The SessionClosed Event occurs when the session with the host system has been closed.

If intercepted, the programmer of the hosting page can do any additional processing required such as alerting the user that the session has been closed.

Example hosting page SessionClosed event handler. (C#)

private void OnSessionClosed(object sender, CEWebForm.CEWebFormRendererEventArgs e)
{
      // Let the user know the session has been closed.
      // Display the Close control.
      ((CEWebForm.CEWebFormRenderer)sender).DisplayUserControl("Close.ascx");
}