ArcGIS Pro 2.7 API Reference Guide
ComboBoxItem Class
Members 

ArcGIS.Desktop.Framework.Contracts Namespace : ComboBoxItem Class
Represents a selectable item in a ComboBox
Syntax
public class ComboBoxItem 
Public Class ComboBoxItem 
Remarks

The default item template for ComboBox expects ComboBoxItems. If you're using a custom item template you can fill the combo box with whatever type is appropriate.

Inheritance Hierarchy

System.Object
   ArcGIS.Desktop.Framework.Contracts.ComboBoxItem

Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

ComboBoxItem Members
ArcGIS.Desktop.Framework.Contracts Namespace