-void apAddContextHelpButton(wxWindow* parent, wxSizer* sizer, int sizerFlags, int sizerBorder)
+void apAddContextHelpButton(wxWindow*
+ #if defined(__WXGTK__) || defined(__WXMAC__)
+ parent
+ #else
+ WXUNUSED(parent)
+ #endif
+ , wxSizer*
+ #if defined(__WXGTK__) || defined(__WXMAC__)
+ sizer
+ #else
+ WXUNUSED(sizer)
+ #endif
+ , int
+ #if defined(__WXGTK__) || defined(__WXMAC__)
+ sizerFlags
+ #else
+ WXUNUSED(sizerFlags)
+ #endif
+ , int
+ #if defined(__WXGTK__) || defined(__WXMAC__)
+ sizerBorder
+ #else
+ WXUNUSED(sizerBorder)
+ #endif
+ )