// Constructor
public ConcreteIterator(ConcreteAggregate aggregate)
{
this._aggregate = aggregate;
}
/// <summary>
/// Entry point into console application.
/// </summary>
static void Main()
{
ConcreteAggregate a = new ConcreteAggregate();
a[0] = "Item A";
a[1] = "Item B";
a[2] = "Item C";
a[3] = "Item D";
// Create Iterator and provide aggregate
ConcreteIterator i = new ConcreteIterator(a);
Console.WriteLine("Iterating over collection:");
Console.Write("\tFROM: http://www.dofactory.com/net/iterator-design-pattern")
object item = i.First();
while (item != null)
{
Console.WriteLine(item);
item = i.Next();
}
// Wait for user
Console.ReadKey();
}