private void OnConnectDevice(object sender, RoutedEventArgs e)
        {
            BLEScanContentDialog.Hide();
            StopBleDeviceWatcher();
            var bluetoothDevice = (sender as Button).DataContext as BluetoothLEDeviceDisplay;

            Frame.Navigate(typeof(BLEnode), bluetoothDevice.Id);
        }
 private void OnCancelSearchNodes(object sender, RoutedEventArgs e)
 {
     BLEScanContentDialog.Hide();
     StopBleDeviceWatcher();
 }