private void RefreshIsAncestorLocked(TimelineItem timelineItem)
{
for (int index = 0; index < timelineItem.Children.Count; ++index)
{
TimelineItem timelineItem1 = timelineItem.Children[index];
Item3DTimelineItem item3DtimelineItem = timelineItem1 as Item3DTimelineItem;
if (item3DtimelineItem != null)
{
item3DtimelineItem.RefreshIsLocked();
}
else
{
ElementTimelineItem elementTimelineItem = timelineItem1 as ElementTimelineItem;
if (elementTimelineItem != null)
{
elementTimelineItem.RefreshIsAncestorLocked();
}
else
{
StyleTimelineItem styleTimelineItem = timelineItem1 as StyleTimelineItem;
if (styleTimelineItem != null)
{
styleTimelineItem.RefreshIsAncestorLocked();
}
else
{
this.RefreshIsAncestorLocked(timelineItem1);
}
}
}
}
}
public void RefreshIsAncestorLocked()
{
this.OnPropertyChanged("IsSelectable");
foreach (TimelineItem timelineItem in (Collection <TimelineItem>) this.Children)
{
ElementTimelineItem elementTimelineItem = timelineItem as ElementTimelineItem;
if (elementTimelineItem != null)
{
elementTimelineItem.RefreshIsAncestorLocked();
}
}
}