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POHow can I redirect process output (console) to richtextbox?
 

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  1. POHow can I redirect process output (console) to richtextbox?
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    <p>what is wrong why is that the richtextbox doesnt get the stream of Process output? theres no text display in richtextbox..</p> <pre><code> private void button1_Click(object sender, EventArgs e) { Process sortProcess; sortProcess = new Process(); sortProcess.StartInfo.FileName = "sort.exe"; sortProcess.StartInfo.Arguments = this.comboBox1.SelectedItem.ToString(); // Set UseShellExecute to false for redirection. sortProcess.StartInfo.CreateNoWindow = true; sortProcess.StartInfo.UseShellExecute = false; // Redirect the standard output of the sort command. // This stream is read asynchronously using an event handler. sortProcess.StartInfo.RedirectStandardOutput = true; sortOutput = new StringBuilder(""); // Set our event handler to asynchronously read the sort output. sortProcess.OutputDataReceived += new DataReceivedEventHandler(SortOutputHandler); // Redirect standard input as well. This stream // is used synchronously. sortProcess.StartInfo.RedirectStandardInput = true; // Start the process. sortProcess.Start(); // Start the asynchronous read of the sort output stream. sortProcess.BeginOutputReadLine(); sortProcess.WaitForExit(); richTextBox1.AppendText(sortOutput.ToString()); } private static void SortOutputHandler(object sendingProcess, DataReceivedEventArgs outLine) { sortOutput.Append(Environment.NewLine + "[" + numOutputLines.ToString() + "] - " + outLine.Data); } } </code></pre> <p>so when sort.exe launches, it displays text, i want all those text be displayed also in richtextbox in RealTime (i dont want to wait for the process to exit, and then read all output)</p> <p>how can i do it? any wrong part of my code? thanks</p> <p>UPDATE @botz</p> <p>i added this in my code</p> <pre><code> private void SortOutputHandler(object sendingProcess, DataReceivedEventArgs outLine) { sortOutput.Append(Environment.NewLine + "[" + numOutputLines.ToString() + "] - " + outLine.Data); richTextBox1.AppendText(sortOutput.ToString()); } </code></pre> <p>but it throws this exception </p> <pre><code>Cross-thread operation not valid: Control 'richTextBox1' accessed from a thread other than the thread it was created on. </code></pre>
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