QueueGeneric and Queue

 Queue<T> and Queue Class Diagrams

Using it.

code
 1using System;
 2using System.Collections.Generic;
 3class Program
 4{
 5
 6    static void Main()
 7    {
 8        Queue<int> queue = new Queue<int>();
 9        queue.Enqueue(1);
10        queue.Enqueue(2);
11        Console.WriteLine(queue.Dequeue());
12        Console.ReadKey();
13    }
14}