private async void allLightsOn()
        {
            var command = new LightCommand();

            command.On         = true;
            command.Brightness = 254; // to avoid switching on and still see nothing
            HueResults results = await client.SendCommandAsync(command);

            statusLabel.Text = gatherResults(results);
            foreach (System.Windows.Forms.Control control in flowLayoutPanel.Controls)
            {
                LightControl lc = (LightControl)control;
                lc.Resync();
            }
        }
        private async void allLightsOff()
        {
            var command = new LightCommand();

            command.On = false;
            Task <HueResults> task    = client.SendCommandAsync(command);
            HueResults        results = await task;

            statusLabel.Text = gatherResults(results);
            foreach (System.Windows.Forms.Control control in flowLayoutPanel.Controls)
            {
                LightControl lc = (LightControl)control;
                lc.Resync();
            }
        }
        private async void setClient(bool value)
        {
            buttonAllOff.Enabled = buttonAllOn.Enabled = buttonBlink2.Enabled = value;

            flowLayoutPanel.SuspendLayout();
            flowLayoutPanel.Controls.Clear();

            if (value)
            {
                var lights = await client.GetLightsAsync();

                if (lights != null)
                {
                    foreach (Light light in lights)
                    {
                        LightControl ctrl = new LightControl();
                        ctrl.Light  = light;
                        ctrl.Client = client;
                        flowLayoutPanel.Controls.Add(ctrl);
                    }
                }
            }
            flowLayoutPanel.ResumeLayout();
        }