ProcessStartInfo.CreateNoWindow Property


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

Namespace:   System.Diagnostics
Assembly:  System (in System.dll)

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

using System;
using System.Diagnostics;
using System.ComponentModel;

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

                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;
                // 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)

.NET Framework
Available since 1.1
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