Change Layer Colour of selected object AutoCAD DotNet

lucas3

1. using Autodesk.AutoCAD.ApplicationServices;
   
2. 
   
3. using Autodesk.AutoCAD.DatabaseServices;
   
4. 
   
5. using Autodesk.AutoCAD.Runtime;
   
6. 
   
7. using Autodesk.AutoCAD.EditorInput;
   
8. 
   
9. using Autodesk.AutoCAD.Geometry;
   
10. 
    
11. [assembly: CommandClass(typeof(iccTools.iccCommands))]
    
12. 
    
13. namespace iccTools
    
14. 
    
15. {
    
16. 
    
17. publicclassiccCommands
    
18. 
    
19. {
    
20. 
    
21. //The command used in AutoCAD “CLC”
    
22. 
    
23. [CommandMethod("CLC", CommandFlags.Session)]
    
24. 
    
25. publicvoid ChangeLayerColour()
    
26. 
    
27. {
    
28. 
    
29. //Get the current document & database
    
30. 
    
31. Document doc = Application.DocumentManager.MdiActiveDocument;
    
32. 
    
33. Database db = doc.Database;
    
34. 
    
35. //Lock the document
    
36. 
    
37. using (DocumentLock doclock = doc.LockDocument())
    
38. 
    
39. {
    
40. 
    
41. //Start new Transaction
    
42. 
    
43. using (Transaction tr = db.TransactionManager.StartTransaction())
    
44. 
    
45. {
    
46. 
    
47. PromptSelectionResult SSPrompt = SSPrompt = doc.Editor.GetSelection();
    
48. 
    
49. if (SSPrompt.Status == PromptStatus.OK)
    
50. 
    
51. {
    
52. 
    
53. SelectionSet SSet = SSPrompt.Value;
    
54. 
    
55. Autodesk.AutoCAD.Windows.ColorDialog cd = new Autodesk.AutoCAD.Windows.ColorDialog();
    
56. 
    
57. LayerTable lt = (LayerTable)tr.GetObject(db.LayerTableId, OpenMode.ForRead);
    
58. 
    
59. cd.ShowDialog();
    
60. 
    
61. if (!(cd.Color == null))
    
62. 
    
63. {
    
64. 
    
65. foreach (SelectedObject selObj in SSet)
    
66. 
    
67. {
    
68. 
    
69. Entity ent = (Entity)tr.GetObject(selObj.ObjectId, OpenMode.ForWrite, false, true);
    
70. 
    
71. if (lt.Has(ent.Layer))
    
72. 
    
73. {
    
74. 
    
75. //change layer properties
    
76. 
    
77. LayerTableRecord ltr = (LayerTableRecord)tr.GetObject(lt[ent.Layer], OpenMode.ForWrite);
    
78. 
    
79. ltr.Color = cd.Color;
    
80. 
    
81. }
    
82. 
    
83. }
    
84. 
    
85. tr.Commit();
    
86. 
    
87. }
    
88. 
    
89. }
    
90. 
    
91. //Unlock the document
    
92. 
    
93. }
    
94. 
    
95. }
    
96. 
    
97. }
    
98. 
    
99. }
    
100. 
     
101. }

using Autodesk.AutoCAD.ApplicationServices;<br /> <br /> using Autodesk.AutoCAD.DatabaseServices;<br /> <br /> using Autodesk.AutoCAD.Runtime;<br /> <br /> using Autodesk.AutoCAD.EditorInput;<br /> <br /> using Autodesk.AutoCAD.Geometry;<br /> <br /> [assembly: CommandClass(typeof(iccTools.iccCommands))]<br /> <br /> namespace iccTools<br /> <br /> {<br /> <br /> publicclassiccCommands<br /> <br /> {<br /> <br /> //The command used in AutoCAD “CLC”<br /> <br /> [CommandMethod("CLC", CommandFlags.Session)]<br /> <br /> publicvoid ChangeLayerColour()<br /> <br /> {<br /> <br /> //Get the current document & database<br /> <br /> Document doc = Application.DocumentManager.MdiActiveDocument;<br /> <br /> Database db = doc.Database;<br /> <br /> //Lock the document<br /> <br /> using (DocumentLock doclock = doc.LockDocument())<br /> <br /> {<br /> <br /> //Start new Transaction<br /> <br /> using (Transaction tr = db.TransactionManager.StartTransaction())<br /> <br /> {<br /> <br /> PromptSelectionResult SSPrompt = SSPrompt = doc.Editor.GetSelection();<br /> <br /> if (SSPrompt.Status == PromptStatus.OK)<br /> <br /> {<br /> <br /> SelectionSet SSet = SSPrompt.Value;<br /> <br /> Autodesk.AutoCAD.Windows.ColorDialog cd = new Autodesk.AutoCAD.Windows.ColorDialog();<br /> <br /> LayerTable lt = (LayerTable)tr.GetObject(db.LayerTableId, OpenMode.ForRead);<br /> <br /> cd.ShowDialog();<br /> <br /> if (!(cd.Color == null))<br /> <br /> {<br /> <br /> foreach (SelectedObject selObj in SSet)<br /> <br /> {<br /> <br /> Entity ent = (Entity)tr.GetObject(selObj.ObjectId, OpenMode.ForWrite, false, true);<br /> <br /> if (lt.Has(ent.Layer))<br /> <br /> {<br /> <br /> //change layer properties<br /> <br /> LayerTableRecord ltr = (LayerTableRecord)tr.GetObject(lt[ent.Layer], OpenMode.ForWrite);<br /> <br /> ltr.Color = cd.Color;<br /> <br /> }<br /> <br /> }<br /> <br /> tr.Commit();<br /> <br /> }<br /> <br /> }<br /> <br /> //Unlock the document<br /> <br /> }<br /> <br /> }<br /> <br /> }<br /> <br /> }<br /> <br /> }

csharp

层管理直接在layer管理器设置也可以