IAgVmVOCrossSectionPlaneCollection Interface for defining collections of planar cross-sections for the volumetric grid.
  Add | Add a new plane to the collection. | 
  RemoveAll | Removes all elements from the collection. | 
  RemoveAt | Removes an element from the collection using specified index. | 
  Count | Returns the number of elements in a collection. | 
  Item | Given an index, returns an element in the collection. | 





