Folder protection for Windows using C# and concepts on Windows Shell menu for folders

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

namespace FolderProtection
{
    public partial class password : Form
    {
        public string path;
        
        public password()
        {
            InitializeComponent();
     
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Equals(textBox2.Text))
            {
                XmlDocument xmldoc = new XmlDocument();
                XmlElement xmlelem;
                XmlNode xmlnode;
                XmlText xmltext;
                xmlnode = xmldoc.CreateNode(XmlNodeType.XmlDeclaration, "", "");
                xmldoc.AppendChild(xmlnode);
                xmlelem = xmldoc.CreateElement("", "ROOT", "");
                xmltext = xmldoc.CreateTextNode(textBox1.Text);
                xmlelem.AppendChild(xmltext);
                xmldoc.AppendChild(xmlelem);
                xmldoc.Save(path + "\\p.xml");
                this.Close();
            }
            else
            {
                MessageBox.Show("Two text do not match", "Error");
                textBox1.Clear();
                textBox2.Clear();
                textBox1.Focus();
            }
        }

    }
}