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;
using System.IO;

namespace BufStream
{
    class BufStreamApp
    {
        [STAThread]
        static void Main(string[] args)
        {
            // Create a FileStream for the BufferedStream
            FileStream fs = new FileStream("Hoo.txt",
                FileMode.Create, FileAccess.ReadWrite);
            BufferedStream bs = new BufferedStream(fs);
            Console.WriteLine(
                "Length: {0}\tPosition: {1}",
                bs.Length, bs.Position);

            for (int i = 0; i < 64; i++)
            {
                bs.WriteByte((byte)i);
            }
            Console.WriteLine(
                "Length: {0}\tPosition: {1}",
                bs.Length, bs.Position);

            // Reset to the beginning and read the data
            Console.WriteLine("\nContents:");
            byte[] ba = new byte[bs.Length];
            bs.Position = 0;
            bs.Read(ba, 0, (int)bs.Length);
            foreach (byte b in ba)
            {
                Console.Write("{0,-3}", b);
            }

            // Write some more, exceeding capacity
            string s = "Foo";
            for (int i = 0; i < 3; i++)
            {
                bs.WriteByte((byte)s[i]);
            }
            Console.WriteLine(
                "\nLength: {0}\tPosition: {1}\t",
                bs.Length, bs.Position);

            for (int i = 0; i < (256-67)+1; i++)
            {
                bs.WriteByte((byte)i);
            }
            Console.WriteLine(
                "\nLength: {0}\tPosition: {1}\t",
                bs.Length, bs.Position);

            bs.Close();
        }
    }
}