detect more than 2 keys being pressed within a form?

Author: Radikal, Q3 Team

{

 I would like to detect more than 2 keys being pressed within a form.

 For example I would like to know if the user pressed    time. The onkeydown seems to only check for one or two keys max but surely

 you can determine what keys are currently down.

}

// You can use GetKeyState:

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;

 Shift: TShiftState);

begin

 If ((GetKeyState(VK_CONTROL) AND 128)=128) and

    ((GetKeyState(VK_F5)      AND 128)=128) and

    ((GetKeyState(ord('8'))   AND 128)=128)

   then

     ShowMessage('CTRL+F5+8 Pressed');

end;

( Remember: Form1.Keypreview := TRUE )

// Or you can read the entire KeyBoard Status,

// and later check for the three keys:

procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;

 Shift: TShiftState);

var

  KeybState: TKeyboardState;

begin

 GetKeyboardState(Teclado);

 If ( (KeybState[VK_CONTROL] and 128)=128 ) and

    ( (KeybState[VK_F5]      and 128)=128 ) and

    ( (KeybState[Ord('8')]   and 128)=128 )

   then

     ShowMessage('CTRL+F5+8 Pressed');

end;