ArcObjects Library Reference (EditorExt)  

IMapTopology Interface

Provides access to a Map topology, which is a collection of feature layers that can be edited using the arc 8.3 topology editing tools.

Product Availability

Available with ArcGIS Desktop.

Members

Description
Method AddClass Adds a feature class to this map topology. All existing topology elements will become invalid.
Read-only property Cache The collection of topology elements constructed from the feature classes in this map topology.
Read-only property Class A reference to the specified feature class in this map topology.
Read-only property ClassCount The count of feature classes currently participating in this map topology.
Method ClearClasses Removes all feature classes from this map topology. All existing topology elements will become invalid.
Read/write property ClusterTolerance The cracking/clustering tolerance used when constructing topology elements from the map topology's feature class collection.
Method FindClass Finds the zero-based index of the specified feature class.
Read/write property Name The name of this map topology.
Method RemoveClass Removes a feature class from this map topology. All existing topology elements will become invalid.
Read/write property SpatialReference The spatial reference of this map topology. By default, it is the spatial reference of the Map.

CoClasses that implement IMapTopology

CoClasses and Classes Description
MapTopology The current map topology.

Remarks

IMapTopology is the only interface currently used to control the MapTopology parameters. Use the members in this interface to define and modify the MapTopology.  A reference to a MapTopology class may be obtained from ITopologyExtension::MapTopology.