Problem adding ItemAdded event handler (IActiveViewEvents)

[EvanBlaisdell]

This is driving me batty.  I have an add-in that works fine on 10.1 but not 10.0.  With some judiciously placed breakpoints and exception catchers, I can see that the problem has to do with adding an ItemAdded event handler.  Please see the attached exception message (sorry about the redacted file names).

Does anyone have a clue how to make this work?

Thanks,
Evan.

[DuncanHornby]

Evan,

This is too vague I think you need to upload the code for anyone to have a chance to answer this question.