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I have an ObservableCollection which contains view models of multiple types, and I would like to make a DataTemplate for each type within each of my GridViewColumn's CellTemplates. In this simple example I could create a base ViewModel, but I would like to be able to do this just from xaml. The xaml below shows what I am trying to do, where one of the DataTemplates would be used for each CellTemplate. If there were a GridViewColumn.Resources I would define the DataTemplates there then use a a DataTemplate with ContentPresenter in the CellTemplate, but I obviously can't do that. I'm thinking I may need a TemplateSelector, but I'm not sure where to start. <ListView ItemsSource={Binding GenericObservableCollection> <ListView.View> <GridView> <GridViewColumn Header="Type"> <GridViewColumn.CellTemplate> <DataTemplate DataType="{x:Type vm:ActionInputViewModel}"> <TextBlock Text="Input"/> </DataTemplate> <DataTemplate DataType="{x:Type vm:ActionOutputViewModel}"> <TextBlock Text="Output"/> </DataTemplate> </GridViewColumn.CellTemplate> </GridViewColumn> <GridViewColumn Header="Value"> <GridViewColumn.CellTemplate> <DataTemplate DataType="{x:Type vm:ActionInputViewModel}"> <TextBlock Text="{Binding Property1}"/> </DataTemplate> <DataTemplate DataType="{x:Type vm:ActionOutputViewModel}"> <TextBlock Text="{Binding Property2}"/> </DataTemplate> </GridViewColumn.CellTemplate> </GridViewColumn> </GridView> </ListView.Vie

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