VAGSuite.frmMain.ValidateFile C# (CSharp) Метод

        private bool ValidateFile()
        {
            bool retval = true;
            if (File.Exists(Tools.Instance.m_currentfile))
            {
                if (Tools.Instance.m_currentfile == string.Empty)
                {
                    retval = false;
                }
                else
                {
                    FileInfo fi = new FileInfo(Tools.Instance.m_currentfile);
                    if (fi.Length != 0x80000)
                    {
                        retval = false;
                    }
                }
            }
            else
            {
                retval = false;
                Tools.Instance.m_currentfile = string.Empty;
            }
            return retval;
        }