ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Editing.Attributes Namespace / AttributeTabEmbeddableControl Class / SupportsMultiples Property
Version

SupportsMultiples Property
Gets if this control (and it's tab) support selection of multiple rows in the Attribute treeview. Default value is false.
Syntax
public virtual bool SupportsMultiples {get;}
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3.1 or higher.
See Also