protected unsafe void EnableActionLocate()
        {
            iCallbackLocate = new CallbackLocate(DoLocate);
            IntPtr ptr = GCHandle.ToIntPtr(iGch);

            DvServiceLinnCoUkComponent1EnableActionLocate(iHandle, iCallbackLocate, ptr);
        }
 static extern void DvServiceLinnCoUkComponent1EnableActionLocate(uint aHandle, CallbackLocate aCallback, IntPtr aPtr);