Read byte from binary file : FileStream « File Directory « Visual C++ .NET

1. Visual C++ .NET
2. File Directory
3. FileStream

Read byte from binary file

 

#include "stdafx.h"
using namespace System;
using namespace System::IO;

void main()
{
    FileStream ^fso = gcnew FileStream("file.dat", FileMode::Create,FileAccess::Write, FileShare::None);

    array<unsigned char>^ data = gcnew array<unsigned char> { 'T', 'h', 'i','\r', '\n' };

    for (int i = 0; i < data->Length-5; i += 5)
    {
        fso->Write(data, i, 5);
    }


    fso->Close();
    FileInfo ^fi = gcnew FileInfo("file.dat");
    FileStream ^fsi = fi->OpenRead();

  int fileLength = (int)fi->Length;

    int b;
    while ((b = fsi->ReadByte()) != -1)
    {
        Console::Write((Char)b);
    }

    fsi->Position = 0;

    array<unsigned char>^ ca = gcnew array<unsigned char>(fileLength);
    fsi->Read(ca, 0, fileLength);
    for (int i = 0; i < ca->Length; i++)
    {
        Console::Write((Char)ca[i]);
    }

    fsi->Close();
    fi->Delete();

}

   
  

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