-WXDLLEXPORT_DATA(extern const wxChar*) wxFrameNameStr;
-WXDLLEXPORT_DATA(extern const wxChar*) wxStatusLineNameStr;
-WXDLLEXPORT_DATA(extern const wxChar*) wxToolBarNameStr;
-WXDLLEXPORT_DATA(extern wxWindow*) wxWndHook;
-
-class WXDLLEXPORT wxMenuBar;
-class WXDLLEXPORT wxStatusBar;
-class WXDLLEXPORT wxToolBar;
-
-// Styles for ShowFullScreen
-#define wxFULLSCREEN_NOMENUBAR 0x01
-#define wxFULLSCREEN_NOTOOLBAR 0x02
-#define wxFULLSCREEN_NOSTATUSBAR 0x04
-#define wxFULLSCREEN_NOBORDER 0x08
-#define wxFULLSCREEN_NOCAPTION 0x10
-#define wxFULLSCREEN_ALL (wxFULLSCREEN_NOMENUBAR | wxFULLSCREEN_NOTOOLBAR | wxFULLSCREEN_NOSTATUSBAR | wxFULLSCREEN_NOBORDER | wxFULLSCREEN_NOCAPTION)
+extern WXDLLIMPEXP_DATA_CORE(const char) wxStatusLineNameStr[];
+extern WXDLLIMPEXP_DATA_CORE(const char) wxToolBarNameStr[];
+
+class WXDLLIMPEXP_FWD_CORE wxFrame;
+class WXDLLIMPEXP_FWD_CORE wxMenuBar;
+class WXDLLIMPEXP_FWD_CORE wxMenuItem;
+class WXDLLIMPEXP_FWD_CORE wxStatusBar;
+class WXDLLIMPEXP_FWD_CORE wxToolBar;
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// wxFrame-specific (i.e. not for wxDialog) styles
+//
+// Also see the bit summary table in wx/toplevel.h.
+#define wxFRAME_NO_TASKBAR 0x0002 // No taskbar button (MSW only)
+#define wxFRAME_TOOL_WINDOW 0x0004 // No taskbar button, no system menu
+#define wxFRAME_FLOAT_ON_PARENT 0x0008 // Always above its parent