public void Enqueue(T item)
{
if (item == null)
{
return;
}
_queueIn.Enqueue(item);
}
protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
{
if (this.PropertyChanged != null)
{
_propChangedQueue.Enqueue(e);
if (ThreadSafeDispatcher == null || ThreadSafeDispatcher.CheckAccess())
{
HandlePropertyChanged();
}
else if (ShouldFirePropChangedDispatcher())
{
ThreadSafeDispatcher.BeginInvoke(new HandleThreadSafeDelegate(HandlePropertyChanged));
}
}
}
protected virtual void OnItemPropertyChanging(ItemPropertyChangedEventArgs <T> e)
{
if (ItemPropertyChanging != null)
{
_itemChangingQueue.Enqueue(e);
if (ThreadSafeDispatcher == null || ThreadSafeDispatcher.CheckAccess())
{
HandleItemChanging();
}
else if (ShouldFireItemPropertyChangingDispatcher())
{
ThreadSafeDispatcher.BeginInvoke(new HandleThreadSafeDelegate(HandleItemChanging));
}
}
HookItemPropertyChanging(e.Item, e.PropertyName);
}
protected virtual void OnPropertyChanged(PropertyChangedEventArgs e)
{
if (e == null || _disablePropertyChanges)
{
return;
}
HookPropertyChanged(e.PropertyName);
_propChangedQueue.Enqueue(e);
if (ThreadSafeDispatcher == null || ThreadSafeDispatcher.CheckAccess())
{
HandlePropertyEvents();
}
else if (ShouldFirePropEventsDispatcher())
{
ThreadSafeDispatcher.BeginInvoke(new HandleThreadSafeDelegate(HandlePropertyEvents));
}
}
protected virtual void OnPropertyChanging(PropertyChangingEventArgs e)
{
if (e == null || _disablePropertyChanges)
{
return;
}
if (this.PropertyChanging != null && e != null)
{
_propChangingQueue.Enqueue(e);
if (ThreadSafeDispatcher == null || ThreadSafeDispatcher.CheckAccess())
{
HandlePropertyEvents();
}
else if (ShouldFirePropEventsDispatcher())
{
ThreadSafeDispatcher.BeginInvoke(new HandleThreadSafeDelegate(HandlePropertyEvents));
}
}
}
