QList<QListWidgetItem*> selItems = myListWidget->selectedItems();
QListWidgetItem* anItem;
foreach(anItem, selItems)
myPreviewActor->HighlightID( anItem->text().toInt() );
QList<QListWidgetItem*> selItems = myListWidget->selectedItems();
QListWidgetItem* anItem;
foreach(anItem, selItems)
myPreviewActor->HighlightID( anItem->text().toInt() );