convert file to bytearray and reverse

array ^FileToByteArray(System::String ^_FileName)
{
array ^_Buffer = nullptr;
try
{
// Open file for reading
System::IO::FileStream ^_FileStream = gcnew System::IO::FileStream(_FileName, System::IO::FileMode::Open, System::IO::FileAccess::Read);
// attach filestream to binary reader
System::IO::BinaryReader ^_BinaryReader = gcnew System::IO::BinaryReader(_FileStream);
// get total byte length of the file
System::IO::FileInfo ^_FileInfo = gcnew System::IO::FileInfo(_FileName);
System::Int64 _TotalBytes = _FileInfo->Length;
// read entire file into buffer
_Buffer = _BinaryReader->ReadBytes(safe_cast(_TotalBytes));
// close file reader
_FileStream->Close();
delete _FileStream;
_BinaryReader->Close();
}
catch (Exception ^_Exception)
{
// Error
Console::WriteLine("Exception caught in process: {0}", _Exception->ToString());
}
return _Buffer;
}

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