// File csValVsRef.cs.txt
// Single cSharp Console Project Solution "csValVsRef"
// Demonstrating the behavior of Value Vs. Ref Types

using System;

namespace csValVsRef
{
   public class ClassLibrary
   {
      private int num;
      public int Number
      {
         get
         {
            return num;
         }
         set
         {
            num = value;
         }
      }
   }
   
   class ValVsRef
   {
      static void Main(string[] args)
      {
         Console.WriteLine("Comparing Integers...");
         CompareIntegers();
         Console.WriteLine("Comparing Objects....");
         CompareClassObjects();
         Console.Write("Press Enter to Exit... ");
         Console.ReadLine();
      }
      public static void Show(object Arg1, object Arg2)
      {
         Console.WriteLine("");
         Console.WriteLine("------------------------");
         Console.WriteLine("Arg1: " + Arg1.ToString());
         Console.WriteLine("Arg2: " + Arg2.ToString());
         Console.WriteLine("------------------------");
         Console.ReadLine();
      }

      public static void CompareIntegers()
      {
         int int1;
         int int2;

         Console.WriteLine("int1 = 1");
         int1 = 1;
         Console.WriteLine("int2 = int1");
         int2 = int1;
         Show(int1, int2);

         Console.WriteLine("int2 = 2");
         int2 = 2;
         Show(int1, int2);
      }

      public static void CompareClassObjects()
      {
         ClassLibrary obj1;
         obj1 = new ClassLibrary();
         ClassLibrary obj2 = new ClassLibrary();

         Console.WriteLine("obj1.Number = 1");
         obj1.Number = 1;
         Show(obj1.Number, obj2.Number);

         Console.WriteLine("obj2 = obj1");
         obj2 = obj1;
         Show(obj1.Number, obj2.Number);

         Console.WriteLine("obj2.Number = 2");
         obj2.Number = 2;
         Show(obj1.Number, obj2.Number);
      }
   }
}