// Token: 0x06000317 RID: 791 RVA: 0x00008AB4 File Offset: 0x00006CB4
private static bool AreThereLoadedChangeHandlersInSubtree(ref FrameworkObject fo)
{
if (!fo.IsValid)
{
return(false);
}
if (fo.ThisHasLoadedChangeEventHandler)
{
return(true);
}
if (fo.IsFE)
{
Visual fe = fo.FE;
int childrenCount = VisualTreeHelper.GetChildrenCount(fe);
for (int i = 0; i < childrenCount; i++)
{
FrameworkElement frameworkElement = VisualTreeHelper.GetChild(fe, i) as FrameworkElement;
if (frameworkElement != null && frameworkElement.SubtreeHasLoadedChangeHandler)
{
return(true);
}
}
}
foreach (object obj in LogicalTreeHelper.GetChildren(fo.DO))
{
DependencyObject dependencyObject = obj as DependencyObject;
if (dependencyObject != null && BroadcastEventHelper.SubtreeHasLoadedChangeHandlerHelper(dependencyObject))
{
return(true);
}
}
return(false);
}
// Token: 0x06000314 RID: 788 RVA: 0x00008A70 File Offset: 0x00006C70
internal static void AddOrRemoveHasLoadedChangeHandlerFlag(DependencyObject d, DependencyObject oldParent, DependencyObject newParent)
{
bool flag = BroadcastEventHelper.SubtreeHasLoadedChangeHandlerHelper(d);
if (flag)
{
if (oldParent == null && newParent != null)
{
BroadcastEventHelper.AddHasLoadedChangeHandlerFlagInAncestry(newParent);
return;
}
if (oldParent != null && newParent == null)
{
BroadcastEventHelper.RemoveHasLoadedChangeHandlerFlagInAncestry(oldParent);
}
}
}
