System.Windows.Controls.SelectionMultiple.Deselect C# (CSharp) Метод

        public bool Deselect(MultiSelectTreeViewItem item, bool bringIntoView = false)
        {
            var e = new PreviewSelectionChangedEventArgs(false, item.DataContext);
            OnPreviewSelectionChanged(e);
            if (e.CancelAny) return false;

            treeView.SelectedItems.Remove(item.DataContext);
            if (item.DataContext == lastShiftRoot)
            {
                lastShiftRoot = null;
            }
            FocusHelper.Focus(item, bringIntoView);
            return true;
        }