FIX: Get_Item() Doesn't Find Property Defined on Ancestor Iface

ID: Q169303

The information in this article applies to:

• Microsoft Visual Studio 97
• Microsoft Visual Basic Learning, Professional, and Enterprise Editions for Windows, version 5.0

SYMPTOMS

IReposProperties::get_item does not always find property defined on an ancestor interface.

STATUS

Microsoft has confirmed this to be a bug in the Microsoft products listed at the beginning of this article. This has been fixed with Visual Studio Service Pack 1.

For additional information about the Visual Studio 97 Service Pack 1, please see the following article in the Microsoft Knowledge Base:

   ARTICLE-ID: Q170365
   TITLE     : INFO: Visual Studio 97 Service Packs - What, Where, and Why

MORE INFORMATION

Steps To Reproduce:

1. Create an interface hierarchy. For example, I1 -> I2 -> I3.

2. Create a propertydef with name "prop1" on I1.

3. Create a class that implements only I3.

4. Create an Instance of Class C.

5. QI, "QueryInterface," for "C's" I3 Interface.

6. I->get_Properties(&pIPropCol).

7. plPropCol->get_Item("Prop1", ....).

Expected result:

• Should return a property object which contains the dispid of this property and the value of Prop1.

• Returns a Bogus property object containing invalid dispid.

Keywords          : kbVBp500 kbVS97sp1fix kbVS97sp2fix kbvbp500sp1fix kbvbp500sp2fix 
Version           : 5.0 97
Platform          : NT WINDOWS
Issue type        : kbbug
Solution Type     : kbfix

Last Reviewed: December 20, 1997