gistfile1.txt

// Canvas

        private Windows.UI.Xaml.Shapes.Path _Current;

        private void inkCanvas_PointerReleased(object sender, PointerRoutedEventArgs e)
        {
            _Current = null;
        }

        private void inkCanvas_PointerMoved(object sender, PointerRoutedEventArgs e)
        {
            var pointer = e.GetCurrentPoint(inkCanvas);
            if (!pointer.Properties.IsLeftButtonPressed || _Current == null)
                return;
            var segments = (_Current.Data as PathGeometry).Figures.First().Segments.First() as PolyLineSegment;
            segments.Points.Add(pointer.Position);
        }

        private void inkCanvas_PointerPressed(object sender, PointerRoutedEventArgs e)
        {
            var pointer = e.GetCurrentPoint(inkCanvas);
            if (!pointer.Properties.IsLeftButtonPressed)
                return;

            _Current = new Windows.UI.Xaml.Shapes.Path
            {
                Data = new PathGeometry
                {
                    Figures =
                    {
                        new PathFigure
                        {
                            StartPoint = pointer.Position,
                            Segments = {new PolyLineSegment()}
                        }
                    }
                },
                Stroke = new SolidColorBrush(_colors),
                StrokeThickness = _strokeThickness,
            };

            inkCanvas.Children.Add(_Current);
        }

        // Canvas end