// --- memo list box ---
        private void HandleMemoListBoxMouseDoubleClick(object sender, MouseEventArgs e)
        {
            var listBox = _memoListView.MemoListBox;
            var index   = listBox.IndexFromPoint(e.Location);

            if (index > -1)
            {
                var rect = listBox.GetItemRectangle(index);
                if (rect.Contains(e.Location))
                {
                    /// 最後のitemより下の余白のマウス操作でない

                    _memoListView.LoadSelectedMemos();
                }
            }
        }
 public static void LoadSelectedMemos(MemoListView view)
 {
     view.LoadSelectedMemos();
 }