- double arrowSize = 10.0, double xOffset = 0.0, const wxString& name = "",
- wxPseudoMetaFile *mf = NULL, long arrowId = -1);
+ double arrowSize = 10.0, double xOffset = 0.0,
+ const wxString& name = wxEmptyString,
+ wxPseudoMetaFile *mf = NULL, long arrowId = -1);