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标题: 急问:实现抽面()CATIGSMExtractSolide之前的选面问题 [打印本页]

作者: meiping218301    时间: 2009-6-13 10:42
标题: 急问:实现抽面()CATIGSMExtractSolide之前的选面问题
_SolutionFound = new CATFeatureImportAgent( "SelectSolutionAgent" );
_SolutionFound -> SetOrderedElementType("CATIMfBiDimResult");
_SolutionFound -> AddElementType(IID_CATSurface);
......

  CATPathElement * pPath = (CATPathElement*) (*_pHSO)[i] ;
  if (pPath==NULL)continue;  
  
  CATBaseUnknown * Solution=NULL;
  Solution = pPath -> CurrentElement();
        if (NULL == Solution)continue;  
  _listObj.Append(Solution);   //_listObj为CATListValCATBaseUnknown_var;
......
for(int i=1;i<=_listObj.Size();i++)
{
  CATISpecObject_var spSurface=NULL_var;
  spSurface=_listObj[i];
  if(spSurface==NULL_var) continue;
  
 ==============
如果选的是多个面,只有第一个可以获得spSurface;
其他均为空,有没有人知道我的问题在哪里?
多谢多谢




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