C# Collections

System.Collections.Generic.Queue

A queue represents a first-in, first out collection (FIFO)
The queue class is a good collection to use when you are managing a limited resource

System.Collections.Queue

For example you might want to send messages to a resource that can only handle one message at a time.
The main methods are Dequeue and Enqueue

Count	The number of elements in the queue
Clear	Removes all the objects
Contains	Does an element exist
CopyTo	Copies the elements to an existing one-dimensional array
Dequeue	Removes and returns the object at the beginning of the queue
Enqueue	Adds an object to the end of the queue
GetEnumerator	Returns an enumerator for the queue
Peek	Returns the object at the beginning of the queue without removing it
ToArray

What is a Generic.Queue ?

Represents a generic queue of objects
a first-in first out structure
items are added with "Enqueue" and removed with "Dequeue"
The "Peek" method retrieves the oldest object but does not remove it.