No changes, just factor our wxDirection parsing code in wxXRC.

Move it from wxButtonXmlHandler into a reusable wxXmlResourceHandler::
GetDirection() that can used by the other handlers too.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68839 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/xrc/xmlres.h

@@ -558,6 +558,9 @@ protected:
     wxCoord GetDimension(const wxString& param, wxCoord defaultv = 0,
                          wxWindow *windowToUse = NULL);
 
+    // Gets a direction, complains if the value is invalid.
+    wxDirection GetDirection(const wxString& param, wxDirection dir = wxLEFT);
+
     // Gets a bitmap.
     wxBitmap GetBitmap(const wxString& param = wxT("bitmap"),
                        const wxArtClient& defaultArtClient = wxART_OTHER,