Result structure of ring search.
struct{
DWORD dwSize;
DWORD dwRingID;
BYTE byRingName[MAX_RING_NAME_LEN_128/*128*/];
DWORD dwRingSize;
BYTE byRingType;
BYTE byRes[303];
}NET_DVR_RING_SEARCH_CFG,*LPNET_DVR_RING_SEARCH_CFG;