ISCSIConsole-Fork/DiskAccessLibrary/IoUtility.cs

using System.IO;

namespace DiskAccessLibrary
{
    public static class IoUtility
    {
        public static long GetRealFileSize(string path)
        {
            using (var fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
            {
                return fs.Length;
            }
        }
    }
}