StringsResourceGenerator, Custom Task + Add-in for managing strings in ResourceDictionary from code

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Configuration.Install;
using System.IO;
using System.Xml;
using System.Diagnostics;
using System.ComponentModel;

namespace StringsResourceGeneratorSetupAction
{
    [RunInstaller(true)]
    public class AddinInstaller : Installer
    {
        #region Data Members

        private const string ExtNameSpace = "http://schemas.microsoft.com/AutomationExtensibility";

        #endregion

        #region Constructors

        public AddinInstaller()
        {
        }

        #endregion

        #region Public Functions

        public override void Install(System.Collections.IDictionary stateSaver)
        {
            // Uncomment the following line, recompile the setup
            // project and run the setup executable if you want
            // to debug into this custom action.

            //Debugger.Break();

            base.Install(stateSaver);

            // Parameters required to pass in from installer

            string productName = this.Context.Parameters["ProductName"];
            string assemblyName = this.Context.Parameters["AssemblyName"];

            // Setup .addin path and assembly path

            string addinTargetPath = Path.Combine(Environment.GetFolderPath(
                   Environment.SpecialFolder.MyDocuments),
                   @"Visual Studio 2008\Addins");
            string assemblyPath = Path.GetDirectoryName(
                   System.Reflection.Assembly.GetExecutingAssembly().Location);
            string addinControlFileName = assemblyName + ".Addin";
            string addinAssemblyFileName = assemblyName + ".dll";

            try
            {
                DirectoryInfo dirInfo = new DirectoryInfo(addinTargetPath);
                if (!dirInfo.Exists)
                {
                    dirInfo.Create();
                }

                string sourceFile = Path.Combine(assemblyPath, addinControlFileName);
                XmlDocument doc = new XmlDocument();
                doc.Load(sourceFile);
                XmlNamespaceManager xnm = new XmlNamespaceManager(doc.NameTable);
                xnm.AddNamespace("def", ExtNameSpace);

                // Update Addin/Assembly node

                XmlNode node = doc.SelectSingleNode("/def:" +
                    "Extensibility/def:Addin/def:Assembly", xnm);
                if (node != null)
                {
                    node.InnerText = Path.Combine(assemblyPath, addinAssemblyFileName);
                }

                // Update ToolsOptionsPage/Assembly node

                node = doc.SelectSingleNode("/def:Extensibility/def:" +
                       "ToolsOptionsPage/def:Category/def:SubCategory/def:Assembly", xnm);
                if (node != null)
                {
                    node.InnerText = Path.Combine(assemblyPath, addinAssemblyFileName);
                }

                doc.Save(sourceFile);

                string targetFile = Path.Combine(addinTargetPath, addinControlFileName);
                File.Copy(sourceFile, targetFile, true);

                // Save AddinPath to be used in Uninstall or Rollback

                stateSaver.Add("AddinPath", targetFile);
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.ToString());
            }
        }

        public override void Rollback(System.Collections.IDictionary savedState)
        {
            //Debugger.Break();

            base.Rollback(savedState);

            try
            {
                string fileName = (string)savedState["AddinPath"];
                if (File.Exists(fileName))
                {
                    File.Delete(fileName);
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.ToString());
            }
        }

        public override void Uninstall(System.Collections.IDictionary savedState)
        {
            //Debugger.Break();

            base.Uninstall(savedState);

            try
            {
                string fileName = (string)savedState["AddinPath"];
                if (File.Exists(fileName))
                {
                    File.Delete(fileName);
                }
            }
            catch (Exception ex)
            {
                Debug.WriteLine(ex.ToString());
            }
        }

        #endregion
    }
}