The ReferenceWithContext type exposes the following members.
Properties
| Name | Description | |
|---|---|---|
 | IsValidObject | Specifies whether the .NET object represents a valid Revit entity. |
| Proximity | The proximity value to the ray's origin when the reference is returned by FindReferencesWithContextByDirection(XYZ, XYZ, View3D) or ReferenceIntersector.Find(XYZ, XYZ). |