private void OnScrollToRequested(IScrollController sender, ScrollControllerScrollToRequestedEventArgs e)
{
if (sender == horizontalScrollController)
{
LogMessage("CanvasScrollControllerConsumer: OnScrollToRequested for HorizontalScrollController");
LogMessage("Offset=" + e.Offset + ", AnimationMode=" + e.Options.AnimationMode + ", SnapPointsMode=" + e.Options.SnapPointsMode);
if (e.Options.AnimationMode == ScrollingAnimationMode.Disabled)
{
Canvas.SetLeft(scrolledElement, -e.Offset);
}
}
else if (sender == verticalScrollController)
{
LogMessage("CanvasScrollControllerConsumer: OnScrollToRequested for VerticalScrollController");
LogMessage("Offset=" + e.Offset + ", AnimationMode=" + e.Options.AnimationMode + ", SnapPointsMode=" + e.Options.SnapPointsMode);
if (e.Options.AnimationMode == ScrollingAnimationMode.Disabled)
{
Canvas.SetTop(scrolledElement, -e.Offset);
}
}
else
{
LogMessage("CanvasScrollControllerConsumer: OnScrollToRequested for unknown sender");
}
}
private int RaiseScrollToRequested(
double offset,
ScrollingAnimationMode animationMode)
{
LogMessage("ScrollBarController: RaiseScrollToRequested for Orientation=" + Orientation + " with offset=" + offset + ", animationMode=" + animationMode);
if (ScrollToRequested != null)
{
ScrollControllerScrollToRequestedEventArgs e =
new ScrollControllerScrollToRequestedEventArgs(
offset,
new ScrollingScrollOptions(animationMode, ScrollingSnapPointsMode.Ignore));
ScrollToRequested(this, e);
if (e.CorrelationId != -1 && !lstScrollToCorrelationIds.Contains(e.CorrelationId))
{
operationsCount++;
lstScrollToCorrelationIds.Add(e.CorrelationId);
}
return(e.CorrelationId);
}
return(-1);
}
