-\func{}{wxButton}{\param{wxWindow* }{parent}, \param{wxWindowID}{ id}, \param{const wxString\& }{label},\rtfsp
-\param{const wxPoint\& }{pos}, \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
-\param{long}{ style = 0}, \param{const wxValidator\& }{validator}, \param{const wxString\& }{name = ``button"}}
+\func{}{wxButton}{\param{wxWindow* }{parent}, \param{wxWindowID}{ id}, \param{const wxString\& }{label = wxEmptyString},\rtfsp
+\param{const wxPoint\& }{pos = wxDefaultPosition}, \param{const wxSize\& }{size = wxDefaultSize},\rtfsp
+\param{long}{ style = 0}, \param{const wxValidator\& }{validator = wxDefaultValidator}, \param{const wxString\& }{name = ``button"}}