Pushing missing changes

MediaBrowser.UI.Controls/BaseUserControl.cs

@@ -0,0 +1,21 @@
+using System.ComponentModel;
+using System.Windows.Controls;
+
+namespace MediaBrowser.UI.Controls
+{
+    /// <summary>
+    /// Provides a base class for all user controls
+    /// </summary>
+    public abstract class BaseUserControl : UserControl
+    {
+        public event PropertyChangedEventHandler PropertyChanged;
+
+        public virtual void OnPropertyChanged(string name)
+        {
+            if (PropertyChanged != null)
+            {
+                PropertyChanged(this, new PropertyChangedEventArgs(name));
+            }
+        }
+    }
+}