/// <summary>
/// Determines whether [is enabled changed] [the specified sender].
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="DependencyPropertyChangedEventArgs"/> instance containing the event data.</param>
private static void IsEnabledChanged(object sender, DependencyPropertyChangedEventArgs e)
{
Selector selector = sender as Selector;
if (selector == null)
{
return;
}
bool enabled = (bool)e.NewValue;
DependencyPropertyDescriptor itemsSourceProperty =
DependencyPropertyDescriptor.FromProperty(Selector.ItemsSourceProperty, typeof(Selector));
IMultiSelectCollectionView collectionView = selector.ItemsSource as IMultiSelectCollectionView;
if (enabled)
{
if (collectionView != null)
{
collectionView.SetSelectOnly(SelectOnly);
collectionView.AddControl(selector);
}
itemsSourceProperty.AddValueChanged(selector, ItemsSourceChanged);
}
else
{
if (collectionView != null)
{
collectionView.SetSelectOnly(SelectOnly);
collectionView.RemoveControl(selector);
}
itemsSourceProperty.RemoveValueChanged(selector, ItemsSourceChanged);
}
}
