-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class WXDLLIMPEXP_CORE wxMDIParentFrame;
-class WXDLLIMPEXP_CORE wxMDIClientWindow;
-class WXDLLIMPEXP_CORE wxMDIChildFrame;
-
-//-----------------------------------------------------------------------------
-// global data
-//-----------------------------------------------------------------------------
-
-extern WXDLLIMPEXP_CORE const wxChar* wxFrameNameStr;
-extern WXDLLIMPEXP_CORE const wxChar* wxStatusLineNameStr;