void OnGroupingEnabledChanged()
{
if (CachingStrategy == ListViewCachingStrategy.RecycleElement)
{
_templatedObjects.Clear();
}
OnItemsSourceChanged(true);
if (!IsGroupingEnabled && _shortNames != null)
{
_shortNames.Dispose();
_shortNames = null;
}
else
{
OnShortNameBindingChanged();
}
}
void OnShortNameBindingChanged()
{
if (!IsGroupingEnabled)
{
return;
}
if (GroupShortNameBinding != null && _shortNames == null)
{
_shortNames = new ShortNamesProxy(this);
}
else if (GroupShortNameBinding == null && _shortNames != null)
{
_shortNames.Dispose();
_shortNames = null;
}
if (_groupedItems != null)
{
if (GroupShortNameBinding == null)
{
foreach (TemplatedItemsList <TView, TItem> list in _groupedItems.Values)
{
list.SetValue(ShortNameProperty, null);
}
return;
}
foreach (TemplatedItemsList <TView, TItem> list in _groupedItems.Values)
{
list.SetBinding(ShortNameProperty, GroupShortNameBinding.Clone());
}
}
if (_shortNames != null)
{
_shortNames.Reset();
}
}
