class Program
{
    static void Main(string[] args)
    {
      /*声明类对象 并赋值10*/
      TestClass TC1 = new TestClass();
      TC1.x = 10;
      TC1.y = "10";
      Console.WriteLine("/*声明类对象TC1 并赋值10*/");
      Console.WriteLine("TC1 x={0} y={0}", TC1.x, TC1.y);
      TC1.x = 20;
      TC1.y = "20";
      Console.WriteLine("/*修改类对象 TC1 值为20*/");
      Console.WriteLine("TC1 x={0} y={0}", TC1.x, TC1.y);

      /*执行类传递 并修改传递后的值*/
      Console.WriteLine("/*创建类对象 TC2 指向 TC1,并修改 值为10*/");
      TestClass TC2 = TC1;
      TC2.x = 10;
      TC2.y = "10";
      Console.WriteLine("/*类传输过程中传递的是存储在堆栈中的引用地址 传输中消耗内存小 并没有传送存储在堆中的值 所以原有对象受到影响*/");
      Console.WriteLine("TC1 x={0} y={0}", TC1.x, TC1.y);
      Console.WriteLine("TC2 x={0} y={0}", TC2.x, TC2.y);

      /*声明结构对象*/
      Console.WriteLine("/*声明结构对象TS1 并赋值10*/");
      TestStruct TS1 = new TestStruct();
      TS1.x = 10;
      TS1.y = "10";
      Console.WriteLine("TS1 x={0} y={0}", TS1.x, TS1.y);
      Console.WriteLine("/*修改结构对象 TS1 值为20*/");
      TS1.x = 20;
      TS1.y = "20";
      Console.WriteLine("TS1 x={0} y={0}", TS1.x, TS1.y);
      /*执行结构传递 并修改传递后的值*/
      Console.WriteLine("/*创建结构对象 TS2 指向 TS1,并修改 值为10*/");
      TestStruct TS2 = TS1;
      TS2.x = 10;
      TS2.y = "10";
      Console.WriteLine("/*结构传输过程中 会传递整个对象的副本 传输中消耗内存大 所以修改对原有对象不受影响*/");
      Console.WriteLine("TS1 x={0} y={0}", TS1.x, TS1.y);
      Console.WriteLine("TS2 x={0} y={0}", TS2.x, TS2.y);

      Console.ReadLine();
    }
}
public class TestClass
{
  public int x;
  public string y;
}
public struct TestStruct
{
  public int x;
  public string y;
}