asp.net C#多線程後台擷取網頁源碼

代碼如下

複製代碼

public string GetWebPageResponse(string uriArg)         {             System.IO.Stream responseStream = System.Net.WebRequest.Create(uriArg).GetResponse().GetResponseStream();             System.IO.StreamReader reader = new System.IO.StreamReader(responseStream);             return reader.ReadToEnd();         }         private void button1_Click(object sender, EventArgs e)         {             new System.Threading.Thread(delegate()             {                 string strHtml = GetWebPageResponse(http://www.111cn.net);                 // 後台執行部分                 this.Invoke((EventHandler)delegate                 {                     richTextBox1.Text = strHtml;                     // 操作UI部分                 });             }).Start();         }