private static void OnIsSelectionEnabledPropertyChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
MyListBox myListBox = (MyListBox)obj;
if ((bool)e.NewValue)
{
myListBox.OpenSelection();
}
else
{
myListBox.UnselectAll();
myListBox.CloseSelection();
}
}
private static void OnMyItemsSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MyListBox myListBox = d as MyListBox;
if (e.NewValue is INotifyCollectionChanged)
{
(e.NewValue as INotifyCollectionChanged).CollectionChanged += new NotifyCollectionChangedEventHandler(myListBox.MyListBox_CollectionChanged);
}
ObservableCollection <object> observableCollection = new ObservableCollection <object>();
foreach (object obj in e.NewValue as IEnumerable)
{
observableCollection.Add(obj);
}
if (myListBox.SupportsFooter)
{
observableCollection.Add(myListBox.DataContext);
}
observableCollection.CollectionChanged += new NotifyCollectionChangedEventHandler(myListBox.itemsSource_CollectionChanged);
myListBox.ItemsSource = (IEnumerable)observableCollection;
}
private static void OnMyItemsSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MyListBox myListBox = d as MyListBox;
// ISSUE: explicit reference operation
if (e.NewValue is INotifyCollectionChanged)
{
// ISSUE: explicit reference operation
(e.NewValue as INotifyCollectionChanged).CollectionChanged += new NotifyCollectionChangedEventHandler(myListBox.MyListBox_CollectionChanged);
}
ObservableCollection <object> observableCollection = new ObservableCollection <object>();
// ISSUE: explicit reference operation
foreach (object obj in e.NewValue as IEnumerable)
{
observableCollection.Add(obj);
}
if (myListBox.SupportsFooter)
{
observableCollection.Add(((FrameworkElement)myListBox).DataContext);
}
observableCollection.CollectionChanged += new NotifyCollectionChangedEventHandler(myListBox.itemsSource_CollectionChanged);
((ItemsControl)myListBox).ItemsSource = ((IEnumerable)observableCollection);
}
public override void OnApplyTemplate()
{
base.OnApplyTemplate();
this._parent = this.FindParent();
this.UpdateVisualState(false);
}
