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POHow to execute multiples .BAT files in C#
 

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    <p>I need to execute multiples batch files using "c# windows form application". Just in case of bat containing one or more line like: "start filename.exe" my program waits until "filename.exe" will be terminated, and obviously this isn't what i need i have<br> attached the piece of code i used hop you'll find a sample windows form app.</p> <p>Thanks in advance.</p> <p>Francesco</p> <pre><code>using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Drawing; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace Sample { public partial class Form1 : Form { /* * Batch files * c:\batch1.bat echo startExecution start /b calc.exe echo endExecution exit * * c:\batch2.bat echo startExecution2 start /b notepad.exe echo endExecution2 exit */ public Form1() { //Just for sample is unsafe Control.CheckForIllegalCrossThreadCalls = false; InitializeComponent(); this.button1.Click += button1_Click; } private void button1_Click(object sender, EventArgs e) { this.richTextBox1.Text = "Initialized\r\n"; BatchExecution be = new BatchExecution("c:\\batch1.bat"); be.endOccurs += be_endOccurs; be.DoWork(); be = new BatchExecution("c:\\batch2.bat"); be.endOccurs += be_endOccurs; be.DoWork(); } private void be_endOccurs(BatchExecution sender) { this.richTextBox1.AppendText(sender.output); sender = null; } } public class BatchExecution { private String batch { get; set; } public Process process { get; private set; } public delegate void workHasEndedHandler(BatchExecution sender); public event workHasEndedHandler endOccurs; private Boolean _hasEnded = false; public Boolean hasEnded { get { return _hasEnded; } set { _hasEnded = value; if (_hasEnded) { endOccurs(this); } } } public String output { get; set; } public BatchExecution(String batFile) { batch = batFile; } private void workCompleted() { if (process != null) { process.Close(); process.Dispose(); GC.SuppressFinalize(process); process = null; } output += "Batch ended\r\n"; hasEnded = true; } public void DoWork() { output = "Batch output:\r\n"; process = new Process(); process.StartInfo.CreateNoWindow = true; process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; process.StartInfo.FileName = "cmd.exe"; process.StartInfo.Arguments = " /c \"" + batch + "\""; process.StartInfo.UseShellExecute = false; process.StartInfo.RedirectStandardOutput = true; process.StartInfo.RedirectStandardError = true; process.ErrorDataReceived += process_ErrorDataReceived; process.OutputDataReceived += process_OutputDataReceived; process.Start(); process.BeginOutputReadLine(); process.WaitForExit(); workCompleted(); } private void process_ErrorDataReceived(object sender, DataReceivedEventArgs e) { output += "" + e.Data + "\r\n"; } private void process_OutputDataReceived(object sender, DataReceivedEventArgs e) { output += "" + e.Data + "\r\n"; } } } </code></pre> <p>Starting from Kenneth suggestion i removed "process.WaitForExit()". Now using a BackgroundWorker i can check if batch execution is completed. It seems solved but i don't like it very much. Anybody has better idea?</p> <p>so the new version of Form1's code is:</p> <pre><code>using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Diagnostics; using System.Drawing; using System.IO; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Windows.Forms; namespace Sample { public partial class Form1 : Form { /* * Batch files * c:\batch1.bat echo startExecution start /b calc.exe ping 1.1.1.1 -n 1 -w 10000 echo endExecution exit * * c:\batch2.bat echo startExecution2 start /b notepad.exe echo endExecution2 exit */ private List&lt;String&gt; batchFiles { get; set; } private Int32 batchIndex { get; set; } private BatchExecution be { get; set; } public Form1() { //Just for sample is unsafe Control.CheckForIllegalCrossThreadCalls = false; InitializeComponent(); this.button1.Click += button1_Click; } private void button1_Click(object sender, EventArgs e) { batchIndex = 0; batchFiles = new List&lt;String&gt;(); batchFiles.Add("c:\\batch1.bat"); batchFiles.Add("c:\\batch2.bat"); this.richTextBox1.Text = "Initialized\r\n"; be = new BatchExecution(batchFiles[batchIndex]); be.endOccurs += be_endOccurs; be.DoWork(); } private void be_endOccurs(BatchExecution sender) { this.richTextBox1.AppendText(sender.output); if (sender.process != null) { sender.process.Close(); sender.process.Dispose(); GC.SuppressFinalize(sender.process); sender.process = null; } sender = null; batchIndex++; if (batchFiles != null &amp;&amp; batchFiles.Count &gt; batchIndex) { be = new BatchExecution(batchFiles[batchIndex]); be.endOccurs += be_endOccurs; be.DoWork(); } } } public class BatchExecution { private String batch { get; set; } public Process process { get; set; } private BackgroundWorker asyncVerifier { get; set; } public delegate void workHasEndedHandler(BatchExecution sender); public event workHasEndedHandler endOccurs; private Boolean _hasEnded = false; public Boolean hasEnded { get { return _hasEnded; } private set { _hasEnded = value; if (_hasEnded) { if (asyncVerifier != null) { asyncVerifier.Dispose(); GC.SuppressFinalize(asyncVerifier); asyncVerifier = null; output += "Batch ended\r\n"; } endOccurs(this); } } } public String output { get; set; } public BatchExecution(String batFile) { batch = batFile; } public void DoWork() { output = "Batch output:\r\n"; asyncVerifier = new BackgroundWorker(); asyncVerifier.DoWork += asyncVerifier_DoWork; process = new Process(); process.StartInfo.CreateNoWindow = true; process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden; process.StartInfo.FileName = "cmd.exe"; process.StartInfo.Arguments = " /c \"" + batch + "\""; process.StartInfo.UseShellExecute = false; process.StartInfo.RedirectStandardOutput = true; process.StartInfo.RedirectStandardError = true; process.ErrorDataReceived += process_DataReceived; process.OutputDataReceived += process_DataReceived; process.Start(); asyncVerifier.RunWorkerAsync(); process.BeginOutputReadLine(); } private void asyncVerifier_DoWork(object sender, DoWorkEventArgs e) { Boolean performCheck = true; while (performCheck) { if (process != null &amp;&amp; !process.HasExited) { System.Threading.Thread.Sleep(500); } else { performCheck = false; } } hasEnded = true; } private void process_DataReceived(object sender, DataReceivedEventArgs e) { output += "" + e.Data + "\r\n"; } } } </code></pre>
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    1. USFrancesco Milani
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    1. CODo you need to use batch files if you are using C#? Just putting that out there as generally it is much easier to maintain and debug C# code than batch files. If the batch files are very simple, you can probably just run the commands from C# and easily control the flow. If they are very complex... well, you would probably benefit from porting it to C# anyway as batch files are painful to use (coming from someone who loves batch files).
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    2. COYes i really need it. The requested feature is to execute multiple batch files which are edited and maintained by the users.
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      1. POHow to execute multiples .BAT files in C#
      1. USFrancesco Milani
 

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