Environment.GetEnvironmentVariables Method

// Sample for the Environment.GetEnvironmentVariables method 
using System;
using System.Collections;

class Sample 
{
    public static void Main() 
    {
    Console.WriteLine();
    Console.WriteLine("GetEnvironmentVariables: ");
    IDictionary	environmentVariables = Environment.GetEnvironmentVariables();
    foreach (DictionaryEntry de in environmentVariables)
        {
        Console.WriteLine("  {0} = {1}", de.Key, de.Value);
        }
    }
}
/*
This example produces the following results:
(Any result that is lengthy, specific to the machine on which this sample was tested, or reveals information that should remain secure, has been omitted and marked "!---OMITTED---!".)

GetEnvironmentVariables: 
  !---OMITTED---!
*/