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C# program to demonstrate the use of GetEnvironmentVariable() method of Environment class

Here, we are going to demonstrate the use of GetEnvironmentVariable() method of Environment class in C#.Net.
Submitted by Nidhi, on April 23, 2021

Here, we will learn about the GetEnvironmentVariable() method of the Environment class. This method is used to get the value of the environment variable according to the passed variable.

Syntax:

string Environment.GetEnvironmentVariable(string var);

Parameter(s):

• var: Environment variable name

Return value:

It returns a string that contains the value of the environment variable.

Exception(s):

• System.Security.SecurityException
• System.ArgumentNullException

Program:

The source code to demonstrate the use of GetEnvironmentVariable() method of Environment class is given below. The given program is compiled and executed successfully.

using System;
using System.IO;

class Sample
{
    //Entry point of Program
    static public void Main()
    {
        Environment.CurrentDirectory = Environment.GetEnvironmentVariable("windir");
        DirectoryInfo dirInfomation = new DirectoryInfo(".");
        Console.WriteLine("Windows Directory Information:\n" + dirInfomation.FullName);
    }
}

Output:

Directory Information:
C:\Windows
Press any key to continue . . .

C# Environment Class Programs »

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