/// <inheritdoc />
public override PropertyChangedEventHandlerBase RegisterPropertyChangedEvent(TreeScope treeScope, Action <SHAutomationElement, PropertyId, object> action, PropertyId[] properties)
{
var eventHandler = new UIA3PropertyChangedEventHandler(this, action);
var propertyIds = properties.Select(p => p.Id).ToArray();
Automation.NativeAutomation.AddPropertyChangedEventHandler(NativeElement,
(UIA.TreeScope)treeScope, null, eventHandler, propertyIds);
return(eventHandler);
}
public override IDisposable SubscribeToPropertyChangedEvent(TreeScope treeScope, Action <AutomationElement, PropertyId, object> action, PropertyId[] properties)
{
var eventHandler = new UIA3PropertyChangedEventHandler(this.Automation, action);
var propertyIds = properties.Select(p => p.Id).ToArray();
this.Automation.NativeAutomation.AddPropertyChangedEventHandler(
this.NativeElement,
(Interop.UIAutomationClient.TreeScope)treeScope,
null,
eventHandler,
propertyIds);
return(Disposable.Create(() => this.Automation.NativeAutomation.RemovePropertyChangedEventHandler(this.NativeElement, (UIA3PropertyChangedEventHandler)eventHandler)));
}
