public async Task LoadDronesFromCore()
{
_drones.Clear();
DronePost.DataModel.Drone[] arrTmpDrones = await _coreServiceClient.GetDronesAsync();
foreach (var drone in arrTmpDrones)
{
_drones.Add(new Drone(drone, _messageHandler));
}
foreach (var drone in _drones)
{
HostDrone(drone);
}
}