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CAA开发之文档操作' t- f5 E; S4 X
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CAA开发中经常会遇到对模型文件的创建 ,加载 ,删除 和保存等操作,项目开发中可针对通用功能对基本方法进行封装。本文梳理文档操作的基本方法,并举例对部分方法进行封装,仅供参考。
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CAA中对文档操作的基本步骤如下:
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: I$ u a* f& @) ^+ Q6 |创建会话 - creating the session
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7 O/ J( b1 o% o新建文档 - creating a new document- m6 E% `1 n( i. e u1 X
& C" i* g4 e7 q调用接口 - Query Interface3 i3 @ l7 K+ N
* Y ^' p- H- X2 V9 c+ A获取根容器 - retrieving the root container
, ~3 Z+ b6 b! E( i) U' z5 F6 d& J+ s+ d5 S
保存文档 - saving the document
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3 E( P3 u7 m3 s7 Y删除文档 - removing the document
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删除会话 - deleting the session " U0 S- O0 y7 H7 z1 J% U+ B7 ~
/ U: [1 y* l1 Y0 H上述步骤详细说明参考百库全书技术文章 Creating a New Document。* U0 A+ y9 W* x, t) a W- ^5 T
7 y+ W9 i; P, R0 o文档(CATDocument)的操作主要依赖于CATDocumentServices 类,该类服务于文档的所有基本操作方法。通常用于批处理中对文档进行不可见的操作,如创建,打开,保存等。2 K* _+ a$ X- O" \( d, T
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下文将对各步骤进行补充说明。
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1 文档创建(Create the new document)
3 U: [# e* s+ j6 B8 `% x文档的创建通常有以下几种方式。可比较CATIA中文件菜单项9 P* S$ e+ e4 r' s( i; r
New:新建一个空文档4 ?! |' g: R! P7 F9 n
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NewFrom:新建自
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1 ^+ q3 H0 i( j2 a5 [9 `4 X新建文档代码:
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CATDocument* pDoc = NULL;6 s; x0 h( m( B& s, u" {
HRESULT rc = CATDocumentServices::New("Part",pDoc);$ s) @1 o/ o" I" q$ y! @, ~
if (NULL != pDoc)
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cout << "New document created OK" << endl << flush;
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else
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7 T ^/ [* e5 @# U, Y. _ cout << "ERROR in creating New document" << endl << flush;- q! q: C( n+ d3 C
return 2;' b& _" r; ^; c; @+ j
}
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2 文档加载(Load the document)5 d. R! E" l; N' J1 o0 ^7 c
文档加载即打开现有文档,主要方法包括( a7 v/ @' o5 u0 p2 h& Y) _
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示 E0 p9 ]1 Y7 m
7 ]( K; i# _' i$ gCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行& g g* `8 B# `; F! v
, v ?2 U+ M$ XOpen方法:6 A) Z$ F+ W0 B0 G1 a4 s# q
CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;+ |! s1 A* d3 g" J$ X5 M
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CATSession *pSession = NULL;
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! v2 C5 }) F- F& x1 Orc = ::GetPtrSession(pSession);
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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. L& b1 ~$ Q& }3 T1 VCATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);
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6 C( m; z% M3 h# A- Y2 OCATFrmEditor * pFrmEditor = piEditor->GetEditor();) V- @( Q2 Q( n& w# \* n+ K; _) P
: l; [9 @' C; z9 upInstrumentDoc = pFrmEditor->GetDocument(); 7 j+ V/ `$ ~4 d$ Q7 w. _) d
6 o2 p# J- {3 F9 o/ _ ......
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OpenDcument方法:
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9 P& \( K. M( f. t, ^% m# m) ?9 cCATDocument *pDoc = NULL;
& ]* q$ i3 _8 I9 B1 \CATUnicodeString storageName = "XXXX"; //文档保存路径名
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. k) T8 v0 T% arc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))
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4 z& k1 R4 }/ l# `" N# G [1 J cout << "Document opened OK" << endl << flush;
4 L2 h j6 v7 U' Y. u; M" v}
}% d3 F/ v, }! Qelse
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2 x l- w$ w* c4 `1 N v cout << "ERROR in opening an existing document" << endl << flush;
6 T* n$ `7 N5 O& L1 ?! Y! _" p' c return 2;7 F! D. r. z5 e/ x3 ?% ]
}
. X' I* K# P+ Y' s+ O3 获取当前文档
" S J4 G% s6 a3 o( Y获取当前文档,即获取文档指针*pDoc.上述方法都能获取该指针,但通常对文档操作是基于当前环境的,尤其是交互操作过程中,获取该文档指针之后才能对模型特征进行后续处理。获取当前编辑环境下文档指针方法如下,) C A! H' v( l/ \8 E5 y* E
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CATFrmEditor * pEditor = GetEditor();2 j* J3 W; D! A* Y
if (NULL != pEditor )
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8 D6 L7 z8 Q9 D c cout << "Editor got OK" << endl << flush;' P+ N: H% J, w2 x* x- X0 |. t
}2 W% }0 V2 T: e% ?' _* c9 i
else2 k( q3 e4 G% u+ G* a( l" m
{
! K1 M/ d% n6 C8 | cout << "ERROR in getting the current editor" << endl << flush;( n g ^# p& j) g" b# Q
return 1;! B9 g1 \) n6 p. T, d
}
: d3 t+ J9 X" ~ x" I$ YCATDocument *pDoc = pEditor->GetDocument();" w* }* G K- n( o3 V. R
if (NULL != pDoc)
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5 x4 _- \" ~7 y1 H5 C/ A. c" q cout << "Document opened OK" << endl << flush;
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else, k. D! ~) `8 F: O4 E6 O- N
{
1 j0 v8 |5 y+ ~8 z9 b. S; @/ e0 Q' H4 c cout << "ERROR in opening an existing document" << endl << flush;4 K4 T0 @; v3 r0 V
return 2;
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
. Z, `8 e m0 v+ y) C+ q) o8 p4 保存文档(Save the Document): C* b; V. q: \
4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径
4 A/ ^% m! K% g8 D8 h8 S. R2 Zrc = CATDocumentServices::SaveAs (*pDoc, savePath );# h- g: p* p1 M9 F, J- Y5 W
if (SUCCEEDED(rc))" k& r) ]+ M6 X+ {
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cout << "Document saved OK" << endl << flush;
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3 X8 M8 I; r9 F# a0 S/ Z! aelse" Z: u0 H3 R/ n( K- Y# }1 P
{
9 A+ H1 v) G1 H( g, n cout << "ERROR in saving document" << endl << flush;3 W( I% Z# J7 Q% z, n
return 5;9 d% i0 W5 o; e/ i6 L4 `9 v3 |
}
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4.2 保存:不更新保存路径
& W" R, U0 O. zrc = CATDocumentServices::Save (*pDoc);
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; M2 ?- C: e8 Z/ v# m- {, hif (SUCCEEDED(rc))9 k9 b; [9 L1 E( t, U- b
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cout << "Document saved OK" << endl << flush;
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% l$ k0 ~3 ]; f2 Y' ~+ S6 Melse
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1 Y$ f7 o L" ^, q7 E cout << "ERROR in saving document" << endl << flush;4 X t+ r8 I/ z$ K9 ~) o
return 3;
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+ l5 J$ o) i; k9 n$ D5 ?# v5 删除(Remove the document)8 P/ G! n. }* q2 Y, D. l4 R
0 d# r! J3 ?' ]3 N x" ?! trc = CATDocumentServices::Remove (*pDoc);8 b3 o' {. A/ S+ n+ F# j; \
if (SUCCEEDED(rc))+ i/ t _* l% e; _9 K+ m1 u% H
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cout << "Document removed OK" << endl << flush;
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else
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3 |: m( I* M5 O' j9 H7 g# L. r9 t$ X cout << "ERROR in removing document" << endl << flush;
5 `% V( L/ A. c. D return 6;7 N. x/ L' {5 _0 m* V( F7 s
}
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方法封装
* p9 r" X0 N. T, G7 C" j上述是对文档操作的基本方法,在实际项目开发中,该类操作使用比较频繁,通常只需要获取相应的指针即可,如对本地模型的特征操作,我们需要加载本地模型文档——获取其文档指针——获取其容器——获取其根节点。每次操作都是这关键的几个步骤,不同之处在于模型的本地路径,以及相应的模型在模型树上的根节点。因此,我们可以对文档加载方法进行封装,即输入设置为文档路径,输出为该模型在模型树上的根节点指针。如“打开文件”操作,封装成OpenCATFile方法如下. w$ E6 m; T& ^! Z3 J
输入:! _6 f/ ]7 Y3 e# H5 h& Z2 D
CATUnicodeString PathName //文档(模型)的路径8 B9 j7 T% d4 u z0 R# c
输出:
$ @: [" C7 m: }CATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:
* Q- v5 [& n& J: h获取当前模型树根节点
9 j8 F7 q( O$ [( K模型加载后可视化) }; g( v) B7 h, S9 U3 q; F
刷新根节点+ ?0 n. m; u, N5 ~4 ?# G2 d
----->打开文件/ Z* [+ F" _$ w, z8 d
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)& f) ?+ G V9 H: `" O& ?' K
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HRESULT rc=E_FAIL;, O! h: |; c# K9 E
CATBaseUnknown * pRootProduct = NULL;! W, _+ _5 p' C0 n+ x* y
CATIProduct *piRootProduct = NULL;& r) Z+ J; J( u2 h Z+ o
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点8 ^& ]8 n- {/ K3 z3 G
if (SUCCEEDED(rc))
( `; r, v* d: Q. x{
$ r9 B- Q# F8 L2 Crc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
+ m2 O: K' I* R; N+ |if (SUCCEEDED(rc)&&NULL!= piRootProduct)" ~5 M$ [8 I; C, e7 S1 G
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CATDocument *pInstrumentDoc = NULL;
: w [8 h( N" W) tCATIIniInteractiveSession *piSession=NULL;' O: Q% s) L( l
CATSession *pSession = NULL;
* _) w" c% N& |- l! g( grc = ::GetPtrSession(pSession);
& s* F w- E' P1 K' W! X& m prc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);/ }: c7 J" w2 b3 n
CATIEditor *piEditor=NULL;
& a4 F4 B2 J0 e# Jrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;% _% o& y! T9 j! D0 i5 A
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
/ V( G5 U7 E; Y$ C# _9 q{ cout <<"The document" <<PathName<< " is opened" << endl ; }
, ~' }/ ?! d% C( Melse
1 i+ O# E7 B# o6 C% a- y" G2 @{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }9 o# U& x) d* ~. E% C4 F4 O
CATIProduct *piInstanceProd=NULL;; h7 X/ f' W" h! x
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 : m. p! j5 }; L" R
if ( FAILED(rc) ) return FALSE;
' M% `2 V" J# d t9 o( |1 s, S: ~// rc = piSession->Close(piEditor); & y8 {5 _, |8 L% _* ^
* opiSonProd=piInstanceProd;
" Q$ }! |: O% }+ M2 eXXXFunction::UpdateProductRoot(); //更新根节点* a4 n9 y: p- Z
}
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return TRUE;
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----->加载模型可视化# k4 \% x2 J- S' y7 c
3 o5 x+ E& B! |1 c: U0 zHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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{
8 }1 r5 h0 s" p" [1 @! ~
) R* n2 F! l8 X) b //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); 1 x( C/ {9 D- q& B3 |
6 u1 P( ^, m! n, B6 A+ o$ m7 p //AddExternalComponent全局函数所需的三个参数,
* |% H- r/ l- K+ t9 b" H1 V: C& t& V# |2 {* X
//被**的product document的root product,CATIProduct类型! n" n# R0 ?" p
% J: |. q2 @ D' ?
//将要**的part document,CATDocument类型! s9 S1 V6 W- c6 ?2 E, r
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//the product instance of the imported document
* I8 }; K+ N! V5 V A5 h0 b. m! d, ?0 p& l5 Q
//注意要**的document也要检索它的root product2 a2 O% ~. l7 s7 ]
7 q: Y! y" i# Q, R cout<<"添加组件执行"<<endl;: T6 X3 Q* J& I/ O; G5 |" e- b0 ~
5 S e) o/ `) R" @7 p$ j) d0 J
HRESULT rc = E_FAIL;
( s- C, s; k7 \$ H& Q
5 _- M, s3 g$ c7 M if (! ipiFatherProd) return E_FAIL;
7 h, a% S* Z$ X6 _4 w5 L
, N" j* v6 ~6 n7 j( @/ m if (! opiSonProd) return E_FAIL; . t" ^( W6 ?" P4 P4 }9 z5 \0 E; ?1 q
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if ( NULL != iDocument)4 M0 T: {2 m: K! X0 I% n6 W
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// Get RootProduct of the document to import.: N/ P- x1 k- G& A
, u# ?) B) d3 Y3 |5 ?$ | CATIDocRoots *piDocRootsOnDoc = NULL;
. @, r9 ^0 A# ~5 H. g, F# O
$ q6 ]- B2 E2 K1 f5 f# h: s rc = iDocument->QueryInterface(IID_CATIDocRoots,
% e2 Z+ G3 l0 I+ n7 B( z+ |% V* w4 K$ W7 b
(void**) &piDocRootsOnDoc);( e3 c: q. |- E6 O- P6 r. n
" p; d0 _2 Q0 R2 }3 Z* k' t if ( FAILED(rc) ) return rc;0 O* @1 i; h& i; H% e
- E, p% H6 y' w. S5 }, R
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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CATIProduct_var spRootProduct = NULL_var;
# h# e2 Z7 U0 O1 Q+ D6 F
4 f3 h- P6 ?1 g$ O, k% _$ n if (NULL != pRootProducts)
& G1 o) A; G3 ^. n" A( e0 F
' d# w, ?/ ]# ]) r1 c6 f9 T {
0 r6 f& ]+ N& K/ I
3 C/ S9 {" X. u if (pRootProducts->Size())" C, y" \- n7 D5 n- D
6 C+ ?8 O) @ r; w: Q { 8 H' P3 r/ J' |- n
4 H$ j) `, r2 ~ spRootProduct = (*pRootProducts)[1];1 M% e. B0 Y0 J& K( N5 r2 @
0 A& P3 q8 o; ?. m! b. U
delete pRootProducts;
3 V+ P3 C: s2 r5 e. u( b
4 F8 v) A3 u+ z* B4 R, I pRootProducts = NULL;8 h* \/ |6 R" e9 N$ D
# ^% F# X6 H; [0 g# g }8 S4 u% m( e& c: G( x% b
; N. z# {/ V! y' }: | piDocRootsOnDoc->Release();
* p% ^% O D; G+ Y
5 j) Q1 L4 D6 [; o! L. N: }2 y piDocRootsOnDoc=NULL;( h8 H- H3 V, B5 R2 J; t
$ K! [: M' v C2 w }$ _
CATIProduct_var spProduct = NULL_var;
( c8 I# G @8 R% m
% B3 f( j# @2 Y- H( S$ o/ g! U( H9 F if (NULL_var != spRootProduct)1 P$ g0 m+ F5 [* q' }. a3 B
' ?9 R) @; ^" `# y- T) W* S% G8 F
{! t2 T! j# r. X& f
6 i' ^# @& I# C# b2 i+ w spProduct = ipiFatherProd->AddProduct(spRootProduct);
7 a; O% c4 F, f% ]% j/ x5 W( h" {2 ^% y' J
cout<<"NULL_var != spRootProduct"<<endl;
2 z" T- W8 T5 x a) R5 v8 t. w* [# ^( g7 {
}
. t& W$ A0 b4 }& U! q5 t
8 z# Q* ]& @. h+ q/ h else' ~* |; n1 ~7 v
3 @; l0 w* A, {/ o5 O" @9 j. l) k
{( [* C* [/ n' | y( a9 K, J
2 m* n( [$ \) z9 N1 D- F+ C* k CATUnicodeString docName = iDocument-> StorageName();* ?% n) c/ B# N
' K9 ?; a/ x9 z, U* G" C: K ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
& {/ U! }3 E! e( {# Z1 X. F- p2 j1 n- p3 f) \
}
4 \: d$ j' V, o
8 l! c _+ j1 o! H# U if (NULL_var != spProduct)
/ ]: k/ j1 F* P: {0 j5 `
. h. n6 M1 J: Q8 y! J* A {3 e: w6 I( {3 e' e
: `/ s" x& n$ s" y% s rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);2 J$ c8 L* N5 T+ M1 t* _' _
& Q6 {/ \# z8 b9 {6 \ if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;$ ~4 ], b" Z o8 Z1 q
0 q8 `; b: N; \ m( L" V
}3 k7 v% z# h# | r8 q
- S1 K6 W) S, P+ k1 |0 K } $ E3 A2 ?7 N( B& Q, c, |2 N0 d
, n2 S ]2 V' i$ f+ [
}
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return rc;
. e3 {4 F- S1 |+ U2 c
) W" x- m3 E. T4 j `5 Q/ e* B$ u) {4 p} 4 ?) ^6 H1 P D
. K/ \& d4 W* Q5 V( h+ K
----->刷新模型根节点
$ T$ i5 k! [& T
, }) C# a4 E' _& V! t( ]void XXXFunction::UpdateProductRoot()" r$ i% m) s" p7 [1 Y& o8 C. ^
- S3 Y) `1 x% M! p$ b{$ e5 o2 D' f. {+ h
2 b$ Z5 J7 z: ^) m1 o/ e+ J. r$ o //*******************************important*************************************** a( t) X+ @0 M' ?2 }7 P1 b3 f
, t+ r* c o6 o5 A) T# c
CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
; |9 |) }) ?5 q, B% D' D- R7 ^ v0 y6 C4 x. G
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
6 c* }; m s* Y$ A4 d5 o' k w2 V0 N
CATFrmEditor * pEditor = pWindow->GetEditor();5 ]+ D; z8 z5 t$ _; k
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CATDocument * pDoc = pEditor->GetDocument();
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, h p5 q! P8 S% v //特征对象已经创建完毕,需要对产品根节点发送消息,更新产品模型导航树
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# f! p1 C& s7 O //首先,获取该当前活动文档的产品根节点 # V" K; L# z/ L5 |+ h4 |) C
) P7 f j5 |1 ` Q+ L7 H- L CATIProduct *piRootProduct = NULL;
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% q0 B- U6 \+ s6 s s6 t CATIDocRoots* piDocRootsOnDoc = NULL;
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( N0 T& C1 u! ]+ ^! C) G; }1 P HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);) ^1 M; k9 C; s# T% c
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if (SUCCEEDED(rc))) W7 c4 }7 a- j
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// Retrieve the root product which is the first element of root elements
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^3 A |! j3 I) c$ u CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();# m' i) G, A4 C0 g W
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piDocRootsOnDoc -> Release();- s9 f2 q, E* A! ~5 D
1 J6 x l, t( E( m piDocRootsOnDoc = NULL;1 [% i: f* b0 P9 B$ M' S% W/ [
2 G W" w9 G: @; @8 S- E7 L3 K CATBaseUnknown *pBaseRootProduct = NULL; 9 h1 ?" I/ k# R6 D; k
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if (pRootProducts && pRootProducts->Size())' x- Y, J7 b+ c- `/ r5 ^/ t
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pBaseRootProduct = (*pRootProducts)[1];: ^+ {% H0 j% w- s3 i H: M* n
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delete pRootProducts;3 \2 }, S$ T% ]# E4 e0 c
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pRootProducts = NULL;% S% I* ?1 G6 f0 L
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if (NULL == pBaseRootProduct) return;
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' B; B6 |0 }) {. a) H rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;* B1 P* \5 ?# y2 f
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//对模型树进行刷新 S8 M6 |& ]2 x$ V3 B# p* ~6 N
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();
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}
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else return;
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//给产品根节点发送消息,通知其更新三维可视化模型和产品结构特征树。/ I: p8 m8 \2 U' k/ }
0 z; }; m, o$ N4 R" o* g CATIModelEvents_var spEvents = piRootProduct;- v! c! \# Z. p
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CATModify ModifyEvent(piRootProduct);
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) s) W! P) H3 w( [ spEvents -> Dispatch (ModifyEvent);
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; g$ T1 d8 f! }6 m/ y //Update the graph view: x+ Z5 A3 q0 m0 H, G+ {
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CATIRedrawEvent_var spRedraw = piRootProduct;
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( g6 p$ r+ o2 X+ a( Y/ t spRedraw -> Redraw(); ) t9 }' d& H" O. T, s: N8 |
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piRootProduct -> Release();1 u& j3 \% K% d# a2 g- m" j
+ U( O p& t* P9 Y% z$ M piRootProduct = NULL;. s" d0 V! N/ g6 V3 H/ ?2 y
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