title: WPF : Dispatcher processing has been suspended, but messages are still being processed
body: <p>I Have a WPF Project, When i try to Run This Code On RowLoad Event I got below Error :</p>
  
  <pre><code>private void ParentGridView_OnRowLoaded(object sender, EventArgs e)
  {
      try
      {
          if(((RadGridView)sender).Columns != null)
          {
              MessageBox.Show(((RadGridView)sender).Columns.Count.ToString(CultureInfo.InvariantCulture));
          }
      }
      catch (Exception ex)
      {
          MessageBox.Show(ex.Message);
      }
  }
  </code></pre>
  
  <p>Error : Dispatcher processing has been suspended, but messages are still being processed.</p>
  
  <p><strong>Note That the GridView Control is Telerik RadGridView</strong></p>