[controller]

Нажатие кнопок... в активное и не активное окно, я этим играюсь на астериосе для кликера )

procedure PostKeyExHWND(hWindow: HWnd; key: Word;
          const shift: TShiftState;
  specialkey: Boolean);
type
  TBuffers = array [0..1] of TKeyboardState;
var
  pKeyBuffers: ^TBuffers;
  lParam: LongInt;
begin
  (* check if the target window exists *)
  if IsWindow(hWindow) then
  begin
    (* set local variables to default values *)
    pKeyBuffers := nil;
    lParam := MakeLong(0, MapVirtualKey(key, 0));
    (* modify lparam if special key requested *)
    if specialkey then
      lParam := lParam or $1000000;
    (* allocate space for the key state buffers *)
    New(pKeyBuffers);
    try
      (* Fill buffer 1 with current state so we can later restore it.
         Null out buffer 0 to get a "no key pressed" state. *)
      GetKeyboardState(pKeyBuffers^[1]);
      FillChar(pKeyBuffers^[0], SizeOf(TKeyboardState), 0);
      (* set the requested modifier keys to "down" state in the buffer*)
      if ssShift in shift then
        pKeyBuffers^[0][VK_SHIFT] := $80;
      if ssAlt in shift then
      begin
        (* Alt needs special treatment since a bit in
          lparam needs also be set *)
        pKeyBuffers^[0][VK_MENU] := $80;
        lParam := lParam or $20000000;
      end;
      if ssCtrl in shift then
        pKeyBuffers^[0][VK_CONTROL] := $80;
      if ssLeft in shift then
        pKeyBuffers^[0][VK_LBUTTON] := $80;
      if ssRight in shift then
        pKeyBuffers^[0][VK_RBUTTON] := $80;
      if ssMiddle in shift then
        pKeyBuffers^[0][VK_MBUTTON] := $80;
      (* make out new key state array the active key state map *)
      SetKeyboardState(pKeyBuffers^[0]);
      (* post the key messages *)
      if ssAlt in Shift then
      begin
        PostMessage(hWindow, WM_SYSKEYDOWN, key, lParam);
        PostMessage(hWindow, WM_SYSKEYUP, key, lParam or $C0000000);
      end
      else
      begin
        PostMessage(hWindow, WM_KEYDOWN, key, lParam);
        PostMessage(hWindow, WM_KEYUP, key, lParam or $C0000000);
      end;
      (* process the messages *)
      Application.ProcessMessages;
      (* restore the old key state map *)
      SetKeyboardState(pKeyBuffers^[1]);
    finally
      (* free the memory for the key state buffers *)
      if pKeyBuffers <> nil then
        Dispose(pKeyBuffers);
    end; { If }
  end;
end; { PostKeyEx }