Changing the Font Used by Dialog Controls in Windows

• Microsoft Windows Software Development Kit (SDK) versions 3.1
• Microsoft Win32 Application Programming Interface (API) included with:

      - Microsoft Windows NT versions 3.5 and 3.51
      - Microsoft Windows 95 version 4.0
  

In Windows 3.x, there are two ways to specify the font used by dialog controls:

1. The FONT statement can be used in the dialog template to specify the font used by ALL the controls in the dialog box.

   -or-

2. The WM_SETFONT message can be sent to one or more dialog controls during the processing of the WM_INITDIALOG message.

HWND hDlg; HFONT hDlgFont; LOGFONT lFont;

case WM_INITDIALOG:

    /* Get dialog font and create non-bold version */
    hDlgFont = NULL;
    if ((hDlgFont = (HFONT)SendMessage(hDlg, WM_GETFONT, 0, 0L))
             != NULL)
       {
       if (GetObject(hDlgFont, sizeof(LOGFONT), (LPSTR)&lFont)
                 != NULL)
          {
          lFont.lfWeight = FW_NORMAL;
          if ((hDlgFont = CreateFontIndirect(&lFont)) != NULL)
             {
             SendDlgItemMessage(hDlg, CTR1, WM_SETFONT, hDlgFont, 0L);
             // Send WM_SETFONT message to desired controls
             }
          }
       }
    else  // user did not specify a font in the dialog template
       {  // must simulate system font
       lFont.lfHeight = 13;
       lFont.lfWidth = 0;
       lFont.lfEscapement = 0;
       lFont.lfOrientation = 0;
       lFont.lfWeight = 200; // non-bold font weight
       lFont.lfItalic = 0;
       lFont.lfUnderline = 0;
       lFont.lfStrikeOut = 0;
       lFont.lfCharSet = ANSI_CHARSET;
       lFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
       lFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
       lFont.lfQuality = DEFAULT_QUALITY;
       lFont.lfPitchAndFamily = VARIABLE_PITCH | FF_SWISS;
       lFont.lfFaceName[0] = NULL;
       hDlgFont = CreateFontIndirect(&lFont);

       SendDlgItemMessage(hDlg, CTR1, WM_SETFONT, hDlgFont,
          (DWORD)TRUE);
       // Send WM_SETFONT message to desired controls
       }

   return TRUE;
   break;