100% Reflective Class Diagram Creation Tool

using System;
using System.Windows.Forms;
using System.Drawing.Printing;
using System.Drawing;
using Reflector;

namespace AutoDiagramer
{
    #region AutoDiagrammerPackage CLASS
    /// <summary>
    /// This class provides one part to be able to be a Lutz Roeders Reflector
    /// AddIn. The other file is called AutoDiagrammerWindow. This part provides
    /// the Load/Unload and menu click code
    /// </summary>
	public class AutoDiagrammerPackage : IPackage
    {
        #region Instance Fields
        private IWindowManager _windowManager;
		private ICommandBarManager _commandBarManager;
		private ICommandBarSeparator _separator;
		private ICommandBarButton _toolsButton;
        #endregion
        #region Reflector Package Methods
        /// <summary>
        /// Standard IPackage load method. Creates <see cref="AutoDiagrammerWindow">AutoDiagrammerWindow</see>
        /// and UI elements for addin
        /// </summary>
        /// <param name="serviceProvider">IServiceProvider serviceProvider for addin</param>
        public void Load(IServiceProvider serviceProvider)
		{
            //create a new Window, giving it the serviceProvider
			AutoDiagrammerWindow window = new AutoDiagrammerWindow(serviceProvider);
            //hook the addin into Reflector UI
			this._windowManager = (IWindowManager) serviceProvider.GetService(typeof(IWindowManager));
			this._windowManager.Windows.Add("AutoDiagrammer", window, "Auto Diagrammer");
			this._commandBarManager = (ICommandBarManager) serviceProvider.GetService(typeof(ICommandBarManager));
			this._separator = this._commandBarManager.CommandBars["Tools"].Items.AddSeparator();
			this._toolsButton = this._commandBarManager.CommandBars["Tools"].Items.AddButton("Auto Diagrammer", new EventHandler(this.Tools_Click));
		}

        /// <summary>
        /// Unhook the addin from Reflector UI
        /// </summary>
		public void Unload()
		{
            //unhook the addin from Reflector UI
			this._windowManager.Windows.Remove("AutoDiagrammer");
			this._commandBarManager.CommandBars["Tools"].Items.Remove(this._toolsButton);
			this._commandBarManager.CommandBars["Tools"].Items.Remove(this._separator);
		}

        /// <summary>
        /// Reflector addin menu clicked, user wants to see addin, so show it
        /// </summary>
        /// <param name="sender">reflector addin menu</param>
        /// <param name="e">event args</param>
		private void Tools_Click(object sender, EventArgs e)
		{
            //user wants to see addin, so show it
			this._windowManager.Windows["AutoDiagrammer"].Visible = true;
		}
        #endregion
    }
    #endregion
}