IUIAutomation5::AddNotificationEventHandler method (uiautomationclient.h)
Registers a method that handles notification events.
Note Before implementing an event handler, you should be familiar with the threading issues described in Understanding Threading Issues.
Syntax
HRESULT AddNotificationEventHandler(
[in] IUIAutomationElement *element,
TreeScope scope,
[in] IUIAutomationCacheRequest *cacheRequest,
[in] IUIAutomationNotificationEventHandler *handler
);
Parameters
[in] element
Type: IUIAutomationElement*
A pointer to the UI Automation element associated with the event handler.
scope
[in] cacheRequest
Type: IUIAutomationCacheRequest*
A pointer to a cache request, or NULL if no caching is wanted.
[in] handler
Type: IUIAutomationNotificationEventHandler*
A pointer to the object that handles the notification event.
Return value
Type: HRESULT
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows 10, version 1709 [desktop apps only] |
Minimum supported server | Windows Server, version 1709 [desktop apps only] |
Target Platform | Windows |
Header | uiautomationclient.h (include UIAutomation.h) |
See also
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