Currently Gateway doesn't hold any State values.
These values are read-only. However they reliably trigger updates and respond to gets.
Read-only State of Blackmagic Design's Videohub connected to this Gateway.
ConnectVideohub call to connect.
◦ VideohubDevice MAP
◦ InputLabels MAP
◦ OutputLabels MAP
◦ VideoOutputLocks MAP
◦ VideoOutputRouting MAP
Read-only The state of this Gateway's connection to Blackmagic Design's Videohub.
◦ IsConnected BOOLEAN
Whether we are connected to a Blackmagic Videohub.
◦ IP STRING
Last Blackmagic Videohub IP used.
◦ Port NUMBER
Last Blackmagic Videohub port used.