+#ifdef WXMAKINGDLL_PLOT
+ #define WXDLLIMPEXP_PLOT WXEXPORT
+ #define WXDLLIMPEXP_DATA_PLOT(type) WXEXPORT type
+#elif defined(WXUSINGDLL)
+ #define WXDLLIMPEXP_PLOT WXIMPORT
+ #define WXDLLIMPEXP_DATA_PLOT(type) WXIMPORT type
+#else // not making nor using DLL
+ #define WXDLLIMPEXP_PLOT
+ #define WXDLLIMPEXP_DATA_PLOT(type) type
+#endif
+