void caspar_Disconnected(object sender, Svt.Network.NetworkEventArgs e)
        {
            CasparDevice casparDevice = (CasparDevice)sender;

            if (casparDevice != null && devices_.ContainsKey(casparDevice.Settings.Hostname))
            {
                devices_[casparDevice.Settings.Hostname].HasValidConnection = false;
                UpdateValidConnections();
            }
        }
        void caspar_Connected(object sender, Svt.Network.NetworkEventArgs e)
        {
            CasparDevice casparDevice = (CasparDevice)sender;

            casparDevice.RefreshMediafiles();
        }