MyControl.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;

namespace Microsoft.LaunchUrlDemo
{
    /// <summary>
    /// Interaction logic for MyControl.xaml
    /// </summary>
    public partial class MyControl : UserControl
    {
        public MyControl()
        {
            InitializeComponent();
        }

        [System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Globalization", "CA1300:SpecifyMessageBoxOptions")]
        private void button1_Click(object sender, RoutedEventArgs e)
        {
            IVsWindowFrame ppFrame;
            var service = Package.GetGlobalService(typeof (IVsWebBrowsingService)) as IVsWebBrowsingService;
            service.Navigate("http://www.visualstudio.com/", (uint)__VSWBNAVIGATEFLAGS.VSNWB_ForceNew, out ppFrame);
        }
    }
}