DOCUMENT:Q121665 07-MAY-2001 [visualc] TITLE :INFO: GetDescendantWindow - bOnlyPerm Parameter Incorrect PRODUCT :Microsoft C Compiler PROD/VER:: OPER/SYS: KEYWORDS:kbdocfix kbdocerr kbMFC KbUIDesign kbVC100bug kbVC150bug kbVC151bug kbVC152bug kbVC200b ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Foundation Classes (MFC), used with: - Microsoft Visual C++ for Windows, 16-bit edition, versions 1.0, 1.5, 1.51 - Microsoft Visual C++, 32-bit Editions, versions 1.0, 2.0, 2.1, 2.2 ------------------------------------------------------------------------------- SUMMARY ======= The documentation for CWnd::GetDescendantWindow incorrectly states: bOnlyPerm - Specifies whether the window to be returned can be temporary. If TRUE, the function can return a temporary window; if FALSE, only a permanent window can be returned. For more information on temporary windows see Technical Note 3 under MFC in Books Online. The behavior, as the parameter's name implies, is the opposite of how it is documented. The documentation for the bOnlyPerm parameter should state: bOnlyPerm - Specifies whether the window to be returned must be permanent. If TRUE, the function will return a pointer to a permanent CWnd object or NULL; if FALSE, the function can return a pointer to a temporary CWnd object. For more information on temporary windows see MFC Technical Note #3. NOTE: This problem was fixed in Microsoft Visual C++, 32-bit Edition, version 4.0. The 4.0 Books On-Line entry for CWnd::GetDescendantWindow() correctly documents the meanings of the various bOnlyPerm parameter values. Additional query words: 1.00 1.50 2.00 2.10 2.50 2.51 3.00 4.00 ====================================================================== Keywords : kbdocfix kbdocerr kbMFC KbUIDesign kbVC100bug kbVC150bug kbVC151bug kbVC152bug kbVC200bug kbVC400fix kbGrpDSMFCATL Technology : kbAudDeveloper kbMFC Version : : ============================================================================= 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. Copyright Microsoft Corporation 2001.