C / C++ / MFC

Mark Salsbery wrote:

By default the ESC key causes a WM_COMMAND IDCANCEL

Mark Salsbery wrote:

Maybe look for WM_KEYDOWN/WM_KEYUP messages for the ESC key and do nothing in response.

prasad_som wrote:

No, it doesn't.

prasad_som wrote:

What about not dispatching the message if its due to escape key pressed ?

Mark Salsbery wrote:

Which is what I meant by do nothing.

Mark Salsbery wrote:

I don't do English as good as y'all.

prasad_som wrote:

ou talked about handling WM_KEYDOWN message. But Instaead PreTranslateMessage would be better place,

prasad_som wrote:

But Instaead PreTranslateMessage would be better place, I wanted to underscore that.

Mark Salsbery wrote:

Maybe look for WM_KEYDOWN/WM_KEYUP messages for the ESC key and do nothing in response.

NeilDevlin wrote:

How do I prevent the escape key, when pressed, from closing a dialog window?

ThatsAlok wrote:

handle onCancel virtual function of CDialog Class

brahmma wrote:

Am I right?

// Called when user clicks the close button
void CMyDialog::OnClose()
{
    CDialog::OnCancel();
}
 
// called when user presses ESC button or clicks IDCANCEL button
void CMyDialog::OnCancel()
{
    // Do nothing
}

BOOL CMyDlg::PreTranslateMessage(MSG* pMsg)
{
if (pMsg->message == WM_KEYDOWN)
{
int nKey = pMsg->wParam ;
if ( nKey == VK_ESCAPE )
{
  return TRUE; 
}
}
return CDialog::PreTranslateMessage(pMsg);
}