class1.cs

C#开发教程 由浅入深 配有实例 是初学者的好帮手

using System;

namespace ValRefArgs
{
	class AnotherClass
	{
		public int ID;
	}
	class SomeClass
	{
		public int ChangeInt(int val)
		{
			return val*2;
		}
		public AnotherClass ChangeObject(AnotherClass ref1)
		{
			ref1.ID = ref1.ID*2;
			return ref1;
		}
	}

	class ValRefTest
	{
		static void Main(string[] args)
		{
			SomeClass sc = new SomeClass();
			int val1 = 3;
			int val2 = sc.ChangeInt(val1);
			Console.WriteLine("val1 = {0}, val2 = {1}", 
				val1, val2);

			AnotherClass ref1 = new AnotherClass();
			ref1.ID = 3;
			AnotherClass ref2 = sc.ChangeObject(ref1);
			Console.WriteLine("ref1.ID = {0}, ref2.ID = {1}",
				ref1.ID, ref2.ID);
		}
	}
}