Pro C# 2010 and the .NET 4 Platform, Fifth Edition

9.4. Invoking Interface Members at the Object Level

Now that you have some classes that support the IPointy interface, the next question is how you interact with the new functionality. The most straightforward way to interact with functionality supplied by a given interface is to invoke the members directly from the object level (provided the interface members are not implemented explicitly; more details later in the section "Resolving Name Clashes via Explicit Interface Implementation"). For example, consider the following Main() method:

static void Main(string[] args) { Console.WriteLine("***** Fun with Interfaces *****\n"); // Call Points property defined by IPointy. Hexagon hex = new Hexagon(); Console.WriteLine("Points: {0}", hex.Points); ...