public static bool pl_cam_deregister_callback(Int16 hCam, PvTypes.PL_CALLBACK_EVENT callBackEvent) { if (m_is64bit) { return(Pvcam64.pl_cam_deregister_callback(hCam, callBackEvent)); } else { return(Pvcam32.pl_cam_deregister_callback(hCam, callBackEvent)); } }