internal void Unapply()
{
object sourceObject;
if (_weakSource != null && _weakSource.TryGetTarget(out sourceObject))
{
for (var i = 0; i < _parts.Count - 1; i++)
{
BindingExpressionPart part = _parts[i];
if (!part.IsSelf)
{
part.TryGetValue(sourceObject, out sourceObject);
}
part.Unsubscribe();
}
}
if (_trackingTemplatedParent)
{
BindableObject target = null;
if (_weakTarget?.TryGetTarget(out target) == true && target is Element elem)
{
elem.TemplatedParentChanged -= OnTargetTemplatedParentChanged;
}
}
_weakSource = null;
_weakTarget = null;
ClearAncestryChangeSubscriptions();
}
internal void Unapply()
{
object sourceObject;
if (_weakSource != null && _weakSource.TryGetTarget(out sourceObject))
{
for (var i = 0; i < _parts.Count - 1; i++)
{
BindingExpressionPart part = _parts[i];
if (!part.IsSelf)
{
part.TryGetValue(sourceObject, out sourceObject);
}
part.Unsubscribe();
}
}
_weakSource = null;
_weakTarget = null;
}