The kind of grips a CustomObjectGrips presents. Several Rhino commands dispatch on this, so claiming a control point type is what lets a plug-in's grips reach code paths otherwise reserved for Rhino's own curve and surface control points.

TurnOnGripsEventHandler

Rhino.DocObjects.Custom.TurnOnGripsEventHandler

UnknownUserData

Rhino.DocObjects.Custom.UnknownUserData

Represents user data with unknown origin.

UserData

Rhino.DocObjects.Custom.UserData

Provides a base class for custom classes of information which may be attached to geometry or attribute classes.

UserDataList

Rhino.DocObjects.Custom.UserDataList

Represents a collection of user data.

UserDataListEnumerator

Rhino.DocObjects.Custom.UserDataListEnumerator

Enumerator for UserDataList

UserDictionary

Rhino.DocObjects.Custom.UserDictionary

Defines the storage data class for a user dictionary.