IUIAutomation4 interface

Extends the IUIAutomation3 interface to expose additional methods for controlling Microsoft UI Automation functionality.


The IUIAutomation4 interface has these methods.

Method Description
IUIAutomation4::AddChangesEventHandler Registers a method that handles change events.Note  Before implementing an event handler, you should be familiar with the threading issues described in Understanding Threading Issues.
IUIAutomation4::RemoveChangesEventHandler Removes a changes event handler.


Minimum supported client Windows 10, version 1607 [desktop apps only]
Minimum supported server Windows Server 2016 [desktop apps only]
Target Platform Windows
Header uiautomationclient.h (include UIAutomation.h)

See Also


UI Automation Element Interfaces for Clients