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标题: [用户交互] 使用AutoCAD标准对话框修改实体颜色、线型和线宽 [打印本页]

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作者: 萧闫子    时间: 2014-1-8 15:11
标题: [用户交互] 使用AutoCAD标准对话框修改实体颜色、线型和线宽

1. using Autodesk.AutoCAD.Runtime;
   
2. using Autodesk.AutoCAD.ApplicationServices;
   
3. using Autodesk.AutoCAD.DatabaseServices;
   
4. using Autodesk.AutoCAD.EditorInput;
   
5. using Autodesk.AutoCAD.Windows;
   
6. 
   
7. namespace EntityProperties
   
8. {
   
9. public class Commands
   
10. {
    
11. [CommandMethod("SPE")]
    
12. public void SetPropertiesOnEntity()
    
13. {
    
14.    Document doc =
    
15.       Application.DocumentManager.MdiActiveDocument;
    
16.    Database db = doc.Database;
    
17.    Editor ed = doc.Editor;
    
18. 
    
19.    PromptEntityResult per =
    
20.       ed.GetEntity(
    
21.       "\n选择要修改的实体: "
    
22.       );
    
23. 
    
24.    if (per.Status != PromptStatus.OK)
    
25.       return;
    
26. 
    
27.    Transaction tr =
    
28.       db.TransactionManager.StartTransaction();
    
29.    using (tr)
    
30.    {
    
31.       Entity ent =
    
32.       (Entity)
    
33.          tr.GetObject(
    
34.             per.ObjectId,
    
35.             OpenMode.ForRead
    
36.          );
    
37. 
    
38.       ColorDialog cd = new ColorDialog();
    
39.       cd.Color = ent.Color;
    
40. 
    
41.       System.Windows.Forms.DialogResult dr;
    
42. 
    
43.       dr = cd.ShowDialog();
    
44.       if (dr != System.Windows.Forms.DialogResult.OK)
    
45.       return;
    
46. 
    
47.       LinetypeDialog ltd = new LinetypeDialog();
    
48.       ltd.Linetype = ent.LinetypeId;
    
49. 
    
50.       dr = ltd.ShowDialog();
    
51.       if (dr != System.Windows.Forms.DialogResult.OK)
    
52.       return;
    
53. 
    
54.       LineWeightDialog lwd = new LineWeightDialog();
    
55.       lwd.LineWeight = ent.LineWeight;
    
56. 
    
57.       dr = lwd.ShowDialog();
    
58.       if (dr != System.Windows.Forms.DialogResult.OK)
    
59.       return;
    
60. 
    
61.       ent.UpgradeOpen();
    
62.       if (ent.Color != cd.Color)
    
63.       ent.Color = cd.Color;
    
64.       if (ent.LinetypeId != ltd.Linetype)
    
65.       ent.LinetypeId = ltd.Linetype;
    
66.       if (ent.LineWeight != lwd.LineWeight)
    
67.       ent.LineWeight = lwd.LineWeight;
    
68. 
    
69.       tr.Commit();
    
70.    }
    
71. }
    
72. }
    
73. }

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