进度条progressbar如何实时显示

Question

2003用多线程， 2005有一个自带的多线程Progressbar

Answer 1

private Thread myThread;
        private void Form1_Load(object sender, EventArgs e)
        {
            myThread = new Thread(new ThreadStart(RunsOnWorkerThread));
            myThread.Start();
        }        private void RunsOnWorkerThread()
        {
            for (int i = 0; i < 100; i++)
            {
                ShowProgress(Convert.ToString(i) + "%", i);
                Thread.Sleep(100);
            }
        }        public void ShowProgress(string msg, int percentDone)
        {
            System.EventArgs e = new MyProgressEvents(msg, percentDone);
            object[] pList = { this, e };
            BeginInvoke(new MyProgressEventsHandler(UpdateUI), pList);        }        private delegate void MyProgressEventsHandler(object sender, MyProgressEvents e);        private void UpdateUI(object sender, MyProgressEvents e)
        {            label1.Text = e.Msg;            progressBar1.Value = e.PercentDone;        }
        public class MyProgressEvents : EventArgs
        {            public string Msg;            public int PercentDone;            public MyProgressEvents(string msg, int per)
            {                Msg = msg;                PercentDone = per;            }        }

Answer 2

Application.DoEvents();
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Answer 3

ProgressDialog: for executing long-running code with some thread safety - The Code Project - C# Programming
http://www.codeproject.com/csharp/PIEBALDProgressDialog.asp