Bindings inside CompositeCollection

Question

I want to create a TabControl with a number of \"static\" TabItems (explicitly typed in XAML) and a number of dynamically added TabItems. To achieve this I tried to use a Co

Answer 1

I had a similar scenario. To solve this I found the following article.

This post explains how to create a freezable proxy object that you can set your data context to. You then add this proxy as a resource that can be referenced as a static resource. See the following:

public class BindingProxy : Freezable
{
    public static DependencyProperty DataContextProperty = DependencyProperty.Register(
        "DataContext", typeof(object), typeof(BindingProxy), new UIPropertyMetadata(null));

    public object DataContext
    {
        get { return GetValue(DataContextProperty); }
        set { SetValue(DataContextProperty, value); }
    }

    protected override Freezable CreateInstanceCore()
    {
        return new BindingProxy();
    }
}

This can then be used in your xaml like this:

  
    
      Text1
      Text2