Re: Realizing "confirm cancel" functionality with property sheets

"Tom Serface" <>
Thu, 27 Sep 2007 07:58:17 -0700
That's the better way to do it (OnQueryCancel()), but I thought you didn't
want to do that so I was presenting another way. You could, of course,
catch the WM_CLOSE message as well, but I'm glad you got it working. The
way you're going gives you a lot of flexibility.


"Martin" <> wrote in message

On Sep 24, 7:18 pm, "Tom Serface" <> wrote:

Hi Martin,

Try this,

Put in a handler message for cancel:

BEGIN_MESSAGE_MAP(CMySheet, CPropertySheet)

Then do the handler:

void CMySheet::OnCancel()
     if(AfxMessageBox("Do you want to cancel?",MB_YESNO) == IDYES) {
          //Any extra code you need
          EndModalLoop( IDCANCEL );


Don't forget this in your .h file:

 virtual void OnCancel();

You could do the same thing with IDOK if you wanted to check that too.

You can also use this to have one page communicate with the others (I.E.,
value changes or needs to be checked)



Thanks Tom. Though I was oblidged to go another way. Using 'OnCancel'
this way doesn't cover cases when user simply closes the property
sheet using cross or sysmenu. I decided to override 'OnQueryCancel'
for every page, and it seems to work normally, though the method can't
be called elegant.

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