1. derived wxMSW radio box from static box because it includes the box anyhow

2. changed it to use wxSubwindows to cut down code duplication
3. deprecated Get/SetNumberOfRowsOrCols() which didn't do anything in neither
   MSW nor GTK (this is the only change in GTK code)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@30980 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/radiobox.h

@@ -86,6 +86,15 @@ public:
     // return the item above/below/to the left/right of the given one
     int GetNextItem(int item, wxDirection dir, long style) const;
 
+
+    // deprecated functions
+    // --------------------
+
+#if WXWIN_COMPATIBILITY_2_4
+    wxDEPRECATED( int GetNumberOfRowsOrCols() const );
+    wxDEPRECATED( void SetNumberOfRowsOrCols(int n) );
+#endif // WXWIN_COMPATIBILITY_2_4
+
     // for compatibility only, don't use these methods in new code!
 #if WXWIN_COMPATIBILITY_2_2
     int Number() const { return GetCount(); }