Provides further access to methods on 3D envelopes.
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server. 
Members
|  | Name | Description | 
|  | PutWKSCoordsZ | Copies e's 3D dimensions into this envelope. | 
|  | QueryWKSCoordsZ | Defines the specified 3D wksenvelope to be the current extent of this geometry in 3 dimension. | 
 
Classes that implement IEnvelope4
| Classes | Description | 
| Envelope | A rectangle with sides parallel to a coordinate system defining the extent of another geometry; optionally has min and max measure, height and ID attributes. |