[ CCode ( cname = "CLIENT_BACKEND_PROPERTY_OPENED" ) ]
[ Version ( deprecated = true , deprecated_since = "3.8" , since = "3.2" ) ]
public const string CLIENT_BACKEND_PROPERTY_OPENED
Warning: CLIENT_BACKEND_PROPERTY_OPENED is deprecated since 3.8.
The "opened" property is "TRUE" when the client is fully opened, "FALSE" at all other times.
Clients don't need to care if they're fully opened anymore.
This property will always return true.