DOCUMENT:Q167692 17-JUL-2001 [visualc] TITLE :FIX: Assertion Line 257 in File Dlgprop.cpp PRODUCT :Microsoft C Compiler PROD/VER:winnt:5.0 OPER/SYS: KEYWORDS:kbDlg kbMFC KbUIDesign kbVC500bug kbVS97sp1fix kbGrpDSMFCATL kbNoUpdate ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - The Microsoft Foundation Classes (MFC), used with: - Microsoft Visual C++, 32-bit Enterprise Edition, version 5.0 - Microsoft Visual C++, 32-bit Professional Edition, version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you display a property sheet using MFC (with DIALOG-type templates for the property pages) on a Windows 95 machine with ComCtl32 version 4.00 and MFC42X.dll version 4.21.7022, assertions occur on line 257 of DlgProp.cpp. An assertion is generated for each page that is present on the property sheet. CAUSE ===== This behavior is due to a bug in the code that checks whether the template is DIALOGEX type. RESOLUTION ========== The assertion can be safely ignored. STATUS ====== Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been corrected in Visual Studio 97 Service Pack 1. For additional information about the Visual Studio 97 Service Pack 1, please see the following article in the Microsoft Knowledge Base: Q170365 INFO: Visual Studio 97 Service Packs - What, Where, and Why MORE INFORMATION ================ Steps to Reproduce Behavior --------------------------- 1. Create an Appwizard-generated application. 2. Add code to display a Property Sheet with pages on it. 3. Make sure the dialog templates for the pages are the DIALOG type. 4. Compile the program and run it on a computer that has the versions of the DLLs mentioned above in the SUMMARY section. 5. Invoke the code to display the property sheet. (c) Microsoft Corporation 1997, All Rights Reserved. Contributions by Sridhar S. Madhugiri, Microsoft Corporation Additional query words: assert property page sheet ====================================================================== Keywords : kbDlg kbMFC KbUIDesign kbVC500bug kbVS97sp1fix kbGrpDSMFCATL kbNoUpdate Technology : kbAudDeveloper kbMFC Version : winnt:5.0 Issue type : kbbug Solution Type : kbfix ============================================================================= 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.