Catia二次开发源码分享： 获取装配所有组件列表

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( [- y, |! q3 B- _# f[mw_shl_code=c,true]/* ----------------------------*/
& L1 V% t/ R% G9 U$ S9 h) @7 O/ r        /* 2. Retrieves Root Product   */
        /* ----------------------------*/
7 |  N4 N  r+ O3 G7 g/ y2 \1 e       
$ I; {, ~5 q6 ?7 m. J# z        // Begin navigation throUGh the document => start with the RootProduct.
* S6 u& c" ~; f+ E* m        CATIDocRoots* piDocRootsOnDoc = NULL;
2 g2 w  z! K+ i8 z# p; f        rc = pDoc->QueryInterface(IID_CATIDocRoots,
                                      (void**) &piDocRootsOnDoc);
        if ( FAILED(rc) ) return 3;
: }: o1 y5 j8 U) U6 j+ `6 V7 \; N# A       
# z+ |0 i2 ?1 T) y7 z        // get the root product which is the first element of root elements
        CATListValCATBaseUnknown_var* pRootProducts =
/ H1 Q& J/ K* _2 [  ]                piDocRootsOnDoc->GiveDocRoots();
        CATIProduct_var spRootProduct = NULL_var;
       
$ k! B& x7 p# m2 z, M0 H        if (pRootProducts && pRootProducts->Size())
. w. T7 f% X7 Q        {  
                spRootProduct = (*pRootProducts)[1];
4 m9 V+ \' R: w* F7 M                delete pRootProducts;
                pRootProducts = NULL;
1 G/ f& a* ~0 n7 V4 s. F        }
/** @anchor err_1 piDocRootsOnDoc not set to NULL after release */
        piDocRootsOnDoc->Release();
        piDocRootsOnDoc = NULL;
2 O. ^* ?. {# W- W       
        // Get CATIProduct handle on the root product.
$ |" X6 O1 M# w0 z- S) o        CATIProduct *piProductOnRoot = NULL;
% E- j$ h1 _) ~1 t" t        rc = spRootProduct->QueryInterface(IID_CATIProduct,
* j6 x! g  C+ u- X4 q, m- V                                               (void**) &piProductOnRoot);
        if ( FAILED(rc) ) return 3;
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        /* ---------------------------------------*/
% E  F* K0 `& s- @        /* 3. Retrieves children under the root   */
        /* ---------------------------------------*/
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        int nbOfDirecTChidren = piProductOnRoot -> GetChildrenCount() ;
7 H; Y  N. t$ [; s( [! T4 {8 g/ q' y; f        cout << " Number of direct children under the root = " << nbOfDirectChidren << endl << flush;
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. s* w1 [& O6 k1 }' B        // then on a root product, get all the children agregated to it.
        CATListValCATBaseUnknown_var*   ListChildren =
                piProductOnRoot->GetAllChildren();
/** @anchor err_2 piProductOnRoot not set to NULL after release */
        piProductOnRoot -> Release();
        piProductOnRoot = NULL;
9 I# K* A+ m& s9 w2 O        if(NULL != ListChildren)
        {
               
                int numberOfChildren = ListChildren->Size();
9 ~8 {, k+ b. O, x! V                cout << " Number of all children under the root = " << numberOfChildren << endl << flush;

                /* -----------------------------------------------------------*/
                /*  4. For each child, get its partNumber, and InstanceName   */
# V& j& A3 ]4 E, ^) g                /* -----------------------------------------------------------*/
                CATIProduct_var spChild = NULL_var;
, B- O8 X% u4 q- h7 n0 T+ i$ z5 W6 H6 Q9 e                for (int i=1;i<=numberOfChildren;i++)
3 X  I- t2 ]0 s3 u# o. F3 Y                {
                        spChild = (*ListChildren);
9 e- V" s1 B5 o/** @anchor err_3 spChild not tested before use ( if !! ) */
                        if ( NULL_var == spChild ) return 4;
* ^' j) {  G4 c7 l                        CATUnicodeString partNumber = spChild -> GetPartNumber();
                        CATUnicodeString instanceName (" ");
7 x. w6 e: N; Z. l3 m1 X                        rc = spChild -> GetPrdInstanceName ( instanceName ) ;
* l# L4 B# j( i  J: Q                        if  ( FAILED(rc) ) return 4;
                       
- @6 ?6 @8 m# U4 }) R4 \% u; k% }                        cout << " child number : " << i << endl << flush;
                        cout << " has as part number : " << partNumber.CastToCharPtr()  << endl << flush;
& m6 e+ `: Y; b. w" w, X                        cout << " and as instanceName : " << instanceName.CastToCharPtr() << endl << endl << flush;
                }
& O0 L0 g3 Y. C. e                delete ListChildren;
0 ~' D* {9 @, W; }                ListChildren=NULL;
        }       
        /* -------------------------------------------- */
9 Z7 B* J5 f+ N- H; @7 W4 a' w3 n        /*   Ends the session                        */
        /* -------------------------------------------- */[/mw_shl_code]
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