If non-@NULL, indicates that the menu item is a submenu.
*/
wxMenuItem(wxMenu* parentMenu = NULL, int id = wxID_SEPARATOR,
- const wxString& text = "",
- const wxString& helpString = "",
+ const wxString& text = wxEmptyString,
+ const wxString& helpString = wxEmptyString,
wxItemKind kind = wxITEM_NORMAL,
wxMenu* subMenu = NULL);