private void BtnMIAddSnapPoint_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         double        value        = Convert.ToDouble(txtMISnapPointValue.Text);
         ZoomSnapPoint newSnapPoint = new ZoomSnapPoint(value);
         markupScrollPresenter.ZoomSnapPoints.Add(newSnapPoint);
     }
     catch (Exception ex)
     {
         this.fullLogs.Add(ex.ToString());
         txtExceptionReport.Text = ex.ToString();
     }
 }
        private void CanAddAndRemoveSnapPointsFromAScroller(ScrollSnapPointsAlignment alignment)
        {
            Scroller                scroller   = null;
            ScrollSnapPoint         snapPoint2 = null;
            RepeatedScrollSnapPoint snapPoint3 = null;
            RepeatedScrollSnapPoint snapPoint4 = null;

            RunOnUIThread.Execute(() =>
            {
                scroller = new Scroller();
                ScrollSnapPoint snapPoint1 = new ScrollSnapPoint(snapPointValue: 10, alignment: alignment);
                snapPoint2 = new ScrollSnapPoint(snapPointValue: 10, alignment: alignment);
                snapPoint3 = new RepeatedScrollSnapPoint(offset:  10, interval: 10, start:  10, end: 100, alignment: alignment);
                snapPoint4 = new RepeatedScrollSnapPoint(offset: 100, interval: 10, start: 100, end: 200, alignment: alignment);
                ZoomSnapPoint snapPoint5 = new ZoomSnapPoint(snapPointValue: 10);
                scroller.HorizontalSnapPoints.Add(snapPoint1);
                scroller.VerticalSnapPoints.Add(snapPoint1);
                scroller.ZoomSnapPoints.Add(snapPoint5);
            });

            IdleSynchronizer.Wait();

            RunOnUIThread.Execute(() =>
            {
                Verify.AreEqual <int>(1, scroller.HorizontalSnapPoints.Count);
                Verify.AreEqual <int>(1, scroller.VerticalSnapPoints.Count);
                Verify.AreEqual <int>(1, scroller.ZoomSnapPoints.Count);
                scroller.HorizontalSnapPoints.Add(snapPoint2);
                scroller.HorizontalSnapPoints.Add(snapPoint3);
                scroller.HorizontalSnapPoints.Add(snapPoint4);
            });

            IdleSynchronizer.Wait();

            RunOnUIThread.Execute(() =>
            {
                Verify.AreEqual <int>(4, scroller.HorizontalSnapPoints.Count);
                scroller.HorizontalSnapPoints.Remove(snapPoint2);
            });

            IdleSynchronizer.Wait();

            RunOnUIThread.Execute(() =>
            {
                Verify.AreEqual <int>(3, scroller.HorizontalSnapPoints.Count);
                scroller.HorizontalSnapPoints.Remove(snapPoint2);
            });

            IdleSynchronizer.Wait();

            RunOnUIThread.Execute(() =>
            {
                Verify.AreEqual <int>(3, scroller.HorizontalSnapPoints.Count);
                scroller.HorizontalSnapPoints.Clear();
            });

            IdleSynchronizer.Wait();

            RunOnUIThread.Execute(() =>
            {
                Verify.AreEqual <int>(0, scroller.HorizontalSnapPoints.Count);
                Verify.AreEqual <int>(1, scroller.VerticalSnapPoints.Count);
                Verify.AreEqual <int>(1, scroller.ZoomSnapPoints.Count);
            });
        }
        public void CanShareSnapPointsInMultipleCollections()
        {
            Scroller scroller1 = null;
            Scroller scroller2 = null;
            Scroller scroller3 = null;

            ScrollSnapPoint scrollSnapPoint1 = null;
            ScrollSnapPoint scrollSnapPoint2 = null;
            ScrollSnapPoint scrollSnapPoint3 = null;

            RepeatedScrollSnapPoint repeatedScrollSnapPoint1 = null;
            RepeatedScrollSnapPoint repeatedScrollSnapPoint2 = null;
            RepeatedScrollSnapPoint repeatedScrollSnapPoint3 = null;

            ZoomSnapPoint zoomSnapPoint1 = null;
            ZoomSnapPoint zoomSnapPoint2 = null;
            ZoomSnapPoint zoomSnapPoint3 = null;

            RunOnUIThread.Execute(() =>
            {
                scroller1 = new Scroller();
                scroller2 = new Scroller();
                scroller3 = new Scroller();

                scrollSnapPoint1 = new ScrollSnapPoint(snapPointValue: 10, alignment: ScrollSnapPointsAlignment.Near);
                scrollSnapPoint2 = new ScrollSnapPoint(snapPointValue: 20, alignment: ScrollSnapPointsAlignment.Near);
                scrollSnapPoint3 = new ScrollSnapPoint(snapPointValue: 30, alignment: ScrollSnapPointsAlignment.Near);

                repeatedScrollSnapPoint1 = new RepeatedScrollSnapPoint(offset:  10, interval: 10, start:  10, end: 100, alignment: ScrollSnapPointsAlignment.Near);
                repeatedScrollSnapPoint2 = new RepeatedScrollSnapPoint(offset: 200, interval: 10, start: 110, end: 200, alignment: ScrollSnapPointsAlignment.Near);
                repeatedScrollSnapPoint3 = new RepeatedScrollSnapPoint(offset: 300, interval: 10, start: 210, end: 300, alignment: ScrollSnapPointsAlignment.Near);

                zoomSnapPoint1 = new ZoomSnapPoint(snapPointValue: 1);
                zoomSnapPoint2 = new ZoomSnapPoint(snapPointValue: 2);
                zoomSnapPoint3 = new ZoomSnapPoint(snapPointValue: 3);

                scroller1.HorizontalSnapPoints.Add(scrollSnapPoint1);
                scroller1.HorizontalSnapPoints.Add(scrollSnapPoint2);
                scroller1.VerticalSnapPoints.Add(scrollSnapPoint1);
                scroller1.VerticalSnapPoints.Add(scrollSnapPoint3);

                scroller2.HorizontalSnapPoints.Add(repeatedScrollSnapPoint1);
                scroller2.HorizontalSnapPoints.Add(repeatedScrollSnapPoint2);
                scroller2.VerticalSnapPoints.Add(repeatedScrollSnapPoint1);
                scroller2.VerticalSnapPoints.Add(repeatedScrollSnapPoint3);

                scroller1.ZoomSnapPoints.Add(zoomSnapPoint1);
                scroller1.ZoomSnapPoints.Add(zoomSnapPoint2);
                scroller2.ZoomSnapPoints.Add(zoomSnapPoint1);
                scroller2.ZoomSnapPoints.Add(zoomSnapPoint3);

                scroller3.HorizontalSnapPoints.Add(scrollSnapPoint1);
                scroller3.HorizontalSnapPoints.Add(scrollSnapPoint1);
            });

            IdleSynchronizer.Wait();

            RunOnUIThread.Execute(() =>
            {
                Vector2 horizontalScrollSnapPoint11ApplicableZone = ScrollerTestHooks.GetHorizontalSnapPointActualApplicableZone(scroller1, scrollSnapPoint1);
                Vector2 verticalScrollSnapPoint11ApplicableZone   = ScrollerTestHooks.GetVerticalSnapPointActualApplicableZone(scroller1, scrollSnapPoint1);
                Log.Comment("horizontalScrollSnapPoint11ApplicableZone=" + horizontalScrollSnapPoint11ApplicableZone.ToString());
                Log.Comment("verticalScrollSnapPoint11ApplicableZone=" + verticalScrollSnapPoint11ApplicableZone.ToString());

                Vector2 horizontalScrollSnapPoint21ApplicableZone = ScrollerTestHooks.GetHorizontalSnapPointActualApplicableZone(scroller2, repeatedScrollSnapPoint1);
                Vector2 verticalScrollSnapPoint21ApplicableZone   = ScrollerTestHooks.GetVerticalSnapPointActualApplicableZone(scroller2, repeatedScrollSnapPoint1);
                Log.Comment("horizontalScrollSnapPoint21ApplicableZone=" + horizontalScrollSnapPoint21ApplicableZone.ToString());
                Log.Comment("verticalScrollSnapPoint21ApplicableZone=" + verticalScrollSnapPoint21ApplicableZone.ToString());

                Vector2 zoomSnapPoint11ApplicableZone = ScrollerTestHooks.GetZoomSnapPointActualApplicableZone(scroller1, zoomSnapPoint1);
                Vector2 zoomSnapPoint21ApplicableZone = ScrollerTestHooks.GetZoomSnapPointActualApplicableZone(scroller2, zoomSnapPoint1);
                Log.Comment("zoomSnapPoint11ApplicableZone=" + zoomSnapPoint11ApplicableZone.ToString());
                Log.Comment("zoomSnapPoint21ApplicableZone=" + zoomSnapPoint21ApplicableZone.ToString());

                int combinationCount11 = ScrollerTestHooks.GetHorizontalSnapPointCombinationCount(scroller1, scrollSnapPoint1);
                int combinationCount31 = ScrollerTestHooks.GetHorizontalSnapPointCombinationCount(scroller3, scrollSnapPoint1);
                Log.Comment("combinationCount11=" + combinationCount11);
                Log.Comment("combinationCount31=" + combinationCount31);

                Log.Comment("Expecting different applicable zones for ScrollSnapPoint in horizontal and vertical collections");
                Verify.AreEqual <float>(15.0f, horizontalScrollSnapPoint11ApplicableZone.Y);
                Verify.AreEqual <float>(20.0f, verticalScrollSnapPoint11ApplicableZone.Y);

                Log.Comment("Expecting identical applicable zones for RepeatedScrollSnapPoint in horizontal and vertical collections");
                Verify.AreEqual <float>(10.0f, horizontalScrollSnapPoint21ApplicableZone.X);
                Verify.AreEqual <float>(10.0f, verticalScrollSnapPoint21ApplicableZone.X);
                Verify.AreEqual <float>(100.0f, horizontalScrollSnapPoint21ApplicableZone.Y);
                Verify.AreEqual <float>(100.0f, verticalScrollSnapPoint21ApplicableZone.Y);

                Log.Comment("Expecting different applicable zones for ZoomSnapPoint in two zoom collections");
                Verify.AreEqual <float>(1.5f, zoomSnapPoint11ApplicableZone.Y);
                Verify.AreEqual <float>(2.0f, zoomSnapPoint21ApplicableZone.Y);

                Log.Comment("Expecting different combination counts for ScrollSnapPoint in two horizontal collections");
                Verify.AreEqual <int>(0, combinationCount11);
                Verify.AreEqual <int>(1, combinationCount31);
            });
        }