DOCUMENT:Q134215 26-APR-2001 [foxpro] TITLE :BUG: OLE SUBCLASS: Subclassing of OleControl/OLE Unspecified PRODUCT :Microsoft FoxPro PROD/VER::3.0,3.0b,5.0,5.0a,6.0 OPER/SYS: KEYWORDS:kberrmsg kbvfp300bBUG kbvfp500aBUG kbvfp500bugkbbuglist ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Visual FoxPro for Windows, versions 3.0, 3.0b, 5.0, 5.0a, 6.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When an OleControl is subclassed, the following error message appears in Visual FoxPro: OLE error code 0x80004005: Unspecified error. Visual FoxPro 5.0 generates this error message: Object class is invalid for this container. WORKAROUND ========== Create a new class with the name you want based on the subclass that was just created. STATUS ====== Microsoft has confirmed this to be a problem in the Microsoft products listed at the beginning of this article. MORE INFORMATION ================ Steps to Reproduce Problem -------------------------- 1. To create a new class, type the following code in the Command window: CREATE CLASS comm1 OF comms AS olecontrol 2. Select the "Create Control" option and then select the Microsoft Comm Control. 3. Click OK. 4. When the Class Designer comes up, save and close the new class. 5. To try to rename the new class, type the following in the Command window: RENAME CLASS comm1 OF comms TO mycomm At this point, Visual FoxPro generates the error. Additional query words: OLE control kbvfp500 kbvfp600 ====================================================================== Keywords : kberrmsg kbvfp300bBUG kbvfp500aBUG kbvfp500bug kbbuglist Technology : kbVFPsearch kbAudDeveloper kbVFP300 kbVFP300b kbVFP500 kbVFP600 kbVFP500a Version : :3.0,3.0b,5.0,5.0a,6.0 Issue type : kbbug ============================================================================= 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.