解析eml文件

            string file = emailPath;
                CDO.Message oMsg = new CDO.Message();
                ADODB.Stream stm = null;
                //读取EML文件到CDO.MESSAGE，做分析的话，实际是用了下面的部分

                try
                {
                    stm = new ADODB.Stream();
                    stm.Open(System.Reflection.Missing.Value,
                    ADODB.ConnectModeEnum.adModeUnknown,
                    ADODB.StreamOpenOptionsEnum.adOpenStreamUnspecified,
                    "", "");
                    stm.Type = ADODB.StreamTypeEnum.adTypeBinary;//二进制方式读入

                    stm.LoadFromFile(file); //将EML读入数据流

                    oMsg.DataSource.OpenObject(stm, "_stream"); //将EML数据流载入到CDO.Message，要做解析的话，后面就可以了。
                    CDO.IBodyParts ip = oMsg.Attachments;
                    int count = oMsg.Attachments.Count;
                    if (count != 0)
                    {
                        for (int i = 1; i <= count; i++)
                        {

                            ////获取到附件的文件名称+后缀
                            object FileName = oMsg.Attachments[i].FileName;
                            //object fileContext=oMsg.Attachments[i].GetStream();
                            //内容
                            oMsg.Attachments[i].SaveToFile(@"C:\" + FileName);
                            //ip.GetEnumerator().Current;
                        }
                        MessageBox.Show("下载完成，保存到：C:\\根目录");
                    }
                    else
                    {
                        MessageBox.Show("没有附件");
                    }


                }
                catch (IOException ex)
                {

                }
                finally
                {
                    stm.Close();
                 }