protected unsafe void EnableActionSeekSecondAbsolute()
        {
            iCallbackSeekSecondAbsolute = new CallbackSeekSecondAbsolute(DoSeekSecondAbsolute);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceLinnCoUkRadio1EnableActionSeekSecondAbsolute(iHandle, iCallbackSeekSecondAbsolute, ptr);
        }
 static extern void DvServiceLinnCoUkRadio1EnableActionSeekSecondAbsolute(uint aHandle, CallbackSeekSecondAbsolute aCallback, IntPtr aPtr);