/// <summary>
        /// Starting/Stopping Liveview
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void cbLiveView_CheckedChanged(object sender, EventArgs e)
        {
            if ((sender as CheckBox).Checked)
            {
                mjsource = new PtxK_S2.MJPEGSource();
                mjsource.VideoSource = string.Format("http://{0}/v1/liveview", Properties.Settings.Default.IPAdressCamera);
                mjsource.NewFrame += mjsource_NewFrame;
                mjsource.Start();

            }
            else
            {
                mjsource.Stop();
                mjsource = null;
            }
        }