mParser.setFeature("http://xml.org/sax/features/validation", 
                                     true);
                 mParser.setFeature(
                         "http://apache.org/xml/features/validation/schema", 
                          true);
                 mParser.setFeature(
                         "http://xml.org/sax/features/namespaces", 
                          true);
                 mParser.setFeature(
                     "http://apache.org/xml/features/continue-after-fatal-error", 
                      false );                 mLogger.finest( "setting schemas to - " + mSchemaLocation );                  mParser.setProperty(
                  "http://apache.org/xml/properties/schema/external-schemaLocation", 
                   mSchemaLocation );
                 mParser.setErrorHandler( this );]翻译成C#验证XML,或者解释一下代码意思,谢谢!