Connecting to Excel with Interop


Friedrich Geisler-Buckert
 

Hi all,

i'm going crazy with the Interop.

This very simple progam in Visual Studio works fine


It just starts an empty EXCEL

Tryping to to the same with xpa 4.7:

Declaration of the variable works fine:


Trying to start a constructor:




"Can not create an instance of an abstract class or interface"

I can understand this message, but why is this in Visual studio possible?

Regards
Friedrich

Join main@magicu-l.groups.io to automatically receive all group messages.