/// <summary>
/// Called when the value of the <see cref="SelectedIndex"/> or <see cref="SelectedItem"/>
/// dependency properties change.
/// </summary>
private static void HandleSelectedContainerChanged(Selector selector, DependencyObject container)
{
var item = selector.ItemContainerGenerator.ItemFromContainer(container);
if (item == null)
return;
if (GetIsSelected(container))
return;
selector.BeginChangeSelection();
selector.UnselectAllItems();
selector.SelectItem(item);
selector.EndChangeSelection();
}
/// <summary>
/// Initializes a new instance of the <see cref="SelectionCollection"/> class.
/// </summary>
/// <param name="owner">The <see cref="Selector"/> that owns this collection.</param>
public SelectionCollection(Selector owner)
{
Contract.Require(owner, nameof(owner));
this.owner = owner;
}
/// <summary>
/// Initializes a new instance of the <see cref="SelectionCollection"/> class.
/// </summary>
/// <param name="owner">The <see cref="Selector"/> that owns this collection.</param>
public SelectionCollection(Selector owner)
{
Contract.Require(owner, "owner");
this.owner = owner;
}