How to: Create an Iterator Block for a List of Integers (C# Programming Guide)
Visual Studio 2005
In this example, an array of integers is used to build the list SampleCollection. A for loop iterates through the collection and yields the value of each item. Then a foreach loop is used to display the items of the collection.
Example
// Declare the collection: public class SampleCollection { public int[] items; public SampleCollection() { items = new int[5] { 5, 4, 7, 9, 3 }; } public System.Collections.IEnumerable BuildCollection() { for (int i = 0; i < items.Length; i++) { yield return items[i]; } } } class MainClass { static void Main() { SampleCollection col = new SampleCollection(); // Display the collection items: System.Console.WriteLine("Values in the collection are:"); foreach (int i in col.BuildCollection()) { System.Console.Write(i + " "); } } }
Output
Values in the collection are: 5 4 7 9 3 | |
