轉：C# 通過委託更新UI(非同步載入）

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來自：http://blog.csdn.net/gongzhe2011/article/details/27351853

using System.Windows.Forms;using System.Threading;using System;namespace Threaddemo1{    public partial class Form1 : Form    {        public Form1()        {            InitializeComponent();        }        delegate void aa(string s);//建立一個代理        private void Form1_Load(object sender, EventArgs e)        {            Thread newthread = new Thread(new ThreadStart(ttread));            newthread.Start();        }        void ttread()        {            pri("77");        }        private delegate void ProgressBarShow(int i);        private void pri(string p)        {            bool name = richTextBox1.InvokeRequired;            //MessageBox.Show(name.ToString());            if (!richTextBox1.InvokeRequired)//判斷是否需要進行喚醒的請求，如果控制項與主線程在一個線程內，可以寫成if(!InvokeRequired)            {                Loadthread();            }            else            {             //   MessageBox.Show("不是同一個線程");                aa a1 = new aa(pri);                Invoke(a1, new object[] { p });//執行喚醒操作            }        }        private void Loadthread()        {            string s = string.Empty;            for (int b = 0; b < 10000; b++)            {                this.ShowPro(b);                s += b.ToString();            }            //MessageBox.Show("同一線程內");            LoadRichebox(s);        }        void send() {            Thread.CurrentThread.Abort();        }        private void LoadRichebox(string s)        {            richTextBox1.Text = s;        }        private void ShowPro(int value)        {            if (this.InvokeRequired)            {                this.Invoke(new ProgressBarShow(ShowPro), value);            }            else            {                this.progressBar1.Value = value;                this.label1.Text = value + "% Processing...";            }        }    }}

 

轉：C# 通過委託更新UI(非同步載入）