Development C# Tutorial

using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Reflection;
using System.Security;
using System.Security.Permissions;
using System.Security.Policy;
public class MainClass
{
    public static void Main()
    {
        Console.WriteLine("Before: {0}", Environment.WorkingSet);
        // Loads System.dll (if it's not already loaded):
        Type uriType = typeof(Uri); 
        Console.WriteLine("After loading System.dll: {0}", Environment.WorkingSet);
    }
}
Before: 4550656
After loading System.dll: 4964352