1         ToolStripButton _currentTool;
 2         private void SetCurrentTool(ToolStripButton currentTool)
 3         {
 4             if (!(_currentTool == null))
 5             {
 6                 _currentTool.Checked = false;
 7             }
 8             _currentTool = currentTool;
 9             _currentTool.Checked = true;
10             toolStripStatusLabel1.Text = _currentTool.ToolTipText;
11         }