uses Math;

wDol:=Floor(x);

wGore:=Ceil(x);

doNajblizszej:=Round(x);

calkowita:=Int(x);
calkowita:=Trunc(x);

ulamkowa:=Frac(x);

calkowita:=n1 div n2;

reszta:=n1 mod n2;

function TForm1.NWD(n1,n2: Integer): Integer;
begin
while (n1>0) and (n2>0) do
 begin
 if n1>n2
  then n1:=n1 mod n2
  else n2:=n2 mod n1;
 end;
Result:=0;
if (n1>0) and (n2=0)
 then Result:=n1;
if (n2>0) and (n1=0)
 then Result:=n2;
end;

NWD(n1,NWD(n2,NWD(n3,n4)));

function TForm1.NWW(n1,n2: Integer): Integer;
var nn: Integer;
begin
nn:=n1*n2;
while (n1>0) and (n2>0) do
 begin
 if n1>n2
  then n1:=n1 mod n2
  else n2:=n2 mod n1;
 end;
Result:=0;
if (n1>0) and (n2=0)
 then Result:=n1;
if (n2>0) and (n1=0)
 then Result:=n2;
if Result>0
 then Result:=nn div Result;
end;

NWW(n1,NWW(n2,NWW(n3,n4)));

if not Odd(n)
 then ShowMessage('Ta liczba jest parzysta');

function TForm1.Potega(x,y: Double): Double;
begin
if x=0
 then Result:=0
 else Result:=Exp(y*Ln(Abs(x)));
end;

function TForm1.Lognx(n,x: Double): Double;
begin
Result:=Ln(x)/Ln(n);
end;

uses Math;

function TForm1.ArcTg(x: Double): Duoble;
begin
Result:=ArcSin((x)/(Sqrt(1+x*x)));
end;

uses Math;

function TForm1.ArcCtg(x: Double): Duoble;
begin
Result:=ArcCos((x)/(Sqrt(1+x*x)));
end;

function TForm1.RadianyNaStopnie(rad: Double): Double;
begin
Result:=(360*rad)/(2*Pi);
end;

function TForm1.StopnieNaRadiany(sto: Double): Double;
begin
Result:=(sto*2*Pi)/360;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
Randomize;
end;

n:=Random(5);

procedure TForm1.FormCreate(Sender: TObject);
begin
Randomize;
end;

x:=Random;

procedure TForm1.FormCreate(Sender: TObject);
begin
Randomize;
end;

x:=RandG(0,1);

function TForm1.OdlegloscGeograficzna(lat1,lat2,lon1,lon2: Double): Double;
var rmax,rmin,r,a,b,lon11,lon22: Double;
begin
rmax:=6378.24;
rmin:=6356.86;
lon11:=lon1;
lon22:=lon2;
if lon1-lon2>180
 then
  begin
  lon11:=180-lon1;
  lon22:=-180-lon2;
  end;
if lon2-lon1>180
 then
  begin
  lon11:=-180-lon1;
  lon22:=180-lon2;
  end;
r:=(rmax-(rmax-rmin)*Sin((lat1+lat2)*Pi/360));
a:=(lon22-lon11)*Cos(lat1*Pi/180);
b:=(lat2-lat1);
Result:=Sqrt(a*a+b*b)*Pi*r/0.18;
end;

uses Math;

function TForm1.WschodSlonca(r,m,d: Integer; szer,dlug: Double): String;
var wHour,wMin: String; j,cent,l,g,o,f,e,a,c,w: Double;
begin
j:=367*r-Int(7*(r+Int((m+9)/12))/4)+Int(275*m/9)+d-730531.5;
cent:=j/36525;
l:=4.8949504201433+628.331969753199*cent;
while l>6.28318530718
 do l:=l-6.28318530718;
g:=6.2400408+628.3019501*cent;
while g>6.28318530718
 do g:=g-6.28318530718;
o:=0.409093-0.0002269*cent;
f:=0.033423*Sin(g)+0.00034907*Sin(2*g);
e:=0.0430398*Sin(2*(l+f))-0.00092502*Sin(4*(l+f))-f;
a:=ArcSin(Sin(o)*Sin(f+l));
c:=(Sin(0.017453293*-0.833)-Sin(0.017453293*szer)*Sin(a))/(Cos(0.017453293*szer)*Cos(a));
w:=(Pi-(e+0.017453293*dlug+1*ArcCos(c)))*57.29577951/15;
wHour:=FloatToStr(Floor(w)+(Round(60*Frac(w)) div 60));
if Length(wHour)=1
 then wHour:='0'+wHour;
wMin:=FloatToStr(Round(60*Frac(w)) mod 60);
if Length(wMin)=1
 then wMin:='0'+wMin;
Result:=wHour+':'+wMin;
end;

uses Math;

function TForm1.ZachodSlonca(r,m,d: Integer; szer,dlug: Double): String;
var zHour,zMin: String; j,cent,l,g,o,f,e,a,c,z: Double;
begin
j:=367*r-Int(7*(r+Int((m+9)/12))/4)+Int(275*m/9)+d-730531.5;
cent:=j/36525;
l:=4.8949504201433+628.331969753199*cent;
while l>6.28318530718
 do l:=l-6.28318530718;
g:=6.2400408+628.3019501*cent;
while g>6.28318530718
 do g:=g-6.28318530718;
o:=0.409093-0.0002269*cent;
f:=0.033423*Sin(g)+0.00034907*Sin(2*g);
e:=0.0430398*Sin(2*(l+f))-0.00092502*Sin(4*(l+f))-f;
a:=ArcSin(Sin(o)*Sin(f+l));
c:=(Sin(0.017453293*-0.833)-Sin(0.017453293*szer)*Sin(a))/(Cos(0.017453293*szer)*Cos(a));
z:=(Pi-(e+0.017453293*dlug+(-1)*ArcCos(c)))*57.29577951/15;
zHour:=FloatToStr(Floor(z)+(Round(60*Frac(z)) div 60));
if Length(zHour)=1
 then zHour:='0'+zHour;
zMin:=FloatToStr(Round(60*Frac(z)) mod 60);
if Length(zMin)=1
 then zMin:='0'+zMin;
Result:=zHour+':'+zMin;
end;

s:=Copy(s,5,3)

uses StrUtils;

s:=LeftStr(s,3);

uses StrUtils;

s:=RightStr(s,3);

Delete(s,2,5);

s:=Trim(s);

s:=TrimLeft(s);

s:=TrimRight(s);

s:=AnsiLowerCase(s);

s:=AnsiUpperCase(s);

s:=StringReplace(s,s1,s2,[rfReplaceAll]);

s:=StringReplace(s,s1,s2,[rfReplaceAll,rfIgnoreCase]);

s:=StringReplace(s,s1,s2,[]);

uses StrUtils;

s:=ReverseString(s);

function TForm1.CzyCyfra(s: String; n: Integer): Boolean;
begin
if s[n] in ['0','1','2','3','4','5','6','7','8','9']
 then Result:=True
 else Result:=False;
end;

n:=Pos(s1,s2);

function TForm1.CharPos(c: Char; s: String): Integer;
var i: Integer;
begin
Result:=0;
for i:=1 to Length(s) do
 if s[i]=c
  then
   begin
   Result:=i;
   break;
   end;
end;

uses StrUtils;

function TForm1.LastPos(s1,s2: String): Integer;
begin
Result:=Pos(ReverseString(s1),ReverseString(s2));
if Result<>0
 then Result:=Length(s2)-Length(s1)-Result+2;
end;

n:=LastDelimiter('abc',s);

function TForm1.CzyPasujeDoMaski(maska,s: String; znakS,znakM: Integer): Boolean;
begin
if Length(maska)>znakM
 then
  begin
  case maska[znakM+1] of
   '*':
    begin
    Result:=CzyPasujeDoMaski(maska,s,znakS,znakM+1)
            or ((Length(s)>znakS) and CzyPasujeDoMaski(maska,s,znakS+1,znakM));
    end;
   '?':
    begin
    if Length(s)>znakS
     then Result:=CzyPasujeDoMaski(maska,s,znakS+1,znakM+1)
     else Result:=False;
    end;
   else
    begin
    if (Length(s)>znakS) and (s[znakS+1]=maska[znakM+1])
     then Result:=CzyPasujeDoMaski(maska,s,znakS+1,znakM+1)
     else Result:=False;
    end;
   end;
  end
 else
  begin
  if Length(s)>znakS
   then Result:=False
   else Result:=True;
  end;
end;

uses Masks;

function TForm1.CzyPasujeDoMaski(maska,s: String): Boolean;
begin
s:='a'+s+'z';
maska:='a'+maska+'z';
maska:=StringReplace(maska,'[','[[]',[rfReplaceAll]);
Result:=MatchesMask(s,maska);
end;

SetLength(s,5);

function TForm1.CzyLiczba(s: String): Boolean;
begin
if StrToFloatDef(s,0)=StrToFloatDef(s,1)
 then Result:=True
 else Result:=False;
end;

function TForm1.CzyLiczbaCalkowita(s: String): Boolean;
begin
if StrToIntDef(s,0)=StrToIntDef(s,1)
 then Result:=True
 else Result:=False;
end;

function TForm1.CzyLiczbaNaturalna(s: String): Boolean;
begin
if StrToIntDef(s,-1)<0
 then Result:=False
 else Result:=True;
end;

function TForm1.CzyLiczbaHex(s: String): Boolean;
var i: Integer;
begin
Result:=True;
if s=''
 then Result:=False
 else
  for i:=1 to Length(s) do
   if not (AnsiLowerCase(s)[i]
      in ['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f'])
    then Result:=False;
end;

s:=FormatFloat('0.000',1234.5678);

s:=FloatToStrF(1234.5678,ffFixed,4,3);

function TForm1.OLC(n,c: Integer): String;
begin
Result:=IntToStr(n);
while Length(Result)<c do
 Result:='0'+Result;
end;

function TForm1.OLZwL(s: String; c: Integer): String;
begin
Result:=s;
while Length(Result)<c do
 Result:=Result+' ';
end;

function TForm1.OLZwP(s: String; c: Integer): String;
begin
Result:=s;
while Length(Result)<c do
 Result:=' '+Result;
end;

hex:=IntToHex(n,1);

n:=StrToInt64('$'+hex);

function TForm1.DecToBin(n: Integer): String;
begin
Result:='';
while n>0 do
 begin
 if Odd(n)
  then Result:='1'+Result
  else Result:='0'+Result;
 n:=n shr 1;
 end;
end;

function TForm1.DecToBinOLC(n,c: Integer): String;
begin
Result:='';
while n>0 do
 begin
 if Odd(n)
  then Result:='1'+Result
  else Result:='0'+Result;
 n:=n shr 1;
 end;
while Length(Result)<c do
 Result:='0'+Result;
end;

function TForm1.BinToDec(b: String): Integer;
var i,p2: Integer;
begin
Result:=0;
p2:=1;
for i:=Length(b) downto 1 do
 begin
 if b[i]='1'
  then Result:=Result+p2;
 p2:=p2*2;
 end;
end;

function TForm1.StringToHexBytes(s: String): String;
var i: Integer;
begin
Result:='';
for i:=1 to Length(s) do
 Result:=Result+IntToHex(Ord(s[i]),2);
end;

function TForm1.HexBytesToString(hexB: String): String;
var n: Integer;
begin
Result:='';
n:=1;
while (Length(Result)=n-1) and (Length(hexB)>=n*2)
      and (Ord(hexB[n*2-1]) in [48..57,65..70,97..102])
      and (Ord(hexB[n*2]) in [48..57,65..70,97..102]) do
 begin
 Result:=Result+Chr(StrToInt64('$'+hexB[n*2-1]+hexB[n*2]));
 n:=n+1;
 end;
if Length(Result)*2<Length(hexB)
 then Result:='';
end;

const znaki64='0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+/';

function TForm1.ZakodujBase64(s: String): String;
var i,a,b,c,n: Integer;
begin
Result:=s+s;
n:=0;
a:=0;
b:=0;
for i:=1 to Length(s) do
 begin
 c:=Ord(s[i]);
 b:=b*256+c;
 a:=a+8;
 while a>=6 do
  begin
  a:=a-6;
  c:=b div (1 shl a);
  b:=b mod (1 shl a);
  n:=n+1;
  Result[n]:=znaki64[c+1];
  end;
 end;
if a>0
 then
  begin
  c:=b shl (6-a);
  n:=n+1;
  Result[n]:=znaki64[c+1];
  end;
SetLength(Result,n);
end;

const znaki64='0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+/';

function TForm1.OdkodujBase64(s: String): String;
var i,a,b,c,n: Integer;
begin
Result:=s;
n:=0;
a:=0;
b:=0;
for i:=1 to Length(s) do
 begin
 c:=Pos(s[i],znaki64)-1;
 if c>=0
  then
   begin
   b:=b*64+c;
   a:=a+6;
   if a>=8
    then
     begin
     a:=a-8;
     c:=b shr a;
     b:=b mod (1 shl a);
     c:=c mod 256;
     n:=n+1;
     Result[n]:=Chr(c);
     end;
   end;
  end;
SetLength(Result,n);
end;

procedure TForm1.Permutacje(s: String; k: Integer);
var i: Integer; cTemp: Char;
begin
if k=1
 then
  begin
  RichEdit1.Lines.Add(s);
  end
 else
  begin
  for i:=1 to k do
   begin
   cTemp:=s[k];
   s[k]:=s[i];
   s[i]:=cTemp;
   Permutacje(s,k-1);
   Tempc:=s[k];
   s[k]:=s[i];
   s[i]:=cTemp;
   end;
  end;
end;

function TForm1.LiczbaKolumn(s,sep: String): Integer;
var i: Integer;
begin
Result:=1;
for i:=1 to Length(s) do
 if s[i]=sep
  then Result:=Result+1;
end;

function TForm1.KolumnaNta(s,sep: String; n: Integer): String;
var n2,p,k: Integer;
begin
Result:='';
if n>0
 then
  begin
  s:=sep+s;
  n2:=0;
  p:=1;
  k:=1;
  while (n2<n) and (p<Length(s)) do
   begin
   p:=k;
   k:=p+1;
   while (k<=Length(s)) and (s[k]<>sep) do
    k:=k+1;
   n2:=n2+1;
   end;
  Result:=Copy(s,p+1,k-p-1);
  end;
end;

function TForm1.LiczbaKolumnSpacje(s: String): Integer;
var i: Integer;
begin
Result:=0;
s:=s+' ';
for i:=1 to Length(s)-1 do
 if (s[i]<>' ') and (s[i+1]=' ')
  then Result:=Result+1;
end;

function TForm1.KolumnaNtaSpacje(s: String; n: Integer): String;
var n2,p,k: Integer;
begin
Result:='';
if n>0
 then
  begin
  s:=' '+s;
  n2:=0;
  p:=1;
  while (n2<n) and (p<Length(s)) do
   begin
   while (p<Length(s)) and (s[p]=' ') do
    p:=p+1;
   if s[p]<>' '
    then n2:=n2+1;
   k:=p;
   while (k<Length(s)) and (s[k+1]<>' ') do
    k:=k+1;
   if n2=n
    then Result:=Copy(s,p,k-p+1)
    else p:=k+1;
   end;
  end;
end;

function TForm1.WartoscLewa(s,sep: String): String;
begin
if Pos(sep,s)>0
 then Result:=Copy(s,1,Pos(sep,s)-1)
 else Result:=s;
end;

function TForm1.WartoscPrawa(s,sep: String): String;
begin
if Pos(sep,s)>0
 then Result:=Copy(s,Pos(sep,s)+Length(sep),Length(s)-Pos(sep,s)-Length(sep)+1)
 else Result:='';
end;

s:=ExtractFilePath('C:\sciezka\nazwa.roz');

s:=ExtractFileName('C:\sciezka\nazwa.roz');

s:=ExtractFileExt('C:\sciezka\nazwa.roz');

function TForm1.BezRozszerzenia(s: String): String;
begin
Result:=ExtractFileName(Copy(s,1,Length(s)-Length(ExtractFileExt(s))));
end;

s:=ChangeFileExt('C:\sciezka\nazwa.roz1','.roz2');

function TForm1.SciezkaDOS83(s: String): String;
var dos83: String; dlugosc: Integer;
begin
SetLength(dos83,MAX_PATH);
dlugosc:=GetShortPathName(PChar(s),PChar(dos83),MAX_PATH-1);
SetLength(dos83,dlugosc);
Result:=dos83;
end;

function TForm1.CzySciezkaPoprawna(s: String): Boolean;
begin
if (Pos(':',s)=2) and (LastDelimiter(':',s)=2)
 then Result:=True
 else Result:=False;
if (Result) and (not (s[1] in ['a'..'z','A'..'Z']))
 then Result:=False;
if (Result) and (Length(s)>2) and (s[3]<>'\')
 then Result:=False;
if (Result) and (Pos('\\',s)>0)
 then Result:=False;
if (Result) and (Pos('.\',s)>0)
 then Result:=False;
if (Result) and (Pos(' \',s)>0)
 then Result:=False;
if (Result) and (s[Length(s)]='.')
 then Result:=False;
if (Result) and (s[Length(s)]=' ')
 then Result:=False;
if (Result) and (LastDelimiter('/*?"<>|',s)>0)
 then Result:=False;
end;

function TForm1.CzyAdresIPv4(ip: String): Boolean;
begin
Result:=True;
if not (StrToIntDef(Copy(ip,1,Pos('.',ip)-1),256) in [0..255])
 then Result:=False;
ip:=Copy(ip,Pos('.',ip)+1,Length(ip)-Pos('.',ip));
if not (StrToIntDef(Copy(ip,1,Pos('.',ip)-1),256) in [0..255])
 then Result:=False;
ip:=Copy(ip,Pos('.',ip)+1,Length(ip)-Pos('.',ip));
if not (StrToIntDef(Copy(ip,1,Pos('.',ip)-1),256) in [0..255])
 then Result:=False;
if not (StrToIntDef(Copy(ip,Pos('.',ip)+1,Length(ip)-Pos('.',ip)),256) in [0..255])
 then Result:=False;
end;

function TForm1.CzyAdresIPv6(ip: String): Boolean;
var n,liczbaDwukropkow,dlugoscBloku: Integer; podwojnyDwukropek: Boolean;
begin
if Length(ip)>39
 then Result:=False
 else Result:=True;
n:=1;
while (Result) and (n<=Length(ip)) do
 begin
 if not (ip[n] in ['0'..'9','a'..'f','A'..'F',':'])
  then Result:=False;
 n:=n+1;
 end;
n:=1;
dlugoscBloku:=0;
liczbaDwukropkow:=0;
podwojnyDwukropek:=False;
while (Result) and (n<=Length(ip)) do
 begin
 if ip[n]=':'
  then
   begin
   liczbaDwukropkow:=liczbaDwukropkow+1;
   if liczbaDwukropkow>7
    then Result:=False;
   if (dlugoscBloku=0) and (podwojnyDwukropek)
    then Result:=False;
   if (dlugoscBloku=0) and (not podwojnyDwukropek) and (n>1)
    then podwojnyDwukropek:=True;
   dlugoscBloku:=0;
   end
  else
   begin
   dlugoscBloku:=dlugoscBloku+1;
   if dlugoscBloku>4
    then Result:=False;
   end;
 n:=n+1;
 end;
if (liczbaDwukropkow<7) and (not podwojnyDwukropek)
 then Result:=False;
end;

function TForm1.CzyAdresFQDN(fqdn: String): Boolean;
var n,dlugoscBloku: Integer;
begin
if (Length(fqdn) in [1..253]) and (Ord(fqdn[1]) in [48..57,65..90,97..122])
 then Result:=True
 else Result:=False;
n:=1;
dlugoscBloku:=1;
while Result and (n<Length(fqdn)) do
 begin
 n:=n+1;
 if (not (Ord(fqdn[n]) in [45,46,48..57,65..90,97..122]))
  then Result:=False;
 if ((fqdn[n]='.') or (fqdn[n]='-')) and ((fqdn[n-1]='.') or (fqdn[n-1]='-'))
  then Result:=False;
 if fqdn[n]='.'
  then dlugoscBloku:=0
  else dlugoscBloku:=dlugoscBloku+1;
 if dlugoscBloku>63
  then Result:=False;
 end;
if (dlugoscBloku=n) or (fqdn[n]='.') or (fqdn[n]='-')
 then Result:=False;
end;

uses DateUtils;

function TForm1.CzyRRRRMMDD(s: String): Boolean;
begin
if (Length(s)=10)
  and (s[5]='-')
  and (s[8]='-')
  and (IsValidDate(StrToIntDef(Copy(s,1,4),-1),StrToIntDef(Copy(s,6,2),-1)
   ,StrToIntDef(Copy(s,9,2),-1)))
 then Result:=True
 else Result:=False;
end;

uses DateUtils;

function TForm1.CzyGGMMSS(s: String): Boolean;
begin
if (Length(s)=8)
  and (s[3]=':')
  and (s[6]=':')
  and (IsValidTime(StrToIntDef(Copy(s,1,2),-1),StrToIntDef(Copy(s,4,2),-1)
   ,StrToIntDef(Copy(s,7,2),-1),0))
 then Result:=True
 then Result:=False;
end;

uses DateUtils;

function TForm1.CzyDataGodzina(s: String): Boolean;
begin
if (Length(s)=19)
  and (s[5]='-')
  and (s[8]='-')
  and (s[11]=' ')
  and (s[14]=':')
  and (s[17]=':')
  and (IsValidDate(StrToIntDef(Copy(s,1,4),-1),StrToIntDef(Copy(s,6,2),-1)
   ,StrToIntDef(Copy(s,9,2),-1)))
  and (IsValidTime(StrToIntDef(Copy(s,12,2),-1),StrToIntDef(Copy(s,15,2),-1)
   ,StrToIntDef(Copy(s,18,2),-1),0))
 then Result:=True
 else Result:=False;
end;

s1:=DateToStr(Now)+' '+TimeToStr(Now);
s2:=DateTimeToStr(Now);

uses DateUtils;

dt:=EncodeDateTime(1999,12,31,23,59,59,0);

uses DateUtils;

n:=YearOf(dt);
n:=MonthOf(dt);
n:=WeekOf(dt);
n:=DayOf(dt);
n:=HourOf(dt);
n:=MinuteOf(dt);
n:=SecondOf(dt);
n:=MilliSecondOf(dt);

uses DateUtils;

n:=DayOfTheYear(dt);
n:=DayOfTheMonth(dt);
n:=DayOfTheWeek(dt);

uses DateUtils;

n:=WeekOfTheYear(Now);

uses DateUtils;

dt:=IncYear(dt,-1);
dt:=IncMonth(dt,1);
dt:=IncDay(dt,2);
dt:=IncHour(dt,3);
dt:=IncMinute(dt,4);
dt:=IncSecond(dt,5);
dt:=IncMilliSecond(dt,6);

uses DateUtils;

dt:=EndOfTheYear(dt);
dt:=EndOfTheMonth(dt);
dt:=EndOfTheWeek(dt);
dt:=EndOfTheDay(dt);

dt:=EndOfAYear(1999);
dt:=EndOfAMonth(1999,12);
dt:=EndOfAWeek(1999,52);
dt:=EndOfADay(1999,12,31)

uses DateUtils;

n:=DaysInMonth(dt);
n:=DaysInYear(dt);

n:=DaysInAYear(1999);
n:=DaysInAMonth(1999,12);

if IsLeapYear(1999)
 then ShowMessage('Ten rok jest przestępny')
 else ShowMessage('Ten rok nie jest przestępny');

uses DateUtils;

n:=CompareDateTime(dt1,dt2);

uses DateUtils;

n:=YearsBetween(dt1,dt2);
n:=MonthsBetween(dt1,dt2);
n:=WeeksBetween(dt1,dt2);
n:=DaysBetween(dt1,dt2);
n:=HoursBetween(dt1,dt2);
n:=MinutesBetween(dt1,dt2);
n:=SecondsBetween(dt1,dt2);
n:=MilliSecondsBetween(dt1,dt2);

x:=YearSpan(dt1,dt2);
x:=MonthSpan(dt1,dt2);
x:=WeekSpan(dt1,dt2);
x:=DaySpan(dt1,dt2);
x:=HourSpan(dt1,dt2);
x:=MinuteSpan(dt1,dt2);
x:=SecondSpan(dt1,dt2);
x:=MiliSecondSpan(dt1,dt2);

function TForm1.CzasUTC: TDateTime;
var sdt: TSystemTime;
begin
GetSystemTime(sdt);
Result:=SystemTimeToDateTime(sdt);
end;

n:=GetTickCount;

function TForm1.SekundyHHMMSS(n: Integer): String;
begin
Result:=IntToStr(n mod 60);
if Length(Result)=1
 then Result:='0'+Result;
Result:=IntToStr((n mod 3600) div 60)+':'+Result;
if Length(Result)=4
 then Result:='0'+Result;
Result:=IntToStr(n div 3600)+':'+Result;
if Length(Result)=7
 then Result:='0'+Result;
end;

function TForm1.MilisekundyHHMMSS(ms: Integer): String;
var h,m,s: Integer;
begin
h:=ms div 3600000;
m:=(ms mod 3600000) div 60000;
s:=((ms mod 3600000) mod 60000) div 1000;
Result:=Format('%s:%s:%s',[FormatFloat('00',h),FormatFloat('00',m),FormatFloat('00',s)]);
end;

s:=FormatDateTime('yyyy-mm-dd hh:mm:ss zzz',Now);

uses DateUtils;

function TForm1.CzyCzasLetni(dt: TDateTime): Boolean;
var i: Integer; start,stop: TDateTime; tzi: TTimeZoneInformation;
begin
GetTimeZoneInformation(tzi);
start:=EncodeDateTime(YearOf(dt),tzi.DaylightDate.wMonth,1
 ,tzi.DaylightDate.wHour,tzi.DaylightDate.wMinute,tzi.DaylightDate.wSecond,0);
if tzi.DaylightDate.wDay=5
 then
  begin
  start:=DateOf(EndOfTheMonth(start))+TimeOf(start);
  while Pred(DayOfWeek(start))<>tzi.DaylightDate.wDayOfWeek do
   start:=IncDay(start,-1)
  end
 else
  begin
  while Pred(DayOfWeek(start))<>tzi.DaylightDate.wDayOfWeek do
   start:=IncDay(start);
  for i:=1 to Pred(tzi.DaylightDate.wDay) do
   start:=IncWeek(start)
  end;
stop:=EncodeDateTime(YearOf(dt),tzi.StandardDate.wMonth,1
 ,tzi.StandardDate.wHour,tzi.StandardDate.wMinute,tzi.StandardDate.wSecond,0);
if tzi.StandardDate.wDay=5
 then
  begin
  stop:=DateOf(EndOfTheMonth(stop))+TimeOf(stop);
  while Pred(DayOfWeek(stop))<>tzi.StandardDate.wDayOfWeek do
   stop:=IncDay(stop,-1)
  end
 else
  begin
  while Pred(DayOfWeek(stop))<>tzi.StandardDate.wDayOfWeek do
   stop:=IncDay(stop);
  for i:=1 to Pred(tzi.StandardDate.wDay) do
   stop:=IncWeek(stop)
  end;
Result:=(dt>=start) and (dt<stop);
end;

Sleep(1000);

procedure TForm1.DelayMS(ms: Cardinal);
var t0: Cardinal;
begin
t0:=GetTickCount;
while (GetTickCount<t0+ms) do
 begin
 Application.ProcessMessages;
 Sleep(1);
 end;
end;

RichEdit1.WordWrap:=False;

procedure TForm1.UstawSzerokoscTabulacjiRichEdit(re: TObject; liczbaZnakow: Integer);
var pf: TParaFormat; i,szerokoscZnaku: Integer;
begin
FillChar(pf,SizeOf(pf),0);
pf.cbSize:=SizeOf(pf);
pf.dwMask:=PFM_TABSTOPS;
pf.cTabCount:=32;
Canvas.Font.Assign((re as TRichEdit).SelAttributes);
szerokoscZnaku:=(Canvas.TextWidth('12345678')*1440) div (Screen.PixelsPerInch*Length('12345678'));
for i:=1 to pf.cTabCount do
 pf.rgxTabs[i]:=i*szerokoscZnaku*liczbaZnakow;
(re as TRichEdit).Perform(EM_SETPARAFORMAT,0,Integer(@pf));
end;

RichEdit1.MaxLength:=1073741824;

uses RichEdit;

procedure TForm1.FormCreate(Sender: TObject);
begin
SendMessage(RichEdit1.Handle,EM_SETLANGOPTIONS,0,0);
end;

RichEdit1.Text:=AnsiToUtf8(RichEdit1.Text);

function TForm1.ZmianaKodowania(s: String; codePage1,codePage2: Integer): String;
var ws: PWideChar; ms: PChar; eCode,wSize,bSize: Integer; b: Bool; c: Char;
begin
ws:='';
ms:='';
wSize:=0;
bSize:=0;
b:=False;
c:='#';
Result:='';
try
  wSize:=MultiByteToWideChar(codePage1,1 or 0,PChar(s),-1,ws,0);
  GetMem(ws,wSize*SizeOf(WideChar));
  eCode:=MultiByteToWideChar(codePage1,1 or 0,PChar(s),-1,ws,wSize);
  if eCode<>0
   then
    try
      bSize:=WideCharToMultibyte(codePage2,0,ws,-1,ms,0,@c,@b);
      GetMem(ms,bSize*SizeOf(Char));
      eCode:=WideCharToMultibyte(codePage2,0,ws,-1,ms,bSize,@c,@b);
      if b
       then eCode:=-1;
      if eCode<>0
       then Result:=ms;
     finally
      FreeMem(ms,bSize*SizeOf(Char));
     end;
 finally
  FreeMem(ws,wSize*SizeOf(WideChar));
 end;
end;

RichEdit1.Text:=ZmianaKodowania(RichEdit1.Text,1250,28591);

RichEdit1.PlainText:=True;

wiersz:=RichEdit1.CaretPos.Y;

pozycja:=RichEdit1.CaretPos.X;

RichEdit1.CaretPos:=Point(X,Y);

n:=RichEdit1.Perform(EM_GETFIRSTVISIBLELINE,0,0);

function TForm1.NumerOstatniegoWidocznegoWiersza: Integer;
var i: Integer; r: TRect;
begin
RichEdit1.Perform(EM_GETRECT,0,Longint(@r));
r.Left:=r.Left+1;
r.Top:=r.Bottom-2;
i:=RichEdit1.Perform(EM_CHARFROMPOS,0,Integer(@r.TopLeft));
Result:=RichEdit1.Perform(WM_USER+54,0,i)-1;
end;

SendMessage(RichEdit1.Handle,WM_VSCROLL,SB_TOP,0);

SendMessage(RichEdit1.Handle,WM_VSCROLL,SB_BOTTOM,0);

SendMessage(RichEdit1.Handle,WM_VSCROLL,SB_PAGEUP,0);

SendMessage(RichEdit1.Handle,WM_VSCROLL,SB_PAGEDOWN,0);

SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,-5);

SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,5);

SendMessage(RichEdit1.Handle,WM_VSCROLL,SB_TOP,0);
SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,n);

SendMessage(RichEdit1.Handle,EM_SCROLLCARET,0,0);

SendMessage(RichEdit1.Handle,WM_USER-841,0,0);

var p: TPoint;

RichEdit1.Perform(WM_USER+221,0,LParam(@p));
pozycjaSuwakaPoziomego:=p.X;
pozycjaSuwakaPionowego:=p.Y;

p.X:=pozycjaSuwakaPoziomego;
p.Y:=pozycjaSuwakaPionowego;
RichEdit1.Perform(WM_USER+222,0,LParam(@p));

function TForm1.WysokoscWiersza: Integer;
var tm : TTextMetric; reDC: HDC;
begin
reDC:=GetDC(RichEdit1.Handle);
SelectObject(reDC,RichEdit1.Font.Handle);
GetTextMetrics(reDC,tm);
ReleaseDC(RichEdit1.Handle,reDC);
Result:=tm.tmHeight;
end;

function TForm1.LiczbaPelnychWierszy: Integer;
begin
n:=RichEdit1.ClientHeight div WysokoscWiersza;
end;

RichEdit1.SelStart:=10;
RichEdit1.SelLength:=5;
RichEdit1.SelAttributes.Name:='Verdana';
RichEdit1.SelAttributes.Size:=10;
RichEdit1.SelAttributes.Color:=clRed;
RichEdit1.SelAttributes.Style:=[fsBold,fsItalic];

var poprzedniSelStart,poprzedniSelLength: Integer; focusObject: TWinControl;

poprzedniSelStart:=RichEdit1.SelStart;
poprzedniSelLength:=RichEdit1.SelLength;
focusObject:=Screen.ActiveControl;
RichEdit1.Perform(WM_SETREDRAW,WParam(False),0);
RichEdit1.Enabled:=False;
ProceduraFormatujacaTekst;
RichEdit1.Enabled:=True;
RichEdit1.Perform(WM_SETREDRAW,WParam(True),0);
RichEdit1.Repaint;
focusObject.SetFocus;
RichEdit1.SelStart:=poprzedniSelStart;
RichEdit1.SelLength:=poprzedniSelLength;

uses RichEdit;

var stylTekstu: TCharFormat2;

FillChar(stylTekstu,SizeOf(stylTekstu),0);
stylTekstu.cbSize:=SizeOf(stylTekstu);
stylTekstu.dwMask:=CFM_BACKCOLOR;
stylTekstu.crBackColor:=ColorToRGB(clRed);
RichEdit1.SelStart:=10;
RichEdit1.SelLength:=5;
RichEdit1.Perform(EM_SETCHARFORMAT,SCF_SELECTION,LParam(@stylTekstu));

uses RichEdit;

var stylTekstu: TCharFormat2;

FillChar(stylTekstu,SizeOf(stylTekstu),0);
stylTekstu.cbSize:=SizeOf(TCharFormat);
RichEdit1.Perform(EM_GETCHARFORMAT,SCF_SELECTION,LParam(@stylTekstu));
if Integer(stylTekstu.crTextColor)=ColorToRGB($FF0000)
 then ShowMessage('Aktualnie wprowadzany tekst ma kolor czerwony')
 else ShowMessage('Aktualnie wprowadzany tekst ma kolor $'+IntToHex(stylTekstu.crTextColor,6));

RichEdit1.CopyToClipboard;

RichEdit1.PasteFromClipboard;

uses Clipbrd, Menus;

procedure TForm1.RichEdit1Enter(Sender: TObject);
begin
Action1.ShortCut:=TextToShortCut('Ctrl+C');
Action1.Enabled:=True;
end;

procedure TForm1.RichEdit1Exit(Sender: TObject);
begin
Action1.Enabled:=False;
Action1.ShortCut:=TextToShortCut('');
end;

procedure TForm1.Action1Execute(Sender: TObject);
begin
Clipboard.AsText:=RichEdit1.SelText;
end;

uses Clipbrd, Menus;

procedure TForm1.RichEdit1Enter(Sender: TObject);
begin
Action1.ShortCut:=TextToShortCut('Ctrl+V');
Action1.Enabled:=True;
end;

procedure TForm1.RichEdit1Exit(Sender: TObject);
begin
Action1.Enabled:=False;
Action1.ShortCut:=TextToShortCut('');
end;

procedure TForm1.Action1Execute(Sender: TObject);
begin
if Clipboard.HasFormat(CF_TEXT)
 then RichEdit1.SelText:=Clipboard.AsText;
end;

uses Clipbrd, Menus;

procedure TForm1.RichEdit1Enter(Sender: TObject);
begin
Action1.ShortCut:=TextToShortCut('Ctrl+X');
Action1.Enabled:=True;
end;

procedure TForm1.RichEdit1Exit(Sender: TObject);
begin
Action1.Enabled:=False;
Action1.ShortCut:=TextToShortCut('');
end;

procedure TForm1.Action1Execute(Sender: TObject);
begin
Clipboard.AsText:=RichEdit1.SelText;
RichEdit1.SelText:='';
end;

procedure TForm1.FindDialog1Find(Sender: TObject);
var pierwszyZnakWyniku,tempSelStart,tempSelLength: Integer;
    szukanyTekst,przeszukiwanyTekst,komunikat: String;
begin
szukanyTekst:=FindDialog1.FindText;
przeszukiwanyTekst:=RichEdit1.Text;
if FindDialog1.Options*[frMatchCase]=[]
 then
  begin
  szukanyTekst:=AnsiLowerCase(szukanyTekst);
  przeszukiwanyTekst:=AnsiLowerCase(przeszukiwanyTekst);
  end;
if FindDialog1.Options*[frDown]=[frDown]
 then
  begin
  tempSelStart:=RichEdit1.SelStart;
  if Copy(przeszukiwanyTekst,RichEdit1.SelStart+1,RichEdit1.SelLength)=szukanyTekst
   then tempSelStart:=tempSelStart+1;
  pierwszyZnakWyniku:=Pos(szukanyTekst,Copy(przeszukiwanyTekst,tempSelStart+1
   ,Length(przeszukiwanyTekst)-tempSelStart));
  if pierwszyZnakWyniku<>0
   then pierwszyZnakWyniku:=pierwszyZnakWyniku+tempSelStart;
  end
 else
  begin
  tempSelLength:=RichEdit1.SelLength;
  if Copy(przeszukiwanyTekst,RichEdit1.SelStart+1,RichEdit1.SelLength)=szukanyTekst
   then tempSelLength:=tempSelLength-1;
  pierwszyZnakWyniku:=0;
  while Pos(szukanyTekst,Copy(przeszukiwanyTekst,pierwszyZnakWyniku+1
   ,RichEdit1.SelStart+tempSelLength-pierwszyZnakWyniku))>0
   do pierwszyZnakWyniku:=Pos(szukanyTekst,Copy(przeszukiwanyTekst
    ,pierwszyZnakWyniku+1,RichEdit1.SelStart+tempSelLength-pierwszyZnakWyniku))
    +pierwszyZnakWyniku;
  end;
if pierwszyZnakWyniku=0
 then
  begin;
  if FindDialog1.Options*[frDown]=[frDown]
   then komunikat:='W dół'
   else komunikat:='W górę';
  komunikat:=komunikat+' od kursora karetki nie znaleziono wyrażenia "'+szukanyTekst+'"';
  ShowMessage(komunikat);
  RichEdit1.SetFocus;
  end
 else
  begin
  RichEdit1.SelStart:=pierwszyZnakWyniku-1;
  RichEdit1.SelLength:=Length(szukanyTekst);
  SendMessage(RichEdit1.Handle,EM_SCROLLCARET,0,0);
  end;
end;

var poprzedniaPozycjaSuwaka: Integer;

poprzedniaPozycjaSuwaka:=RichEdit1.Perform(EM_GETFIRSTVISIBLELINE,0,0);
JakasProceduraZaznaczajacaTekst;
SendMessage(RichEdit1.Handle,WM_VSCROLL,SB_TOP,0);
SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,poprzedniaPozycjaSuwaka);

procedure TForm1.ReplaceDialog1Find(Sender: TObject);
var pierwszyZnakWyniku,tempSelStart: Integer;
    szukanyTekst,przeszukiwanyTekst,komunikat: String;
begin
szukanyTekst:=ReplaceDialog1.FindText;
przeszukiwanyTekst:=RichEdit1.Text;
if ReplaceDialog1.Options*[frMatchCase]=[]
 then
  begin
  szukanyTekst:=AnsiLowerCase(szukanyTekst);
  przeszukiwanyTekst:=AnsiLowerCase(przeszukiwanyTekst);
  end;
tempSelStart:=RichEdit1.SelStart;
if Copy(przeszukiwanyTekst,RichEdit1.SelStart+1,RichEdit1.SelLength)=szukanyTekst
 then tempSelStart:=tempSelStart+1;
pierwszyZnakWyniku:=Pos(szukanyTekst,Copy(przeszukiwanyTekst,tempSelStart+1
 ,Length(przeszukiwanyTekst)-tempSelStart));
if pierwszyZnakWyniku<>0
 then pierwszyZnakWyniku:=pierwszyZnakWyniku+tempSelStart;
if pierwszyZnakWyniku=0
 then
  begin;
  komunikat:='W dół od kursora karetki nie znaleziono wyrażenia "'+szukanyTekst+'"';
  ShowMessage(komunikat);
  RichEdit1.SetFocus;
  end
 else
  begin
  RichEdit1.SelStart:=pierwszyZnakWyniku-1;
  RichEdit1.SelLength:=Length(szukanyTekst);
  SendMessage(RichEdit1.Handle,EM_SCROLLCARET,0,0);
  end;
end;

procedure TForm1.ReplaceDialog1Replace(Sender: TObject);
var pierwszyZnakWyniku,oldSelStart: Integer;
    szukanyTekst,przeszukiwanyTekst,komunikat: String;
begin
szukanyTekst:=ReplaceDialog1.FindText;
przeszukiwanyTekst:=RichEdit1.Text;
if ReplaceDialog1.Options*[frMatchCase]=[]
 then
  begin
  szukanyTekst:=AnsiLowerCase(szukanyTekst);
  przeszukiwanyTekst:=AnsiLowerCase(przeszukiwanyTekst);
  end;
if ReplaceDialog1.Options*[frReplaceAll]=[frReplaceAll]
 then
  begin
  oldSelStart:=RichEdit1.SelStart;
  if ReplaceDialog1.Options*[frMatchCase]=[]
   then RichEdit1.Text:=StringReplace(RichEdit1.Text,ReplaceDialog1.FindText
    ,ReplaceDialog1.ReplaceText,[rfReplaceAll,rfIgnoreCase])
   else RichEdit1.Text:=StringReplace(RichEdit1.Text,ReplaceDialog1.FindText
    ,ReplaceDialog1.ReplaceText,[rfReplaceAll]);
  if oldSelStart<=Length(RichEdit1.Text)
   then RichEdit1.SelStart:=oldSelStart
   else RichEdit1.SelStart:=Length(RichEdit1.Text);
  RichEdit1.SelLength:=0;
  RichEdit1.SetFocus;
  end
 else
  begin
  if Copy(przeszukiwanyTekst,RichEdit1.SelStart+1,RichEdit1.SelLength)=szukanyTekst
   then
    begin
    oldSelStart:=RichEdit1.SelStart;
    RichEdit1.Text:=Copy(RichEdit1.Text,1,RichEdit1.SelStart)
     +ReplaceDialog1.ReplaceText+Copy(RichEdit1.Text,RichEdit1.SelStart
     +RichEdit1.SelLength+1,Length(RichEdit1.Text)-RichEdit1.SelStart-RichEdit1.SelLength);
    RichEdit1.SelStart:=oldSelStart+Length(ReplaceDialog1.ReplaceText);
    RichEdit1.SelLength:=0;
    end;
  przeszukiwanyTekst:=RichEdit1.Text;
  if ReplaceDialog1.Options*[frMatchCase]=[]
   then przeszukiwanyTekst:=AnsiLowerCase(przeszukiwanyTekst);
  pierwszyZnakWyniku:=Pos(szukanyTekst,Copy(przeszukiwanyTekst,RichEdit1.SelStart
   +1,Length(przeszukiwanyTekst)-RichEdit1.SelStart));
  if pierwszyZnakWyniku<>0
   then pierwszyZnakWyniku:=pierwszyZnakWyniku+RichEdit1.SelStart;
  if pierwszyZnakWyniku=0
   then
    begin;
    komunikat:='W dół od kursora karetki nie znaleziono wyrażenia "'+szukanyTekst+'"';
    ShowMessage(komunikat);
    RichEdit1.SetFocus;
    end
   else
    begin
    RichEdit1.SelStart:=pierwszyZnakWyniku-1;
    RichEdit1.SelLength:=Length(szukanyTekst);
    SendMessage(RichEdit1.Handle,EM_SCROLLCARET,0,0);
    end;
  end;
end;

procedure TForm1.Action1Execute(Sender: TObject);
var pierwszyZnakWyniku,tempSelStart,tempSelLength: Integer; szukanyTekst,przeszukiwanyTekst: String;
begin
if Edit1.Text=''
 then
  begin
  Edit1.SetFocus;
  end
 else
  begin
  szukanyTekst:=AnsiLowerCase(Edit1.Text);
  przeszukiwanyTekst:=AnsiLowerCase(RichEdit1.Text);
  if not CheckBox1.Checked
   then
    begin
    tempSelStart:=RichEdit1.SelStart;
    if Copy(przeszukiwanyTekst,RichEdit1.SelStart+1,RichEdit1.SelLength)=szukanyTekst
     then tempSelStart:=tempSelStart+1;
    pierwszyZnakWyniku:=Pos(szukanyTekst,Copy(przeszukiwanyTekst,tempSelStart+1
     ,Length(przeszukiwanyTekst)-tempSelStart));
    if pierwszyZnakWyniku<>0
     then pierwszyZnakWyniku:=pierwszyZnakWyniku+tempSelStart;
    end
   else
    begin
    tempSelLength:=RichEdit1.SelLength;
    if Copy(przeszukiwanyTekst,RichEdit1.SelStart+1,RichEdit1.SelLength)=szukanyTekst
     then tempSelLength:=tempSelLength-1;
    pierwszyZnakWyniku:=0;
    while Pos(szukanyTekst,Copy(przeszukiwanyTekst,pierwszyZnakWyniku+1
     ,RichEdit1.SelStart+tempSelLength-pierwszyZnakWyniku))>0
     do pierwszyZnakWyniku:=Pos(szukanyTekst,Copy(przeszukiwanyTekst,pierwszyZnakWyniku+1
      ,RichEdit1.SelStart+tempSelLength-pierwszyZnakWyniku))+pierwszyZnakWyniku;
    end;
  if pierwszyZnakWyniku=0
   then
    begin;
    ShowMessage('Nie znaleziono tekstu "'+Edit1.Text+'"');
    end
   else
    begin
    RichEdit1.SelStart:=pierwszyZnakWyniku-1;
    RichEdit1.SelLength:=Length(szukanyTekst);
    SendMessage(RichEdit1.Handle,EM_SCROLLCARET,0,0);
    end;
  end;
end;

private
 procedure ObsluzTabulacje(var tcmDK: TCMDialogKey); message CM_DIALOGKEY;

procedure TForm1.ObsluzTabulacje(var tcmDK: TCMDialogKey);
begin
if (tcmDK.CharCode=VK_TAB) and (ActiveControl.Name='RichEdit1')
 then
  begin
  RichEdit1.SelText:=Chr(9);
  tcmDK.Result:=1;
  end
 else
  begin
  inherited;
  end;
end;

uses Math;

var
  x0,dx,formWidth0: Integer;
  re1Width0,re2Width0,re1WidthMin,re2WidthMin,re2Left0: Integer;
  przesuwanieBelki: Boolean;

procedure TForm1.FormCreate(Sender: TObject);
begin
re1WidthMin:=50;
re2WidthMin:=120;
formWidth0:=Form1.Width;
re1Width0:=RichEdit1.Width;
re2Width0:=RichEdit2.Width;
re2Left0:=RichEdit2.Left;
Form1.Constraints.MinWidth:=Max(Form1.Constraints.MinWidth,Form1.Width
 -RichEdit1.Width-RichEdit2.Width+re1WidthMin+re2WidthMin);
x0:=0;
dx:=0;
przesuwanieBelki:=False;
end;

procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
if (X>RichEdit1.Left+RichEdit1.Width)
   and (X<RichEdit2.Left)
   and (Y>Max(RichEdit1.Top,RichEdit2.Top))
   and (Y<Min(RichEdit1.Top+RichEdit1.Height,RichEdit2.Top+RichEdit2.Height))
 then
  begin
  x0:=X-dx;
  przesuwanieBelki:=True;
  end;
end;

procedure TForm1.FormMouseMove(Sender: TObject; Shift: TShiftState; X,Y: Integer);
begin
if (X>RichEdit1.Left+RichEdit1.Width)
   and (X<RichEdit2.Left)
   and (Y>Max(RichEdit1.Top,RichEdit2.Top))
   and (Y<Min(RichEdit1.Top+RichEdit1.Height,RichEdit2.Top+RichEdit2.Height))
 then Cursor:=crSizeWE
 else Cursor:=crDefault;
if (przesuwanieBelki)
   and (Floor((Form1.Width-formWidth0)/2)+re1Width0+(X-x0)+1>re1WidthMin)
   and (Ceil((Form1.Width-formWidth0)/2)+re2Width0-(X-x0)+1>re2WidthMin)
 then
  begin
  dx:=X-x0;
  Perform(WM_SETREDRAW,WParam(False),0);
  FormResize(Sender);
  Perform(WM_SETREDRAW,WParam(True),0);
  RedrawWindow(Form1.Handle,nil,0,RDW_FRAME or RDW_INVALIDATE or RDW_ALLCHILDREN);
  Repaint;
  end;
end;

procedure TForm1.FormMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
przesuwanieBelki:=False;
end;

procedure TForm1.FormResize(Sender: TObject);
begin
if Floor((Form1.Width-formWidth0)/2)+re1Width0+dx<re1WidthMin
 then dx:=re1WidthMin-(Floor((Form1.Width-formWidth0)/2)+re1Width0);
if Ceil((Form1.Width-formWidth0)/2)+re2Width0-dx<re2WidthMin
 then dx:=Ceil((Form1.Width-formWidth0)/2)+re2Width0-re2WidthMin;
RichEdit1.Width:=Floor((Form1.Width-formWidth0)/2)+re1Width0+dx;
RichEdit2.Left:=Floor((Form1.Width-formWidth0)/2)+re2Left0+dx;
RichEdit2.Width:=Ceil((Form1.Width-formWidth0)/2)+re2Width0-dx;
end;

private
 procedure RichEdWndProc1(var msg: TMessage);
 procedure RichEdWndProc2(var msg: TMessage);

var
 PRichEdWndProc1,POldWndProc1,PRichEdWndProc2,POldWndProc2: Pointer;

implementation

procedure TForm1.FormCreate(Sender: TObject);
begin
PRichEdWndProc1:=Classes.MakeObjectInstance(RichEdWndProc1);
POldWndProc1:=Pointer(SetWindowLong(RichEdit1.Handle,GWL_WNDPROC,Integer(PRichEdWndProc1)));
PRichEdWndProc2:=Classes.MakeObjectInstance(RichEdWndProc2);
POldWndProc2:=Pointer(SetWindowLong(RichEdit2.Handle,GWL_WNDPROC,Integer(PRichEdWndProc2)));
end;

procedure TForm1.RichEdWndProc1(var msg: TMessage);
var pierwszyWiersz: Double;
begin
if msg.Msg=WM_VSCROLL
 then
  begin
  if ((RichEdit1.Lines.Count<4096) and (RichEdit2.Lines.Count<4096))
     or (RichEdit1.Lines.Count=RichEdit2.Lines.Count)
   then
    begin
    RichEdit2.Perform(msg.Msg,msg.WParam,msg.LParam);
    end
   else
    begin
    if RichEdit1.Lines.Count<4096
     then pierwszyWiersz:=HIWORD(msg.WParam)/16
     else pierwszyWiersz:=HIWORD(msg.WParam)*(RichEdit1.Lines.Count/65536)
    if RichEdit2.Lines.Count<4096
     then RichEdit2.Perform(msg.Msg,Min(Round(pierwszyWiersz*16)
      ,65535)*65536+LOWORD(msg.WParam),msg.LParam)
     else RichEdit2.Perform(msg.Msg,Min(Round(pierwszyWiersz*(65536/RichEdit2.Lines.Count))
      ,65535)*65536+LOWORD(msg.WParam),msg.LParam);
    end;
  end;
if msg.Msg=WM_MOUSEWHEEL
 then
  begin
  if msg.WParam<0
   then
    begin
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,1);
    end
   else
    begin
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,-1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,-1);
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,-1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,-1);
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,-1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,-1);
    end;
  end;
if msg.Msg<>WM_MOUSEWHEEL
 then msg.Result:=CallWindowProc(POldWndProc1,RichEdit1.Handle,msg.Msg,msg.WParam,msg.LParam);
end;

procedure TForm1.RichEdWndProc2(var msg: TMessage);
var pierwszyWiersz: Double;
begin
if msg.Msg=WM_VSCROLL
 then
  begin
  if ((RichEdit1.Lines.Count<4096) and (RichEdit2.Lines.Count<4096))
     or (RichEdit1.Lines.Count=RichEdit2.Lines.Count)
   then
    begin
    RichEdit1.Perform(msg.Msg,msg.WParam,msg.LParam);
    end
   else
    begin
    if RichEdit2.Lines.Count<4096
     then pierwszyWiersz:=HIWORD(msg.WParam)/16
     else pierwszyWiersz:=HIWORD(msg.WParam)*(RichEdit2.Lines.Count/65536)
    if RichEdit1.Lines.Count<4096
     then RichEdit1.Perform(msg.Msg,Min(Round(pierwszyWiersz*16)
      ,65535)*65536+LOWORD(msg.WParam),msg.LParam)
     else RichEdit1.Perform(msg.Msg,Min(Round(pierwszyWiersz*(65536/RichEdit2.Lines.Count))
      ,65535)*65536+LOWORD(msg.WParam),msg.LParam);
    end;
  end;
if msg.Msg=WM_MOUSEWHEEL
 then
  begin
  if msg.WParam<0
   then
    begin
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,1);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,1);
    end
   else
    begin
    SendMessage(RichEdit1.Handle,EM_LINESCROLL,0,-3);
    SendMessage(RichEdit2.Handle,EM_LINESCROLL,0,-3);
    end;
  end;
if msg.Msg<>WM_MOUSEWHEEL
 then msg.Result:=CallWindowProc(POldWndProc2,RichEdit2.Handle,msg.Msg,msg.WParam,msg.LParam);
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
if Assigned(PRichEdWndProc1)
 then
  begin
  SetWindowLong(RichEdit1.Handle,GWL_WNDPROC,Integer(POldWndProc1));
  Classes.FreeObjectInstance(PRichEdWndProc1);
  end;
if Assigned(PRichEdWndProc2)
 then
  begin
  SetWindowLong(RichEdit2.Handle,GWL_WNDPROC,Integer(POldWndProc2));
  Classes.FreeObjectInstance(PRichEdWndProc2);
  end;
end;

var
  sl: TStringList;

procedure TForm1.FormCreate(Sender: TObject);
begin
sl:=TStringList.Create;
end;

procedure TForm1.WczytajZmodyfikujZapisz;
begin
sl.LoadFromFile('C:\sciezka\nazwa.roz');
sl.Add('Nowy wiersz dodany na końcu');
sl.Insert(0,'Wiersz wstawiony na początku');
sl.Delete(0);
sl[0]:='Zmodyfikowany wiersz pierwszy';
sl[sl.Count-1]:='Zmodyfikowany wiersz ostatni';
sl.CaseSensitive:=True;
sl.Sort;
sl.SaveToFile('C:\sciezka\nazwa.roz');
RichEdit1.Text:=sl.Text;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
sl.Free;
end;

Application.ShowMainForm:=False;

Form1.Visible:=False;

procedure TForm1.FormCreate(Sender: TObject);
begin
SetWindowLong(Form1.Handle,GWL_STYLE,GetWindowLong(Form1.Handle,GWL_STYLE)
and not WS_CAPTION);
Height:=ClientHeight;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
Form1.BorderStyle:=bsNone;
Form1.Brush.Style:=bsClear;
Form1.Refresh;
end;

Form1.FormStyle:=fsStayOnTop;

Application.Title:='Tytuł';

procedure TForm1.Timer1Timer(Sender: TObject);
begin
FlashWindow(Application.Handle,True);
end;

procedure TForm1.FormCreate(Sender: TObject);
var es: Integer;
begin
es:=GetWindowLong(Application.Handle,GWL_EXSTYLE);
es:=es or (WS_EX_TOOLWINDOW and (not WS_EX_APPWINDOW));
SetWindowLong(Application.Handle,GWL_EXSTYLE,es);
end;

Form1.BorderStyle:=bsSingle;

private
 procedure WMGetMinMaxInfo(var msg: TWMGetMinMaxInfo); message WM_GETMINMAXINFO;

procedure TForm1.WMGetMinMaxInfo(var msg: TWMGetMinMaxInfo);
begin
msg.MinMaxInfo^.ptMaxTrackSize.x:=8000;
msg.MinMaxInfo^.ptMaxTrackSize.y:=6000;
msg.Result:=0;
end;

private
 procedure WMSysCommand(var msg: TWMSysCommand); message WM_SYSCOMMAND;

procedure TForm1.WMSysCommand(var msg: TWMSysCommand);
var stan: TWindowState;
begin
stan:=Form1.WindowState;
inherited;
if (stan<>wsMaximized) and (Form1.WindowState=wsMaximized)
 then ShowMessage('Okno aplikacji zostało zmaksymalizowane');
end;

Form1.BorderIcons:=[biSystemMenu,biMinimize,biMaximize];

Application.ProcessMessages;

if GetKeyState(VK_SCROLL)=1
 then ShowMessage('Klawisz ScrollLock jest wciśnięty');

keybd_event(Ord(Chr(32)),0,0),0,0);
keybd_event(Ord(Chr(32)),0,0),KEYEVENTF_KEYUP,0);

procedure TForm1.RichEdit1KeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
begin
ShowMessage(IntToStr(Key));
end;

uses Clipbrd;

procedure TForm1.Wpisz(s: String);
begin
Clipboard.AsText:=s;
keybd_event(VK_CONTROL,0,0,0);
keybd_event(Ord('V'),0,0,0);
keybd_event(Ord('V'),0,0),KEYEVENTF_KEYUP,0);
keybd_event(VK_CONTROL,0,KEYEVENTF_KEYUP,0);
end;

private
 procedure WMHotKey(var msg: TMessage); message WM_HOTKEY;

procedure TForm1.FormCreate(Sender: TObject);
begin
RegisterHotKey(Handle,$0001,0,VK_SPACE);
RegisterHotKey(Handle,$0002,MOD_ALT,VK_A);
RegisterHotKey(Handle,$0003,MOD_SHIFT,VK_2);
RegisterHotKey(Handle,$0004,0,VK_F12);
end;

procedure TForm1.WMHotKey(var msg: TMessage);
begin
if msg.WParam=$0001
 then ShowMessage('Wciśnięto spację');
if msg.WParam=$0002
 then ShowMessage('Wciśnięto znak ą');
if msg.WParam=$0003
 then ShowMessage('Wciśnięto znak @');
if msg.WParam=$0004
 then ShowMessage('Wciśnięto F12');
end;

procedure TForm1.RichEdit1KeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
begin
ShowMessage(IntToStr(Key));
end;

private
 procedure WMHotKey(var msg: TMessage); message WM_HOTKEY;

procedure TForm1.FormCreate(Sender: TObject);
begin
RegisterHotKey(Handle,$0001,0,VK_SNAPSHOT);
end;

procedure TForm1.WMHotKey(var msg: TMessage);
begin
if msg.WParam=$0001 then
 begin
 //tu można wpisać polecenia wykonywane po wciśnięciu klawisza PrintScreen
 end;
end;

uses ShellApi;

ShellExecute(Handle,PChar('open'),PChar('rundll32'),PChar('mouse,disable'),nil,SW_SHOWNORMAL);

procedure TForm1.Przesun(dx,dy: Integer);
var p: TPoint;
begin
GetCursorPos(p);
SetCursorPos(p.X+dx,p.Y+dy);
end;

procedure TForm1.Klik(x,y: Integer);
begin
SetCursorPos(x,y);
mouse_event(MOUSEEVENTF_LEFTDOWN,x,y,0,0);
mouse_event(MOUSEEVENTF_LEFTUP,x,y,0,0);
end;

procedure TForm1.OgraniczPoleKursoraMyszy(x1,x2,y1,y2: Integer);
var r: TRect;
begin
r.Left:=x1;
r.Right:=x2;
r.Top:=y1;
r.Bottom:=y2;
ClipCursor(@r);
end;

SwapMouseButton(True);

ShowCursor(False);

procedure TForm1.ObszarRoboczy;
var r: TRect;
begin
SystemParametersInfo(SPI_GETWORKAREA,0,@r,0);
ShowMessage('Od ('+IntToStr(r.Left)+','+IntToStr(r.Top)+') do ('
 +IntToStr(r.Right)+','+IntToStr(r.Bottom)+')');
end;

szerokosc:=GetSystemMetrics(SM_CXSCREEN);

wysokosc:=GetSystemMetrics(SM_CYSCREEN);

procedure TForm1.ZmienRozdzielczoscEkranu(w,h: Integer);
var dm: TDeviceMode;
begin
with dm do
 begin
 dmSize:=SizeOf(dm);
 dmBitsPerPel:=16;
 dmPelsWidth:=w;
 dmPelsHeight:=h;
 dmFields:=DM_PELSWIDTH+DM_PELSHEIGHT;
 ChangeDisplaySettings(dm,0)
 end;
end;

procedure TForm1.ZapiszWidokEkranuDoBMP;
var bmp: TBitmap;
begin
bmp:=TBitmap.Create;
bmp.PixelFormat:=pf24bit;
bmp.Width:=Screen.Width;
bmp.Height:=Screen.Height;
BitBlt(bmp.Canvas.Handle,0,0,bmp.Width,bmp.Height,GetWindowDC(GetDesktopWindow),0,0,SRCCOPY);
bmp.SaveToFile('nazwa.bmp');
bmp.Free;
end;

procedure TForm1.ZapiszWidokOknaDoBMP;
var bmp: TBitmap; h: THandle; r: TRect;
begin
h:=GetForeGroundWindow;
GetWindowRect(h,r);
bmp:=TBitmap.Create;
bmp.PixelFormat:=pf24bit;
bmp.Width:=r.Right-r.Left;
bmp.Height:=r.Bottom-r.Top;
BitBlt(bmp.Canvas.Handle,0,0,bmp.Width,bmp.Height,GetWindowDC(h),0,0,SRCCOPY);
bmp.SaveToFile('nazwa.bmp');
bmp.Free;
end;

procedure TForm1.ZapiszWidokObszaruRoboczegoOknaDoBMP;
var bmp: TBitmap; h: THandle; r: TRect;
begin
h:=GetForeGroundWindow;
Windows.GetClientRect(h,r);
bmp:=TBitmap.Create;
bmp.PixelFormat:=pf24bit;
bmp.Width:=r.Right-r.Left;
bmp.Height:=r.Bottom-r.Top;
BitBlt(bmp.Canvas.Handle,0,0,bmp.Width,bmp.Height,GetDC(h),0,0,SRCCOPY);
bmp.SaveToFile('nazwa.bmp');
bmp.Free;
end;

h:=Edit1.Handle;

procedure TForm1.CzyPikselCzerwny(x,y: Integer): Boolean;
var cnv: TCanvas;
begin
cnv:=TCanvas.Create;
cnv.Handle:=GetWindowDC(GetDesktopWindow);
if cnv.Pixels[x,y]=RGB(255,0,0)
 then Result:=True
 else Result:=False;
cnv.Free;
end;

uses Registry;

procedure TForm1.UstawTapete;
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=HKEY_CURRENT_USER;
  reg.OpenKey('Control Panel\Desktop',True);
  reg.WriteString('TileWallpaper','0');
  reg.WriteString('WallpaperStyle','2');
 finally
  reg.CloseKey();
  reg.Free;
 end;
SystemParametersInfo(SPI_SETDESKWALLPAPER,0,PChar('sciezka\nazwa.bmp')
 ,SPIF_UPDATEINIFILE or SPIF_SENDWININICHANGE);
end;

procedure TForm1.UkryjIkonyPulpitu;
var uchwyt: HWND;
begin
uchwyt:=FindWindow(PChar('Progman'),nil);
ShowWindow(uchwyt,SW_HIDE);
end;

if FileExists('C:\sciezka\nazwa.roz')
 then ShowMessage('Plik istnieje');

CopyFile(PChar('C:\sciezka1\nazwa1.roz1'),PChar('C:\sciezka2\nazwa2.roz2'),True);

RenameFile('C:\sciezka\nazwa1.roz1','C:\sciezka\nazwa2.roz2');

procedure TForm1.SkasujPlik(plik: String);
begin
FileSetAttr(plik,FileGetAttr(plik) and not (faReadOnly or faHidden));
DeleteFile(plik);
end;

if DirectoryExists('C:\sciezka\folder')
 then ShowMessage('Folder istnieje');

CreateDir('C:\sciezka\folder');

ForceDirectories('C:\sciezka\folder');

procedure TForm1.KopiujFolder(folder1,folder2: String);
var sr: TSearchRec; czyKoniec: Integer;
begin
czyKoniec:=FindFirst(folder1+'\*',faAnyFile,sr);
while czyKoniec=0 do
 begin
 if (sr.Name<>'.') and (sr.Name<>'..')
  then
   begin
   if not DirectoryExists(folder2)
    then ForceDirectories(folder2);
   if DirectoryExists(folder1+'\'+sr.Name)
    then KopiujFolder(folder1+'\'+sr.Name,folder2+'\'+sr.Name)
    else CopyFile(PChar(folder1+'\'+sr.Name),PChar(folder2+'\'+sr.Name),True);
   end;
 czyKoniec:=FindNext(sr);
 end;
FindClose(sr);
end;

uses ShellApi;

procedure TForm1.PrzeniesFolder(folder1,folder2: String);
var fileOp: TSHFileOpStruct;
begin
FillChar(fileOp,SizeOf(fileOp),#0);
fileOp.Wnd:=GetDesktopWindow();
fileOp.wFunc:=FO_MOVE;
fileOp.pFrom:=PChar(folder1+#0);
fileOp.pTo:=PChar(folder2+#0);
fileOp.fFlags:=FOF_NOCONFIRMMKDIR;
ShFileOperation(fileOp);
end;

RemoveDir('C:\sciezka\folder');

procedure TForm1.UsunFolder(folder: String);
var sr: TSearchRec; czyKoniec: Integer;
begin
czyKoniec:=FindFirst(folder+'\*',faAnyFile,sr);
while czyKoniec=0 do
 begin
 if (sr.Name<>'.') and (sr.Name<>'..')
  then
   begin
   if DirectoryExists(folder+'\'+sr.Name)
    then UsunFolder(folder+'\'+sr.Name)
    else
     begin
     FileSetAttr(folder+'\'+sr.Name,FileGetAttr(folder+'\'+sr.Name) and not (faReadOnly or faHidden));
     DeleteFile(folder+'\'+sr.Name);
     end;
   end;
 czyKoniec:=FindNext(sr);
 end;
FindClose(sr);
RemoveDir(folder);
end;

MoveFile(PChar('C:\sciezka\folder1'),PChar('C:\sciezka\folder2'));

function TForm1.RozmiarPliku(plik: String): Integer;
var sr: TSearchRec;
begin
if FindFirst(plik,faAnyFile,sr)=0
 then Result:=sr.Size
 else Result:=0;
FindClose(sr);
end;

function TForm1.RozmiarPlikuExt(plik: String): Extended;
var sr: TSearchRec;
begin
if FindFirst(plik,faAnyFile,sr)=0
 then Result:=sr.FindData.nFileSizeHigh*4294967296+sr.FindData.nFileSizeLow
 else Result:=0;
FindClose(sr);
end;

function TForm1.CzyPlikiSaIdentyczne(plik1,plik2: String): Boolean;
var ms1,ms2: TMemoryStream;
begin
Result:=False;
if FileExists(plik1) and FileExists(plik2)
 then
  begin
  ms1:=TMemoryStream.Create;
  ms2:=TMemoryStream.Create;
  try
    ms1.LoadFromFile(plik1);
    ms2.LoadFromFile(plik2);
    if ms1.Size=ms2.Size
     then Result:=CompareMem(ms1.Memory,ms2.Memory,ms1.Size);
   finally
    ms2.Free;
    ms1.Free;
   end;
  end;
end;

procedure TForm1.DodajPlikiFolderu(folder: String);
var sr: TSearchRec; czyKoniec: Integer;
begin
czyKoniec:=FindFirst(folder+'\*',faAnyFile,sr);
while czyKoniec=0 do
 begin
 if (sr.Name<>'.') and (sr.Name<>'..')
  then
   begin
   if (FileExists(folder+'\'+sr.Name)) and (AnsiLowerCase(Copy(sr.Name,Length(sr.Name)-3,4))='.roz')
    then ListBox1.Items.Add(folder+'\'+sr.Name);
   end;
 czyKoniec:=FindNext(sr);
 end;
FindClose(sr);
end;

procedure TForm1.DodajPlikiFolderu(folder: String);
var sr: TSearchRec; czyKoniec: Integer;
begin
czyKoniec:=FindFirst(folder+'\*',faAnyFile,sr);
while czyKoniec=0 do
 begin
 if (sr.Name<>'.') and (sr.Name<>'..')
  then
   begin
   if DirectoryExists(folder+'\'+sr.Name)
    then DodajPlikiFolderu(folder+'\'+sr.Name)
    else
     if AnsiLowerCase(Copy(sr.Name,Length(sr.Name)-3,4))='.roz'
      then ListBox1.Items.Add(folder+'\'+sr.Name);
   end;
 czyKoniec:=FindNext(sr);
 end;
FindClose(sr);
end;

uses ShellApi;

private
 procedure WMDropFiles(var msg: TWMDropFiles); message WM_DROPFILES;

implementation

procedure TForm1.WMDropFiles(var msg: TWMDropFiles);
var cNazwaObiektu: array [0..MAX_PATH] of Char; i,liczbaObiektow: Integer;
begin
liczbaObiektow:=DragQueryFile(msg.Drop,$FFFFFFFF,nil,0);
for i:=0 to liczbaObiektow-1 do
 if DragQueryFile(msg.Drop,i,cNazwaObiektu,DragQueryFile(msg.Drop,i,nil,0)+1)>0
  then ListBox1.Items.Add(cNazwaObiektu);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
DragAcceptFiles(Handle,True);
end;

uses ShellApi;

private
 procedure WMDropFilesListBox1(var msg: TMessage);
 procedure LBWindowProcListBox1(var msg: TMessage);

var
 OldLBWindowProcListBox1: TWndMethod;

implementation

procedure TForm1.LBWindowProcListBox1(var msg: TMessage);
begin
if msg.Msg=WM_DROPFILES
 then WMDropFilesListBox1(msg)
 else OldLBWindowProcListBox1(msg);
end;

procedure TForm1.WMDropFilesListBox1(var msg: TMessage);
var cNazwaObiektu: array [0..MAX_PATH] of Char; i,liczbaObiektow: Integer;
begin
liczbaObiektow:=DragQueryFile(msg.WParam,$FFFFFFFF,nil,0);
for i:=0 to liczbaObiektow-1 do
 if DragQueryFile(msg.WParam,i,cNazwaObiektu,DragQueryFile(msg.WParam,i,nil,0)+1)>0
  then ListBox1.Items.Add(cNazwaObiektu);
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
OldLBWindowProcListBox1:=ListBox1.WindowProc;
ListBox1.WindowProc:=LBWindowProcListBox1;
DragAcceptFiles(ListBox1.Handle,True);
end;

uses ShellApi;

private
 procedure WMDropFilesEdit1(var msg: TMessage);
 procedure LBWindowProcEdit1(var msg: TMessage);

var
 OldLBWindowProcEdit1: TWndMethod;

implementation

procedure TForm1.LBWindowProcEdit1(var msg: TMessage);
begin
if msg.Msg=WM_DROPFILES
 then WMDropFilesEdit1(msg)
 else OldLBWindowProcEdit1(msg);
end;

procedure TForm1.WMDropFilesEdit1(var msg: TMessage);
var cNazwaObiektu: array [0..MAX_PATH] of Char;
begin
if DragQueryFile(msg.WParam,0,cNazwaObiektu,DragQueryFile(msg.WParam,0,nil,0)+1)>0
 then Edit1.Text:=cNazwaObiektu;
end;

procedure TForm1.FormCreate(Sender: TObject);
begin
OldLBWindowProcEdit1:=Edit1.WindowProc;
Edit1.WindowProc:=LBWindowProcEdit1;
DragAcceptFiles(Edit1.Handle,True);
end;

procedure TForm1.FormCreate(Sender: TObject);
var i: Integer;
begin
for i:=1 to ParamCount do
 ListBox1.Items.Add(ParamStr(i));
end;

function PorownanieFolderowe(sl: TStringList; i1,i2: Integer): Integer;
var folder1,folder2,nazwa1,nazwa2: String;
begin
folder1:=ExtractFilePath(sl[i1]);
folder1:=StringReplace(folder1,' ','|',[rfReplaceAll]);
folder2:=ExtractFilePath(sl[i2]);
folder2:=StringReplace(folder2,' ','|',[rfReplaceAll]);
nazwa1:=ExtractFileName(sl[i1]);
nazwa2:=ExtractFileName(sl[i2]);
Result:=AnsiCompareText(folder1,folder2)*2+AnsiCompareText(nazwa1,nazwa2);
end;

procedure TForm1.Sortuj;
var sl: TStringList;
begin
sl:=TStringList.Create;
sl.Assign(ListBox1.Items);
sl.CustomSort(PorownanieFolderowe);
ListBox1.Items.Assign(sl);
sl.Free;
end;

WinExec(PChar('explorer.exe /n, /select, "C:\sciezka\nazwa.roz"'),SW_SHOWNORMAL);

uses ShellApi;

procedure TForm1.PrzeniesDoKosza(obiekt: String);
var fileOp: TSHFileOpStruct;
begin
FillChar(fileOp,SizeOf(fileOp),#0);
fileOp.Wnd:=Application.Handle;
fileOp.wFunc:=FO_DELETE;
fileOp.pFrom:=PChar(obiekt+#0);
fileOp.fFlags:=FOF_SILENT or FOF_ALLOWUNDO or FOF_NOCONFIRMATION;
ShFileOperation(fileOp);
end;

function TForm1.PierwszaWolnaNazwaObiektu(obiekt: String): String;
var n: Integer;
begin
if (FileExists(obiekt)) or (DirectoryExists(obiekt))
 then
  begin
  n:=1;
  while (FileExists(Copy(obiekt,1,Length(obiekt)-Length(ExtractFileExt(obiekt)))
   +' ('+IntToStr(n)+')'+ExtractFileExt(obiekt)))
  or (DirectoryExists(Copy(obiekt,1,Length(obiekt)-Length(ExtractFileExt(obiekt)))
   +' ('+IntToStr(n)+')'+ExtractFileExt(obiekt))) do
   n:=n+1;
  Result:=Copy(obiekt,1,Length(obiekt)-Length(ExtractFileExt(obiekt)))
   +' ('+IntToStr(n)+')'+ExtractFileExt(obiekt);
  end
 else
  begin
  Result:=obiekt;
  end;
end;

function TForm1.PierwszaWolnaNazwaFolderu(folder: String): String;
var n: Integer;
begin
if DirectoryExists(folder)
 then
  begin
  n:=1;
  while DirectoryExists(Copy(folder,1,Length(folder)-Length(ExtractFileExt(folder)))+' ('
   +IntToStr(n)+')'+ExtractFileExt(folder)) do
   n:=n+1;
  Result:=Copy(folder,1,Length(folder)-Length(ExtractFileExt(folder)))+' ('
   +IntToStr(n)+')'+ExtractFileExt(folder);
  end
 else
  begin
  Result:=folder;
  end;
end;

RichEdit1.Lines.LoadFromFile('C:\sciezka\nazwa.roz');

RichEdit1.Lines.SaveToFile('C:\sciezka\nazwa.roz');

function TForm1.WczytajPlikDoString(plik: String): String;
var fs: TFileStream; s: String;
begin
fs:=TFileStream.Create(plik,fmOpenRead);
try
  SetLength(s,fs.Size);
  fs.Position:=0;
  fs.ReadBuffer(Pointer(s)^,fs.Size);
 finally
  fs.Free;
 end;
Result:=s;
end;

function TForm1.WczytajPlikDoStringBlokami(plik: String): String;
var b: Integer; f: File; cBuffer: array [1..65536] of Char;
begin
FileSetAttr(plik,FileGetAttr(plik) and not faReadOnly);
AssignFile(f,plik);
Reset(f,1);
b:=1;
Result:='';
while b>0 do
 begin
 BlockRead(f,cBuffer,SizeOf(cBuffer),b);
 Result:=Result+Copy(cBuffer,1,b);
 end;
CloseFile(f);
end;

procedure TForm1.ZapiszStringDoPliku(s,plik: String);
var fs: TFileStream;
begin
fs:=TFileStream.Create(plik,fmCreate);
try
  fs.WriteBuffer(Pointer(s)^,Length(s));
 finally
  fs.Free;
 end;
end;

procedure TForm1.ZapiszStringDoPlikuBlokami(s,plik: String);
var i,b: Integer; f: File; cBuffer: array [1..65536] of Char;
begin
AssignFile(f,plik);
if FileExists(plik)
 then Reset(f,1)
 else Rewrite(f,1);
while Length(s)>0 do
 begin
 if Length(s)<SizeOf(cBuffer)
  then b:=Length(s)
  else b:=SizeOf(cBuffer);
  for i:=1 to b do
   cBuffer[i]:=s[i];
  BlockWrite(f,cBuffer,b);
  s:=Copy(s,b+1,Length(s)-b);
 end;
CloseFile(f);
end;

uses IniFiles;

procedure TForm1.ZapiszUstawienia;
var ini: TIniFile; b: Boolean; n: Integer; s: String; dt: TDateTime; x: Double;
begin
b:=False;
n:=99;
s:='tekst';
dt:=Now;
x:=3.14;
ini:=TIniFile.Create(ExtractFilePath(Application.ExeName)+'nazwa.ini');
ini.WriteString('ustawienia','s',s);
ini.WriteBool('ustawienia','b',b);
ini.WriteInteger('ustawienia','n',n);
ini.WriteDateTime('ustawienia','dt',dt);
ini.WriteFloat('ustawienia','x',x);
ini.UpdateFile;
ini.Free;
end;

uses IniFiles;

procedure TForm1.WczytajUstawienia;
var ini: TIniFile; b: Boolean; n: Integer; s: String; dt: TDateTime; x: Double;
begin
ini:=TIniFile.Create(ExtractFilePath(Application.ExeName)+'nazwa.ini');
b:=ini.ReadBool('ustawienia','b',True);
n:=ini.ReadInteger('ustawienia','n',0);
s:=ini.ReadString('ustawienia','s','');
dt:=ini.ReadDateTime('ustawienia','dt',Now);
x:=ini.ReadFloat('ustawienia','x',0);
ini.Free;
end;

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') or faReadOnly);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') and not faReadOnly);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') or faHidden);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') and not faHidden);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') or faSysFile);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') and not faSysFile);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') or faArchive);

FileSetAttr('C:\sciezka\plik.roz',FileGetAttr('C:\sciezka\plik.roz') and not faArchive);

procedure TForm1.SprawdzDatyPliku(plik: String);
var sr: TSearchRec; u,m,d: TDateTime; localFileTime: TFileTime; systemTime: TSystemTime;
begin
if FindFirst(plik,faAnyFile,sr)=0
 then
  begin
  FileTimeToLocalFileTime(sr.FindData.ftCreationTime,localFileTime);
  FileTimeToSystemTime(localFileTime,systemTime);
  u:=SystemTimeToDateTime(systemTime);
  FileTimeToLocalFileTime(sr.FindData.ftLastWriteTime,localFileTime);
  FileTimeToSystemTime(localFileTime,systemTime);
  m:=SystemTimeToDateTime(systemTime);
  FileTimeToLocalFileTime(sr.FindData.ftLastAccessTime,localFileTime);
  FileTimeToSystemTime(localFileTime,systemTime);
  d:=SystemTimeToDateTime(systemTime);
  FindClose(sr);
  ShowMessage('Data utworzenia: '+FormatDateTime('yyyy-mm-dd hh:mm:ss',u)+Chr(13)+Chr(10)
   +'Data ostatniej modyfikacji: '+FormatDateTime('yyyy-mm-dd hh:mm:ss',m)+Chr(13)+Chr(10)
   +'Data ostatniego dostępu: '+FormatDateTime('yyyy-mm-dd hh:mm:ss',d));
  end;
end;

procedure TForm1.ZmienDatyPliku(plik: String; dataU,dataM,dataD: TDateTime);
var f: File; ddtU,ddtM,ddtD,fHandle: Integer; lftU,lftM,lftD,ftU,ftM,ftD: TFileTime;
begin
if FileExists(plik)
 then
  begin
  try
    FileSetAttr(plik,FileGetAttr(plik) and not faReadOnly);
    AssignFile(f,plik);
    Reset(f);
    fHandle:=TFileRec(f).Handle;
    ddtU:=DateTimeToFileDate(dataU);
    ddtM:=DateTimeToFileDate(dataM);
    ddtD:=DateTimeToFileDate(dataD);
    DosDateTimeToFileTime(LongRec(ddtU).Hi,LongRec(ddtU).Lo,lftU);
    DosDateTimeToFileTime(LongRec(ddtM).Hi,LongRec(ddtM).Lo,lftM);
    DosDateTimeToFileTime(LongRec(ddtD).Hi,LongRec(ddtD).Lo,lftD);
    LocalFileTimeToFileTime(lftU,ftU);
    LocalFileTimeToFileTime(lftM,ftM);
    LocalFileTimeToFileTime(lftD,ftD);
    SetFileTime(fHandle,@ftU,@ftU,@ftD);
   finally
    CloseFile(f);
   end;
  end;
end;

s:=Application.ExeName;

if ParamCount=1
 then plik:=ParamStr(1);

uses Registry;

procedure TForm1.DodajDoKluczaRun(nazwa,plik: String);
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=HKEY_LOCAL_MACHINE;
  reg.OpenKey('SOFTWARE\Microsoft\Windows\CurrentVersion\Run',True);
  reg.WriteString(nazwa,plik);
 finally
  reg.CloseKey();
  reg.Free;
 end;
end;

PROGRAM RCDATA "nazwa.roz"

{$R ZASOBY.RES}

procedure TForm1.WypakujZasoby(plik: String);
var res: TResourceStream;
begin
res:=TResourceStream.Create(hInstance,'PROGRAM',RT_RCDATA);
res.SaveToFile(plik);
res.Free;
end;

CreateHardLink(PChar('C:\sciezka2\nazwa2.roz2'),PChar('C:\sciezka1\nazwa1.roz1'),nil);

uses ComObj;

function TForm1.WartoscKomorkiExcel(wiersz,kolumna: Integer; plik: String): String;
var excelApp: OleVariant;
begin
try
  excelApp:=CreateOleObject('Excel.Application');
 except
  ShowMessage('Brak oprogramowania Excel');
  Exit;
 end;
excelApp.Workbooks.Open(plik);
Result:=excelApp.Cells[wiersz,kolumna].Value;
if not VarIsEmpty(excelApp)
 then excelApp.Quit;
end;

ShowMessage(IntToStr(Win32MajorVersion)+'.'+IntToStr(Win32MinorVersion)+'.'+IntToStr(Win32BuildNumber));

function TForm1.WersjaSystemuWindows: String;
var cBuffer: array [0..MAX_PATH] of Char;
    verInfoSize,verValueSize,dummy: Cardinal;
    pVerInfo: Pointer; pVerValue: PVSFixedFileInfo;
    major,minor,build: String;
begin
Result:='';
GetSystemDirectory(cBuffer,SizeOf(cBuffer));
verInfoSize:=GetFileVersionInfoSize(PChar(cBuffer+'\ntdll.dll'),dummy);
if verInfoSize>0
 then
  begin
  GetMem(pVerInfo,verInfoSize);
  try
    if GetFileVersionInfo(PChar(cBuffer+'\ntdll.dll'),0,verInfoSize,pVerInfo)
     then
      begin
      if VerQueryValue(pVerInfo,'\',Pointer(pVerValue),verValueSize)
       then
        begin
        major:=IntToStr(HIWORD(pVerValue^.dwFileVersionMS));
        minor:=IntToStr(LOWORD(pVerValue^.dwFileVersionMS));
        build:=IntToStr(HIWORD(pVerValue^.dwFileVersionLS));
        Result:=major+'.'+minor+'.'+build;
        end;
      end;
   finally
    FreeMem(pVerInfo,verInfoSize);
   end;
  end;
end;

function TForm1.SciezkaWindows: String;
var cBuffer: array [0..MAX_PATH] of Char;
begin
GetWindowsDirectory(cBuffer,SizeOf(cBuffer));
Result:=cBuffer;
end;

function TForm1.SciezkaSystemu: String;
var cBuffer: array [0..MAX_PATH] of Char;
begin
GetSystemDirectory(cBuffer,SizeOf(cBuffer));
Result:=cBuffer;
end;

uses ActiveX, ShlObj;

function TForm1.SciezkaPulpitu: String;
var shellMalloc: IMalloc; pIIL: PItemIdList;
begin
pIIL:=nil;
try
  if SHGetMalloc(shellMalloc)=NOERROR
   then
    begin
    SHGetSpecialFolderLocation(Form1.Handle,CSIDL_DESKTOP,pIIL);
    SetLength(Result,MAX_PATH);
    SHGetPathFromIDList(pIIL,PChar(Result));
    SetLength(Result,StrLen(PChar(Result)));
    end;
 finally
  if pIIL<>nil
   then shellMalloc.Free(pIIL);
 end;
end;

function TForm1.Wyjscie(tryb: Longword): Boolean;
var h: THandle; tTokenPvg: TTokenPrivileges;
    cbtpPrevious: DWORD; rtTokenPvg: TTokenPrivileges;
    pcbtpPreviousRequired: DWORD; tpResult: Boolean;
begin
if Win32Platform=VER_PLATFORM_WIN32_NT
 then
  begin
  tpResult:=OpenProcessToken
   (GetCurrentProcess,TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY,h);
  if tpResult
   then
    begin
    tpResult:=LookupPrivilegeValue(nil,'SeShutdownPrivilege',tTokenPvg.Privileges[0].Luid);
    tTokenPvg.PrivilegeCount:=1;
    tTokenPvg.Privileges[0].Attributes:=SE_PRIVILEGE_ENABLED;
    cbtpPrevious:=SizeOf(rtTokenPvg);
    pcbtpPreviousRequired:=0;
    if tpResult
     then Windows.AdjustTokenPrivileges
      (h,False,tTokenPvg,cbtpPrevious,rtTokenPvg,pcbtpPreviousRequired);
    end;
  end;
Result:=ExitWindowsEx(tryb,0);
end;

WinExec(PChar('command.com /c ipconfig /renew'),SW_HIDE);

uses Registry;

function TForm1.CzyIstniejeKluczRejestru(korzen: HKEY; klucz: String): Boolean;
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=korzen;
  Result:=reg.KeyExists(klucz);
 finally
  reg.Free;
 end;
end;

uses Registry;

function TForm1.CzyIstniejeWartoscKluczaRejestru(korzen: HKEY; klucz,wartosc: String): Boolean;
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=korzen;
  reg.OpenKey(klucz,False);
  Result:=reg.ValueExists(wartosc);
 finally
  reg.CloseKey();
  reg.Free;
 end;
end;

uses Registry;

function TForm1.OdczytajWartoscKluczaRejestru(korzen: HKEY; klucz,wartosc: String): String;
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=korzen;
  reg.OpenKey(klucz,False);
  Result:=reg.ReadString(wartosc);
 finally
  reg.CloseKey();
  reg.Free;
 end;
end;

uses Registry;

procedure TForm1.DodajWartoscKluczaRejestru(korzen: HKEY; klucz,wartosc,dane: String);
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=korzen;
  reg.OpenKey(klucz,True);
  reg.WriteString(wartosc,dane);
 finally
  reg.CloseKey();
  reg.Free;
 end;
end;

uses Registry;

procedure TForm1.UsunWartoscKluczaRejestru(korzen: HKEY; klucz,wartosc: String);
var reg: TRegistry;
begin
reg:=TRegistry.Create;
try
  reg.RootKey:=korzen;
  reg.OpenKey(klucz,True);
  reg.DeleteValue(wartosc);
 finally
  reg.CloseKey();
  reg.Free;
 end;
end;

uses ShellApi;

ShellExecute(Handle,PChar('open'),PChar('C:\sciezka\nazwa.roz'),nil,nil,SW_SHOW);

function TForm1.UruchomCzekajNaZakonczenie(plik: String): Integer;
var processSI: STARTUPINFO; processPI: PROCESS_INFORMATION; exitCode: DWORD;
begin
GetStartupInfo(processSI);
processSI.dwFlags:=STARTF_USESTDHANDLES or STARTF_USESHOWWINDOW;
processSI.wShowWindow:=SW_HIDE;
Result:=-1;
if CreateProcess(nil,PChar(plik),nil,nil,False,CREATE_NEW_CONSOLE or NORMAL_PRIORITY_CLASS
 ,nil,nil,processSI,processPI)
 then
  begin
  WaitforSingleObject(processPI.hThread,INFINITE);
  GetExitCodeProcess(processPI.hProcess,exitCode);
  Result:=exitCode;
  CloseHandle(processPI.hProcess);
  CloseHandle(processPI.hThread);
  end;
end;

GetCurrentProcessId;

function TForm1.SprawdzPidOkna(h: THandle): Integer;
begin
GetWindowThreadProcessId(h,@Result);
end;

SetPriorityClass(GetCurrentProcess,NORMAL_PRIORITY_CLASS);

SetPriorityClass(OpenProcess(PROCESS_SET_INFORMATION,False,pID),NORMAL_PRIORITY_CLASS);

uses Tlhelp32;

procedure TForm1.ListaProcesow;
var next: Boolean; h: THandle; pe32: TProcessEntry32;
begin
h:=CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
pe32.dwSize:=SizeOf(pe32);
next:=Process32First(h,pe32);
while next do
 begin
 ListBox1.Items.Add('plik='+pe32.szExeFile
  +' pID='+IntToStr(pe32.th32ProcessID)
  +' nadrzedny_pID='+IntToStr(pe32.th32ParentProcessID)
  +' priorytet='+IntToStr(pe32.pcPriClassBase)
  +' liczba_watkow='+IntToStr(pe32.cntThreads));
 next:=Process32Next(h,pe32);
 end;
CloseHandle(h);
end;

uses Tlhelp32;

procedure TForm1.ListaWatkow;
var next: Boolean; h: THandle; te32: TThreadEntry32;
begin
h:=CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD,0);
if h<>INVALID_HANDLE_VALUE
 then
  try
    te32.dwSize:=SizeOf(te32);
    next:=Thread32First(h,te32);
    while next do
     begin
     ListBox1.Items.Add('tID='+IntToStr(te32.th32ThreadID)
      +' nadrzedny_pID='+IntToStr(te32.th32OwnerProcessID));
     next:=Thread32Next(h,te32);
     end;
    finally
     CloseHandle(h);
    end;
end;

procedure TForm1.ListaUchwytowProcesu(pID: Cardinal);
var uchwyt: HWND; pID2: Cardinal;
begin
uchwyt:=GetWindow(Application.Handle,GW_HWNDFIRST);
while uchwyt<>0 do
 begin
 GetWindowThreadProcessId(uchwyt,pID2);
 if pID2=pID
  then ListBox1.Items.Add(IntToStr(uchwyt));
 uchwyt:=GetWindow(uchwyt,GW_HWNDNEXT);
 end;
end;

TerminateProcess(OpenProcess(PROCESS_TERMINATE,False,pID),0);

function EnumWindowsProc(wHandle: HWND): Boolean; StdCall; Export;
var titleBuffer,classBuffer: array [0..128] of Char;
begin
Result:=True;
GetWindowText(wHandle,titleBuffer,SizeOf(titleBuffer));
GetClassName(wHandle,classBuffer,SizeOf(classBuffer));
if IsWindowVisible(wHandle)
 then Form1.ListBox1.Items.Add(titleBuffer+'/'+classBuffer+'/'+IntToStr(wHandle));
end;

EnumWindows(@EnumWindowsProc,0);

function TForm1.TytulAktywnegoOkna: String;
var h: THandle; tytul: String; dlugoscTytulu: Longint;
begin
Result:='';
h:=GetForegroundWindow;
if h<>0
 then
  begin
  dlugoscTytulu:=GetWindowTextLength(h)+1;
  SetLength(tytul,dlugoscTytulu);
  GetWindowText(h,PChar(tytul),dlugoscTytulu);
  Result:=TrimRight(tytul);
  end;
end;

var uchwyt: HWND;

uchwyt:=FindWindow(nil,PChar('Tytuł okna'));

var uchwyt: HWND;

uchwyt:=FindWindow(PChar('Typ okna'),nil);

if IsWindow(uchwyt)
 then ShowMessage('Okno istnieje')
 else ShowMessage('Okno nie istnieje');

if IsWindowVisible(uchwyt)
 then ShowMessage('Okno jest widoczne')
 else ShowMessage('Okno nie jest widoczne');

if IsIconic(uchwyt)
 then ShowMessage('Okno jest zminimalizowane')
 else ShowMessage('Okno nie jest zminimalizowane');

if IsZoomed(uchwyt)
 then ShowMessage('Okno jest zmaksymalizowane')
 else ShowMessage('Okno nie jest zmaksymalizowane');

if (GetWindowLong(uchwyt,GWL_EXSTYLE) and WS_EX_TOPMOST)=WS_EX_TOPMOST
 then ShowMessage('Okno jest w trybie zawsze na wierzchu')
 else ShowMessage('Okno nie jest w trybie zawsze na wierzchu');

ShowWindow(uchwyt,SW_MINIMIZE);

SetWindowPos(uchwyt,HWND_BOTTOM,0,0,0,0,SWP_NOMOVE or SWP_NOSIZE);

SendMessage(uchwyt,WM_CLOSE,0,0);

var
  polaczony: Boolean;

function TForm1.CzyJestPolaczenie: Boolean;
begin
IdIcmpClient1.Host:='www.witryna.pl';
IdIcmpClient1.Port:=80;
IdIcmpClient1.Ping;
Result:=polaczony;
end;

procedure TForm1.IdIcmpClient1Reply(ASender: TComponent; const AReplyStatus: TReplyStatus);
begin
if AReplyStatus.BytesReceived=0
 then polaczony:=False
 else polaczony:=True;
end;

uses WinSock;

function TForm1.MojAdresIP: String;
var cBuffer: array [0..63] of Char; pHE: PHostEnt; wsaData: TWSAData;
begin
WSAStartup($101,wsaData);
GetHostName(cBuffer,SizeOf(cBuffer));
pHE:=GetHostByName(@cBuffer);
Result:=iNet_ntoa(PInAddr(pHE^.h_addr_list^)^);
WSACleanup;
end;

uses WinSock;

function TForm1.MojeAdresyIP: String;
type tPInAddr = array [0..63] of PInAddr;
     pPInAddr = ^tPInAddr;
var cBuffer: array [0..63] of Char; pHE: PHostEnt; wsaData: TWSAData;
    n: Integer; pPIA: pPInAddr;
begin
WSAStartup($101,wsaData);
GetHostName(cBuffer,SizeOf(cBuffer));
pHE:=GetHostByName(cBuffer);
if pHE<>nil
 then
  begin
  pPIA:=pPInAddr(pHE^.h_addr_list);
  Result:=iNet_ntoa(pPIA^[0]^);
  n:=1;
  while pPIA^[n]<>nil do
   begin
   Result:=Result+','+iNet_ntoa(pPIA^[n]^);
   n:=n+1;
   end;
  end;
WSACleanup;
end;

uses WinSock;

function TForm1.MojAdresMAC: String;
var i: Integer; lEnum: PlanaEnum; systemID: String;
    ncb: PNCB; adapter: PAdapterStatus; retCode: Char;
begin
Result:='';
systemID:='';
GetMem(ncb,SizeOf(TNCB));
FillChar(ncb^,SizeOf(TNCB),0);
GetMem(lEnum,SizeOf(TLanaEnum));
FillChar(lEnum^,SizeOf(TLanaEnum),0);
GetMem(adapter,SizeOf(TAdapterStatus));
FillChar(adapter^,SizeOf(TAdapterStatus),0);
lEnum.Length:=Chr(0);
ncb.ncb_command:=Chr(NCBENUM);
ncb.ncb_buffer:=Pointer(lEnum);
ncb.ncb_length:=SizeOf(lEnum);
retCode:=Netbios(ncb);
i:=0;
repeat
  FillChar(ncb^,SizeOf(TNCB),0);
  ncb.ncb_command:=Chr(NCBRESET);
  ncb.ncb_lana_num:=lEnum.lana[i];
  retCode:=Netbios(ncb);
  FillChar(ncb^,SizeOf(TNCB),0);
  ncb.ncb_command:=Chr(NCBASTAT);
  ncb.ncb_lana_num:=lEnum.lana[i];
  ncb.ncb_callname:='*               ';
  ncb.ncb_buffer:=Pointer(adapter);
  ncb.ncb_length:=SizeOf(TAdapterStatus);
  retCode:=Netbios(ncb);
  if (retCode=Chr(0)) or (retCode=Chr(6))
   then
    begin
    systemID:=IntToHex(Ord(adapter.adapter_address[0]),2)+'-'
     +IntToHex(Ord(adapter.adapter_address[1]),2)+'-'
     +IntToHex(Ord(adapter.adapter_address[2]),2)+'-'
     +IntToHex(Ord(adapter.adapter_address[3]),2)+'-'
     +IntToHex(Ord(adapter.adapter_address[4]),2)+'-'
     +IntToHex(Ord(adapter.adapter_address[5]),2);
    end;
  Inc(i);
 until (i>=Ord(lEnum.Length)) or (systemID<>'00-00-00-00-00-00');
FreeMem(ncb);
FreeMem(adapter);
FreeMem(lEnum);
Result:=systemID;
end;

uses UrlMon;

UrlDownloadToFile(nil,PChar('http://www.witryna.pl/nazwa.roz'),PChar('C:\sciezka\nazwa.roz'),0,nil);

uses Wininet;

procedure TForm1.PobierzPlik(adres,plik: String);
var hSession,hService: HINTERNET; dwBytesRead: DWORD;
    fs: TFileStream; cBuffer: array [0..4096+1] of Char;
begin
fs:=TFileStream.Create(plik,fmCreate);
hSession:=InternetOpen(PChar('identyfikator aplikacji'),INTERNET_OPEN_TYPE_PRECONFIG,nil,nil,0);
try
  if Assigned(hSession)
   then
    begin
    hService:=InternetOpenUrl(hSession,PChar(adres),nil,0,0,0);
    if Assigned(hService)
     then
      try
        while True do
         begin
         dwBytesRead:=4096;
         InternetReadFile(hService,@cBuffer,4096,dwBytesRead);
         if dwBytesRead=0
          then break;
         cBuffer[dwBytesRead]:=#0;
         fs.Write(cBuffer,dwBytesRead*SizeOf(Char));
         end;
       finally
        InternetCloseHandle(hService);
       end;
    end;
 finally
  InternetCloseHandle(hSession);
 end;
fs.Free;
end;

uses IdException;

procedure TForm1.PobierzPlik(adres,plik: String); 
var fs: TFileStream; e: Exception;
begin
try
  IdHTTP1.Head(adres);
  fs:=TFileStream.Create(plik,fmCreate);
  IdHTTP1.Get(adres,fs);
  fs.Free;
  IdHTTP1.Disconnect;
 except
  on e: EIdProtocolReplyError do
   begin
   //tu można wpisać polecenia wykonywane w przypadku braku pliku
   end;
  on e: EIdSocketError do
   begin
   //tu można wpisać polecenia wykonywane w przypadku przekierowania
   end;
 end;
end;

procedure TForm1.IdHTTP1WorkBegin(Sender: TObject; AWorkMode: TWorkMode;
  const AWorkCountMax: Integer);
begin
ProgressBar1.Max:=AWorkCountMax;
end;

procedure TForm1.IdHTTP1Work(Sender: TObject; AWorkMode: TWorkMode;
  const AWorkCount: Integer);
begin
ProgressBar1.Position:=AWorkCount;
end;

procedure TForm1.IdHTTP1WorkEnd(Sender: TObject; AWorkMode: TWorkMode);
begin
ProgressBar1.Position:=0;
end;

uses ShellApi;

ShellExecute(Handle,PChar('open'),PChar('http://www.witryna.pl/'),nil,nil,SW_SHOW);

uses ShellApi;

ShellExecute(Handle,PChar('open'),PChar('C:\Program Files\Mozilla Firefox\firefox.exe')
 ,PChar('http://www.witryna.pl/'),nil,SW_SHOW);

RichEdit1.Text:=IdHTTP1.Get('http://www.witryna.pl');

procedure TForm1.PetlaBreak;
var i: Integer;
begin
for i:=1 to 1000 do
 begin
  if i=8
   then break;
 end;
end;

procedure TForm1.PetlaGoToLabel;
var i: Integer; label A;
begin
i:=0;
A:
i:=i+1;
if i<8
 then goto A;
end;

const
 tablica1: array [0..9] of Integer = (0,1,4,2,3,4,5,6,7,8,9);
 tablica2: array [0..3,0..2] of Integer = ((11,12),(21,22),(31,32));
 tablica3: array [5..10] of String = ('a','b','c','d','e');

var tablica: array of String;

SetLength(tablica,2);
tablica[0]:='1';
tablica[1]:='2';

procedure TForm1.UkryjPrzyciski;
var i: Integer;
begin
for i:=0 to ControlCount-1 do
 if Controls[i] is TButton
  then Controls[i].Visible:=False;
end;

Edit1.SetFocus;
Edit1.SelStart:=Length(Edit1.Text);

uses Clipbrd, Menus;

procedure TForm1.Edit1Enter(Sender: TObject);
begin
Action1.ShortCut:=TextToShortCut('Ctrl+A');
Action1.Enabled:=True;
end;

procedure TForm1.Edit1Exit(Sender: TObject);
begin
Action1.Enabled:=False;
Action1.ShortCut:=TextToShortCut('');
end;

procedure TForm1.Action1Execute(Sender: TObject);
begin
Edit1.SelectAll;
end;

procedure TForm1.Edit1KeyPress(Sender: TObject; var Key: Char);
begin
if not ((Key in ['0'..'9']) or (Ord(Key)=8))
 then Key:=#0;
end;

procedure TForm1.Edit1Change(Sender: TObject);
begin
if Edit1.Text=''
 then Edit1.Text:=IntToStr(UpDown1.Min);
if StrToIntDef(Edit1.Text,0)=StrToIntDef(Edit1.Text,1)
 then UpDown1.Position:=Max(Min(StrToInt(Edit1.Text),UpDown1.Max),UpDown1.Min);
Edit1.Text:=IntToStr(UpDown1.Position);
end;

procedure TForm1.UpDown1Click(Sender: TObject; Button: TUDBtnType);
begin
Edit1.Text:=IntToStr(UpDown1.Position);
end;

procedure TForm1.PoziomySuwakListBox;
var i,w: Integer;
begin
ListBox1.Canvas.Font:=ListBox1.Font;
w:=0;
for i:=0 to ListBox1.Items.Count-1 do
 if ListBox1.Canvas.TextWidth(ListBox1.Items[i])>w
  then w:=ListBox1.Canvas.TextWidth(ListBox1.Items[i]);
SendMessage(ListBox1.Handle,LB_SETHORIZONTALEXTENT,w+5,0);
end;

procedure TForm1.PrzesunStringGrid(x,y: Integer);
begin
StringGrid1.LeftCol:=x;
StringGrid1.TopRow:=y;
end;

StringGrid1.SetFocus;
StringGrid1.Selection:=TGridRect(Rect(x,y,x,y));

szerokosc:=Label1.Canvas.TextWidth(Label1.Caption);

wysokosc:=Label1.Canvas.TextHeight(Label1.Caption);

Label1.Parent:=ProgressBar1;
Label1.Top:=1;
Label1.Left:=2;

uses CommCtrl;

SendMessage(ProgressBar1.Handle,PBM_SETBARCOLOR,0,clRed);

liczbaPrzebiegow:=1000000;
ProgressBar1.Max:=liczbaPrzebiegow;
for i:=1 to liczbaPrzebiegow do
 begin
 JakasProcedura;
 if (i mod ((ProgressBar1.Max div 100)+1))=0
  then
   begin
   ProgressBar1.Position:=ProgressBar1.Position+((ProgressBar1.Max div 100)+1);
   Application.ProcessMessages;
   end;
 end;

uses Menus;

Action1.ShortCut:=TextToShortCut('Shift+Ctrl+Alt+Enter');
ShowMessage(ShortCutToText(Action1.ShortCut));

Action1.ShortCut:=ShortCut(VK_RETURN,[ssAlt,ssCtrl,ssShift]);

ColorDialog1.CustomColors.Add('ColorA=FFFFFF');
ColorDialog1.CustomColors.Add('ColorB=FFFFFF');
ColorDialog1.CustomColors.Add('ColorC=FFFFFF');
ColorDialog1.CustomColors.Add('ColorD=FFFFFF');
ColorDialog1.CustomColors.Add('ColorE=FFFFFF');
ColorDialog1.CustomColors.Add('ColorF=FFFFFF');
ColorDialog1.CustomColors.Add('ColorG=FFFFFF');
ColorDialog1.CustomColors.Add('ColorH=FFFFFF');
ColorDialog1.CustomColors.Add('ColorI=FFFFFF');
ColorDialog1.CustomColors.Add('ColorJ=FFFFFF');
ColorDialog1.CustomColors.Add('ColorK=FFFFFF');
ColorDialog1.CustomColors.Add('ColorL=FFFFFF');
ColorDialog1.CustomColors.Add('ColorM=FFFFFF');
ColorDialog1.CustomColors.Add('ColorN=FFFFFF');
ColorDialog1.CustomColors.Add('ColorO=FFFFFF');
ColorDialog1.CustomColors.Add('ColorP=FFFFFF');

ScrollBar1.TabOrder:=False;

uses Jpeg;

Image1.Picture.LoadFromFile('C:\sciezka\nazwa.jpeg');

procedure TForm1.DopasujRozmiarObrazu(wMax,hMax: Integer);
begin
Image1.Width:=wMax;
Image1.Height:=hMax;
Image1.Proportional:=True;
Image1.Stretch:=True;
end;

uses MMsystem;

procedure TForm1.Alarm;
var natezenie: Double;
begin
natezenie:=0.25;
waveOutSetVolume(-1,((Round(65535*natezenie)) shl 16)+Round(65535*natezenie));
MediaPlayer1.FileName:='alarm.wav';
MediaPlayer1.Open;
MediaPlayer1.Play;
end;

procedure TForm1.PrzestawFocus;
var wc: TWinControl;
begin
wc:=Screen.ActiveControl;
Button1.SetFocus;
wc.SetFocus;
end;

ActiveControl:=wc;

uses StdCtrls;

procedure TForm1.GenerujLabel;
var nowyLabel: TLabel;
begin
nowyLabel:=TLabel.Create(Form1);
nowyLabel.Parent:=Form1;
nowyLabel.Name:=Label1;
nowyLabel.Caption:='Label1';
nowyLabel.Left:=10;
nowyLabel.Top:=10;
nowyLabel.Font.Name:='Verdana';
nowyLabel.Font.Size:=10;
nowyLabel.Font.Style:=[fsBold];
nowyLabel.OnClick:=LabelClick;
end;

procedure TForm1.LabelClick(Sender: TObject);
begin
(Sender as TLabel).Caption:='To jest '+(Sender as TLabel).Name;
end;

TLabel(FindComponent('Label'+IntToStr(1))).Caption:='tekst';

function TForm1.KolorToHex(c: TColor): String;
var r,g,b: Integer;
begin
r:=GetRValue(c);
g:=GetGValue(c);
b:=GetBValue(c);
Result:=AnsiLowerCase('#'+IntToHex(r,2)+IntToHex(g,2)+IntToHex(b,2));
end;

Halt;

var
  h: THandle;

procedure TForm1.FormCreate(Sender: TObject);
begin
h:=CreateFileMapping(THandle($FFFFFFFF),nil,PAGE_READONLY,0,32,PChar('iDeNtYfIkAtOr'));
if GetLastError=ERROR_ALREADY_EXISTS 
 then Halt;
end;

procedure TForm1.FormDestroy(Sender: TObject);
begin
CloseHandle(h);
end;

FatalAppExit(0,'Wystąpił błąd 408E a to bardzo źle...');

private
 procedure MyAppException(Sender: TObject; e: Exception);

procedure TForm1.FormCreate(Sender: TObject);
begin
Application.OnException:=MyAppException;
end;

procedure TForm1.MyAppException(Sender: TObject; e: Exception);
begin
//tu można wpisać polecenia wykonywane w przypadku dowolnego błędu
end;

ShowMessage('Pierwsza linia'+Chr(13)+Chr(10)+'Druga linia'+#13#10+'Trzecia linia');

if MessageBox(0,'Pytanie','Potwierdzenie',MB_YESNO)=mrYes
 then ShowMessage('Wcisnieto Tak');
 else ShowMessage('Wcisnieto Nie');

case MessageDlg('Pytanie',mtConfirmation,[mbOk,mbCancel,mbAbort,mbRetry,mbIgnore,mbYes,mbNo],0) of
 1: ShowMessage('Wcisnieto OK);
 2: ShowMessage('Wcisnieto Cancel lub zamknięto okno pytania krzyżykiem);
 3: ShowMessage('Wcisnieto Abort);
 4: ShowMessage('Wcisnieto Retry);
 5: ShowMessage('Wcisnieto Ignore);
 6: ShowMessage('Wcisnieto Yes);
 7: ShowMessage('Wcisnieto No);
 end;

private
 procedure SetInputBoxPasswordChar(var msg: TMessage); message WM_USER+200;

procedure TForm1.SetInputBoxPasswordChar(var msg: TMessage);
var hInputForm,hEdit: HWND;
begin
hInputForm:=Screen.Forms[0].Handle;
if (hInputForm<>0)
 then
  begin
  hEdit:=FindWindowEx(hInputForm,0,PChar('TEdit'),nil);
  SendMessage(hEdit,EM_SETPASSWORDCHAR,Ord('*'),0);
  end;
end;

procedure TForm1.UstalHaslo;
var haslo: String;
begin
PostMessage(Handle,WM_USER+200,0,0);
haslo:=InputBox('','Hasło:','');
end;

uses Classes;

type
  TWatek = class(TThread)
  private
    n,x: Integer;
    procedure Procedura;
    procedure ProceduraKoncowa;
  protected
    procedure Execute; override;
  public
    constructor Create(numer: Integer);
  end;

implementation

constructor TWatek.Create(numer: Integer);
begin
inherited Create(True);
n:=numer;
x:=0;
end;

procedure TWatek.Execute;
begin
FreeOnTerminate:=True;
while not Terminated do
 begin
 x:=x+1;
 Sleep(100);
 Synchronize(Procedura);
 end;
Synchronize(ProceduraKoncowa);
end;

procedure TWatek.Procedura;
begin
TLabel(Form1.FindComponent('Label'+IntToStr(n))).Caption:=IntToStr(x);
end;

procedure TWatek.ProceduraKoncowa;
begin
TLabel(Form1.FindComponent('Label'+IntToStr(n))).Caption:='koniec';
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
watek1:=TWatek.Create(1);
watek2:=TWatek.Create(2);
watek1.Priority:=tpLower;
watek1.Resume;
watek2.Resume;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
watek1.Suspend;
end;

procedure TForm1.Button3Click(Sender: TObject);
begin
watek1.Resume;
end;

procedure TForm1.Button4Click(Sender: TObject);
begin
watek1.Terminate;
end;

function TForm1.ListaPartycji: String;
var p: Char;
begin
Result:='';
for p:='A' to 'Z' do
 if GetDriveType(PChar(p+':\'))=DRIVE_FIXED
  then Result:=Result+p;
end;

procedure TForm1.PrzestrzenDyskowa;
var bajtyWolne,pojemnoscDysku: Int64;
begin
if SysUtils.GetDiskFreeSpaceEx(PChar('C:\'),bajtyWolne,pojemnoscDysku,nil)
 then ShowMessage('Dysk C ma '+IntToStr(pojemnoscDysku)+' bajtów ('+IntToStr(bajtyWolne)+' wolnych)');
end;

uses Tlhelp32;

function TForm1.NumerSeryjnyPartycji(p: String): DWORD;
var cBuffer: array [0..255] of Char; maxCompLength,fileSystemFlags,serial: DWORD;
begin
GetVolumeInformation(PChar(p+':\'),cBuffer,SizeOf(cBuffer)
 ,@serial,maxCompLength,fileSystemFlags,nil,0);
Result:=serial;
end;