public void Remove(GObject target, RelationType relationType)
{
int cnt = _items.Count;
int i = 0;
while (i < cnt)
{
RelationItem item = _items[i];
if (item.target == target)
{
item.Remove(relationType);
if (item.isEmpty)
{
item.Dispose();
_items.RemoveAt(i);
cnt--;
continue;
}
else
{
i++;
}
}
i++;
}
}