<WPFMediaKit> namspace nt defined VS 2012

Jun 10, 2013 at 2:57 PM
Edited Jun 10, 2013 at 4:06 PM
I am noob C# field pls hlp
I have added reference to WPFmdiakit.dll and ShaderEffectLibrary.dll System.Windows.Interactivity.dll but still in xaml
<WPFMediaKit:DvdPlayerElement x:Name="dvdPlayer" Stretch="Fill"  Volume="1" PlayOnInsert="true"  LoadedBehavior="Play"/>
it says namespace prefix <WPFMdiaKit> not defined