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Environment.CommandLine Property

Gets the command line for this process.

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

public static string CommandLine { get; }

Property Value

Type: System.String
A string containing command-line arguments.

This property provides access to the program name and any arguments specified on the command line when the current process was started.

The program name can include path information, but is not required to do so. Use the GetCommandLineArgs method to retrieve the command-line information parsed and stored in an array of strings.

The maximum size of the command-line buffer is not set to a specific number of characters; it varies depending on the Windows operating system that is running on the computer.

The following example displays its own command line.

using System;

class Example
{
    public static void Main() 
    {
       Console.WriteLine();
       //  Invoke this sample with an arbitrary set of command line arguments.
       Console.WriteLine("CommandLine: {0}", Environment.CommandLine);
    }
}
// The example displays output like the following: 
//       C:\>env0 ARBITRARY TEXT 
//        
//       CommandLine: env0 ARBITRARY TEXT

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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