DOCUMENT:Q173254 07-JAN-2000 [mspress] TITLE :VB5 Step By Step: Page 24, Step 6 Causes Illegal Operation PRODUCT :Microsoft Press PROD/VER:: OPER/SYS: KEYWORDS: ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - MSPRESS Microsoft Visual Basic 5.0 Step by Step ISBN 1-57231-435-4 ------------------------------------------------------------------------------- SYMPTOMS ======== Microsoft Visual Basic 5.0 Step by Step, page 24 step 6, asks you to change the font properties for three labels. When you perform this step, you may see the following error message: This program has performed an illegal operation and will be shut down. If the problem persists, contact the program vendor. VB5 caused an invalid page fault in module VB5.EXE. The Visual Basic development environment will then close. CAUSE ===== This error is the result of a known bug in Microsoft Visual Basic 5.0. The following text is taken from the Readme.hlp file included with the Visual Basic 5.0 program: If the Properties window is floating, and two or more controls are selected, and you change the Font property of the controls using the floating Properties window, a program fault will occur in Visual Basic. WORKAROUND ========== In step 6, rather than changing the font property for all three labels simultaneously, change the font properties as shown for each label in succession. -or- Make sure the properties window is docked before beginnning the steps at the bottom of page 23. STATUS ====== Microsoft has confirmed this to be a bug in Microsoft Visual Basic 5.0 for Windows. This bug was corrected in Visual Studio 97 Service Pack 2 For more information on the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base: Q170365 INFO: Visual Studio 97 Service Packs - What, Where, and Why Additional query words: mspress ms_press press bookbug vbwin 5.0 1-57231- 435-4 ====================================================================== Keywords : Technology : kbMSPressSearch Version : : 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 2000.