Avalon Dock 2.0 LayoutItemTemplateSelector given ContentPresenter instead of ViewModel

Question

I\'ve been at this for weeks...I am creating a WPF application that uses Avalon Dock 2.0 in the the Main Window. I am trying to use the Docking Manager in a MVVM way, so I h

Answer 1

Change the definition for SelectTemplate on TestTemplateSelector as follows:

    public override DataTemplate SelectTemplate(object item, DependencyObject container)
    {
        //check if the item is an instance of TestViewModel
        if (item is TestViewModel)
            return TheTemplate;

        //delegate the call to base class
        return base.SelectTemplate(item, container);
    }

You should always check if the item passed is an instance of your target view model and if isn't, delegate the call to the base class so WPF can handle the objects you don't care about.