C# (CSharp) EventTriggerEventSubscriber.UnsubscribeFromEvent示例

示例#1

文件： DependencyPropertyBehavior.cs 项目： QuinnBryant/DevExpressMVVMCustomEmittedActionSampleProject

 protected override void OnAttached()
 {
     if (Binding != null)
     {
         OnBindingPropertyChanged();
     }
     if (string.IsNullOrEmpty(EventName))
     {
         return;
     }
     EventHelper.UnsubscribeFromEvent(EventAssociatedObject, ShortEventName);
     EventHelper.SubscribeToEvent(EventAssociatedObject, ShortEventName);
 }

示例#2

文件： Trigger.cs 项目： thotchkiss/DevExpress.Mvvm.Free

 protected virtual void OnSourceChanged(object oldSource, object newSource)
 {
     RaiseSourceChangedCount++;
     EventHelper.UnsubscribeFromEvent(oldSource, Event);
     EventHelper.UnsubscribeFromEvent(oldSource, EventName);
     EventHelper.SubscribeToEvent(newSource, EventName);
     EventHelper.SubscribeToEvent(newSource, Event);
 }

示例#3

        protected virtual void OnSourceChanged(object oldSource, object newSource)
        {
            RaiseSourceChangedCount++;
#if !SILVERLIGHT && !NETFX_CORE
            EventHelper.UnsubscribeFromEvent(oldSource, Event);
#endif
            EventHelper.UnsubscribeFromEvent(oldSource, EventName);
            EventHelper.SubscribeToEvent(newSource, EventName);
#if !SILVERLIGHT && !NETFX_CORE
            EventHelper.SubscribeToEvent(newSource, Event);
#endif
        }