private void btnopencookie_Click(object sender, EventArgs e)
        {
            string OpenfileStatus = AppExtension.OpenfileDialog("File cookie á");

            if (OpenfileStatus == "chưa có mở")
            {
                return;
            }
            txtcookiefile.Text = OpenfileStatus;
        }
        private void btnopenemail_Click(object sender, EventArgs e)
        {
            string OpenfileStatus = AppExtension.OpenfileDialog("File email á");

            if (OpenfileStatus == "chưa có mở")
            {
                return;
            }
            txtemail.Text = OpenfileStatus;
            TotalCount    = Convert.ToInt32(File.ReadAllLines(OpenfileStatus).Length);
        }