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var


  hhook,  callingwin: Cardinal;
  

const
  WM_HOOKMSG = WM_USER+6652;
  

function KBHookProc(nCode: Integer; wParam: WPARAM; lParam: LPARAM): LRESULT; stdcall;
var

  KeyboardLayout: HKL;
  LastKey       : Char;
  KeyState      : TKeyboardState;
  Key           : Word;

begin
  
Result := CallNextHookEx(hhook, nCode, wParam, lParam);
  if ( nCode<=0 )then exit;
  KeyboardLayout:=GetKeyboardLayout(0);
    GetKeyboardState(KeyState);
    if ToAsciiEx(wParam,MapVirtualKeyEx(wParam,2,KeyboardLayout),KeyState,@LastKey,0,KeyboardLayout)>0 then
      Key:=Ord(wParam)
    else
      Key:=wParam;
    //SendMessage(CallingWin, WM_HOOKMSG,wParam, lParam); das soll eigentlich gemacht werden

    MessageBox(0, LPCTSTR(IntToStr(CallingWin)), 'Hndle', 0);
    
  end;