[请问]我这样做为什么不行？
本帖最后由 作者 于 2003-11-23 14:01:54 编辑if(kkkk==1)AcDb2dPolyline *pline=new AcDb2dPolyline(AcDb::k2dFitCurvePoly,pt,0.0,Adesk::kTrue,bl1,bl1);
if(kkkk==2)AcDb2dPolyline *pline=new AcDb2dPolyline(AcDb::k2dQuadSplinePoly,pt,0.0,Adesk::kFalse,bl1,bl1);
if(kkkk==3)AcDb2dPolyline *pline=new AcDb2dPolyline(AcDb::k2dCubicSplinePoly,pt,0.0,Adesk::kFalse,bl1,bl1);
..........
pline->setElevation(zvalue);
if(gc2==0.0)pline->setColorIndex(3);
AcDbBlockTable *pBlockTable;
acdbHostApplicationServices()->workingDatabase()->getSymbolTable(pBlockTable,AcDb::kForRead);
AcDbBlockTableRecord *pBlockTableRecord;
pBlockTable->getAt(ACDB_MODEL_SPACE,pBlockTableRecord,AcDb::kForWrite);
pBlockTable->close();
AcDbObjectId plineObjId;
pBlockTableRecord->appendAcDbEntity(plineObjId,pline);
pBlockTableRecord->close();
pline->setLayer(layer_tc);
pline->setLinetype(layer_xx);
pline->close(); 我的目的是：根据kkkk判断，如果为1、2、3.......，分别为曲线拟合、二次B样条拟合、三次B样条拟合。如果分别编写程序，编译可以通过，如上代码合并在一起，编译不能通过。帮帮忙！分析一下原因，并告诉我正确的方法。
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