Delphi Tutorial

How to Create Rounded Form

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You can create a gradient filled form to make form that is more beautiful. Continue Reading »

Hide the titlebar.
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If you want to prevent the user to move a window you have to hide the caption. This is done by changing the window attributes in the FormCreate event. Its also possible to set the property BorderStyle to ‘bsNone’, but than the window has no frame at all.
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function GetDesktopScreenShot:TBitmap;
var
Desktop:HDC;
begin
Result:= TBitmap.Create;
Desktop:= GetDC(0);
try
try
Result.PixelFormat := pf32bit;
Result.Width := Screen.Width;
Result.Height := Screen.Height;
BitBlt(Result.Canvas.Handle,0,0, Result.Width, Result.Height, Desktop,0,0,SRCCOPY);
Result.Modified := True;
finally
ReleaseDC(0,Desktop);
end;
except
Result.Free;
Result:=nil;
end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
Image1.Picture.Bitmap := GetDesktopScreenShot;
end;