c#中跨线程使用控件

c#跨线程使用控件需要使用委托来实现

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

namespace csharp_xmlTransPortTest
{
    public partial class Form1 : Form
    {
        public delegate void ThreadProcess();
        public Form1()
        {
            InitializeComponent();
           

        }

        XmlDocument statusDoc = new XmlDocument();
        public void xx()
        {
//             statusDoc.Load(@"D:\status.xml");
//             string status = statusDoc.SelectSingleNode("/root/status").InnerText;
// 
//             
//             char[] ch = new char[status.Length];
//             int i = 0;
//             foreach (char c in status)
//             {
//                 ch[i] = c;
//                 if (c == '1')
//                 {
//                     ch[i] = '0';
//                 }
//                 i++;
//             }
//             string update = new string(ch);
//             statusDoc.SelectSingleNode("/root/status").InnerText = update;
//             statusDoc.Save(@"D:\status.xml");

            thread0 = new Thread(new ThreadStart(startedcross));
            thread0.Start();
            thread1 = new Thread(new ThreadStart(started1cross1));
            thread1.Start();
        }

        private Thread thread0;
        private Thread thread1;

        private void startedcross()
        {
            ThreadProcess tp = new ThreadProcess(started);
            tp.BeginInvoke(null, null);
        }

        private void started1cross1()
        {
            ThreadProcess tp1 = new ThreadProcess(started1);
            tp1.BeginInvoke(null, null);
        }
        private void started()
        {
            while (true)
            {
                //string str = "32";
                object str = new object();
                lock (str)
                {
                    this.textBox1.Text += "0000000000000\n";
                }
            }
        }

        private void started1()
        {
            while (true)
            {
                object lockthis = new object();
                lock (lockthis)
                {
                    this.textBox1.Text += "11111111111\n";
                }
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
             xx();
        }
 
    }
}