public static void OnHorizontalOffsetChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ScrollViewerOffsetMediator viewerOffsetMediator = (ScrollViewerOffsetMediator)o;
if (viewerOffsetMediator.ScrollViewer == null)
{
return;
}
viewerOffsetMediator.ScrollViewer.ScrollToHorizontalOffset((double)e.NewValue);
}
public static void OnVerticalOffsetChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ScrollViewerOffsetMediator viewerOffsetMediator = (ScrollViewerOffsetMediator)o;
if (viewerOffsetMediator.ScrollViewer == null)
{
return;
}
// ISSUE: explicit reference operation
viewerOffsetMediator.ScrollViewer.ScrollToVerticalOffset((double)e.NewValue);
}
private static void OnScrollViewerChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ScrollViewerOffsetMediator viewerOffsetMediator = (ScrollViewerOffsetMediator)o;
ScrollViewer scrollViewer = (ScrollViewer)e.NewValue;
if (scrollViewer == null)
{
return;
}
scrollViewer.ScrollToVerticalOffset(viewerOffsetMediator.VerticalOffset);
}
private static void OnScrollViewerChanged(DependencyObject o, DependencyPropertyChangedEventArgs e)
{
ScrollViewerOffsetMediator viewerOffsetMediator = (ScrollViewerOffsetMediator)o;
// ISSUE: explicit reference operation
ScrollViewer newValue = (ScrollViewer)e.NewValue;
if (newValue == null)
{
return;
}
newValue.ScrollToVerticalOffset(viewerOffsetMediator.VerticalOffset);
}