IUIAutomationActiveTextPositionChangedEventHandler interface

Exposes a method to handle Microsoft UI Automation events that occur when the active text position changes.

Note  This interface is implemented by the application to handle events that it has subscribed to by calling AddActiveTextPositionChangedEventHandler.



The IUIAutomationActiveTextPositionChangedEventHandler interface has these methods.

Method Description
IUIAutomationActiveTextPositionChangedEventHandler::HandleActiveTextPositionChangedEvent Handles a Microsoft UI Automation active text position change event.


Before implementing an event handler, you should be familiar with the threading issues described in Understanding Threading Issues.


Minimum supported client Windows 10, version 1809 [desktop apps only]
Minimum supported server Windows Server, version 1709 [desktop apps only]
Target Platform Windows
Header uiautomationclient.h (include UIAutomation.h)

See Also

Event Handling Interfaces for Clients