using System;

using System.IO;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var ms = new MemoryStream();

        var bw = new BinaryWriter(ms);

        bw.Write(1.4f);

        bw.Write(9.4);

        bw.Write(122);

        bw.Write(1);

        for (int i = 0; i < 256; ++i) {

            bw.Write("01234567");

        }

        var br = new BinaryReader(ms);

        // byte[] bts = br.ReadBytes(0);

        // string btsS = string.Join(", ", bts.Select(e => $"{e}"));

        // Console.WriteLine($"Hello World {bts.Length}  {btsS}");

        var str = string.Join(", ", ms.ToArray().Select(e => $"{e}"));

        Console.WriteLine($"---  cap={ms.Capacity} len={ms.Length} pos={ms.Position} str={str}");

        ms.Seek(0, SeekOrigin.Begin);

        ms.SetLength(0);

        bw.Write(1);

        bw.Write(1.2);

        str = string.Join(", ", ms.ToArray().Select(e => $"{e}"));

        Console.WriteLine($"---  cap={ms.Capacity} len={ms.Length} pos={ms.Position} str={str}");

    }

}