private void Service_StrokeUpdated(object sender, StrokeUpdatedEventArgs e)
        {
            var pathPart = e.PathPart;
            var data     = pathPart.Data.GetEnumerator();

            //Data is stored XYW
            float x = -1;
            float y = -1;
            float w = -1;

            if (data.MoveNext())
            {
                x = data.Current;
            }

            if (data.MoveNext())
            {
                y = data.Current;
            }

            if (data.MoveNext())
            {
                //Clamp to 0.0 -> 1.0
                w = Math.Max(0.0f, Math.Min(1.0f, (data.Current - 1.0f) * pFactor));
            }

            var point = new System.Windows.Input.StylusPoint(x * m_scale, y * m_scale, w);

            if (m_addNewStrokeToModel)
            {
                m_addNewStrokeToModel = false;
                var points = new System.Windows.Input.StylusPointCollection();
                points.Add(point);

                var stroke = new Stroke(points);
                stroke.DrawingAttributes = m_DrawingAttributes;

                Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
                {
                    _strokes.Add(stroke);
                }));
            }
            else
            {
                Dispatcher.Invoke(DispatcherPriority.Background, new Action(() =>
                {
                    _strokes[_strokes.Count - 1].StylusPoints.Add(point);
                }));
            }
        }
 private void Service_StrokeUpdated(object sender, StrokeUpdatedEventArgs e)
 {
     throw new NotImplementedException();
 }