DOCUMENT:Q157050 29-JUL-1999 [foxpro] TITLE :PRB: Loops of @..SAY Causes GPF PRODUCT :Microsoft FoxPro PROD/VER:3.00 3.00b 5.00 OPER/SYS: KEYWORDS:kberrmsg kbvfp300 kbvfp500 kbvfp600 ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual FoxPro for Windows, versions 3.0, 3.0b, 5.0, 6.0 ------------------------------------------------------------------------------- SYMPTOMS ======== WARNING: The information in this article has not been confirmed or tested by Microsoft. Some or all of the information in this article has been taken from unconfirmed customer reports. ANY USE BY YOU OF THE INFORMATION PROVIDED IN THIS ARTICLE IS AT YOUR OWN RISK. Microsoft provides this information "as is" without warranty of any kind, either expressed or implied, including but not limited to the implied warranties of merchantability and/or fitness for a particular purpose. Looping @...SAY might cause a General Protection Fault (GPF) in Windows 3.1 and Windows for Workgroups, and it might trigger one of the following error messages: VFP caused an invalid page fault in module kernal32.dll at
" under Windows 95 -or- Application Error : Access violation :
under Winnt3.51 WORKAROUND ========== Instead of displaying a Picture from the general field, issue the following command: @...SAY Bitmap STATUS ====== Microsoft is researching this behavior and will post new information here in the Microsoft Knowledge Base as it becomes available. MORE INFORMATION ================ Steps to Reproduce Behavior --------------------------- 1. Create a Table (name it Test) with a general field (name it Pic). 2. Embed a .bmp file into the general field Pic. 3. Execute the program as follows: CLOSE data SELECT 0 USE Test DO while .t. @ 1,1 SAY Pic ENDDO The amount of time the loop runs varies depending on your processor, memory, and operating system. Additional query words: kbdse vFoxWin ====================================================================== Keywords : kberrmsg kbvfp300 kbvfp500 kbvfp600 Technology : kbVFPsearch kbAudDeveloper kbVFP300 kbVFP300b kbVFP500 kbVFP600 Version : 3.00 3.00b 5.00 ============================================================================= 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 1999.