A collection containing a ModelPrimitive's available articulations. A ModelArticulation identifies geometry on the model and is a collection of transformations that can be applied to that geometry.

Contains	Returns true if the collection contains the articulation.
GetByName	Gets an articulation by name.
GetItemByString	Gets an articulation by name.

Count	Gets the number of articulations in the collection.
Item	Gets the articulation at the given index. The index is zero-based.

IAgStkGraphicsModelArticulation  | IAgStkGraphicsModelTransformation  | IAgStkGraphicsModelPrimitive