title: detecting in form1 that form2 is closed
body: <p>I am trying to detect that form2 is closed in form1.  I have this so far</p>
  
  <pre><code>    private void AddStageBtn_Click(object sender, EventArgs e)
      {
          Form2 form2 = new Form2();
          form2.ShowDialog();
          if (form2.IsDisposed)
          {
              MessageBox.Show("it was closed!");
          }
      }
  </code></pre>
  
  <p>Any suggestions?  Thanks again!</p>