1 using Autodesk.AutoCAD.Runtime;
 2 using System;
 3 using System.Collections.Generic;
 4 using System.Linq;
 5 using System.Text;
 6 using System.Threading.Tasks;
 7 using Autodesk.AutoCAD.DatabaseServices;
 8 using Autodesk.AutoCAD.ApplicationServices;
 9 using Autodesk.AutoCAD.Geometry;
10 using Autodesk.AutoCAD.EditorInput;
11 using Autodesk.AutoCAD.ApplicationServices.Core;
12
13 namespace ShopDrawing
14 {
15     public class AccoreCmd
16     {
17         [CommandMethod("mySSsetTest")]
18         public void MyPlotModelSpace()
19         {
20             var doc = Application.DocumentManager.MdiActiveDocument;
21             var db = HostApplicationServices.WorkingDatabase;
22             var ed = doc.Editor;
23             //转化成世界坐标系
24             if (ed.CurrentUserCoordinateSystem != Matrix3d.Identity) ed.CurrentUserCoordinateSystem = Matrix3d.Identity;
25             using (Transaction trans = db.TransactionManager.StartTransaction())
26             {
27                 BlockTable bt = trans.GetObject(db.BlockTableId, OpenMode.ForRead) as BlockTable;
28                 BlockTableRecord ms = trans.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
29                 //获取块的边界范围
30                 var psr = ed.SelectCrossingWindow(Point3d.Origin, new Point3d(350, 650, 0),
31                     new Autodesk.AutoCAD.EditorInput.SelectionFilter(new TypedValue[] {
32                         new TypedValue((int)DxfCode.Start, RXClass.GetClass(typeof(BlockReference)).DxfName)
33                         }));
34                 if (psr.Status == Autodesk.AutoCAD.EditorInput.PromptStatus.OK)
35                 {
36                     foreach (SelectedObject item in psr.Value)
37                     {
38                         Entity ent = trans.GetObject(item.ObjectId, OpenMode.ForRead) as Entity;
39                         if (ent != null)
40                         {
41                             BlockReference blkRef = ent as BlockReference;
42                             if (blkRef.Name == "123")
43                             {
44                                 Polyline pline = new Polyline();
45                                 pline.AddVertexAt(0, new Point2d(blkRef.GeometricExtents.MaxPoint.X, blkRef.GeometricExtents.MaxPoint.Y), 0, 0, 0);
46                                 pline.AddVertexAt(0, new Point2d(blkRef.GeometricExtents.MinPoint.X, blkRef.GeometricExtents.MaxPoint.Y), 0, 0, 0);
47                                 pline.AddVertexAt(0, new Point2d(blkRef.GeometricExtents.MinPoint.X, blkRef.GeometricExtents.MinPoint.Y), 0, 0, 0);
48                                 pline.AddVertexAt(0, new Point2d(blkRef.GeometricExtents.MaxPoint.X, blkRef.GeometricExtents.MinPoint.Y), 0, 0, 0);
49                                 pline.AddVertexAt(0, new Point2d(blkRef.GeometricExtents.MaxPoint.X, blkRef.GeometricExtents.MaxPoint.Y), 0, 0, 0);
50                                 ms.AppendEntity(pline);
51                                 trans.AddNewlyCreatedDBObject(pline, true);
52                             }
53                         }
54                     }
55                     trans.Commit();
56                 }
57                 else ed.WriteMessage("Can't Find Any Block");
58             }
59         }
60     }
61 }