C / C++ / MFC

jeron1 wrote:

See here[^].

BOOL CtestmfcDlg::PreTranslateMessage(MSG* pMsg)
{
   if (pMsg->message == WM_KEYDOWN)
   {
      if (pMsg->wParam == VK_UP)
      {
         CWnd* prev = GetFocus()->GetNextWindow(GW_HWNDPREV);
         if (!prev) prev = GetFocus()->GetNextWindow(GW_HWNDLAST);
         if (prev) prev->SetFocus();
         return TRUE;
      }
      else if (pMsg->wParam == VK_DOWN)
      {
         CWnd* next = GetFocus()->GetNextWindow(GW_HWNDNEXT);
         if (!next) next = GetFocus()->GetNextWindow(GW_HWNDFIRST);
         if (next) next->SetFocus();
         return TRUE;
      }
   }

   return CDialog::PreTranslateMessage(pMsg);
}

...<br />
case VK_DOWN:<br />
	pMsg->wParam=VK_TAB;<br />
	BYTE byKeybState[256];<br />
	GetKeyboardState(byKeybState);         <br />
	byKeybState[VK_SHIFT] = !(BOOL)GetKeyState(VK_SHIFT);  // or TRUE<br />
	SetKeyboardState(byKeybState);<br />
	break;<br />
...<br />

if (GetAsyncKeyState shows Shift is pressed)
{
   use SendInput to send { Tab key press, Tab key release };
}
else
{
   use SendInput to send { Shift key press, Tab key press, Tab key release, Shift key release };
}