* @param modelElements Id->node map.
* @param parent ID of the root node ID.
*/
- void BuildTree(const std::vector<modelCDMIProjectTreeNode*>& tree, std::map< wxTreeItemId, modelCDMIProjectTreeNode* >& modelElements, wxTreeItemId parent);
+ void BuildTree(const std::vector<modelCDMIProjectTreeNode*>& tree, std::map< wxTreeItemId, modelCDMIProjectTreeNode* >& modelElements, const wxTreeItemId& parent);
/**
* Retrieves the icon ID of the given node by its type.
* @param node Node to search its icon.