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Src/Xceed.Wpf.Toolkit/PropertyGrid/Implementation/Attributes/ItemsSourceAttribute.cs

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+/*************************************************************************************
+
+   Extended WPF Toolkit
+
+   Copyright (C) 2007-2013 Xceed Software Inc.
+
+   This program is provided to you under the terms of the Microsoft Public
+   License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license 
+
+   For more features, controls, and fast professional support,
+   pick up the Plus Edition at http://xceed.com/wpf_toolkit
+
+   Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
+
+  ***********************************************************************************/
+
+using System;
+
+namespace Xceed.Wpf.Toolkit.PropertyGrid.Attributes
+{
+  public class ItemsSourceAttribute : Attribute
+  {
+    public Type Type
+    {
+      get;
+      set;
+    }
+
+    public ItemsSourceAttribute( Type type )
+    {
+      var valueSourceInterface = type.GetInterface( typeof( IItemsSource ).FullName );
+      if( valueSourceInterface == null )
+        throw new ArgumentException( "Type must implement the IItemsSource interface.", "type" );
+
+      Type = type;
+    }
+  }
+}