ArcGIS Pro 2.6 API Reference Guide
Clear Method (ComboBox)

ArcGIS.Desktop.Framework.Contracts Namespace > ComboBox Class : Clear Method
Removes all the items from the internal collection.
Syntax
protected void Clear()
Protected Sub Clear() 
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

ComboBox Class
ComboBox Members