deprecate the old TryValidator/Parent() and replace them with the new and documented TryBefore/After()

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59164 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/docmdi.h

@@ -44,7 +44,7 @@ public:
 protected:
     void Init();
 
-    virtual bool TryValidator(wxEvent& event);
+    virtual bool TryBefore(wxEvent& event);
 
     wxDocManager *m_docManager;
 
@@ -89,7 +89,7 @@ public:
 protected:
     void Init();
 
-    virtual bool TryValidator(wxEvent& event);
+    virtual bool TryBefore(wxEvent& event);
 
     wxDocument*       m_childDocument;
     wxView*           m_childView;