Instantiate an LBM Source object associated with a given context
and topic

C# |
public LBMSource( LBMContext lbmctx, LBMTopic lbmtopic )

- lbmctx (LBMContext)
- Context with which to associate the source
- lbmtopic (LBMTopic)
- LBMTopic used to initialize the source

Warning: It is not safe to call this constructor from a context thread callback.