获得图中所有不可见的实体到AcDbObjectIdArray

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1. /////////////////////////////////////////////////////
   
2. //  get invisible entities
   
3. /////////////////////////////////////////////////////
   
4. 
   
5. 
   
6. Acad::ErrorStatus
   
7. getInvisible(const char *blkName, AcDbObjectIdArray& ents)
   
8. {
   
9. AcDbBlockTable *pBT = NULL;
   
10.     Acad::ErrorStatus es;
    
11. 
    
12. 
    
13.     if (Acad::eOk != (es=acdbHostApplicationServices()->workingDatabase()->getBlockTable(pBT, AcDb::kForRead)))
    
14.   return es;
    
15. 
    
16. 
    
17.     AcDbBlockTableRecord *pBTR = NULL;
    
18. 
    
19. 
    
20.     if ( Acad::eOk != (es=pBT->getAt(blkName, pBTR, AcDb::kForRead))) {
    
21.   pBT->close();
    
22.   return es;
    
23. }
    
24. 
    
25. 
    
26. pBT->close();
    
27. 
    
28. AcDbBlockTableRecordIterator *pBTRIter = NULL;
    
29. AcDbEntity *pEnt = NULL;
    
30. 
    
31. 
    
32. for(pBTR->newIterator( pBTRIter ); !pBTRIter->done(); pBTRIter->step()) {
    
33.   pBTRIter->getEntity( pEnt, AcDb::kForRead );
    
34.   
    
35.   if (NULL != pEnt) {
    
36.    if (AcDb::kInvisible == pEnt->visibility())
    
37.     ents.append( pEnt->objectId() );
    
38. 
    
39. 
    
40.    pEnt->close();
    
41.    pEnt = NULL;
    
42.   }
    
43. }
    
44. delete pBTRIter;
    
45. pBTR->close();
    
46. 
    
47. 
    
48. return Acad::eOk;
    
49. }
    

/////////////////////////////////////////////////////<br /> //  get invisible entities<br /> /////////////////////////////////////////////////////<br /> <br /> <br /> Acad::ErrorStatus <br /> getInvisible(const char *blkName, AcDbObjectIdArray& ents)<br /> {<br /> AcDbBlockTable *pBT = NULL;<br />     Acad::ErrorStatus es;<br /> <br /> <br />     if (Acad::eOk != (es=acdbHostApplicationServices()->workingDatabase()->getBlockTable(pBT, AcDb::kForRead)))<br />   return es;<br /> <br /> <br />     AcDbBlockTableRecord *pBTR = NULL;<br /> <br /> <br />     if ( Acad::eOk != (es=pBT->getAt(blkName, pBTR, AcDb::kForRead))) { <br />   pBT->close();<br />   return es;<br /> }<br /> <br /> <br /> pBT->close();<br /> <br /> AcDbBlockTableRecordIterator *pBTRIter = NULL;<br /> AcDbEntity *pEnt = NULL;<br /> <br /> <br /> for(pBTR->newIterator( pBTRIter ); !pBTRIter->done(); pBTRIter->step()) {<br />   pBTRIter->getEntity( pEnt, AcDb::kForRead );<br />   <br />   if (NULL != pEnt) {<br />    if (AcDb::kInvisible == pEnt->visibility())<br />     ents.append( pEnt->objectId() );<br /> <br /> <br />    pEnt->close();<br />    pEnt = NULL;<br />   }<br /> }<br /> delete pBTRIter;<br /> pBTR->close();<br /> <br /> <br /> return Acad::eOk;<br /> }<br />

st788796

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