ArcGIS Pro 2.6 API Reference Guide
OnEnter Method (ComboBox)

ArcGIS.Desktop.Framework.Contracts Namespace > ComboBox Class : OnEnter Method
Invoked when the 'Enter' key is pressed inside the combo box's textbox.
Syntax
protected internal virtual void OnEnter()
Protected Friend Overridable Sub OnEnter() 
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

ComboBox Class
ComboBox Members