Parent QGraphicsItem and QGraphicsItemGroup

[jano_alex_es]

the problem is here:

QHash<int, CLineElemItem*>::const_iterator iter = m_hashElemItems.constBegin();
 
	while(iter != m_hashElemItems.constEnd())
	{
		iter.value()->setParent(this);
 
		int numberOfChildItems = childItems().size();
}

QHash<int, CLineElemItem*>::const_iterator iter = m_hashElemItems.constBegin();

	while(iter != m_hashElemItems.constEnd())
	{
		iter.value()->setParent(this);

		int numberOfChildItems = childItems().size();
}

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this code is inside the parent object. But numberOfChildItems is always zero... I'm missing something, and I bet It's something stupid :P