public static extern Int32 SetIRArranging(UInt16 index, ref IRArranging irArranging);
public static extern Int32 GetIRArranging(UInt16 index, out IRArranging irArranging);
public static extern Int32 SetIRArranging(UInt16 index, ref IRArranging irArranging);
public static extern Int32 GetIRArranging(UInt16 index, out IRArranging irArranging);