Files and Streams

Memory Stream

Write bytes to memory and read back stream facts.

Memory Stream

MemoryStreamExample.cs 
using System;
using System.IO;

class Program
{
    static void Main()
    {
        int firstByte = ;

        using MemoryStream stream = new MemoryStream();
        stream.WriteByte((byte)firstByte);
        stream.WriteByte(90);

        long length = stream.Length;
        int first = (int)stream.ToArray()[0];

        Console.WriteLine($"length={length}");
        Console.WriteLine($"first={first}");
    }
}

using System;
using System.IO;

class Program
{
    static void Main()
    {
        int firstByte = ;

        using MemoryStream stream = new MemoryStream();
        stream.WriteByte((byte)firstByte);
        stream.WriteByte(90);

        long length = stream.Length;
        int first = (int)stream.ToArray()[0];

        Console.WriteLine($"length={length}");
        Console.WriteLine($"first={first}");
    }
}

using System;
using System.IO;

class Program
{
    static void Main()
    {
        int firstByte = ;

        using MemoryStream stream = new MemoryStream();
        stream.WriteByte((byte)firstByte);
        stream.WriteByte(90);

        long length = stream.Length;
        int first = (int)stream.ToArray()[0];

        Console.WriteLine($"length={length}");
        Console.WriteLine($"first={first}");
    }
}
streams A `MemoryStream` stores bytes in memory instead of on disk.