public void Dispose()
{
if (this.collectionView != null)
{
this.collectionView.EndDefer();
this.collectionView = (CollectionView)null;
}
GC.SuppressFinalize((object)this);
}
public DeferHelper(CollectionView collectionView)
{
this.collectionView = collectionView;
}
private void SetFlag(CollectionView.CollectionViewFlags flags, bool value)
{
if (value)
{
this.flags = this.flags | flags;
}
else
{
this.flags = this.flags & ~flags;
}
}
public PlaceholderAwareEnumerator(CollectionView collectionView, IEnumerator baseEnumerator, object newItem)
{
this.collectionView = collectionView;
this.timestamp = collectionView.Timestamp;
this.baseEnumerator = baseEnumerator;
this.newItem = newItem;
}
private bool CheckFlag(CollectionView.CollectionViewFlags flags)
{
return (this.flags & flags) != (CollectionView.CollectionViewFlags)0;
}