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 ColorByRef
{
	class Color
	{
		public Color()
		{
			this.red = 0;
			this.green = 127;
			this.blue = 255;
		}

		protected int red;
		protected int green;
		protected int blue;

		public void GetRGB(
			ref int red, ref int green, ref int blue)
//			int red, int green, int blue)
		{
			red = this.red;
			green = this.green;
			blue = this.blue;
		}

	}

	class Class1
	{
		[STAThread]
		static void Main(string[] args)
		{
			Color c = new Color();
			int red = 0;
			int green = 0;
			int blue = 0;
			c.GetRGB(ref red, ref green, ref blue);
//			c.GetRGB(red, green, blue);

			Console.WriteLine("R={0}, G={1}, B={2}",
				red, green, blue);
		}
	}
}