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. | 





