DOCUMENT:Q318992 17-MAY-2002 [foxpro] TITLE :FIX: Fatal Exception in Edit Box with MS Active Accessibility PRODUCT :Microsoft FoxPro PROD/VER::7.0 OPER/SYS: KEYWORDS:kbContainer kbCtrl kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700 _IK283 kbVFP700sp1fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual FoxPro for Windows, version 7.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you use an edit box on a form, and you use the Accessible Event Watcher from the Microsoft Active Accessibility Software Development Kit (SDK),you may receive an error message that is similar to the following when you tab to the edit box, click the edit box with your mouse, or type in the edit box: Fatal error: Exception code=C0000005 @ 02/27/2002 8:41:09 PM. Error log file: C:\Program Files\Microsoft Visual FoxPro 7\vfp7err.log Called from - test line 5 {c:\test\test.prg c:\test\test.fxp} This error may also occur with screen reader products that use Active Accessibility. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Visual FoxPro for Windows 7.0. For additional information, please see the following article in the Microsoft Knowledge Base: Q316964 How to Obtain the Latest Visual FoxPro for Windows 7.0 Service Pack STATUS ====== Microsoft has confirmed this to be a problem in Microsoft Visual FoxPro for Windows 7.0. This problem was first corrected in Visual FoxPro for Windows 7.0 Service Pack 1. MORE INFORMATION ================ This can occur when you monitor the Value object property through Active Accessibility. Steps to Reproduce the Behavior ------------------------------- 1. Download the following files from Microsoft Active Accessibility 2.0 SDK Tools (http://www.msdn.Microsoft.com/downloads/default.asp?URL=/downloads/sample.asp?url=/msdn-files/027/001/785/msdncompositedoc.xml), and then save them in the same folder: - Accevent32.exe - Event32.dll 2. Start Visual FoxPro 7.0. Make sure that the Properties window is closed. 3. Run the Accessible Event Watcher (AccEvent32.exe) from the files that you downloaded. 4. On the Options menu in the Accessible Event Watcher, click Settings. 5. Under Object Properties, click Value, and then click OK. 6. Paste the following code in a program (.prg) file, and then run the program from the Command window: CREATE CURSOR cjunk (f1 m) APPEND BLANK ox = CREATEOBJECT('frm1') ox.show READ EVENTS DEFINE CLASS frm1 as Form showwindow = 2 ADD OBJECT text1 as textbox ADD OBJECT edit1 as editbox WITH top = 50, ; controlsource = 'cjunk.f1' PROCEDURE init THISFORM.Text1.SetFocus() ENDPROC PROCEDURE QUERYUNLOAD() CLEAR EVENTS THISFORM.Release() ENDPROC ENDDEFINE 7. Tab to the edit box, and then type any character. Note that you receive the error message that is described in the "Symptoms" section. Additional query words: ====================================================================== Keywords : kbContainer kbCtrl kbGrpDSFox kbDSupport kbCodeSnippet kbvfp700 _IK283 kbVFP700sp1fix Technology : kbVFPsearch kbAudDeveloper kbVFP700 Version : :7.0 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 2002.