ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / ComboBox Class / OnSelectionChange Method / OnSelectionChange(Object) Method
The selected item.
Version

OnSelectionChange(Object) Method
Invoked when the selected item changes and the collection is filled with custom items.
Syntax
protected internal virtual void OnSelectionChange( 
   object item
)

Parameters

item
The selected item.
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also