private void OkNewHostDevice(object obj)
 {
     HostDevices.Add(new HostDevice
     {
         Name = NewHostDeviceInput
     });
     NewHostDeviceInput         = "";
     SelectedHostDevice         = HostDevices[HostDevices.Count - 1];
     IsEditingNewHostDeviceName = false;
 }
        private void DeleteHostDevice(HostDevice device)
        {
            int i = HostDevices.IndexOf(device);

            HostDevices.Remove(device);

            if (HostDevices.Count == 0)
            {
                SelectedHostDevice = null;
            }
            else
            {
                if (i == 0)
                {
                    SelectedHostDevice = HostDevices[0];
                }
                else
                {
                    SelectedHostDevice = HostDevices[i - 1];
                }
            }
        }