ObjectARX 炸开实体程序段

	/*函数名称：AppendEntity()创建日期：20160922 LukyRen功能描述：获取空间模型实体ID参数描述：pEnt ：实体返回类型：实体Id*/AcDbObjectId McAcad:: AppendEntity(AcDbEntity *pEnt){AcDbDatabase *pDb = acdbHostApplicationServices()->workingDatabase();AcDbBlockTable *pBt;pDb->getBlockTable(pBt, AcDb::kForRead);AcDbBlockTableRecord *pBtr;pBt->getAt(ACDB_MODEL_SPACE, pBtr, AcDb::kForWrite);AcDbObjectId entId;pBtr->appendAcDbEntity(entId, pEnt);pBtr->close();pBt->close();pEnt->close();return entId;}/* 函数名称:		    PtToStr创建  人: 			LuckyRen创建日期: 			2010.08.01功能描述: 			将三维的点转化为字符串返回类型: 			字符串参数意义:           pt：要转化的三维点修改记录: 	*/CString McAcad::PtToStr(const AcGePoint3d& pt){CString sT;sT.Format(_T("%lf,%lf,%lf"),pt.x,pt.y,pt.z);return sT;}/*
函数名称: ExplodeEntity()
创建日期：20160922 LuckyRen
功能描述：炸开组装图实体
参数描述：无
*/void McAcad::ExplodeEntity(){ads_name en;ads_point pt;if(acedEntSel(_T("\n选择所要炸开的实体："),en,pt) != RTNORM){return;}AcDbObjectId entId;Acad::ErrorStatus es = acdbGetObjectId(entId,en);if(es != Acad::eOk)return;AcDbEntity *pEnt = NULL;acdbOpenAcDbEntity(pEnt,entId,AcDb::kForWrite);AcDbVoidPtrArray pExps;AcDbEntity *pExpEnt = NULL;int count = 0;if(pEnt->explode(pExps) == Acad::eOk){count = pExps.length();//炸开实体后的个数for(int i=0; i isA()->name());if(AcDbLine::cast(pExpEnt) != NULL){//直线AcDbLine* pLine = AcDbLine::cast(pExpEnt);CString sT1,sT2;AcGePoint3d P1;AcGePoint3d P2;P1 = pLine->startPoint();P2 = pLine->endPoint();sT1.Format(_T("\n   开始点:%s"),McAcad::PtToStr(P1));sT2.Format(_T("\n   结束点:%s"),McAcad::PtToStr(P2));acutPrintf(_T("\n %s%s%s"),sT1, sT2);}AppendEntity(pExpEnt);}pEnt->erase(true);}else{acutPrintf(_T("\n该实体对象不能被分解！"));}pEnt->close();}

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