Send a multicast immediate message on a specific topic to a queue. (UMQ only)


- queue (String)
- Queue to submit message to
- topic (String)
- Topic name to send message to or null for non-topic
- data (array< Byte >[]()[])
- Data to send in this message
- dataLength (Int32)
- Length (in bytes) of the data to send in this message
- flags (Int32)
- Flags indicating various conditions
- exinfo (LBMSourceSendExInfo)
- LBMSourceSendExInfo object, which includes flags to change callback behavior and a client-supplied object to be passed back.

Possible OR'd set of flag value include:
SRC_NONBLOCK, SRC_BLOCK, and MSG_FLUSH
Warning: It is not safe to call this method from a context thread callback.