Does any one know how to change the font size of a control
box?  My control is created from the resource view.  I
looked into the property of the window.  But to do it from
there, once the font size is changed, the whole box is
enlarged, and every control on the dialog box will be
changed.  I would like to change the font size of a single
control box without changing the box size.  Please help

See if KB article

            Q85518 - INFO: Correct Use of the SetFont() Function in MFC

    helps you.

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Cheers
Check Abdoul [ VC++ MVP ]
-----------------------------------

You'll have to send it a WM_SETFONT message, and the easiest way is to bind
a control to it with ClassWizard and call SetFont on it. Make sure the font
outlives the control. One way is to add a CFont member variable to your
dialog class and use that font. To change just the font size, you first need
to obtain the control's current font. Here's how I added underlining to a
control's font, which is a similar problem:

   // This code was actually in the control's PreSubclassWindow override.
   CFont* pFont = GetFont();
   if (!pFont)
   {
      pFont = GetParent()->GetFont();
      if (!pFont)
      {
         if (HFONT hFont =
static_cast<HFONT>(GetStockObject(DEFAULT_GUI_FONT)))
            pFont = CFont::FromHandle(hFont);
      }
   }
   if (pFont)
   {
      LOGFONT lf;
      pFont->GetLogFont(&lf);
      lf.lfUnderline = true;
      if (m_font.CreateFontIndirect(&lf))
         SetFont(&m_font);
   }

--
Doug Harrison
Microsoft MVP - Visual C++