C#でバイナリファイルをバイト配列に読み込む

using System.IO;

public byte[] LoadBinary(string path)
{
    byte[] loadData;

    using(FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read)){

        loadData = new byte[fileStream.Length];
        fileStream.Read(loadData , 0, loadData .Length);
    }

    return loadData;
}