Resolve DesignMode for a User Control

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace Controls {
	public partial class TestControl : UserControl {
		public TestControl() {
			InitializeComponent();
		}

		private void TestControl_Load(object sender, EventArgs e) {
			// Is this control or one of its parents in design mode
			this.txtText.Text = this.IsInDesignMode() ? "Program is in design mode" : "The program is running";
		}
	}
}