BUG: OLE SUBCLASS: Subclassing of OleControl/OLE Unspecified

• 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 3.0 and 3.0b:

OLE error code 0x80004005: Unspecified error.

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. We are researching this problem and will post new information here in the Microsoft Knowledge Base as it becomes available.

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 

Additional query words: OLE control kbvfp500 kbvfp600

Keywords : kberrmsg kbVFp300bbug kbVFp500abug kbVFp500bug buglist3.00
Version : WINDOWS: 3.0,3.0b,5.0,5.0a,6.0
Platform : WINDOWS
Issue type : kbbug