关于Thread的实例

///调用Wait类，并显示等待状态
private void button1_Click(object sender, EventArgs e)
        {
////Wait类
            Wait f = new Wait();
            this.Hide();//隐藏主窗体
            f.Show("加载数据中....");//显示等待窗体
            Thread.Sleep(900);
            f.Show("登录中....");
            Thread.Sleep(900);
            f.Show("加载中....");
            Thread.Sleep(900);
            f.Close();//关闭等待窗体
            this.Show();//显示主窗体 
        }

////Wait类
using System;
using System.Threading;
using System.Text;
using System.Windows.Forms;

namespace WinFormWait
{
     partial class Form2 : Form
    {
        public Form2()
        {
            InitializeComponent();
     
        }
         /// <summary>
         /// 设置显示信息
         /// </summary>
         /// <param name="message"></param>
        public void SetMes(string message)
        {
            this.label1.Text = message;
        }
    }
    public class Wait
    {
        /// <summary>
        /// Thread对像
        /// </summary>
        private Thread thread = null;
        /// <summary>
        /// Form2对像
        /// </summary>
        private Form2 f = null;
        /// <summary>
        /// 默认构造函数
        /// </summary>
        public Wait()
        {
            ///实例化
            f = new Form2();
            ///创建线程并显示Form2窗体
            thread = new Thread(new ThreadStart(delegate { f.ShowDialog(); }));
        }
        /// <summary>
        /// 显示窗体
        /// </summary>
        /// <param name="message"></param>
        public void Show(string message)
        {
            f.Show();//弹出窗体
            f.SetMes(message);///设置信息
            f.Refresh();//重新绘制窗体
        }
        /// <summary>
        /// 关闭窗体并停止线程
        /// </summary>
        public void Close()
        {
            f.Close();
            try
            { thread.Abort(); }
            catch { }
        }
    }
}