C# Environment SetEnvironmentVariable(String, String, EnvironmentVariableTarget)

Description

Environment SetEnvironmentVariable(String, String, EnvironmentVariableTarget) creates, modifies, or deletes an environment variable stored in the current process or in the Windows operating system registry key reserved for the current user or local machine.

Syntax

Environment.SetEnvironmentVariable(String, String, EnvironmentVariableTarget) has the following syntax.

public static void SetEnvironmentVariable(
  string variable,/*from w w w .  jav  a 2  s.com*/
  string value,
  EnvironmentVariableTarget target
)

Parameters

Environment.SetEnvironmentVariable(String, String, EnvironmentVariableTarget) has the following parameters.

• variable - The name of an environment variable.
• value - A value to assign to variable.
• target - One of the EnvironmentVariableTarget values.

Returns

Environment.SetEnvironmentVariable(String, String, EnvironmentVariableTarget) method returns

Example

The following example creates environment variables.

/*w ww.j  av a 2  s  . c o m*/

using System;
using System.Collections;
using Microsoft.Win32;

class Sample 
{
    public static void Main(){
       Environment.SetEnvironmentVariable("A_GETSET_ENVAR_SAMPLE", null, EnvironmentVariableTarget.Process);
    }
   
}

The code above generates the following result.