private void CreateItemCollectionAndGenerator()
{
_items = new ItemCollection(this);
// the generator must attach its collection change handler before
// the control itself, so that the generator is up-to-date by the
// time the control tries to use it (bug 892806 et al.)
_itemContainerGenerator = new ItemContainerGenerator(this);
_itemContainerGenerator.ChangeAlternationCount();
((INotifyCollectionChanged)_items).CollectionChanged += new NotifyCollectionChangedEventHandler(OnItemCollectionChanged);
if (IsInitPending)
{
_items.BeginInit();
}
else if (IsInitialized)
{
_items.BeginInit();
_items.EndInit();
}
((INotifyCollectionChanged)_groupStyle).CollectionChanged += new NotifyCollectionChangedEventHandler(OnGroupStyleChanged);
}
private void CreateItemCollectionAndGenerator()
{
_items = new ItemCollection(this);
// ItemInfos must get adjusted before the generator's change handler is called,
// so that any new ItemInfos arising from the generator don't get adjusted by mistake
// (see Win8 690623).
((INotifyCollectionChanged)_items).CollectionChanged += new NotifyCollectionChangedEventHandler(OnItemCollectionChanged1);
// the generator must attach its collection change handler before
// the control itself, so that the generator is up-to-date by the
// time the control tries to use it (bug 892806 et al.)
_itemContainerGenerator = new ItemContainerGenerator(this);
_itemContainerGenerator.ChangeAlternationCount();
((INotifyCollectionChanged)_items).CollectionChanged += new NotifyCollectionChangedEventHandler(OnItemCollectionChanged2);
if (IsInitPending)
{
_items.BeginInit();
}
else if (IsInitialized)
{
_items.BeginInit();
_items.EndInit();
}
((INotifyCollectionChanged)_groupStyle).CollectionChanged += new NotifyCollectionChangedEventHandler(OnGroupStyleChanged);
}