Microsoft KB Archive/105300

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INFO: COMCTL32 APIs Unsupported in the Win32 SDK


The information in this article applies to:

  • Microsoft Win32 Application Programming Interface (API), used with:
    • the operating system: Microsoft Windows NT, versions 3.5, 3.51
    • Microsoft Win32s version 1.2


The library COMCTL32.LIB was included in the Win32 SDK because the PERFMON sample makes use of it. The library is part of the Windows for Workgroups (WFW) COMMCTRL.LIB. However, Microsoft does not officially support COMCTL32.LIB or recommend the use of these application programming interfaces (APIs), and therefore they have not been documented in the SDK.

Microsoft does not recommend using these APIs, because Microsoft is providing the new controls in Windows 95, Windows NT 3.51, and Win32s 1.3.

If you must absolutely use COMCTL32 with earlier versions, the documentation can be found in the WFW SDK. Be aware that these APIs are unsupported, and code that you write will not work on Windows 95 and Windows NT 3.51.

Additional query words:

Keywords : kbCtrl kbOSWinNT310 kbOSWinNT350 kbOSWinNT351 kbGrpDSUser kbOSWin310
Issue type : kbinfo
Technology : kbAudDeveloper kbWin32sSearch kbWin32API

Last Reviewed: October 27, 2000
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