Binary read and write with BinaryWriter and BinaryReader : BinaryWriter « File Directory « Visual C++ .NET

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

Binary read and write with BinaryWriter and BinaryReader

 

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


ref class Role
{
    String ^Name;
    Int32   Strength;
    Boolean IsMale;
    DateTime CreateDate;

public:
    Role();
    Role (String ^Name, int Str, bool IsMale);

    void Print();
    void Save(String ^fname);
    void Load(String ^fname);
};

Role::Role()
{
}

Role::Role (String ^Name, int Str, bool IsMale)
{
    this->Name     = Name;
    this->Strength = Str;
    this->IsMale   = IsMale;
    this->CreateDate = DateTime::Now;
}

void Role::Print()
{
    Console::WriteLine("Name: {0} ({1})", Name, (IsMale ? "M" : "F"));
    Console::WriteLine("Str:  {0}", Strength);
    Console::WriteLine("Date: {0}", CreateDate.ToString());
}

void Role::Save(String ^fname)
{
    FileStream   ^fs = File::OpenWrite(fname);
    BinaryWriter ^bw = gcnew BinaryWriter(fs);

    bw->Write(Name);
    bw->Write(Strength);
    bw->Write(IsMale);
    bw->Write(CreateDate.Ticks);  

    bw->Close();
    fs->Close();
}

void Role::Load(String ^fname)
{
    FileStream   ^fs = File::OpenRead(fname);
    BinaryReader ^br = gcnew BinaryReader(fs);

    Name     = br->ReadString();
    Strength = br->ReadInt32();
    IsMale   = br->ReadBoolean();

    CreateDate = DateTime( br->ReadInt64() );

    br->Close();
    fs->Close();
}

void main(){
    Role ^r = gcnew Role("r", 10, true);
    r->Save("Role.dat");

    Console::WriteLine("Original r");
    r->Print();

    Role ^rClone = gcnew Role();
    rClone->Load("Role.dat");

    Console::WriteLine("\nCloned r");
    rClone->Print();
}

   
  

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