private void ReturnListener()
{
this.listener.Changed -= this.HandleValueChanged;
BindingListener.freeListeners.Add(this.listener);
this.listener = null;
}
private void Attach()
{
this.Detach();
if (this.target != null && this.binding != null) {
this.listener = this.GetListener();
this.listener.Attach(target, binding);
}
}
private DependencyPropertyListener GetListener()
{
DependencyPropertyListener listener;
if (BindingListener.freeListeners.Count != 0) {
listener = BindingListener.freeListeners[BindingListener.freeListeners.Count - 1];
BindingListener.freeListeners.RemoveAt(BindingListener.freeListeners.Count - 1);
return listener;
}
else
listener = new DependencyPropertyListener();
listener.Changed += this.HandleValueChanged;
return listener;
}