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QGraphicsScene * scene = new QGraphicsScene;
GraphicsItem * item;
for (int i = 0; i < MAX; i++)
{
    item = new GraphicsItem;
    scene->addItem(item);
}
QList <QGraphicsItem *> :: iterator iter;
int value;
for (iter = scene->items().begin(); iter != scene->items().end(); iter++)
{
    item = (GraphicsItem*)(*iter);
    tmp = item->myMember;
}

for (iter = scene->items().begin(); iter != scene->items().end(); iter++)
{
    item = (GraphicsItem*)(*iter);
    tmp = item->myMember;
}

for (int i = 0; i < scene->items().size(); i++)
{
    item = (GraphicsItem *)scene->items().at(i);
    tmp = item->myMember;
}

for (iter = scene->items().begin(); iter != scene->items().end(); iter++)
  qDebug() << "kosjk";

  assert(dynamic_cast<GraphicsItem*>(*iter));
  item = static_cast<GraphicsItem*>(*iter);

QList<QGraphicsItem *> items = scene->items();
for (iter = items.begin(); iter != items.end(); iter++)

QList<QGraphicsItem *> QGraphicsScene::items() const
{
    ...

    // Rebuild the list of items to avoid holes. ### We could also just
    // compress the item lists at this point.
    QList<QGraphicsItem *> itemList;
    foreach (QGraphicsItem *item, d->indexedItems + d->unindexedItems) {
        if (item)
            itemList << item;
    }
    return itemList;
}