public void AddControlObserver(NSString key, Action<ObserverActionEventArgs> action, NSObject control)
{
if (observers == null)
observers = new List<ObserverHelper>();
var observer = new ObserverHelper
{
Action = action,
KeyPath = key,
Control = control,
Widget = Widget,
Handler = this
};
observer.AddToControl();
observers.Add(observer);
}
public NSObject AddObserver(NSString key, Action<ObserverActionEventArgs> action, NSObject control)
{
if (observers == null)
observers = new List<ObserverHelper>();
var observer = new ObserverHelper
{
Action = action,
KeyPath = key,
Control = control,
Widget = Widget,
Handler = this
};
observer.AddToNotificationCenter();
observers.Add(observer);
return observer;
}
public void AddControlObserver(NSString key, Action <ObserverActionEventArgs> action, NSObject control)
{
if (observers == null)
{
observers = new List <ObserverHelper>();
// ensure we finalize to clean this up later
GC.ReRegisterForFinalize(this);
}
var observer = new ObserverHelper
{
Action = action,
KeyPath = key,
Control = control,
Widget = Widget,
Handler = this
};
observer.AddToControl();
observers.Add(observer);
}
public ObserverActionEventArgs(ObserverHelper observer, NSNotification notification)
{
this.observer = observer;
this.Notification = notification;
}