System.Windows.Controls.AutoCompleteBox.OnSelectedItemPropertyChanged C# (CSharp) Méthode

        private static void OnSelectedItemPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            AutoCompleteBox source = d as AutoCompleteBox;
            if(source != null)
            {
                if(source._ignorePropertyChange)
                {
                    source._ignorePropertyChange = false;
                    return;
                }

                // Update the text display
                if(source._skipSelectedItemTextUpdate)
                {
                    source._skipSelectedItemTextUpdate = false;
                }
                else
                {
                    source.OnSelectedItemChanged(e.NewValue);
                }
            }


            // Fire the SelectionChanged event
            List<object> removed = new List<object>();
            if(e.OldValue != null)
            {
                removed.Add(e.OldValue);
            }

            List<object> added = new List<object>();
            if(e.NewValue != null)
            {
                added.Add(e.NewValue);
            }

            if(source != null)
            {
                source.OnSelectionChanged(new SelectionChangedEventArgs(
#if !SILVERLIGHT
SelectionChangedEvent,
#endif
 removed,
                    added));
            }
        }