INFO: New Win 3.1 API Functions Not Wrapped by MFC

Last reviewed: July 22, 1997
Article ID: Q86464

The information in this article applies to:

The Microsoft Foundation Classes (MFC) included with:

    - Microsoft C/C++ version 7.0
    - Microsoft Visual C++ for Windows, versions 1.0, 1.5

SUMMARY

The following table shows the Microsoft Windows version 3.1 API functions that are not wrapped by the Microsoft Foundation Classes (MFC) and the reasons that they are not wrapped:

Windows 3.1 API                 Reason Not Wrapped
---------------                 ------------------

_hread                          Not handle-based
_hwrite                         Not handle-based
CallNextHookEx                  Not handle-based
CloseDriver                     Not graphical
CopyCursor                      Infrequently used
CopyIcon                        Infrequently used
CreateScalableFontResource      Not handle-based
DefDriverProc                   Did not wrap installable drivers
EnableCommNotification          Did not wrap comms
EnumFontFamilies                Infrequently used
GetAspectRatioFilterEx          Added for future Win32 compatibility*
GetBitmapDimensionEx            Added for future Win32 compatibility*
GetBrushOrgEx                   Added for future Win32 compatibility*
GetClipCursor                   Infrequently used
GetCurrentPositionEx            Added for future Win32 compatibility*
GetCursor                       Infrequently used
GetDriverInfo                   Did not wrap installable drivers
GetDriverModuleHandle           Did not wrap installable drivers
GetFreeSystemResources          Not handle-based
GetNextDriver                   Did not wrap installable drivers
GetRasterizerCaps               Not handle based
GetTextExtentEx                 Added for future Win32 compatibility*
GetTextExtentPoint              Added for future Win32 compatibility*
GetViewportOrgEx                Added for future Win32 compatibility*
GetWindowExtEx                  Added for future Win32 compatibility*
GetWindowOrgEx                  Added for future Win32 compatibility*
IsBadCodePtr                    Not handle-based
IsBadHugeReadPtr                Not handle-based
IsBadHugeWritePtr               Not handle-based
IsBadReadPtr                    Not handle-based
IsBadWritePtr                   Not handle-based
IsDBCSLeadByte                  Not handle-based
IsMenu                          Infrequently used
IsTask                          Infrequently used
LogError                        Not handle-based
LogParamError                   Not handle-based
lstrcpyn                        Not handle-based
MoveToEx                        Added for future Win32 compatibility*
OffsetViewportOrgEx             Added for future Win32 compatibility*
OffsetWindowOrgEx               Added for future Win32 compatibility*
OpenDriver                      Did not wrap installable drivers
ResetDC                         Not defined in WINDOWS.H
ScaleViewportOrgEx              Added for future Win32 compatibility*
ScaleWindowExtEx                Added for future Win32 compatibility*
SendDriverMessage               Did not wrap installable drivers
SetBitmapDimensionEx            Added for future Win32 compatibility*
SetViewportExtEx                Added for future Win32 compatibility*
SetWindowExtEx                  Added for future Win32 compatibility*
SetWindowOrgEx                  Added for future Win32 compatibility*
SetWindowsHookEx                Infrequently used
UnhookWindowsHookEx             Infrequently used

* MFC will hide the differences in parameters accepted by the Win API

  and the Win32 API, so there was no need to introduce into MFC these
  additional functions (usually ending in "Ex") to account for those
  differences.

Keywords : kb16bitonly MfcMisc kbinfo
Technology : kbmfc
Version : 1.0 1.5 7.0

THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY.

Last reviewed: July 22, 1997
© 1998 Microsoft Corporation. All rights reserved. Terms of Use.