public class Visualizer1 : DialogDebuggerVisualizer
{
   protected override void Show(IDialogVisualizerService windowService, IVisualizerObjectProvider objectProvider)
   {
      // TODO: Get the object to display a visualizer for.
      //       Cast the result of objectProvider.GetObject() 
      //       to the type of the object being visualized.
      object data = (object)objectProvider.GetObject();

      // TODO: Display your view of the object.
      //       Replace displayForm with your own custom Form or Control.
      Form displayForm = new Form();
      displayForm.Text = data.ToString();
      windowService.ShowDialog(displayForm);
   }
}