public void RemoveAutomationPropertyChangedEventHandler (IElement element, AutomationPropertyChangedEventHandler eventHandler)
{
if (element == null)
return;
ClientElement clientElement = element as ClientElement;
if (clientElement == null) {
Log.Error ("[ClientAutomationSource.RemoveAutomationPropertyChangedEventHandler] Not ClientElement");
return;
}
ClientEventManager.RemoveAutomationPropertyChangedEventHandler (
clientElement.Provider, eventHandler);
}