/// <summary>
        /// 将Doc转换为rtf
        /// </summary>
        /// <param name="doc"></param>
        /// <returns></returns>
        private string DocTortf(string doc)
        {
            //创建一个word的实例
            Word.Application newApp = new Word.Application();

            // 指定源文件和目标文件
            object Source = doc;

            object Target = Path.GetDirectoryName(doc) + "\\" + Path.GetFileNameWithoutExtension(doc) + ".rtf";
            File.Create(Target.ToString()).Dispose();
            object Unknown = Type.Missing;

            // 打开要转换的Word文件
            newApp.Documents.Open(ref Source, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown);

            // 指定文档的类型
            object format = Word.WdSaveFormat.wdFormatRTF;

            //改变文档类型
            newApp.ActiveDocument.SaveAs(ref Target, ref format,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown, ref Unknown,
            ref Unknown, ref Unknown);

            //关闭word实例
            newApp.ActiveDocument.Close(ref Unknown, ref Unknown, ref Unknown);
            newApp.Quit(ref Unknown, ref Unknown, ref Unknown);

            return Target.ToString();
        }

/// <summary>
        /// 文件导入之前触发的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void rchEdit_BeforeImport(object sender, DevExpress.XtraRichEdit.BeforeImportEventArgs e)
        {

            _srcFileName = e.Options.SourceUri;//获取要导入的文件路径
            if (_srcFileName != "")  //路径不为空（显示导入文件的路径）
            {
                System.IO.FileInfo fi = new FileInfo(_srcFileName);
                if (fi == null)
                {
                    _srcFileName = "";
                    return;
                }
                string strExt = fi.Extension;

                if (strExt.ToLower() == ".rtf")
                {
                    _IsImportRtf = true;
                }
                else
                {
                    _IsImportRtf = false;

                }
                _IsImportFromOutFile = true;
            }
            else//路径为空（从数据库加载）
            {
                _IsImportFromOutFile = false;
            }

        }

/// <summary>
        /// 文档加载完成后触发的事件
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void rchEdit_DocumentLoaded(object sender, EventArgs e)
        {

            try
            {
                Document document = rchEdit.Document;

                document.DefaultCharacterProperties.FontName = "宋体";    //设置默认字体
                document.DefaultCharacterProperties.FontSize = 12;

                document.Unit = DevExpress.Office.DocumentUnit.Centimeter;//基本单位设置为厘米

                var path = Application.StartupPath + "\\" + ConfigurationManager.AppSettings["pageset"].ToString();

                if (!System.IO.File.Exists(path)) return;

                INIFileHelper.path = path;

                if (_IsImportFromOutFile == true && _IsImportRtf == false)//从外部导入的文件，则初始化页面字体为宋体（RichEditControl有Bug，导入文件后默认是方正姚体）
                {

                    if (!File.Exists(_srcFileName)) return;//   如果源文件不存在则忽略

                    
                    //如果导入的是doc或docx，则转换为rtf,并重新加载
                    string descDoc = DocTortf(_srcFileName);

                    //创建新的Doc文档
                    rchEdit.CreateNewDocument();

                    rchEdit.LoadDocument(descDoc, DevExpress.XtraRichEdit.DocumentFormat.Rtf);

                    File.Delete(descDoc);//删除临时文件

                }
                else if (this._FileId == null && _IsImportFromOutFile == false)//如果是新创建的文件
                {
                  
                    _IsImportFromOutFile = false;
                }
            }

            catch (Exception ex)
            {
                XtraMessageBox.Show(ex.Message);
            }

        }