Gets whether the context attribute is marked as off.
Namespace: Programmer.Editor.Fixtures.ContextAttribute
ActionScript.SetProperty(Programmer.Editor.Fixtures.ContextAttribute.IsOff,[value])
http://[ip]:4430/titan/get/Programmer/Editor/Fixtures/ContextAttribute/IsOff
POST /titan/set/Programmer/Editor/Fixtures/ContextAttribute/IsOff