1:  class Program 

2:     {

3:         static void Main(string[] args)

4:         {

5:              //Standard way of passing values for parameters by its positions   

6:             Console.WriteLine(Add(3, 4));

7:

8:              //Named Argument Calling C# 4.0  

9:             Console.WriteLine(Add(x: 5, y: 8));

10:

11:              //Named Argument Calling C# 4.0 "Not the order isn't important"  

12:             Console.WriteLine(Add(y:33, x: 9));

13:

14:              //Named Argument Calling C# 4.0 "Named Argument must be after fixed arguments"  

15:             Console.WriteLine(Add(65,y:8));

16:

17:              //Error "Named argument specifications must appear after all fixed arguments have been specified"  

18:              //Console.WriteLine(c.Add(y:2,3));  

19:         }

20:

21:         public static int Add(int x, int y)

22:         {

23:             return x + y;

24:         }

25:     }

26: