ARX 创建组实例（新建组，选择实体添加到组，输入层，修改组所在的层）

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1. static void TESTgrpcmd()
2. {
5. CString strGrp;
6. if(acedGetString(0,采用T("\n输入组名"),strGrp.GetBuffer(10)) != RTNORM)
7. {
8. return;
9. }
10. strGrp.ReleaseBuffer();
13. ads采用name ss;
14. if(acedSSGet(NULL,NULL,NULL,NULL,ss) != RTNORM)
15. {
16. return;
17. }
18. CString strLayer;
19. if(acedGetString(0,采用T("\n输入层名称"),strLayer.GetBuffer(10)) != RTNORM)
20. {
21. acedSSFree(ss);
22. return;
23. }
26. 创建组，改变层
27. AcDbGroup* pGrp = new AcDbGroup(strGrp);
28. long len ;
29. acedSSLength(ss,&len);
30. AcDbObjectId idObj;
31. ads采用name enName;
32. AcDbEntity* pEnt;
33. ErrorStatus es;
36. for(int i = 0;i < len;i ++)
37. {
38. if(acedSSName(ss,i,enName) != RTNORM)
39. {
40. continue;
41. }
42. acdbGetObjectId(idObj,enName);
43. pGrp->append(idObj);
44. }
45. pGrp->setLayer(strLayer);
50. 把组添加到词典中
51. AcDbDictionary* pGrpDic;
52. acdbHostApplicationServices()->workingDatabase()->getGroupDictionary(pGrpDic,AcDb::kForWrite);
53. AcDbObjectId idGrp;
54. pGrpDic->setAt(strGrp,pGrp,idGrp);
56. 释放内存
57. pGrp->close();
58. pGrpDic->close();
59. acedSSFree(ss);
60. }

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