title: How to call a button click event from another method
body: <p>How can I call <code>SubGraphButton_Click(object sender, RoutedEventArgs args)</code> from another method? </p>
  
  <pre><code>private void SubGraphButton_Click(object sender, RoutedEventArgs args)
  {
  }
  
  private void ChildNode_Click(object sender, RoutedEventArgs args)
  {
     // call SubGraphButton-Click().
  }
  </code></pre>