don't send dummy scroll events from wxNotebook when the page is changed using the built-in spin control

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@15069 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/notebook.h

@@ -120,6 +120,8 @@ public:
   // base class virtuals
   // -------------------
   virtual bool MSWOnNotify(int idCtrl, WXLPARAM lParam, WXLPARAM *result);
+  virtual bool MSWOnScroll(int orientation, WXWORD nSBCode,
+                           WXWORD pos, WXHWND control);
   virtual void SetConstraintSizes(bool recurse = TRUE);
   virtual bool DoPhase(int nPhase);
 
@@ -127,6 +129,9 @@ protected:
   // common part of all ctors
   void Init();
 
+  // translate wxWin styles to the Windows ones
+  virtual WXDWORD MSWGetStyle(long flags, WXDWORD *exstyle = NULL) const;
+
   // remove one page from the notebook, without deleting
   virtual wxNotebookPage *DoRemovePage(int nPage);