Returns an ObjectIdCollection of slope labels on the specified surface.
public static ObjectIdCollection GetAvailableSurfaceSlopeLabelIds( ObjectId surfaceId )
Public Shared Function GetAvailableSurfaceSlopeLabelIds ( surfaceId As ObjectId ) As ObjectIdCollection
public: static ObjectIdCollection^ GetAvailableSurfaceSlopeLabelIds( ObjectId surfaceId )
| Exception | Condition |
|---|---|
| ArgumentException | Thrown when objectId of surface is invalid. |