DOCUMENT:Q171523 11-JAN-2001 [vbwin] TITLE :FIX: Reference to Missing Member in Enum Definition Causes Crash PRODUCT :Microsoft Visual Basic for Windows PROD/VER:5.0 OPER/SYS: KEYWORDS:kbVBp500 kbVS97sp2fix kbGrpDSVB kbvbp500sp2fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual Basic Control Creation Edition for Windows, version 5.0 - Microsoft Visual Basic Learning Edition for Windows, version 5.0 - Microsoft Visual Basic Professional Edition for Windows, version 5.0 - Microsoft Visual Basic Enterprise Edition for Windows, version 5.0 ------------------------------------------------------------------------------- SYMPTOMS ======== Trying to reference a non-existent member in an Enum definition will cause Visual Basic 5.0 to crash. STATUS ====== Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This bug has been fixed 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 For a list of the Visual Basic 5.0 bugs that were fixed in the Visual Studio 97 Service Pack 2, please see the following article in the Microsoft Knowledge Base: Q171554 INFO: Visual Basic 5.0 Fixes in Visual Studio 97 Service Pack 2 MORE INFORMATION ================ Below are two methods for reproducing the problem: Method 1 -------- 1. Start Visual Basic 5.0 and create a new Standard EXE project. 2. Add a new Module (Module1) to the project. 3. Paste the following code into the General Declarations area of Module1: Public Enum CrashMe Crash1 = Not (Crash0) End Enum 4. Invoke the Object Browser by pressing the F2 key, or press the F5 key to run the application. Visual Basic will crash with an Application Error. Method 2 -------- 1. Repeat steps 1, 2, and 3 from Method 1. 2. Create a new subroutine named Test in the basic Module. 3. Type the following in the General Declarations section of Module1: Public Sub Test() Dim X As 4. Press the spacebar. Visual Basic will crash with an Application Error. NOTE: The program will not crash if you define Crash0 in the declare of the Enum type. Additional query words: ====================================================================== Keywords : kbVBp500 kbVS97sp2fix kbGrpDSVB kbvbp500sp2fix Technology : kbVBSearch kbAudDeveloper kbZNotKeyword6 kbZNotKeyword2 kbVB500Search kbVBA500Search kbVBA500 kbVB500 kbZNotKeyword3 Version : 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.