Clear a Scene

[peace_comp]

Hi..
I have a problem to clear a Scene !!
I used the first methode :

void myview::clearScene()
{
  QList<QGraphicsItem*> itemsList = scene->items();
  QList<QGraphicsItem*>::iterator iter = itemsList.begin();
  QList<QGraphicsItem*>::iterator end = itemsList.end();
  while(iter != end)
    {
      QGraphicsItem* item = (*iter);
      delete item;
      iter++;
    }
}

void myview::clearScene()
{
  QList<QGraphicsItem*> itemsList = scene->items();
  QList<QGraphicsItem*>::iterator iter = itemsList.begin();
  QList<QGraphicsItem*>::iterator end = itemsList.end();
  while(iter != end)
    {
      QGraphicsItem* item = (*iter);
      delete item;
      iter++;
    }
}

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but it doesnt work !!
then I used another methode:

void myview::clear(){
     QList<QGraphicsItem*> itemsList = scene->items();
     QGraphicsItemGroup *group=scene->createItemGroup(itemsList);
     scene->destroyItemGroup(group);
     }

void myview::clear(){
     QList<QGraphicsItem*> itemsList = scene->items();
     QGraphicsItemGroup *group=scene->createItemGroup(itemsList);
     scene->destroyItemGroup(group);
     }

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this that One stucks the application !!

if someone could help !!
thanks