/// <summary>
        /// Context menu for editing map info
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void MapEditInfo(object sender, EventArgs e)
        {
            System.Windows.Controls.MenuItem item = (System.Windows.Controls.MenuItem)sender;
            if (item == null)
            {
                return;
            }

            System.Windows.Controls.TabItem tabItem = (System.Windows.Controls.TabItem)item.Tag;
            TabItemContainer container     = (TabItemContainer)tabItem.Tag;
            Board            selectedBoard = container.Board;

            lock (selectedBoard.ParentControl)
            {
                new InfoEditor(selectedBoard, selectedBoard.MapInfo, multiBoard).ShowDialog();
                if (selectedBoard.ParentControl.SelectedBoard == selectedBoard)
                {
                    selectedBoard.ParentControl.AdjustScrollBars();
                }
            }
        }