https://resources.arcgis.com/en/help/arcobjects-net/componentHelp/0025/0025000004w0000000.htm
INetElements.GetEIDs Method (ArcObjects .NET 10.1 SDK)
methodsdk
https://resources.arcgis.com/en/help/arcobjects-net/componentHelp/0025/0025000004w1000000.htm
INetElements.IsValidElement Method (ArcObjects .NET 10.1 SDK)
methodsdk
https://resources.arcgis.com/en/help/arcobjects-net/componentHelp/0025/0025000004vw000000.htm
INetElements.GetEID Method (ArcObjects .NET 10.1 SDK)
methodsdk