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POc# run CL exe or batch cpture output LIVE to textbox?
 

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    <p>Is it possible to run any Command Line based program or batch file and capturer (re-direct) the out put to a text box LIVE</p> <p>the CL takes time and it produce text!</p> <p>something like tracert.exe (it takes time and produce good amount of text).</p> <p>actually I will work with tracert.exe and I like to capture the output live and show it in a text-box while it is running</p> <p>EDIT: My problem is to have it LIVE I mean any new line or char the console produce will be sent/pulled to/by the textBox NOT until the program is done!</p> <p>Simply I want to build is exactly like this <a href="http://www.codeproject.com/KB/threads/redir.aspx" rel="nofollow noreferrer">http://www.codeproject.com/KB/threads/redir.aspx</a> (check the demo) but in C# </p> <p>here is my code:</p> <pre><code>private void button1_Click(object sender, EventArgs e) { Process pc = new Process(); pc.StartInfo.FileName = "tracert.exe"; pc.StartInfo.Arguments = "google.com"; pc.StartInfo.UseShellExecute = false; pc.StartInfo.RedirectStandardOutput = true; pc.StartInfo.CreateNoWindow = true; pc.Start(); richTextBox1.Text = pc.StandardOutput.ReadToEnd(); pc.WaitForExit(); } </code></pre> <p><strong>EDIT</strong></p> <p>with the your help (thanks a lot guys) and this link: <a href="http://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&amp;l=EN-US&amp;k=k%28EHINVALIDOPERATION.WINFORMS.ILLEGALCROSSTHREADCALL%29;k%28TargetFrameworkMoniker-%22.NETFRAMEWORK%2cVERSION%3dV2.0%22%29;k%28DevLang-CSHARP%29&amp;rd=true" rel="nofollow noreferrer">http://msdn.microsoft.com/query/dev10.query?appId=Dev10IDEF1&amp;l=EN-US&amp;k=k%28EHINVALIDOPERATION.WINFORMS.ILLEGALCROSSTHREADCALL%29;k%28TargetFrameworkMoniker-%22.NETFRAMEWORK%2cVERSION%3dV2.0%22%29;k%28DevLang-CSHARP%29&amp;rd=true</a></p> <p>I solve it with this code (do you think it is OK?):</p> <pre><code>namespace GUIforCL2 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } Process _cmd; delegate void SetTextCallback(string text); private void SetText(string text) { if (this.richTextBox1.InvokeRequired) { SetTextCallback d = new SetTextCallback(SetText); this.Invoke(d, new object[] { text }); } else { this.richTextBox1.Text += text + Environment.NewLine; } } private void button1_Click(object sender, EventArgs e) { ProcessStartInfo cmdStartInfo = new ProcessStartInfo("tracert.exe"); cmdStartInfo.Arguments = "google.com"; cmdStartInfo.CreateNoWindow = true; cmdStartInfo.RedirectStandardInput = true; cmdStartInfo.RedirectStandardOutput = true; cmdStartInfo.RedirectStandardError = true; cmdStartInfo.UseShellExecute = false; cmdStartInfo.WindowStyle = ProcessWindowStyle.Hidden; _cmd = new Process(); _cmd.StartInfo = cmdStartInfo; if (_cmd.Start()) { _cmd.OutputDataReceived += new DataReceivedEventHandler(_cmd_OutputDataReceived); _cmd.ErrorDataReceived += new DataReceivedEventHandler(_cmd_ErrorDataReceived); _cmd.Exited += new EventHandler(_cmd_Exited); _cmd.BeginOutputReadLine(); _cmd.BeginErrorReadLine(); } else { _cmd = null; } } void _cmd_OutputDataReceived(object sender, DataReceivedEventArgs e) { UpdateConsole(e.Data); } void _cmd_ErrorDataReceived(object sender, DataReceivedEventArgs e) { UpdateConsole(e.Data, Brushes.Red); } void _cmd_Exited(object sender, EventArgs e) { _cmd.OutputDataReceived -= new DataReceivedEventHandler(_cmd_OutputDataReceived); _cmd.Exited -= new EventHandler(_cmd_Exited); } private void UpdateConsole(string text) { UpdateConsole(text, null); } private void UpdateConsole(string text, Brush color) { WriteLine(text, color); } private void WriteLine(string text, Brush color) { if (text != null) { SetText(text); } } } } </code></pre>
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    1. COpossible duplicate of http://stackoverflow.com/questions/164736/redirect-standard-output-efficiently-in-net
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    2. COanother duplicate: http://stackoverflow.com/questions/415620/redirect-console-output-to-textbox-in-separate-program-c
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