/// <summary>
        /// Initializes a new instance of the MainWindow class.
        /// </summary>
        public MainWindow()
        {
            kinectHandler = new KinectDataHandler();

            Task.Run(async() =>
            {
                var jsonProperties = JsonLoader.ToProperties <JsonProperties>(JsonLoader.PATH_INITIALIZE);
                iotConnection      = await IotConnection.Create(jsonProperties);

                iotConnectionQueue = await IoTConnectionQueue.Create(
                    iotConnection.Connect(),
                    kinectHandler
                    );
            });

            // one sensor is currently supported
            this.kinectSensor = KinectSensor.GetDefault();

            // get the coordinate mapper
            this.coordinateMapper = this.kinectSensor.CoordinateMapper;

            // get the depth (display) extents
            FrameDescription frameDescription = this.kinectSensor.DepthFrameSource.FrameDescription;

            // get size of joint space
            this.displayWidth  = frameDescription.Width;
            this.displayHeight = frameDescription.Height;

            // open the reader for the body frames
            this.bodyFrameReader = this.kinectSensor.BodyFrameSource.OpenReader();

            // a bone defined as a line between two joints
            this.bones = new List <Tuple <JointType, JointType> >();

            // Torso
            this.bones.Add(new Tuple <JointType, JointType>(JointType.Head, JointType.Neck));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.Neck, JointType.SpineShoulder));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.SpineShoulder, JointType.SpineMid));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.SpineMid, JointType.SpineBase));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.SpineShoulder, JointType.ShoulderRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.SpineShoulder, JointType.ShoulderLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.SpineBase, JointType.HipRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.SpineBase, JointType.HipLeft));

            // Right Arm
            this.bones.Add(new Tuple <JointType, JointType>(JointType.ShoulderRight, JointType.ElbowRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.ElbowRight, JointType.WristRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.WristRight, JointType.HandRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.HandRight, JointType.HandTipRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.WristRight, JointType.ThumbRight));

            // Left Arm
            this.bones.Add(new Tuple <JointType, JointType>(JointType.ShoulderLeft, JointType.ElbowLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.ElbowLeft, JointType.WristLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.WristLeft, JointType.HandLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.HandLeft, JointType.HandTipLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.WristLeft, JointType.ThumbLeft));

            // Right Leg
            this.bones.Add(new Tuple <JointType, JointType>(JointType.HipRight, JointType.KneeRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.KneeRight, JointType.AnkleRight));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.AnkleRight, JointType.FootRight));

            // Left Leg
            this.bones.Add(new Tuple <JointType, JointType>(JointType.HipLeft, JointType.KneeLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.KneeLeft, JointType.AnkleLeft));
            this.bones.Add(new Tuple <JointType, JointType>(JointType.AnkleLeft, JointType.FootLeft));

            // populate body colors, one for each BodyIndex
            this.bodyColors = new List <Pen>();

            this.bodyColors.Add(new Pen(Brushes.Red, 6));
            this.bodyColors.Add(new Pen(Brushes.Orange, 6));
            this.bodyColors.Add(new Pen(Brushes.Green, 6));
            this.bodyColors.Add(new Pen(Brushes.Blue, 6));
            this.bodyColors.Add(new Pen(Brushes.Indigo, 6));
            this.bodyColors.Add(new Pen(Brushes.Violet, 6));

            // set IsAvailableChanged event notifier
            this.kinectSensor.IsAvailableChanged += this.Sensor_IsAvailableChanged;

            // open the sensor
            this.kinectSensor.Open();

            // set the status text
            this.StatusText = this.kinectSensor.IsAvailable ? Properties.Resources.RunningStatusText
                                                                : Properties.Resources.NoSensorStatusText;

            // Create the drawing group we'll use for drawing
            this.drawingGroup = new DrawingGroup();

            // Create an image source that we can use in our image control
            this.imageSource = new DrawingImage(this.drawingGroup);

            // use the window object as the view model in this simple example
            this.DataContext = this;

            // initialize the components (controls) of the window
            this.InitializeComponent();

            if (this.bodyFrameReader != null)
            {
                this.bodyFrameReader.FrameArrived += this.Reader_FrameArrived;
            }
        }