// expand this item
virtual void Expand(const wxTreeItemId& item) = 0;
+ // expand the item and all its childs and thats childs
+ void ExpandAllChildren(const wxTreeItemId& item);
+ // expand all items
+ void ExpandAll();
// collapse the item without removing its children
virtual void Collapse(const wxTreeItemId& item) = 0;
// collapse the item and remove all children