// C# Extension Method

// Doc: https://csharp-extension.com/en/method/1002250/datetime-age

​

// @nuget: Z.ExtensionMethods

​

using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        DateTime date = new DateTime(2010, 1, 25);

​

        // C# Extension Method: DateTime - Age

        int age = date.Age();

        Console.WriteLine("Number of years (age): {0}", age);

    }

}