MathML转换成OfficeML

  public XslCompiledTransform XslTransforms;
            XslTransforms = new XslCompiledTransform();
            XslTransforms.Load(@"D:\DocEditor\Microsoft Office\Office14\MML2OMML.xsl");
    

  // The MML2OMML.xsl file is located under
        // %ProgramFiles%\Microsoft Office\Office12\
        /// <summary>
        /// 获取键值hash
        /// </summary>
        /// <param name="Docurl"></param>
        /// <param name="MathMl"></param>
        /// <returns></returns>
        public IDictionary<String,OpenXmlElement> GetOMMLHash(IDictionary<string, string> MathML)
        {
            IDictionary<String, OpenXmlElement> Currentresult=new Dictionary<string,OpenXmlElement>();
            foreach (var MMLname in MathML.Keys)
            {
                // Load the file containing your MathML presentation markup.
                using (XmlReader reader = XmlReader.Create(new StringReader(MathML[MMLname])))
                {
                    using (MemoryStream ms = new MemoryStream())
                    {
                        XmlWriterSettings settings = XslTransforms.OutputSettings.Clone();
                        // Configure xml writer to omit xml declaration.
                        settings.ConformanceLevel = ConformanceLevel.Fragment;
                        settings.OmitXmlDeclaration = true;
                        XmlWriter xw = XmlWriter.Create(ms, settings);
                        // Transform our MathML to OfficeMathML
                        XslTransforms.Transform(reader, xw);
                        ms.Seek(, SeekOrigin.Begin);
                        StreamReader sr = new StreamReader(ms, Encoding.UTF8);
                        string officeML = sr.ReadToEnd();
                        // Create a OfficeMath instance from the
                        // OfficeMathML xml.
                        DocumentFormat.OpenXml.Math.OfficeMath omml = new DocumentFormat.OpenXml.Math.OfficeMath(officeML);

                        Currentresult[MMLname] = omml;
                    }
                }
            }
            return Currentresult;
        }