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  • .net中取得CAD的当前图层名称

     /// <summary>
            /// 取得当前图层名称
            /// </summary>
            /// <param name="db">数据库对象</param>
            /// <returns></returns>
            public  static string  GetCurrentLayer(this Database db)
            {
                //Database db = HostApplicationServices.WorkingDatabase;
                using (Transaction trans = db.TransactionManager.StartTransaction())
                {
                    //获取当前图形中所有颜色为红色的图层层名
                    var CurrentLayer = (from layer in db.GetAllLayers()
                                     where layer.Id==db.Clayer
                                     select layer.Name).ToList();
                    return CurrentLayer[0];
                    trans.Commit();
                }
            }

    上面这个办法比较麻烦,可以按下面的办法做:

            /// <summary>
            /// 取得当前图层名称
            /// </summary>
            /// <param name="db">数据库对象</param>
            /// <returns></returns>
            public  static string  GetCurrentLayer(this Database db)
            {
                using (Transaction trans = db.TransactionManager.StartTransaction())
                {
                    LayerTableRecord ltr = (LayerTableRecord)db.Clayer.GetObject(OpenMode.ForRead);
                    return ltr.Name;
                    trans.Commit();
                }
            }

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  • 原文地址:https://www.cnblogs.com/swtool/p/3840269.html
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