Explicitly implement an interface member : Explicit Interface Implementation : Class C# Examples

    
using  System;  
  
interface  MyInterface  {  
    bool  MyMethodA(int  x);  
    bool  MyMethodB(int  x);  
}  
  
class  MyClass  :  MyInterface  {  
  
    //  Explicit  implementation.  
    bool  MyInterface.MyMethodA(int  x)  {  
        if((x%2)  !=  0)  
              return  true;  
        else  
              return  false;  
    }  
  
    //  Normal  implementation.  
    public  bool  MyMethodB(int  x)  {  
        MyInterface  o  =  this;  //  reference  to  invoking  object  
  
        return  !o.MyMethodA(x);  
    }  
}  
  
class  MainClass  {  
    public  static  void  Main()  {  
        MyClass  ob  =  new  MyClass();  
        bool  result;  
  
        result  =  ob.MyMethodB(4);  
        if(result)  Console.WriteLine("4  is  even.");  
  
        //  result  =  ob.MyMethodA(4);  //  Error,  MyMethodA  not  directly  accessible  
  
        MyInterface  iRef  =  (MyInterface)  ob;  
        result  =  iRef.MyMethodA(3);  
        if(result)  Console.WriteLine("3  is  odd.");  
  
    }  
}