protected internal void RemoveLogicalChild(object child)
{
if (child != null)
{
UIElement childUIElement = child as UIElement;
if (childUIElement != null && childUIElement.Parent == this)
{
childUIElement.ChangeLogicalParent(null);
}
}
}
protected internal void AddLogicalChild(object child)
{
if (child != null)
{
UIElement childUIElement = child as UIElement;
if (childUIElement != null)
{
childUIElement.ChangeLogicalParent(this);
childUIElement.OnAncestorDataContextChanged(new DataContextChangedEventArgs(DataContextChangedReason.EnteringLiveTree));
}
}
}