private void MyListBox_MouseWheel(object sender, MouseWheelEventArgs e)
        {
            if (MyListBox.Items.Count == 0)
            {
                return;
            }
            int id = MyListBox.SelectedIndex;

            if (e.Delta < 0 && MyListBox.Items.Count > id)
            {
                MyListBox.SelectedIndex++;
            }
            else if (e.Delta > 0 && id > 0)
            {
                MyListBox.SelectedIndex--;
            }
            else
            {
                MyListBox.SelectedIndex = 0;
            }
            MyListBox.ScrollIntoView(MyListBox.Items[MyListBox.SelectedIndex]);
        }