ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / TableView Class / CanGetHighlightedObjectIds Property
Example Version

CanGetHighlightedObjectIds Property (TableView)
Gets if the objectIds of the highlighted rows can be retrieved. The table view must be showing the Selected Records view.
Syntax
public bool CanGetHighlightedObjectIds {get;}
Example
Get highlighted row indexes
var tv = TableView.Active;
if (tv == null)
  return;

QueuedTask.Run(async () =>
{
  IReadOnlyList<long> highlightedOIDs = null;
  if (tv.CanGetHighlightedObjectIds)
    // get the set of selected objectIDs 
    highlightedOIDs = tv.GetHighlightedObjectIds();
});
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.1 or higher.
See Also