[C#/WPF] ListBox의 SelectedItems Twoway Binding (Behavior)

리스트박스에 SelectedItems에 대한 양방향 바인딩 Behavior (Twoway Binding) public class ListBoxSelectionBehavior : Behavior { #region Static /// /// SelectedItems 종속성 속성 /// public static readonly DependencyProperty SelectedItemsProperty = DependencyProperty.Register(nameof(SelectedItems), typeof(IList), typeof(ListBoxSelectionBehavior), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.Bin..

원문링크 : [C#/WPF] ListBox의 SelectedItems Twoway Binding (Behavior)