class WXDLLIMPEXP_FWD_CORE wxColourPickerEvent;
-extern WXDLLEXPORT_DATA(const wxChar) wxColourPickerWidgetNameStr[];
-extern WXDLLEXPORT_DATA(const wxChar) wxColourPickerCtrlNameStr[];
+extern WXDLLEXPORT_DATA(const char) wxColourPickerWidgetNameStr[];
+extern WXDLLEXPORT_DATA(const char) wxColourPickerCtrlNameStr[];
// show the colour in HTML form (#AABBCC) as colour button label
#define wxCLRBTN_SHOW_LABEL 100