Data structure to be sent for getting card information.
struct{ DWORD dwSize; BYTE byCardNo[ACS_CARD_NO_LEN/*32*/]; DWORD dwCardUserId; BYTE byRes[12]; }NET_DVR_CARD_CFG_SEND_DATA,*LPNET_DVR_CARD_CFG_SEND_DATA;
Structure size.
Card number.
Card holder ID.
Reserved, set to 0.