Code:
unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls;
type
TForm1 = class(TForm)
Button1: TButton;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure ShowDesktop;
Begin
keybd_event( VK_LWIN, MapvirtualKey( VK_LWIN, 0), 0, 0 );
keybd_event( Ord('D'), MapvirtualKey( Ord('D'), 0), 0, 0 );
keybd_event( Ord('D'), MapvirtualKey( Ord('D'), 0), KEYEVENTF_KEYUP, 0 );
keybd_event( VK_LWIN, MapvirtualKey( VK_LWIN, 0), KEYEVENTF_KEYUP, 0 );
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
ShowDesktop
end;
end.