Re: CloseAllDocuments does not ask about saving changes

From:
"Hans-J. Ude" <news@hajue-ude.de>
Newsgroups:
microsoft.public.vc.mfc
Date:
Mon, 7 Jan 2008 07:24:44 +0100
Message-ID:
<5uduuaF1hm8ujU1@mid.individual.net>
"Vaclav" <vjedlicka@atlas.cz> wrote

I need to implement the "close all documents" feature. I tried method
CWinapp::CloseAllDocuments(), but it does not ask whether to save dirty
documents. It closes them without asking. What am I doing wrong?


The question made me curious and first I can confirm the effect you
described, so I began trying a bit whith it. I came up with the following
code, which was mostly copied and modified from CFrameWnd::OnClose(). I
can't guarantee that it's really clean and works under all circumstances but
in a first quick test it seems to work. SaveAllModified() seems to be the
key here.

Hans

void CTestApp::OnCloseAll()
{
 CFrameWnd *pFrame = (CFrameWnd *) AfxGetMainWnd();
 ASSERT_VALID(pFrame);

 CDocument* pDocument = pFrame->GetActiveDocument();
 if (m_pMainWnd == pFrame)
 {
  // attempt to save all documents
  if (pDocument == NULL && !SaveAllModified())
   return; // don't close it

  // close all documents first
  CloseAllDocuments(FALSE);
 }
}

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