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CFontDialog::GetCurentFont()  fails

Posted on 1997-06-07
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Last Modified: 2013-11-20
Hello,

I am invoking a create font dialog and after the user presses O.K.
I try to read out the selected font:

CFontDialog fontDialog;
int         result;
LOGFONT     fontInfo;

result = fontDialog.DoModal ()

if (result == IDOK)
{
   fontDialog.GetCurrentFont (&fontInfo);
}


The call to GetCurrentFont however results in a failed assertion
ASSERT(m_hWnd != NULL).

According to the documentation this function is intended to be called
after the user has pressed o.k. and the dialog is destroyed. So I cannot
understand the assertion.

Can you explain me whether this is right or wrong?

Bye
Wolfgang


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Question by:wth
2 Comments
 
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Accepted Solution

by:
MarkusLoibl earned 210 total points
ID: 1302001
Well, I use VC++ 5.0 and have tried your code. I didn't resolve any problems.
I stepped into the MFC-code and found, that it doesn't matter, if hWnd is NULL:
void CFontDialog::GetCurrentFont(LPLOGFONT lplf)
{
      ASSERT(lplf != NULL);

      if (m_hWnd != NULL)
            SendMessage(WM_CHOOSEFONT_GETLOGFONT, 0, (DWORD)(LPVOID)lplf);
      else
            *lplf = m_lf;
}

But under VC++1.52 I had the problems you describe.
But you can just use the "new"-code form VC++ 5.0:
      CFontDialog            fontDialog;
      int                        result;
      LOGFONT                  *pFontInfo;

      result = fontDialog.DoModal ();

      if (result == IDOK)
      {
            pFontInfo = &(fontDialog.m_lf);
      }


0
 

Author Comment

by:wth
ID: 1302002
excellent response time!

Thank you
Wolfgang
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