public string sizeScreenShoot()
        {
            string return_LogWebCam = "";
            long   FunMustRe_Key2   = 0;

            try
            {
                string        dire  = System.IO.Directory.GetCurrentDirectory();
                DirectoryInfo dir   = new DirectoryInfo(dire);
                FileInfo[]    files = dir.GetFiles("*.png");
                foreach (var item in files)
                {
                    string[] items = item.ToString().Split('°');
                    if (items[4] == "Screenshoot")
                    {
                        string filepath = Path.GetFullPath(item.Name);
                        FunMustRe_Key2 += new System.IO.FileInfo(filepath).Length;
                    }
                }
            }
            catch
            {
            }
            if (FunMustRe_Key2 < 1024)
            {
                return_LogWebCam = FunMustRe_Key2.ToString() + " Bytes";
            }
            else if (FunMustRe_Key2 >= 1024)
            {
                return_LogWebCam = (FunMustRe_Key2 / 1024).ToString() + " Kb";
            }
            else if (FunMustRe_Key2 >= 1048576)
            {
                return_LogWebCam = (FunMustRe_Key2 / 1048576).ToString() + " Mb";
            }
            return(return_LogWebCam);
        }
        public string size_LogApp()
        {
            string return_LogApp  = "";
            long   FunMustRe_Key2 = 0;

            try
            {
                string        dire  = System.IO.Directory.GetCurrentDirectory();
                DirectoryInfo dir   = new DirectoryInfo(dire);
                FileInfo[]    files = dir.GetFiles("*.txt");
                foreach (var item in files)
                {
                    if (item.ToString() == "logApp.txt")
                    {
                        string filepath = Path.GetFullPath(item.Name);
                        FunMustRe_Key2 = new System.IO.FileInfo(filepath).Length;
                    }
                }
            }
            catch
            {
            }
            if (FunMustRe_Key2 < 1024)
            {
                return_LogApp = FunMustRe_Key2.ToString() + " Bytes";
            }
            else if (FunMustRe_Key2 >= 1024)
            {
                return_LogApp = (FunMustRe_Key2 / 1024).ToString() + " Kb";
            }
            else if (FunMustRe_Key2 >= 1048576)
            {
                return_LogApp = (FunMustRe_Key2 / 1048576).ToString() + " Mb";
            }
            return(return_LogApp);
        }