[Member name] ReceiveAllIgmpMulticast [Description] 
Enable receiving all Internet Group Management Protocol (IGMP) packets on the network. The socket must have address family InterNetwork, the socket type must be Raw, and the protocol type must be Igmp. The current user must belong to the Administrators group on the local computer, and the socket must be bound to a specific port. This control code is supported on Windows 2000 and later operating systems. This value is equal to the Winsock 2 SIO_RCVALL_IGMPMCAST constant.