C#Winform 等待窗体问题

namespace devDemo

{

    public partial class FormMain : Form

    {

        public FormMain()

        {

            InitializeComponent();

        }

        frmLoading loading = new frmLoading();

        public delegate void delloading();



        public delegate void BindedData(List<Product> ls);



        private void FormMain_Load(object sender, EventArgs e)

        {

        }

        /// <summary>

        /// 关闭loading

        /// </summary>

        /// <param name="ar"></param>

        public void CloseLoading(IAsyncResult ar)

        {

            this.Invoke(new delloading(() => { loading.Close(); }));

        }





        private void button1_Click(object sender, EventArgs e)

        {

            new Action(ReadData).BeginInvoke(new AsyncCallback(CloseLoading), null);

            loading.ShowDialog();//显示loading

        }



        /// <summary>

        /// 读取数据

        /// </summary>

        public void ReadData()

        {

            List<Product> productList = new List<Product>();

            for (int i = 0; i < 15; i++)

            {

                productList.Add(new Product

                {

                    ProductID = i + 1,

                    Count = new Random().Next(i * 10, 3000 / (i + 1)),

                    Pice = System.Math.Round(new Random().NextDouble() * (i + 1) * 100, 4),

                    Uint = "只",

                    ProductName = string.Format("产品{0}", i)

                });

                Thread.Sleep(200);

            }



            this.Invoke(new BindedData((pls) => { this.protuctBindingSource.DataSource = pls; }),productList);

        }

    }

}

//======================================================================

//

//        Copyright : SHANGHAI HOMEN INTELLIGENT SYSTEM Co.,LTD.

//        All rights reserved

//

//        Formname : frmNotify

//        Description : 信息通知窗体

//

//        created by 枫中玫瑰 at  2010-9-6 20:10:00

//

//======================================================================

using System;

using System.Drawing;

using System.Windows.Forms;

using System.Collections.Generic;

using SysJanitor;

using System.Threading;



namespace FundusSustainLayer

{

    public partial class frmNotify : Form

    {

	public static int value;

	public static string notify;



        private Thread tNotifyProgress;         // 进度条通知线程



        private static frmNotify notify;

        /// <summary>

        /// frmNotify窗体的单例访问器

        /// </summary>

        public static frmNotify Notify

        {

            get

            {

                if (notify == null)

                    notify = new frmNotify();

                return frmNotify.notify;

            }

        }

        private bool bCanClose = false;

        /// <summary>

        /// 指示当前窗体是否允许被关闭

        /// </summary>

        public bool BCanClose

        {

            get { return bCanClose; }

            set { bCanClose = value; }

        }



        private frmNotify()

        {

            InitializeComponent();

        }





        /// <summary>

        /// 创建通知线程

        /// </summary>

        public void CreateNotifyThread()

        {

            Janitor.value = 0;

            frmNotify.Notify.SetPBEmpty();





            tNotifyProgress = new Thread(NotifyCurrentProgress);

            tNotifyProgress.Name = "NotifyProgress";

            tNotifyProgress.IsBackground = true;

            tNotifyProgress.Start();

        }

        /// <summary>

        /// 通知当前进度

        /// </summary>

        private void NotifyCurrentProgress()

        {

            while (true)

            {

                frmNotify.Notify.SetProgreccBar(frmNotify.value, frmNotify.notify);

                System.Threading.Thread.Sleep(50);



                if (frmNotify.Notify.BCanClose) return;

            }

        }

        /// <summary>

        /// 显示进度条的信息

        /// </summary>

        /// <param name="value">进度条的当前值</param>

        /// <param name="strInfor">当前提示信息</param>

        public void SetProgreccBar(int value, string strInfor)

        {

            if (this.InvokeRequired)

            {

                try

                {

                    this.Invoke(new Action<int, string>(SetProgreccBar), new object[] { value, strInfor });

                }

                catch { }

            }

            else

            {

                this.labInfor.Text = strInfor;

                for (int i = this.pbInfor.Value; i < value % 100; i++)

                {

                    this.pbInfor.Value = i;

                    this.pbInfor.Refresh();

                }



                if (value == 100)

                {

                    this.labInfor.Text = "初始化完成!";

                    this.pbInfor.Value = this.pbInfor.Maximum;

                    this.Close();

                    this.bCanClose = true;

                }

            }

        }

    }

}

启动窗体：

frmNotify.Notify.BCanClose = false;

frmNotify.Notify.CreateNotifyThread();



通知窗体当前进度：

frmNotify.value = 50;

frmNotify.notify = "test";

frmNotify.Notify.SetProgreccBar(frmNotify.value, frmNotify.notify);



关闭窗体：

frmNotify.Notify.BCanClose = true;