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wpf - Explicitly refresh DataTemplate from a DataTemplateSelector?

I set up a ContentControl.DataTemplateSelector to my desired one.
I want that according to a command or whatever, call the ContentControl to reselect the template from the selector by either xaml or code.

Thank

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Late to the party, I know. =)

When faced with this problem, I found it easiest to explicitly set a new TemplateSelector like

MyContentControl.ContentTemplateSelector =
     new MyDataTemplateSelector();

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