มือใหม่ C# คำถามเกี่ยวกับโปรแกรม C# แบบ short - Circuit(App)

using System;
namespace Chanatza
{
    class Mounova
    {
        static void Main()
        {
            int x = 4;
            int y = 5;
            Console.WriteLine("x = {0}, y = {1}", x, y);
            bool result = true && (++x == y);
            Console.WriteLine("result = {0}", result);
            Console.WriteLine("x = {0}, y ={1} ", x, y);
            result = true && (++x == y);
            Console.WriteLine("result = {0}", result);
            Console.WriteLine("x = {0}, y = {1}", x, y);
            Console.ReadLine();
        }
    }
}