virtual void Prepend( wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Prepend( int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Prepend( wxSizer *sizer, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );
virtual void Prepend( int width, int height, int option = 0, int flag = 0, int border = 0, wxObject* userData = NULL );