Problem by calling a VBA-AddIn-Function

Hello,

I have to call function of an Excel-AddIn an don’t know how to refer to it correctly.

I have the Excel-Application-Object and I can catch the AddIn (reading its properties).

But when I try to call one of the AddInns functions i got error 182(Instance member … does not exist)

Does anybody have an idea?

Regards

Torsten