I set a ContentControl in the right of Window, and set Content binding Items (it's type is ObservableCollection). Now I …
c# wpf mvvm contenttemplateselectorI have made a sample demo VS 2010 RC sample project, because in my production project I have the same error …
wpf datatemplate contenttemplateselectorOk... this has me stumped. I've overridden OnContentTemplateChanged in my UserControl. I'm checking that the value passed in for newContentTemplate …
wpf invalidoperationexception contenttemplateselector