public static bool pl_cam_register_callback_ex(Int16 hCam, PvTypes.PL_CALLBACK_EVENT callBackEvent, PvTypes.PMCallBack_Ex callback, IntPtr context) { if (m_is64bit) { return(Pvcam64.pl_cam_register_callback_ex(hCam, callBackEvent, callback, context)); } else { return(Pvcam32.pl_cam_register_callback_ex(hCam, callBackEvent, callback, context)); } }