unit Unit1;
interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TForm1 = class(TForm) Button1: TButton; Label1: TLabel; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.Button1Click(Sender: TObject); var DCDesk: HDC; begin DCDesk:=GetWindowDC(GetDesktopWindow); BitBlt(Form1.Canvas.Handle, 0, 0, Screen.Width, Screen.Height,DCDesk, 0, 0,SRCCOPY); ReleaseDC(GetDesktopWindow, DCDesk); end; end. |
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