MFC Dialog Font Substitution Under DBCS System

ID: Q152099

The information in this article applies to:

The Microsoft Foundation Classes (MFC), included with:
- Microsoft Visual C++, 32-bit Editions, versions 4.0, 4.1

SUMMARY

When an MFC application is run under a DBCS (Double-byte Character Set, including Japanese, Chinese and Korean) in Windows NT or Windows 95, the default font specified for the dialog boxes within that application will be changed to the system font if they were originally set as "MS Sans Serif" or "Helv" in the RC file.

MORE INFORMATION

CDialog::DoModal eventually calls the following code (excerpt from MFC source code dlgcore.cpp):


   // On DBCS systems, also change "MS Sans Serif" or "Helv" to system
           font.
   if ((!bSetSysFont) && GetSystemMetrics(SM_DBCSENABLED))
   {
      bSetSysFont = ((strFace == _T("MS Sans Serif")) ||
         (strFace == _T("Helv")));
      if (bSetSysFont && (wSize == 8))
         wSize = 0;
   }
   if (bSetSysFont)
   {
      CDialogTemplate dlgTemp(lpDialogTemplate);
      dlgTemp.SetSystemFont(wSize);
      hTemplate = dlgTemp.Detach();
   }

"MS Sans Serif" and "Helv" cannot correctly display double-byte strings. Therefore, under a DBCS-enabled system, dialog boxes need to use the system font instead.

This font substitution does not occur on non-DBCS versions of Windows NT or Windows 95.

Additional query words: 4.00 4.10 Kanji Hiragana Katakana Hangeul Hanzi

Keywords : kbIntlDev
Version : 4.00 4.10
Platform : NT WINDOWS
Issue type :