Customizing Folders in C#

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

using System.IO;

namespace CreateIconedFolder
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }

        #region CreateIconedFolder
        /// <summary>
        /// Turns a folder into a "Special" folder, at least one that contains an icon and custom tooltip
        /// </summary>
        /// <remarks>
        /// The default for iconIndex is 0.<br></br>
        /// The default for toolTip is "".<br></br>
        /// The default for preventSharing is false.<br></br>
        /// The default for confirmDelete is true.<br></br>
        /// </remarks>
        /// <param name="folderName">The fully qualified path to the file.</param>
        /// <param name="iconFile">The Icon File to use.</param>
        /// <returns>True upon success, otherwise false.</returns>
        private bool CreateIconedFolder(string folderName, string iconFile)
        {
            return CreateIconedFolder(folderName, iconFile, 0, "", false, true);
        }

        /// <summary>
        /// Turns a folder into a "Special" folder, at least one that contains an icon and custom tooltip
        /// </summary>
        /// <param name="folderName">The fully qualified path to the file.</param>
        /// <param name="iconFile">The Icon File to use.</param>
        /// <param name="iconIndex">The index of the icon to use.</param>
        /// <param name="toolTip">The tooltip or "InfoTip" to use.</param>
        /// <param name="preventSharing">True indicates the folder can not be shared. False indicates sharing is allowed.</param>
        /// <param name="confirmDelete">True indicates the use will recieve a message "You are deleting a system" when attempting
        /// to delete the folder.  False indicates that the operating system will not raise this warning.</param>
        /// <returns>True upon success, otherwise false.</returns>
        private bool CreateIconedFolder(string folderName, string iconFile, int iconIndex, string toolTip,
            bool preventSharing, bool confirmDelete)
        {
            #region Private Variables
            DirectoryInfo folder;
            string fileName = "desktop.ini";
            #endregion Private Variables

            #region Data Validation

            if (Directory.Exists(folderName) == false)
            {
                return false;
            }

            #endregion Data Validation

            try
            {
                folder = new DirectoryInfo(folderName);
                fileName = Path.Combine(folderName, fileName);

                // Create the file
                using (StreamWriter sw = new StreamWriter(fileName))
                {
                    sw.WriteLine("[.ShellClassInfo]");
                    sw.WriteLine("ConfirmFileOp={0}", confirmDelete);
                    sw.WriteLine("NoSharing={0}", preventSharing);
                    sw.WriteLine("IconFile={0}", iconFile);
                    sw.WriteLine("IconIndex={0}", iconIndex);
                    sw.WriteLine("InfoTip={0}", toolTip);
                    sw.Close();
                }

                // Update the folder attributes
                folder.Attributes = folder.Attributes | FileAttributes.System;

                // "Hide" the desktop.ini
                File.SetAttributes(fileName, File.GetAttributes(fileName) | FileAttributes.Hidden);
            }
            catch 
            {
                return false;
            }

            return true;
        }
        #endregion CreateIconedFolder

        #region UndoIconedFolder

        /// <summary>
        /// Turns a "Special" folder back into a normal folder.
        /// </summary>
        /// <param name="folderName">The folder to revert back.</param>
        /// <returns>True upon success otherwise false.</returns>
        private bool UndoIconedFolder(string folderName)
        {
            #region Private Variables
            DirectoryInfo folder;
            #endregion Private Variables

            #region Data Validation
            if (Directory.Exists(folderName) == false)
            {
                return false;
            }
            #endregion Data Validation

            try
            {
                folder = new DirectoryInfo(folderName);

                // Remove the file [Desktop.ini]
                FileInfo file = new FileInfo(Path.Combine(folderName, "desktop.ini"));
                if (file.Exists)
                {
                    file.Delete();
                }

                folder.Attributes = (folder.Attributes | FileAttributes.System);
            }
            catch
            {
                return false;
            }

            return true;
        }

        #endregion UndoIconedFolder

        #region Events
        private void btnCreate_Click(object sender, EventArgs e)
        {
            bool result = CreateIconedFolder(txtFolder.Text,
                txtIconFile.Text, 
                int.Parse(txtIconIndex.Text),
                txtInfoTip.Text,
                chkPreventSharing.Checked,
                chkConfirmDelete.Checked);

            string msg = string.Format("The result of CreateIconedFolder was {0}.", result);

            if (result)
            {
                MessageBox.Show(msg, "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else
            {
                MessageBox.Show(msg, "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        private void btnBrowse_Click(object sender, EventArgs e)
        {
            if (String.IsNullOrEmpty(txtFolder.Text) == false)
            {
                fbd.SelectedPath = txtFolder.Text;
            }

            DialogResult result =  fbd.ShowDialog();
            if (result == DialogResult.OK)
            {
                txtFolder.Text = fbd.SelectedPath;
            }
        }

        private void cmdUndo_Click(object sender, EventArgs e)
        {
            bool result = UndoIconedFolder(txtFolder.Text);

            string msg = string.Format("The result of CreateIconedFolder was {0}.", result);

            if (result)
            {
                MessageBox.Show(msg, "Result", MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
            else
            {
                MessageBox.Show(msg, "Result", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }
        #endregion Events


    }
}