C#コマンドライン出力内容を取得する方法

 1 using (Process process = new System.Diagnostics.Process())  
 2 {  
 3     process.StartInfo.FileName = "ping";  
 4     process.StartInfo.Arguments = "www.ymind.net";  
 5     //               
 6     process.StartInfo.UseShellExecute = false;  
 7     process.StartInfo.CreateNoWindow = true;  
 8     process.StartInfo.RedirectStandardOutput = true;  
 9  
10     process.Start();  
11  
12     string output = process.StandardOutput.ReadToEnd();  
13  
14     if (String.IsNullOrEmpty(output) == false)  
15         this.textBox1.AppendText(output + "\r
");  
16  
17     process.WaitForExit();  
18     process.Close();  
19 } 

 1 private void button3_Click(object sender, EventArgs e)  
 2 {  
 3     using (Process process = new System.Diagnostics.Process())  
 4     {  
 5         process.StartInfo.FileName = "ping";  
 6         process.StartInfo.Arguments = "www.ymind.net -t";  
 7         //               
 8         process.StartInfo.UseShellExecute = false;  
 9         process.StartInfo.CreateNoWindow = true;  
10         process.StartInfo.RedirectStandardOutput = true;  
11  
12         process.Start();  
13  
14         //            
15         process.BeginOutputReadLine();  
16  
17         //            
18         process.OutputDataReceived += new DataReceivedEventHandler(process_OutputDataReceived);  
19     }  
20 }  
21  
22 private void process_OutputDataReceived(object sender, DataReceivedEventArgs e)  
23 {  
24     //          ，                      
25 //   ：process.CancelOutputRead()  
26  
27     if (String.IsNullOrEmpty(e.Data) == false)  
28         this.AppendText(e.Data + "\r
");  
29 }  
30  
31 #region                
32  
33 public delegate void AppendTextCallback(string text);  
34  
35 public void AppendText(string text)  
36 {  
37     if (this.textBox1.InvokeRequired)  
38     {  
39         AppendTextCallback d = new AppendTextCallback(AppendText);  
40         this.textBox1.Invoke(d, text);  
41     }  
42     else 
43     {  
44         this.textBox1.AppendText(text);  
45     }  
46 }  
47  
48 #endregion