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

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void SetText(string cntName,string msg)
        {
            if (this.InvokeRequired)
            {

                //Invoke(new SetTextCallback(SetText), new object[] { cntName }, new object[] { msg });
                Invoke(new SetTextCallback(SetText), cntName , msg );

                return;
            }

            switch (cntName)
            {
                case shareData.Control.button1:
                    break;
                case shareData.Control.button2:
                    break;
                case shareData.Control.button3:
                    break;
                case shareData.Control.button4:
                    break;
                case shareData.Control.button5:
                    break;
                case shareData.Control.button6:
                    break;
                case shareData.Control.button7:
                    break;
                case shareData.Control.button8:
                    break;
                case shareData.Control.button9:
                    break;
                case shareData.Control.button12:
                    break;
                case shareData.Control.textBox1:
                    textBox1.Text = (msg);
                    break;
                case shareData.Control.textBox2:
                    textBox2.AppendText(msg);
                    break;
                default:
                    break;
            }
        }

        private void Form1_Shown(object sender, EventArgs e)
        {
            workerThread t = new workerThread(SetText);
            t.Start();
        }
    }
}

public class shareData
{

    public struct Control
    {
        public const string textBox1 = "textBox1";
        public const string textBox2 = "textBox2";
        public const string label1 = "label1";
        public const string label2 = "label2";
        public const string label3 = "label3";
        public const string label4 = "label4";
        public const string label5 = "label5";
        public const string label6 = "label6";
        public const string label7 = "label7";
        public const string label8 = "label8";
        public const string button1 = "button1";
        public const string button2 = "button2";
        public const string button3 = "button3";
        public const string button4 = "button4";
        public const string button5 = "button5";
        public const string button6 = "button6";
        public const string button7 = "button7";
        public const string button8 = "button8";
        public const string button9 = "button9";
        public const string button12 = "button12";
        public const string listView1 = "listView1";
    }
}


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;

namespace WindowsFormsApplication1
{
    delegate void SetTextCallback(string cntName, string msg);

    class workerThread
    {
        SetTextCallback _SetText;

        int TID;

        public workerThread(SetTextCallback SetText)
        {
            _SetText = SetText;
            TID = 0;
        }

        Thread t;
        public void Start()
        {
            t = new Thread(new ThreadStart(worker));
            t.Start();
        }


        void worker()
        {
            int tid = TID;
            TID++;
            for (int i = 0; i < 100; i++)
            {
                _SetText(shareData.Control.textBox1, i.ToString());
                _SetText(shareData.Control.textBox2, i.ToString());
                System.Threading.Thread.Sleep(1000);
            }
        }

    }
}