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This topic describes the named constants used to identify Microsoft UI Automation events.
| Constant/value | Description |
|---|---|
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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). |
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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. |
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Identifies the event that is raised when the focus has changed from one element to another. |
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Identifies the event that is raised when the value of a property has changed. |
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Identifies the event that is raised when a provider calls the UiaRaiseChangesEvent function. |
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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. |
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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. |
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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. |
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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. |
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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. |
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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. |
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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. |
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Identifies the event that is raised when the specified input was discarded or otherwise failed to reach any element. |
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Identifies the event that is raised when the specified input reached an element other than the element for which the StartListening method was called. |
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Identifies the event that is raised when the specified mouse or keyboard input reaches the element for which the StartListening method was called. |
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Identifies the event that is raised when a control is invoked or activated. |
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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. |
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Identifies the event that is raised when the content of a live region has changed. Supported starting with Windows 8. |
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Identifies the event that is raised when a menu is closed. |
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Identifies the event that is raised when a menu mode is ended. |
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Identifies the event that is raised when a menu mode is started. |
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Identifies the event that is raised when a menu is opened. |
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Identifies the event that is raised when a provider calls the UiaRaiseNotificationEvent method. |
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Identifies the event that is raised when a selection in a container has changed significantly. |
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Identifies the event raised when an item is added to a collection of selected items. |
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Identifies the event raised when an item is removed from a collection of selected items. |
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Identifies the event that is raised when a call to the Select, AddToSelection, or RemoveFromSelection method results in a single item being selected. |
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Identifies the event that is raised when the UI Automation tree structure is changed. |
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Identifies the event that is raised when a provider issues a system alert. Supported starting with Windows 8. |
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Identifies the event that is raised whenever textual content is modified. |
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Identifies the event that is raised when the text selection is modified. |
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Identifies the event that is raised whenever a composition replacement is performed by a control. Supported starting with Windows 8.1. |
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Identifies the event that is raised whenever text auto-correction is performed by a control. Supported starting with Windows 8.1. |
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Identifies the event that is raised when a tooltip is closed. |
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Identifies the event that is raised when a tooltip is opened. |
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Identifies the event that is raised when a window is closed. |
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Identifies the event that is raised when a window is opened. |
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows XP [desktop apps | UWP apps] |
| Minimum supported server |
Windows Server 2003 [desktop apps | UWP apps] |
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