ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Desktop.Framework.Contracts Namespace / ComboBox Class / OnTextChange Method
The new string.

OnTextChange Method (ComboBox)
Invoked when the text in the combo box's textbox changes.
Syntax
protected internal virtual void OnTextChange( 
   string text
)

Parameters

text
The new string.
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also