/// <summary>
/// Removes the <see cref="FrameworkElement"/> with the given <see cref="EventDefinition"/> from Tracking.
/// </summary>
/// <param name="element"></param>
/// <param name="event"></param>
private void RemoveEventHandler(FrameworkElement element, EventDefinition @event)
{
IEnumerable <KeyValuePair <FrameworkElementEvent, Delegate> > registerd = null;
if (@event.AssignRecursively || [email protected](element))
{
registerd = EventDelegates.Where(i => i.Key.Event.Equals(@event)).ToList();
}
else
{
var key = new FrameworkElementEvent(element, @event, Element);
registerd = EventDelegates.Where(i => i.Key.Equals(key)).ToList();
}
if (registerd.Count() > 0)
{
foreach (var item in registerd)
{
var info = @event.GetEventInfo(item.Key.Element.GetType());
info.RemoveEventHandler(item.Key.Element, item.Value);
EventDelegates.Remove(item.Key);
Config.Instance.WriteLog(this, $"Removed {item.Key?.Element?.ToString()} with EventType {item.Key?.Event?.EventType.ToString()} to Tracked Events of {Element?.ToString()}.", Enums.LogType.Info);
}
}
}
/// <summary>
/// Method for registering the delegate. Based on the field type of the events,
/// its switches the event registration between standard CLR and WPF registration for RoutedEvents to also keep track on Handled events.
/// </summary>
/// <param name="target"></param>
/// <param name="delegate"></param>
/// <param name="definition"></param>
private void RegisterDelegate(FrameworkElement target, Delegate @delegate, EventDefinition definition)
{
//Testing if its an routed Event
var field = definition.GetFieldInfo(target.GetType());
if (field == null || !field.FieldType.Equals(typeof(RoutedEvent)) || !typeof(RoutedEvent).IsAssignableFrom(field.FieldType))
{
definition.GetEventInfo(target.GetType()).AddEventHandler(target, @delegate);
}
else
{
target.AddHandler((RoutedEvent)field.GetValue(target), @delegate, definition.HandledEventsToo);
}
}
