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ProcessStartInfo.CreateNoWindow Property

.NET Framework 4

Gets or sets a value indicating whether to start the process in a new window.

Namespace:  System.Diagnostics
Assembly:  System (in System.dll)
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public bool CreateNoWindow { get; set; }

Property Value

Type: System.Boolean
true if the process should be started without creating a new window to contain it; otherwise, false. The default is false.

If the UserName and Password properties are not null, the CreateNoWindow property value is ignored and a new window is created.

C#
C++
VB
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using System;
using System.Diagnostics;
using System.ComponentModel;

namespace MyProcessSample
{
    class MyProcess
    {
        public static void Main()
        {
            Process myProcess = new Process();

            try
            {
                myProcess.StartInfo.UseShellExecute = false;
                // You can start any process, HelloWorld is a do-nothing example.
                myProcess.StartInfo.FileName = "C:\\HelloWorld.exe";
                myProcess.StartInfo.CreateNoWindow = true;
                myProcess.Start();
                // This code assumes the process you are starting will terminate itself. 
                // Given that is is started without a window so you cannot terminate it 
                // on the desktop, it must terminate itself or you can do it programmatically
                // from this application using the Kill method.
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
        }
    }
}

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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Starting command-line applications without a window
If you're starting a command-line executable and you don't want it to run in a cmd.exe-style window, you must set UseShellExecute to FALSE as well.
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