Event Identifiers (UIAutomationClient.h)

This topic describes the named constants used to identify Microsoft UI Automation events.

Constant/value	Description
UIA_ActiveTextPositionChangedEventId 20036	Identifies the event that is raised when the active text position changes, indicated by a navigation event within or between read-only text elements (such as web browsers, PDF documents, or EPUB documents) using bookmarks (fragment identifiers that refer to a location within a resource).
UIA_AsyncContentLoadedEventId 20006	Identifies the event that is raised when asynchronous content is being loaded. This event is used mainly by providers to indicate that asynchronous content-loading events have occurred.
UIA_AutomationFocusChangedEventId 20005	Identifies the event that is raised when the focus has changed from one element to another.
UIA_AutomationPropertyChangedEventId 20004	Identifies the event that is raised when the value of a property has changed.
UIA_ChangesEventId 20034	Identifies the event that is raised when a provider calls the UiaRaiseChangesEvent function.
UIA_Drag_DragCancelEventId 20027	Identifies the event that is raised when the user ends a drag operation before dropping an element on a drop target. This event is raised by the element being dragged. Supported starting with Windows 8.
UIA_Drag_DragCompleteEventId 20028	Identifies the event that is raised when the user drops an element on a drop target. This event is raised by the element being dragged. Supported starting with Windows 8.
UIA_Drag_DragStartEventId 20026	Identifies the event that is raised when the user starts to drag an element. This event is raised by the element being dragged. Supported starting with Windows 8.
UIA_DropTarget_DragEnterEventId 20029	Identifies the event that is raised when the user drags an element into a drop target's boundary. This event is raised by the drop target element. Supported starting with Windows 8.
UIA_DropTarget_DragLeaveEventId 20030	Identifies the event that is raised when the user drags an element out of a drop target's boundary. This event is raised by the drop target element. Supported starting with Windows 8.
UIA_DropTarget_DroppedEventId 20031	Identifies the event that is raised when the user drops an element on a drop target. This event is raised by the drop target element. Supported starting with Windows 8.
UIA_HostedFragmentRootsInvalidatedEventId 20025	Identifies the event that is raised when a change is made to the root node of a UI Automation fragment that is hosted in another element. Supported starting with Windows 8.
UIA_InputDiscardedEventId 20022	Identifies the event that is raised when the specified input was discarded or otherwise failed to reach any element.
UIA_InputReachedOtherElementEventId 20021	Identifies the event that is raised when the specified input reached an element other than the element for which the StartListening method was called.
UIA_InputReachedTargetEventId 20020	Identifies the event that is raised when the specified mouse or keyboard input reaches the element for which the StartListening method was called.
UIA_Invoke_InvokedEventId 20009	Identifies the event that is raised when a control is invoked or activated.
UIA_LayoutInvalidatedEventId 20008	Identifies the event that is raised when the layout of child items within a control has changed. This event is also used for Auto-suggest accessibility.
UIA_LiveRegionChangedEventId 20024	Identifies the event that is raised when the content of a live region has changed. Supported starting with Windows 8.
UIA_MenuClosedEventId 20007	Identifies the event that is raised when a menu is closed.
UIA_MenuModeEndEventId 20019	Identifies the event that is raised when a menu mode is ended.
UIA_MenuModeStartEventId 20018	Identifies the event that is raised when a menu mode is started.
UIA_MenuOpenedEventId 20003	Identifies the event that is raised when a menu is opened.
UIA_NotificationEventId 20035	Identifies the event that is raised when a provider calls the UiaRaiseNotificationEvent method.
UIA_Selection_InvalidatedEventId 20013	Identifies the event that is raised when a selection in a container has changed significantly.
UIA_SelectionItem_ElementAddedToSelectionEventId 20010	Identifies the event raised when an item is added to a collection of selected items.
UIA_SelectionItem_ElementRemovedFromSelectionEventId 20011	Identifies the event raised when an item is removed from a collection of selected items.
UIA_SelectionItem_ElementSelectedEventId 20012	Identifies the event that is raised when a call to the Select, AddToSelection, or RemoveFromSelection method results in a single item being selected.
UIA_StructureChangedEventId 20002	Identifies the event that is raised when the UI Automation tree structure is changed.
UIA_SystemAlertEventId 20023	Identifies the event that is raised when a provider issues a system alert. Supported starting with Windows 8.
UIA_Text_TextChangedEventId 20015	Identifies the event that is raised whenever textual content is modified.
UIA_Text_TextSelectionChangedEventId 20014	Identifies the event that is raised when the text selection is modified.
UIA_TextEdit_ConversionTargetChangedEventId 20033	Identifies the event that is raised whenever a composition replacement is performed by a control. Supported starting with Windows 8.1.
UIA_TextEdit_TextChangedEventId 20032	Identifies the event that is raised whenever text auto-correction is performed by a control. Supported starting with Windows 8.1.
UIA_ToolTipClosedEventId 20001	Identifies the event that is raised when a tooltip is closed.
UIA_ToolTipOpenedEventId 20000	Identifies the event that is raised when a tooltip is opened.
UIA_Window_WindowClosedEventId 20017	Identifies the event that is raised when a window is closed.
UIA_Window_WindowOpenedEventId 20016	Identifies the event that is raised when a window is opened.

Requirements

Requirement	Value
Minimum supported client	Windows XP [desktop apps | UWP apps]
Minimum supported server	Windows Server 2003 [desktop apps | UWP apps]
Header	UIAutomationClient.h

See also

UI Automation Events Overview