Each time wodTelnetDLX changes its state, StateChange
event will be fired. Sequence of these changes will go like
1. When you issue Connect
method, it will change to Connecting
2. Once connected, if Login and
properties are set, it will change internally to
3. If login is accepted (or was not specified), it will
change it state in Connected.
Now you can send your own commands.
4. Each time data is being received it will change its
state to Receiving
5. Each time you send the data, it will change its state to