I\'m trying to read the ActiveCell from within an Excel Add-in but not getting very far. Anyone any ideas?
Excel.Window W = this.Application.ActiveWindow as Exce
Is this of any use: http://social.msdn.microsoft.com/Forums/en-US/vsto/thread/f21c7cf4-fbfd-4496-a593-781eb751d580
It suggests turning off proxies for debugging purposes, hinting that the error message you are seeing may be masking a lower level COM error.