Defines the feature selection environment.
|IPersist||Defines the single method GetClassID, which is designed to supply the CLSID of an object that can be stored persistently in the system. IPersist is the base interface for three other interfaces: IPersistStorage, IPersistStream, and IPersistFile.|
|ISelectionEnvironment||Provides access to members that control the selection environment.|
|ISelectionEnvironmentLayer||Provides access to members that control the behavior of invisible layers when a new selection is made.|
|ISelectionEnvironmentStorage||Provides access to members that controls whether objects save their selections.|
|ISelectionEnvironmentThreshold||Provides access to members that control the selection environment warning threshold.|