DOCUMENT:Q305247 24-AUG-2001 [foxpro] TITLE :FIX: Error Setting Property Named "Value" to Null in Class PRODUCT :Microsoft FoxPro PROD/VER::5.0,5.0a,6.0 OPER/SYS: KEYWORDS:kbOOP kbvfp kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700fix kbvfp700 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual FoxPro for Windows, versions 5.0, 5.0a, 6.0 ------------------------------------------------------------------------------- SYMPTOMS ======== If you create a class with a property named "Value", attempts to change this property to =NULL cause the following error: Fatal error: Exception code = C00000FD The error does not occur if you type .NULL. instead of =NULL (or =null). Note that "Value" is a reserved word in Visual FoxPro, and that naming a property or method after a reserved word is not recommended. STATUS ====== This problem was corrected in Visual FoxPro version 7.0 for Windows. MORE INFORMATION ================ Steps to Reproduce Behavior --------------------------- 1. Create and then run a program containing the following code: DELETE FILE testxx.vc? _CLIPTEXT = "value" KEYBOARD '{alt+c}{p}{ctrl+v}{alt+a}{alt+c}{ctrl+s}{alt+f}{c}' MODIFY CLASS test AS CUSTOM OF testxx MODIFY CLASS test AS CUSTOM OF testxx NOWAIT 2. In the Property sheet of the class, locate the Value property created in the program from step 1. 3. Change the value of the Value property from .F. to =NULL and press the UP ARROW key. A memory error appears and the program closes. Additional query words: ====================================================================== Keywords : kbOOP kbvfp kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700fix kbvfp700 Technology : kbVFPsearch kbAudDeveloper kbVFP500 kbVFP600 kbVFP500a Version : :5.0,5.0a,6.0 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.