Represents an individual item index that is associated with a batch primitive. Provides the Index of the individual item and the Primitive that contains that index. When the PerItemPickingEnabled property is set to true for a batch primitive, the PickResults returned from Scene.Pick will contain BatchPrimitiveIndex types referencing particular indices within that batch.

Index	The index of the item contained by the Primitive.
Primitive	The Primitive that contains the item at the Index specified.