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Automation.AddAutomationEventHandler Method
Definition
- Namespace:
- System.Windows.Automation
- Assembly:
- UIAutomationClient.dll
Important
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Registers a method that handles UI Automation events.
public:
static void AddAutomationEventHandler(System::Windows::Automation::AutomationEvent ^ eventId, System::Windows::Automation::AutomationElement ^ element, System::Windows::Automation::TreeScope scope, System::Windows::Automation::AutomationEventHandler ^ eventHandler);public static void AddAutomationEventHandler(System.Windows.Automation.AutomationEvent eventId, System.Windows.Automation.AutomationElement element, System.Windows.Automation.TreeScope scope, System.Windows.Automation.AutomationEventHandler eventHandler);static member AddAutomationEventHandler : System.Windows.Automation.AutomationEvent * System.Windows.Automation.AutomationElement * System.Windows.Automation.TreeScope * System.Windows.Automation.AutomationEventHandler -> unitPublic Shared Sub AddAutomationEventHandler (eventId As AutomationEvent, element As AutomationElement, scope As TreeScope, eventHandler As AutomationEventHandler)Parameters
- eventId
- AutomationEvent
The identifier for the event the method will handle.
- element
- AutomationElement
The UI Automation element to associate with the event handler.
- scope
- TreeScope
The scope of events to be handled; that is, whether they are on the element itself, or on its ancestors and descendants.
- eventHandler
- AutomationEventHandler
The method to call when the specified event occurs.
Remarks
Some classes, such as GridPattern, expose fields identifying events that are specific to the class. The AddAutomationEventHandler method provides a mechanism that enables you to register handlers for these events.
eventHandler can be an instance of the method, or a reference to the method (AddressOf in Visual Basic).
Applies to
See also
- RemoveAutomationEventHandler(AutomationEvent, AutomationElement, AutomationEventHandler)
- AddAutomationFocusChangedEventHandler(AutomationFocusChangedEventHandler)
- AddAutomationPropertyChangedEventHandler(AutomationElement, TreeScope, AutomationPropertyChangedEventHandler, AutomationProperty[])
- AddStructureChangedEventHandler(AutomationElement, TreeScope, StructureChangedEventHandler)
- Subscribe to UI Automation Events
- UI Automation Events Overview
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