title: How can I unset the following eventhandler?
body: <p>I've set an eventhandler to an event like this:</p>
  
  <pre><code> frm.FormClosed += (sender,  args) =&gt;
                      {
                          if (this.myGrid.Enabled)
                          {
                              this.myGrid.Select();
                          }
                      };
   frm.Show();
  </code></pre>
  
  <p>I want to hang out the eventhandler after the form was closed.</p>
  
  <p>Can you help me?</p>