Added wxUSE_NUMBERDLG to setup.h; added some files to VC++ project files;

added missing virtual function from wxSliderMSW


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@10679 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/msw/menu.cpp

@@ -682,7 +682,8 @@ bool wxMenuBar::Append(wxMenu *menu, const wxString& title)
     if ( !wxMenuBarBase::Append(menu, title) )
         return FALSE;
 
-    menu->Attach(this);
+    // Already done in Append above
+    //menu->Attach(this);
 
     m_titles.Add(title);