-#define wxTINY_CAPTION_HORIZ 0x0100
-#define wxTINY_CAPTION_VERT 0x0080
-#define wxRESIZE_BORDER 0x0040
+
+#define wxTINY_CAPTION 0x0080 // clashes with wxNO_DEFAULT
+#define wxRESIZE_BORDER 0x0040 // == wxCLOSE
+
+#if WXWIN_COMPATIBILITY_2_8
+ // HORIZ and VERT styles are equivalent anyhow so don't use different names
+ // for them
+ #define wxTINY_CAPTION_HORIZ wxTINY_CAPTION
+ #define wxTINY_CAPTION_VERT wxTINY_CAPTION
+#endif