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Removes this socket from a multicast group.

Component Version macOS Windows Linux Server iOS SDK
Socket 7.5 ✅ Yes ✅ Yes ✅ Yes ✅ Yes ✅ Yes
MBS( "Socket.DropMembership"; SocketID; MultiAddress; InterfaceAddress )   More


Parameter Description Example
SocketID The socket ID received by Socket.Connect function. $sock
MultiAddress The IPv4 address of the gorup to join.
InterfaceAddress The IPv4 address of the network interface to use. Can be empty for any interface.


Returns OK or error.


Removes this socket from a multicast group.
Internally this uses IPPROTO_IP/IP_DROP_MEMBERSHIP option.
Lasterror is set.

See also

Release notes

Blog Entries

This function is free to use.

Created 19th October 2017, last changed 19th October 2017

Socket.Connect - Socket.EnableKeepAlive