FileStream实现多媒体文件复制

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FileStream应用
{
    class Program
    {
        static void Main(string[] args)
        {
            using (FileStream fs = new FileStream(@"F:\songs\平凡之路.wav", FileMode.OpenOrCreate, FileAccess.Read))
            {
                using (FileStream fs2 = new FileStream(@"F:\songs\平凡之路3.wav", FileMode.OpenOrCreate, FileAccess.Write))
                {
                    byte[] bytes = new byte[1024 * 1024 * 5];
                    while (true)
                    {
                        
                        int r = fs.Read(bytes, 0, bytes.Length);
                        if(r<=0)
                        {
                            break;
                        }
                        fs2.Write(bytes, 0, r);

                    }
                }
            }
        }
    }
}