// implementation
 // ============================================================================
 
-IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxControl)
+IMPLEMENT_DYNAMIC_CLASS(wxNotebook, wxBookCtrlBase)
 IMPLEMENT_DYNAMIC_CLASS(wxNotebookEvent, wxCommandEvent)
 
 // ----------------------------------------------------------------------------
 
     m_sizePad = GetRenderer()->GetTabPadding();
 
-    SetBestSize(size);
+    SetInitialSize(size);
 
     CreateInputHandler(wxINP_HANDLER_NOTEBOOK);