Unloads all KmlDocuments
associated with this central body. All associated visual features will be removed from the Scene.
Once a KmlDocument is unloaded, it is no longer valid and will throw when accessing properties or methods.
AGI.Foundation.Graphics (in AGI.Foundation.Graphics.dll) Version: 21.1.408.0 (21.1.408.0)
member UnloadAll : unit -> unit