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开关灯检测报警信息结构体。
struct{
DWORD dwSize;
NET_VCA_DEV_INFO struDevInfo;
NET_DVR_TIME_EX struTime;
BYTE byLampStatus;
BYTE byRes1[3];
DWORD dwPicDataLen;
char *pPicData;
BYTE byRes[64];
}NET_DVR_SWITCH_LAMP_ALARM,*LPNET_DVR_SWITCH_LAMP_ALARM;
NET_DVR_SetDVRMessageCallBack_V31 NET_DVR_StartListen_V30