Catia二次开发源码分享：获取表达式参数的方法

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, \! F+ Y* Y4 y6 T$ F获得参数
* F$ e1 v2 ?; a  g3 [0 Q7 l1 @% |方法一：利用CATIDescendants 接口
CATIDescendants_var spDescendantsOnPart = spPrtPart;
CATListValCATISpecObject_var spSpecObjects;
$ w. v$ s4 u+ e% M7 {  cpiDescendantsOnPart->GetAllChildren("CATICkeParm", spSpecObjects);
方法二：利用CATIParmPublisher 中接口
CATIParmPublisher_var spParmPublisher = spPrtPart;
/ [% s1 i2 U% o4 sCATListValCATISpecObject_var ListFound;
1 ]% X3 j3 q3 q3 f  w0 OspParmPublisher->GetAllChildren("CATICkeParm",ListFound);
, I- W+ c! w% F4 _! {方法三：利用CATContainer 中的ListMembersHere 方法
8 U  f% r% e! a# e! LSEQUENCE(CATBaseUnknown_ptr) ListObj;
: Q' X  L! h. B1 i; M/ y! ^2 l: ulong NbObj = spContainer ->ListMembersHere("CATICkeParm",ListObj);
for(int j=0;j<NbObj;j++)//注意从0 开始
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& Z2 c/ t2 `) k& ECATIAlias_var spAlias = ListObj[j];
& G8 u. i6 c, p3 u4 H* Q; T7 Icout<<spAlias->GetAlias()<<endl; //输出参数的名字
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