QTreeWidget selectedItems ordered parent-child

[Alundra]

Hi,
I use the selectedItems() function to get the actual selected items to remove them.
The problem is if you have a tree like that :

A
-B
--C

You select A then B then C and then delete, since a for loop is used that delete A then B and C of the for loop are not valid and I got a crash.

void CMainEditorWindow::Delete()
{
  // Get the selected items.
  QList< QTreeWidgetItem* > SelectedItems = SceneOutlinerWidget->GetSelectedItems();
 
  // Delete each actor.
  foreach( QTreeWidgetItem* Item, SelectedItems )
  {
    CSceneOutlinerItem* SceneOutlinerItem = static_cast< CSceneOutlinerItem* >( Item );
    MainEditorUndoStack->push( new CUndoCommandDeleteActor( SceneOutlinerItem->GetUniqueID() ) );
  }
}

void CMainEditorWindow::Delete()
{
  // Get the selected items.
  QList< QTreeWidgetItem* > SelectedItems = SceneOutlinerWidget->GetSelectedItems();

  // Delete each actor.
  foreach( QTreeWidgetItem* Item, SelectedItems )
  {
    CSceneOutlinerItem* SceneOutlinerItem = static_cast< CSceneOutlinerItem* >( Item );
    MainEditorUndoStack->push( new CUndoCommandDeleteActor( SceneOutlinerItem->GetUniqueID() ) );
  }
}

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Is it possible to have selected items but remove item found in children of other or that needs to be implemented in a recursive function manually ?
Thanks for the help