ArcGIS Pro 2.7 API Reference Guide
OnDropDownOpened Method (CustomControl)

ArcGIS.Desktop.Framework.Contracts Namespace > CustomControl Class : OnDropDownOpened Method
If the CustomControl specifies the DAML attribute 'isDrop=true', this function is called whenever its drop-down is opened.
Syntax
protected internal virtual void OnDropDownOpened()
Protected Friend Overridable Sub OnDropDownOpened()
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

CustomControl Class
CustomControl Members

 

 

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