private static bool SetFixedTranslateTransformCore(FrameworkElement element, bool canScrollHorizontally)
{
Debug.Assert(element != null);
var parentScrollViewer = TableViewScrollViewer.GetParentScrollViewer(element) as ScrollViewer;
if (parentScrollViewer == null)
{
return(false);
}
var fixedTransform = TableViewScrollViewer.GetStoredFixedTransform(parentScrollViewer);
Debug.Assert(fixedTransform != null);
if (canScrollHorizontally)
{
if (element.RenderTransform == fixedTransform)
{
element.ClearValue(UIElement.RenderTransformProperty);
}
}
else
{
element.RenderTransform = fixedTransform;
}
return(true);
}
internal static void SetFixedTranslateTransform(UIElement element, bool canScrollHorizontally)
{
if (element == null)
{
throw new ArgumentNullException("element");
}
ScrollViewer parentScrollViewer = TableViewScrollViewer.GetParentScrollViewer(element) as ScrollViewer;
if (parentScrollViewer != null)
{
Transform fixedTransform = TableViewScrollViewer.GetStoredFixedTransform(parentScrollViewer);
Debug.Assert(fixedTransform != null);
if (canScrollHorizontally)
{
if (element.RenderTransform == fixedTransform)
{
element.ClearValue(UIElement.RenderTransformProperty);
}
}
else
{
element.RenderTransform = fixedTransform;
}
}
}