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I have a jumplist that is bound to List<T> where T is a C# object i have written. I use the DisplayMemberPath property to ensure the correct property of "T" is displayed in the list. Everything works as expected, unless I click the group header. When i click the group header, I receive an InvalidOperationException with a message "Can not set Item Template and DisplayMemberPath simultaneously". When I take off the DisplayMemberPath declaration, the control functions without any problems (except the text is obviously just the ToString of T).