C# CAD arx得到模型空间所有实体的代码

最新推荐文章于 2024-03-12 19:48:52 发布

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最新推荐文章于 2024-03-12 19:48:52 发布 · 1.9k 阅读

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文章标签：

#C# #CAD #ARX #二次开发 #实体

本文介绍如何使用C#进行CAD的ARX二次开发，详细讲解了通过ARX接口获取模型空间中所有实体的代码实现过程，涵盖了关键的API调用和技术要点。

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   public List<Autodesk.AutoCAD.DatabaseServices.ObjectId> GetEntitiesInModelSpace()
        {
            List<Autodesk.AutoCAD.DatabaseServices.ObjectId> objects = new List<Autodesk.AutoCAD.DatabaseServices.ObjectId>();
            using (Autodesk.AutoCAD.DatabaseServices.Transaction transaction =   Autodesk.AutoCAD.ApplicationServices.Application.DocumentManager.MdiActiveDocument.TransactionManager.StartTransaction())
            {
                Autodesk.AutoCAD.DatabaseServices.BlockTable blockTable = 
                    (Autodesk.AutoCAD.DatabaseServices.BlockTable)transaction.GetObject(
                    Autodesk.AutoCAD.DatabaseServices.HostApplicationServices.WorkingDatabase.BlockTableId,
                    Autodesk.AutoCAD.DatabaseServices.OpenMode.ForRead);
                Autodesk.AutoCAD.DatabaseServices.BlockTableRecord blockTableRecord =
                    (Autodesk.AutoCAD.DatabaseServices.BlockTableRecord)transaction.GetObject(