usando Teclas de atalho Ctrl G

//In the main forms OnCreate
//handler assign the hotkey:

If not RegisterHotkey
    (Handle, 1, MOD_ALT or MOD_SHIFT, VK_F9) Then
     ShowMessage(´Unable to assign Alt-Shift-F9 as hotkey.´) ;

//In the main forms
//OnClose event remove the handler:

   UnRegisterHotkey( Handle, 1 ) ;

//Add a handler for the
//WM_HOTKEY message to the form:

   private // form declaration
     Procedure WMHotkey( Var msg: TWMHotkey ) ;
       message WM_HOTKEY;

Procedure TForm1.WMHotkey( Var msg: TWMHotkey ) ;
   Begin
     If msg.hotkey = 1 Then Begin
       If IsIconic( Application.Handle ) Then
         Application.Restore;
       BringToFront;
     End;
   End;

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
// Declare as seguintes variáveis globais
// Buffer : String;
// KeyCount : Word;
{
//Exemplo 1
//Verifica se digitou os seguintes caracteres
//e se o Alt está pressionado
if (Chr(VkKeyScan(Chr(Key))) in [´E´,´G´]) and (Shift = [ssAlt]) then
begin
Buffer := Buffer + AnsiUpperCase(Chr(VkKeyScan(Chr(Key))));
//verifica se está na ordem
if (Pos(´EGG´, Buffer) <> 0) then
begin
MessageDlg(´Achou um ovo de páscoa!´, mtInformation, [mbOK], 0);
Buffer := ´´;
end;
end
else
Buffer := ´´;
}
{
//Exmplo 2
//Deve-se pressionar Ctrl + Alt + E + G + G
if Shift= [ssCtrl,ssAlt] then
Case KeyCount of
0:if Key = 69 then Inc(KeyCount);
1:if Key = 71 then Inc(KeyCount);
2:if Key = 71 then Inc(KeyCount);
end
else
KeyCount := 0;

if KeyCount = 3 then
begin
ShowMessage(´Achou´);
KeyCount := 0;
end;
}
end;