克隆一个块定义（AcDbBlockTableRecord）

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1. AcDbObjectId cloneBlockRecord(AcDbObjectId from, char *to)
   
2. {
   
3.     AcDbBlockTable *pBlockTable;
   
4.     AcDbBlockTableRecord *pBlockTableRecord;
   
5.     AcGePoint3d tempOrigin;
   
6.     AcDbObjectIdArray arrayId;
   
7.     AcDbBlockTableRecordIterator *pIter;
   
8.     AcDbObjectId objId, tableId, blockTargetId;
   
9.     AcDbDatabase *pDB;
   
10.     AcDbIdMapping idMap;
    
11. 
    
12.     char buffer[21];
    
13. 
    
14. 
    
15.     pDB = acdbHostApplicationServices()->workingDatabase();
    
16. 
    
17.     acdbOpenAcDbObject ((AcDbObject *&)pBlockTableRecord, from,
    
18. AcDb::kForRead);
    
19.     tempOrigin = pBlockTableRecord->origin();   
    
20.     pBlockTableRecord->newIterator(pIter);
    
21.     while (!pIter->done())
    
22.     {
    
23.         pIter->getEntityId(objId);
    
24.         arrayId.append(objId);
    
25.         pIter->step();
    
26.     }
    
27.     delete pIter ;
    
28. 
    
29.     tableId = pBlockTableRecord->ownerId();
    
30.     pBlockTableRecord->close();
    
31. 
    
32. 
    
33.     pDB->getBlockTable(pBlockTable, AcDb::kForRead);
    
34. 
    
35.     strcpy(buffer, to);
    
36.     if(pBlockTable->has(buffer))
    
37.     {
    
38.         for (int i = 0; i < 255; i++)
    
39.         {
    
40.             sprintf(buffer, "%s%d", to, i);
    
41.             if(!pBlockTable->has(buffer))
    
42.             {
    
43.                 break;
    
44.             }
    
45.         }
    
46.     }
    
47. 
    
48.     pBlockTable->upgradeOpen ();
    
49.     pBlockTableRecord = new AcDbBlockTableRecord;
    
50.     pBlockTableRecord->setName(buffer);
    
51.     pBlockTableRecord->setOrigin(tempOrigin);
    
52. 
    
53.     pBlockTable->add(blockTargetId, pBlockTableRecord);
    
54.     pBlockTableRecord->close();
    
55.     pBlockTable->close();
    
56. 
    
57.     pDB->deepCloneObjects(arrayId, blockTargetId, idMap);
    
58. 
    
59.     return blockTargetId;
    
60. }
    

AcDbObjectId cloneBlockRecord(AcDbObjectId from, char *to)<br /> {<br />     AcDbBlockTable *pBlockTable;<br />     AcDbBlockTableRecord *pBlockTableRecord;<br />     AcGePoint3d tempOrigin;<br />     AcDbObjectIdArray arrayId;<br />     AcDbBlockTableRecordIterator *pIter;<br />     AcDbObjectId objId, tableId, blockTargetId;<br />     AcDbDatabase *pDB;<br />     AcDbIdMapping idMap;<br /> <br />     char buffer[21];<br /> <br /> <br />     pDB = acdbHostApplicationServices()->workingDatabase();<br /> <br />     acdbOpenAcDbObject ((AcDbObject *&)pBlockTableRecord, from,<br /> AcDb::kForRead);<br />     tempOrigin = pBlockTableRecord->origin();    <br />     pBlockTableRecord->newIterator(pIter);<br />     while (!pIter->done())<br />     {<br />         pIter->getEntityId(objId);<br />         arrayId.append(objId);<br />         pIter->step();<br />     }<br />     delete pIter ;<br /> <br />     tableId = pBlockTableRecord->ownerId();<br />     pBlockTableRecord->close();<br /> <br /> <br />     pDB->getBlockTable(pBlockTable, AcDb::kForRead);<br /> <br />     strcpy(buffer, to);<br />     if(pBlockTable->has(buffer))<br />     {<br />         for (int i = 0; i < 255; i++)<br />         {<br />             sprintf(buffer, "%s%d", to, i);<br />             if(!pBlockTable->has(buffer))<br />             {<br />                 break;<br />             }<br />         }<br />     }<br /> <br />     pBlockTable->upgradeOpen ();<br />     pBlockTableRecord = new AcDbBlockTableRecord;<br />     pBlockTableRecord->setName(buffer);<br />     pBlockTableRecord->setOrigin(tempOrigin);<br /> <br />     pBlockTable->add(blockTargetId, pBlockTableRecord);<br />     pBlockTableRecord->close();<br />     pBlockTable->close();<br /> <br />     pDB->deepCloneObjects(arrayId, blockTargetId, idMap);<br /> <br />     return blockTargetId;<br /> }<br />