Использование ловушек, блокировка мышки, клавиатуры и т.д.

Code:

type

TForm1 = class(TForm)

   procedure FormCreate(Sender: TObject);

   procedure FormDestroy(Sender: TObject);

protected

   procedure hotykey(var msg: TMessage); message WM_HOTKEY;

end;

var

Form1: TForm1;

id, id2: Integer;

implementation

{$R *.DFM}

procedure TForm1.hotykey(var msg: TMessage);

begin

if (msg.LParamLo = MOD_CONTROL) and (msg.LParamHi = 81) then

   begin

     ShowMessage('Ctrl + Q wurde gedrьckt !');

   end;

if (msg.LParamLo = MOD_CONTROL) and (msg.LParamHi = 82) then

   begin

     ShowMessage('Ctrl + R wurde gedrьckt !');

   end;

end;

procedure TForm1.FormCreate(Sender: TObject);

begin

id := GlobalAddAtom('hotkey');

RegisterHotKey(handle, id, mod_control, 81);

id2 := GlobalAddAtom('hotkey2');

RegisterHotKey(handle, id2, mod_control, 82);

end;

procedure TForm1.FormDestroy(Sender: TObject);

begin

UnRegisterHotKey(handle, id);

UnRegisterHotKey(handle, id2);

end;