public static void SmoothScrollNavigation(this Windows.UI.Xaml.Controls.ListViewBase listViewBase, int scrollAmount, ScrollNavigationDirection scrollNavigationDirection, bool disableAnimation = false)
{
var scrollViewer = listViewBase.FindDescendant <ScrollViewer>();
if (scrollNavigationDirection == ScrollNavigationDirection.Left)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset - scrollAmount, scrollViewer.VerticalOffset, null, disableAnimation);
}
else if (scrollNavigationDirection == ScrollNavigationDirection.Up)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset, scrollViewer.VerticalOffset - scrollAmount, null, disableAnimation);
}
else if (scrollNavigationDirection == ScrollNavigationDirection.Right)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset + scrollAmount, scrollViewer.VerticalOffset, null, disableAnimation);
}
else if (scrollNavigationDirection == ScrollNavigationDirection.Down)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset, scrollViewer.VerticalOffset + scrollAmount, null, disableAnimation);
}
}
public static void SmoothScrollNavigation(this ListViewBase listViewBase, int scrollAmount, ScrollNavigationDirection scrollNavigationDirection, bool disableAnimation = false)
{
var scrollViewer = listViewBase.GetScrollViewer();
if (scrollNavigationDirection == ScrollNavigationDirection.Left)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset - scrollAmount, scrollViewer.VerticalOffset, null, disableAnimation);
}
else if (scrollNavigationDirection == ScrollNavigationDirection.Up)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset, scrollViewer.VerticalOffset - scrollAmount, null, disableAnimation);
}
else if (scrollNavigationDirection == ScrollNavigationDirection.Right)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset + scrollAmount, scrollViewer.VerticalOffset, null, disableAnimation);
}
else if (scrollNavigationDirection == ScrollNavigationDirection.Down)
{
scrollViewer.ChangeView(scrollViewer.HorizontalOffset, scrollViewer.VerticalOffset + scrollAmount, null, disableAnimation);
}
}
