internal static extern bool SetOutputWMP(VisualizationBase.OutputContextType outputContextType, IntPtr hOutput);
internal static extern bool SetOutput(string vizName, VisualizationBase.OutputContextType outputContextType,
IntPtr hOutput, ref VisualizationBase.RECT rect);
internal static extern bool InitWMPEngine([MarshalAs(UnmanagedType.LPWStr)] string strVizCLSID, int presetIndex,
VisualizationBase.OutputContextType outputContextType, IntPtr callBack,
IntPtr hOutput, ref VisualizationBase.RECT rect);
internal static extern bool InitEngine([MarshalAs(UnmanagedType.LPWStr)] string vizName,
VisualizationBase.OutputContextType outputContextType,
SSCallbackDelegate ssCallback, IntPtr hOutput,
ref VisualizationBase.RECT rect);