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Start a proccess from C# in the background

Posted on 2009-12-26
Medium Priority
Last Modified: 2013-12-17
Dear Eperts,

I would like to start an external command line application from csharp. I have already found a code to do that, but when I run it, it runs the "external" cmd proccess in front of me (like when I start it from cmd.exe). I would like to ask you to show me a code which I can use for running this application with it's arguments, but in the background. So I don't want to see any command line interface popping up. Please, if you have any suggestions to do that, post it to me.

Thank you really much,
Question by:mkrisz
  • 2
LVL 11

Accepted Solution

lenordiste earned 1600 total points
ID: 26125534
here is what you can do:
            System.Diagnostics.Process proc = new System.Diagnostics.Process();
            proc.StartInfo.FileName = "cmd.exe";
            proc.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
            proc.StartInfo.CreateNoWindow = true;
LVL 11

Assisted Solution

nordtorp earned 400 total points
ID: 26125543
Then remember to do proc.kill() when you want to end it, else it will run after you terminate your application.
LVL 11

Expert Comment

ID: 26125545
here is an even nicer example from (http://www.developer.com/net/csharp/article.php/3707996/NET-Tip-Execute-Commands-From-C.htm):
public static int ExecuteCommand(string Command, int Timeout)
   int ExitCode;
   ProcessStartInfo ProcessInfo;
   Process Process;

   ProcessInfo = new ProcessStartInfo("cmd.exe", "/C " + Command);
   ProcessInfo.CreateNoWindow = true;
   ProcessInfo.UseShellExecute = false;
   Process = Process.Start(ProcessInfo);
   ExitCode = Process.ExitCode;

   return ExitCode;


Author Closing Comment

ID: 31670102
Lenordiste, you forgot the arguments, but I did that, so no problem :) Great solution, thanks.

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