ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / SelectionSet Class / Item Property
The MapMember to check.

Item Property (SelectionSet)
Gets the list of objectIDs that are contained in the SelectionSet associated with the specified mapMember.
Syntax
public IList<long> this[ 
   MapMember mapMember
]; {get;}

Parameters

mapMember
The MapMember to check.

Property Value

a List of objectIDs.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 3.0 or higher.
See Also