Get Objects in region without using Editor

[Bradleywalker12380]

Is there a way to get the objects in a region without using the Editor? (Fence, SelectCrossingWindow, SelectWindowPolygon etc...) by using 3DPoints only 

[Bradleywalker12380]

Anyone have answers on this?

[hosneyalaa]

Hi
You can get an idea from this code

https://forums.autodesk.com/t5/net/spatial-query-in-autocad-2010/m-p/5304221/highlight/true#M42039 

 [CommandMethod("TEST")]
        public void Test()
        {
            Document doc = Application.DocumentManager.MdiActiveDocument;
            Database db = doc.Database;
            Editor ed = doc.Editor;

            PromptEntityOptions peo = new PromptEntityOptions("\nSelect a polyline: ");
            peo.SetRejectMessage("Only a polyline !");
            peo.AddAllowedClass(typeof(Polyline), true);
            PromptEntityResult per = ed.GetEntity(peo);
            if (per.Status != PromptStatus.OK)
                return;

            using (Transaction tr = db.TransactionManager.StartOpenCloseTransaction())
            {
                Polyline pline = (Polyline)tr.GetObject(per.ObjectId, OpenMode.ForRead);
                if (!pline.Closed)
                {
                    ed.WriteMessage("\nPolyline must be closed.");
                    return;
                }
                DBObjectCollection curves = new DBObjectCollection();
                curves.Add(pline);
                try
                {
                    using (DBObjectCollection regions = Region.CreateFromCurves(curves))
                    using (Region region = (Region)regions[0])
                    {
                        PromptPointOptions ppo = new PromptPointOptions("\nPick a point <quit>: ");
                        ppo.AllowNone = true;
                        while (true)
                        {
                            PromptPointResult ppr = ed.GetPoint(ppo);
                            if (ppr.Status != PromptStatus.OK)
                                break;
                            Application.ShowAlertDialog(
                                GetPointContainment(region, ppr.Value).ToString());
                        }
                    }
                }
                catch (System.Exception exn)
                {
                    ed.WriteMessage("\nError: " + exn.Message);
                }
            }
        }

        private PointContainment GetPointContainment(Region region, Point3d point)
        {
            PointContainment result = PointContainment.Outside;
            using (Brep brep = new Brep(region))
            {
                if (brep != null)
                {
                    using (BrepEntity ent = brep.GetPointContainment(point, out result))
                    {
                        if (ent is Autodesk.AutoCAD.BoundaryRepresentation.Face)
                        {
                            result = PointContainment.Inside;
                        }
                    }
                }
            }
            return result;
        }