using System.Windows; namespace PMSWPF.Extensions { public class BindingProxy : Freezable { // Using a DependencyProperty as the backing store for Data. This enables animation, styling, binding, etc... public static readonly DependencyProperty DataProperty = DependencyProperty.Register("Data", typeof(object), typeof(BindingProxy), new UIPropertyMetadata(null)); public object Data { get { return (object)GetValue(DataProperty); } set { SetValue(DataProperty, value); } } protected override Freezable CreateInstanceCore() { return new BindingProxy(); } } }