+#define wxSP_NOBORDER 0x0000
+#define wxSP_THIN_SASH 0x0000 // NB: the default is 3D sash
+#define wxSP_NOSASH 0x0010
+#define wxSP_PERMIT_UNSPLIT 0x0040
+#define wxSP_LIVE_UPDATE 0x0080
+#define wxSP_3DSASH 0x0100
+#define wxSP_3DBORDER 0x0200
+#define wxSP_NO_XP_THEME 0x0400
+#define wxSP_BORDER wxSP_3DBORDER
+#define wxSP_3D (wxSP_3DBORDER | wxSP_3DSASH)
+
+