渐变色窗口.txt

大量Delphi开发资料

procedure TForm1.FormPaint(Sender: TObject);
var i:word;
dy,y:real;
begin
  dy:=clientheight/256;
  y:=0;
  for i:=255 downto 0 do
    begin 
      canvas.brush.color:=$00000000+i*$10000;
      canvas.fillrect(rect(0,round(y),clientwidth,round(y+dy)));
      y:=y+dy;
    end;
  end;
end;