filestream 读取视频文件

  class Program
     {
         static void Main(string[] args)
         {
  string source = @"F:\361\android studio\4.0\亲情奉献-全套精品.Net基础班视频教程-video\亲情奉献全套精品.Net基础视频教程之10-面向对象多态\（第十二天）\video/13、模拟移动硬盘、U盘、MP3.avi";
             string target = @"C:\Users\dell-\Desktop/new.avi";
             copy(source, target);
             Console.WriteLine("ok");

         }
         public static void copy(string source, string target)
         {
             using (FileStream fsread = new FileStream(source, FileMode.Open, FileAccess.Read))
             {
                 using (FileStream fswrite = new FileStream(target, FileMode.OpenOrCreate, FileAccess.Write))
                 {
                      *  * ];
                     while (true)
                     {
                         , b.Length);
                         )
                         {
                             break;
                         }
                         fswrite.Write(b, , a);
                     }

                 }
             }
         }
     }