Q:

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

belongs to collection: C# Environment Class Programs

mahmoud2506
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2022-05-11
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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
  •  
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mahmoud2506
2022-05-11
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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 . . .

 

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