private void ScrollingHost_ViewChanged(object sender, ScrollViewerViewChangedEventArgs args)
{
var scrollViewer = sender as ScrollViewer;
if (_scrollingHostDisabled)
{
if (!args.IsIntermediate)
{
scrollViewer.ChangeView(null, scrollViewer.ScrollableHeight, null, true);
}
_scrollingHost = scrollViewer.VerticalOffset;
return;
}
if (scrollViewer.VerticalOffset >= scrollViewer.ScrollableHeight - 12 && _scrollingHost < scrollViewer.VerticalOffset)
{
_scrollingHostDisabled = true;
SetScrollMode(false);
SharedMedia.SetScrollMode(true);
_sharedMediaDisabled = false;
}
_scrollingHost = scrollViewer.VerticalOffset;
}
private void SharedMedia_ViewChanged(object sender, ScrollViewerViewChangedEventArgs args)
{
var scrollViewer2 = sender as ScrollViewer;
if (_sharedMediaDisabled)
{
if (!args.IsIntermediate)
{
scrollViewer2.ChangeView(null, 12, null, false);
}
_sharedMedia = scrollViewer2.VerticalOffset;
return;
}
if (scrollViewer2.VerticalOffset <= 12 && _sharedMedia > scrollViewer2.VerticalOffset)
{
SetScrollMode(true);
_scrollingHostDisabled = false;
_sharedMediaDisabled = true;
SharedMedia.SetScrollMode(false);
}
_sharedMedia = scrollViewer2.VerticalOffset;
}
private void SharedMedia_ViewChanged(object sender, ScrollViewerViewChangedEventArgs args)
{
var scrollViewer2 = SharedMedia.GetScrollViewer();
if (_sharedMediaDisabled)
{
if (!args.IsIntermediate)
{
scrollViewer2.ChangeView(null, 12, null, false);
}
_sharedMedia = scrollViewer2.VerticalOffset;
return;
}
if (scrollViewer2.VerticalOffset <= 12 && _sharedMedia > scrollViewer2.VerticalOffset)
{
ScrollingHost.VerticalScrollMode = ScrollMode.Auto;
ScrollingHost.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
ScrollingHost.ChangeView(null, ScrollingHost.ScrollableHeight - 48, null, false);
_scrollingHostDisabled = false;
_sharedMediaDisabled = true;
SharedMedia.SetScrollMode(false);
}
_sharedMedia = scrollViewer2.VerticalOffset;
}
public void OnBackRequested(HandledRoutedEventArgs args)
{
if (_scrollingHostDisabled)
{
_scrollingHostDisabled = false;
SharedMedia.SetScrollMode(false);
//SetScrollMode(true);
ScrollingHost.VerticalScrollMode = ScrollMode.Auto;
ScrollingHost.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
ScrollingHost.ChangeView(null, 0, null, false);
ScrollingInfo.Visibility = Visibility.Visible;
InfoPanel.Visibility = Visibility.Collapsed;
args.Handled = true;
}
}