cad.net 两台电脑的宋体居然不一样 cad宋体问号

我的两台电脑是win10的,然后设置了cad字体是"宋体",但是别的电脑打开之后就变成了问号,这很奇怪....以至于我很烦恼....

搜了一波之后,这个链接说的是对的 https://blog.csdn.net/tisn05/article/details/53063702

但是他只是找到了解决方案,没有找到问题原因,谁知道的告诉我一下...

我的c#代码写得比他多了点东西,主要是两台电脑相互保存的话,要能看见才行...

 主函数:

    public class Command_ChangNewSong : IAutoGo
    {
        public void Initialize()
        {
            ChangNewSong();//自执行一次
            Application.DocumentManager.DocumentCreated += new DocumentCollectionEventHandler(ChangNewSong);
        }

        public void Terminate()
        { }
        public static void ChangNewSong(object sender = null, DocumentCollectionEventArgs e = null)
        {
            try
            {
                using (Application.DocumentManager.MdiActiveDocument.LockDocument())//锁文档 
                {
                    Database db = HostApplicationServices.WorkingDatabase;//当前的数据库 
                    ChangNewSongEnt(db);
                    db.Save();
                     
                    //直接发送命令到cad命令栏 
                    SendToCad.SendCommand("REGENALL"); 
                }
            }
            catch
            { }
        }
        public static void ChangNewSongEnt(Database db)
        {
            //更改新宋体为宋体
            bool songticunzai = false;//SD_宋体 存在 
            bool songticunzaiNew = false;//SD_新宋体 存在      
            string ttc = ".TTF";

            using (Transaction tr = db.TransactionManager.StartTransaction())//来源数据库的事务
            {
                var st = tr.GetObject(db.TextStyleTableId, OpenMode.ForRead) as TextStyleTable;
                foreach (ObjectId id in st)
                {
                    if (id.IsOk())
                    {
                        var tstr = tr.GetObject(id, OpenMode.ForRead) as TextStyleTableRecord;
                        if (tstr.Name == "SD_" + AutoGo.ConfigTxtStyle)
                        {
                            songticunzai = true;
                        }
                        if (tstr.Name == "SD_新宋体")
                        {
                            songticunzaiNew = true;
                        }
                        if (tstr.Font.TypeFace != "")//缺失字体
                        {
                            string trypFace = tstr.Font.TypeFace.ToUpper();
                            //if (tstr.Name == "SD_宋体")
                            //{
                            //    System.Windows.Forms.MessageBox.Show($"SD_宋体用了这个:{trypFace}");
                            //}
                            if (trypFace == "RS_Song".ToUpper() || trypFace == "SimSun".ToUpper())
                            {
                                tr.AddTextStyle(db, tstr.Name, AutoGo.ConfigTxtStyle + ttc);
                            }
                        }
                    }
                }
                if (!songticunzai) //没有就是可以改名称
                {
                    foreach (ObjectId id in st)
                    {
                        if (id.IsOk())
                        {
                            var tstr = tr.GetObject(id, OpenMode.ForRead) as TextStyleTableRecord;
                            if (tstr.Font.TypeFace == "新宋体" && tstr.Name == "SD_新宋体")
                            {
                                tstr.UpgradeOpen();
                                tstr.Name = "SD_" + AutoGo.ConfigTxtStyle;
                                tstr.DowngradeOpen();
                            }
                            if (tstr.Font.TypeFace == "新宋体")
                            {
                                tr.AddTextStyle(db, tstr.Name, AutoGo.ConfigTxtStyle + ttc);
                            }
                        }
                    }
                }
                tr.Commit();
            }

            using (Transaction tr = db.TransactionManager.StartTransaction())//来源数据库的事务
            {
                if (songticunzai)
                {
                    if (songticunzaiNew)  //判断有没有 "SD_新宋体"
                    {
#if !HC2019
                        //文字样式
                        var stid = tr.AddTextStyle(db, "SD_新宋体", AutoGo.ConfigTxtStyle + ttc);
#else
                           //文字样式
                            var stid = tr.AddTextStyleToDatabase(db,"SD_新宋体",  AutoGo.ConfigTxtStyle);
#endif
                    }
                }
                else
                {
#if !HC2019
                    //文字样式
                    var stid = tr.AddTextStyle(db, "SD_" + AutoGo.ConfigTxtStyle, AutoGo.ConfigTxtStyle + ttc);
#else
                         //文字样式
                         var stid = tr.AddTextStyleToDatabase(db,"SD_" +  AutoGo.ConfigTxtStyle,  AutoGo.ConfigTxtStyle);
#endif
                }
                tr.Commit();
            }
        }
    }

新建字体函数

        /// <summary>
        /// 新建文字样式
        /// </summary>
        /// <param name="db"></param>
        /// <param name="name">样式名</param>
        /// <param name="smallfont">字体名</param>
        /// <param name="bigfont">大字体</param>
        /// <param name="height">高度</param>
        /// <param name="xscale">宽度因子</param>
        /// <returns></returns>
        public static ObjectId AddTextStyle(this Transaction tr, Database db, string name, string smallfont, string bigfont = null, double xscale = 1, double height = 0)
        {
            ObjectId ida = ObjectId.Null;

            //获取已有这个名字的文字样式表记录
            var st = tr.GetObject(db.TextStyleTableId, OpenMode.ForRead) as TextStyleTable;
            foreach (ObjectId id in st)
            {
                if (id.IsOk())
                {
                    var tstr = tr.GetObject(id, OpenMode.ForRead) as TextStyleTableRecord;
                    if (tstr.Name == name)//有就打开,并修改内容
                    {
                        if (!string.IsNullOrEmpty(smallfont))//如果字体不设置,就只返回
                        {
                            tstr.UpgradeOpen();

                            tstr.FileName = smallfont;
                            if (bigfont == null)
                            {
                                tstr.BigFontFileName = "";
                            }
                            else
                            {
                                tstr.BigFontFileName = bigfont;
                            }
                            tstr.TextSize = height;
                            tstr.XScale = xscale;

                            tstr.DowngradeOpen();
                        }
                        ida = id;
                        break;
                    }
                }
            }
            //没有就新建一个
            if (ida == ObjectId.Null)
            {
                TextStyleTableRecord tstr = new TextStyleTableRecord
                {
                    Name = name,
                    FileName = smallfont,

                    TextSize = height,
                    XScale = xscale
                };

                if (bigfont == null)
                {
                    tstr.BigFontFileName = "";
                }
                else
                {
                    tstr.BigFontFileName = bigfont;
                }
                st.UpgradeOpen();
                ida = st.Add(tstr);
                tr.AddNewlyCreatedDBObject(tstr, true);
                st.DowngradeOpen();
            }
            return ida;
        }

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