#include "wx/xml/xml.h"
 
+#ifndef WX_PRECOMP
+    #include "wx/intl.h"
+    #include "wx/log.h"
+    #include "wx/app.h"
+#endif
+
 #include "wx/wfstream.h"
 #include "wx/datstrm.h"
 #include "wx/zstream.h"
-#include "wx/log.h"
-#include "wx/intl.h"
 #include "wx/strconv.h"
 
 #include "expat.h" // from Expat
 
 // DLL options compatibility check:
-#include "wx/app.h"
 WX_CHECK_BUILD_OPTIONS("wxXML")
 
 
 bool wxXmlDocument::Load(const wxString& filename, const wxString& encoding)
 {
     wxFileInputStream stream(filename);
+    if (!stream.Ok())
+        return false;
     return Load(stream, encoding);
 }
 
 bool wxXmlDocument::Save(const wxString& filename) const
 {
     wxFileOutputStream stream(filename);
+    if (!stream.Ok())
+        return false;
     return Save(stream);
 }
 
         const wxWCharBuffer wbuf(
             wxConvUTF8.cMB2WC(s, len == wxSTRING_MAXLEN ? wxNO_LEN : len, NULL));
 
-        return wxString(wbuf, conv);
+        return wxString(wbuf, *conv);
     }
     else // already in UTF-8, no conversion needed
     {