How to start Process hidden?

Question

I start a Console Application via ProcessStartInfo and process.Start(). I want to hide the black window. Here's my code:

string output = "";
//Setup the Process with the ProcessStartInfo class
ProcessStartInfo startInfo = new ProcessStartInfo();
startInfo.FileName = "C:\\WINNT\\system32\\cmd.exe";
startInfo.UseShellExecute = false;
startInfo.RedirectStandardOutput = true;

//Start the process
Process proc = Process.Start(startInfo);

any final solution with full source code sample working about it ? CreateNoWindow = true ? — Kiquenet, Jul 10 '13 at 08:50
possible duplicate of [Hide console window from Process.Start C#](http://stackoverflow.com/questions/5377423/hide-console-window-from-process-start-c-sharp) — sirdank, May 06 '15 at 18:58

score 40 · Answer 1 · edited Sep 04 '13 at 06:27

40

The final answer is

 ProcessStartInfo psi = new ProcessStartInfo();
 psi.FileName = ....
 psi.RedirectStandardInput = true;
 psi.RedirectStandardOutput = false;
 psi.Arguments =...
 psi.UseShellExecute = false;

psi.CreateNoWindow = true; // <- key line

edited Sep 04 '13 at 06:27

Community

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answered Nov 07 '12 at 11:44

Oumdaa

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CreateNoWindow did the trick for me where WindowStyle had no effect. I'm redirecting standard output anyway and can now avoid the empty window. – Timo Jan 12 '15 at 08:48

score 38 · Answer 2 · answered Jul 28 '11 at 09:51

38

Try This:

startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;

answered Jul 28 '11 at 09:51

Jonathan

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That will do the trick. Only add that it has to be set before calling `Process.Start(startInfo)`. – Cipi Jul 28 '11 at 09:54
1

doesnt work, but... you get an error it simply show the black window? I need more info. :D – Jonathan Jul 28 '11 at 11:10
I tried your code and I'm getting and error related with pipes, not with your actual question. If I replace FileName with a .bat file, It run without problems and no black windows are shown. – Jonathan Jul 28 '11 at 11:21

score 9 · Answer 3 · answered Jul 28 '11 at 09:55

9

Try

startInfo.WindowStyle = ProcessWindowStyle.Hidden;

answered Jul 28 '11 at 09:55

Morten Anderson

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score 8 · Answer 4 · answered Apr 22 '16 at 07:09

8

Process p = new Process();
....
p.StartInfo.CreateNoWindow = true;
p.Start();

answered Apr 22 '16 at 07:09

Ads

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This answer adds no new knowledge to existing answers. – ShloEmi Mar 07 '18 at 13:05

How to start Process hidden?

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