public static void AddAutomationEventHandler(AutomationEvent eventId, AutomationElement element, TreeScope scope, AutomationEventHandler eventHandler)
{
Utility.ValidateArgumentNonNull(element, "element");
Utility.ValidateArgumentNonNull(eventHandler, "eventHandler");
Utility.ValidateArgument(eventId != AutomationElement.AutomationFocusChangedEvent, "Use FocusChange notification instead");
Utility.ValidateArgument(eventId != AutomationElement.StructureChangedEvent, "Use StructureChange notification instead");
Utility.ValidateArgument(eventId != AutomationElement.AutomationPropertyChangedEvent, "Use PropertyChange notification instead");
try
{
BasicEventListener listener = new BasicEventListener(eventId, element, eventHandler);
Factory.AddAutomationEventHandler(
eventId.Id,
element.NativeElement,
(UIAutomationClient.TreeScope)scope,
CacheRequest.CurrentNativeCacheRequest,
listener);
ClientEventList.Add(listener);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static void RemoveAutomationEventHandler(AutomationEvent eventId, AutomationElement element, AutomationEventHandler eventHandler)
{
Utility.ValidateArgumentNonNull(element, "element");
Utility.ValidateArgumentNonNull(eventHandler, "eventHandler");
Utility.ValidateArgument(eventId != AutomationElement.AutomationFocusChangedEvent, "Use FocusChange notification instead");
Utility.ValidateArgument(eventId != AutomationElement.StructureChangedEvent, "Use StructureChange notification instead");
Utility.ValidateArgument(eventId != AutomationElement.AutomationPropertyChangedEvent, "Use PropertyChange notification instead");
try
{
BasicEventListener listener = (BasicEventListener)ClientEventList.Remove(eventId, element, eventHandler);
Factory.RemoveAutomationEventHandler(eventId.Id, element.NativeElement, listener);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static void RemoveAllEventHandlers()
{
try
{
Factory.RemoveAllEventHandlers();
ClientEventList.Clear();
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static void RemoveAutomationFocusChangedEventHandler(AutomationFocusChangedEventHandler eventHandler)
{
Utility.ValidateArgumentNonNull(eventHandler, "eventHandler");
try
{
FocusEventListener listener = (FocusEventListener)ClientEventList.Remove(AutomationElement.AutomationFocusChangedEvent, null, eventHandler);
Factory.RemoveFocusChangedEventHandler(listener);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static void AddAutomationFocusChangedEventHandler(AutomationFocusChangedEventHandler eventHandler)
{
Utility.ValidateArgumentNonNull(eventHandler, "eventHandler");
try
{
FocusEventListener listener = new FocusEventListener(eventHandler);
Factory.AddFocusChangedEventHandler(CacheRequest.CurrentNativeCacheRequest, listener);
ClientEventList.Add(listener);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static void RemoveStructureChangedEventHandler(AutomationElement element, StructureChangedEventHandler eventHandler)
{
Utility.ValidateArgumentNonNull(element, "element");
Utility.ValidateArgumentNonNull(eventHandler, "eventHandler");
try
{
StructureEventListener listener = (StructureEventListener)ClientEventList.Remove(AutomationElement.StructureChangedEvent, element, eventHandler);
Factory.RemoveStructureChangedEventHandler(element.NativeElement, listener);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
public static void AddAutomationPropertyChangedEventHandler(AutomationElement element, TreeScope scope, AutomationPropertyChangedEventHandler eventHandler, params AutomationProperty[] properties)
{
Utility.ValidateArgumentNonNull(element, "element");
Utility.ValidateArgumentNonNull(eventHandler, "eventHandler");
Utility.ValidateArgumentNonNull(properties, "properties");
if (properties.Length == 0)
{
throw new ArgumentException("AtLeastOnePropertyMustBeSpecified");
}
int[] propertyIdArray = new int[properties.Length];
for (int i = 0; i < properties.Length; ++i)
{
Utility.ValidateArgumentNonNull(properties[i], "properties");
propertyIdArray[i] = properties[i].Id;
}
try
{
PropertyEventListener listener = new PropertyEventListener(AutomationElement.StructureChangedEvent, element, eventHandler);
Factory.AddPropertyChangedEventHandler(
element.NativeElement,
(UIAutomationClient.TreeScope)scope,
CacheRequest.CurrentNativeCacheRequest,
listener,
propertyIdArray);
ClientEventList.Add(listener);
}
catch (System.Runtime.InteropServices.COMException e)
{
Exception newEx; if (Utility.ConvertException(e, out newEx))
{
throw newEx;
}
else
{
throw;
}
}
}
