// NB: Here we have to perform a deep copy of the menu,
// copying each and every menu item from menu to m_pMenu.
// Other implementations use wxWindow::PopupMenu here,
// which idle execution until the user selects something,
// NB: Here we have to perform a deep copy of the menu,
// copying each and every menu item from menu to m_pMenu.
// Other implementations use wxWindow::PopupMenu here,
// which idle execution until the user selects something,