Default and Explicit Interface Implementations

Default_and_Explicit_InterfaceImplementation.cs

using System;

/* //Default and Explicit Interface Implementation//
 * 
 * If you want to make one of the interface methods act as default -- then implement that method normally, and the other interface explicitly.
 *  + This will make the default method able to be accessed through a class instance
 *
 */

interface I1 //default interface method implement implicitly
{
    void InterfaceMethod();
}

interface I2 //not default, implement explicitely 
{
    void InterfaceMethod();
}

public class Program : I1, I2
{
    public void InterfaceMethod() //implicit interface member implementation 
    {
        Console.WriteLine("I1 interface InterfaceMethod called");
    }

    void I2.InterfaceMethod() //explicit interface member implementation
    {
        Console.WriteLine("I2 interface InterfaceMethod called");
    }

    public static void Main()
    {
        var P = new Program();

        P.InterfaceMethod(); //this will invoke the default, implicit, interface implementation

        ((I2)P).InterfaceMethod(); //this will invoke the explicit interface implementation (typecast P to be of type I2 for access)

        Console.ReadKey();
    }
}