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CAA开发之文档操作
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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。* ^$ K/ Y- ^9 V% }
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CAA中对文档操作的基本步骤如下:
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创建会话 - creating the session
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新建文档 - creating a new document* W& H9 R$ H r- E& O
" m# @% q) s7 p1 t调用接口 - Query Interface8 j7 J: {3 {2 @* u7 g) v; }7 {0 T1 H
8 \8 r1 Y0 ]1 ?. A获取根容器 - retrieving the root container
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( @0 I0 D7 ?) ?) J6 ?% p保存文档 - saving the document
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2 t, ?$ i6 \9 \4 A删除文档 - removing the document6 F! `" M$ c8 p4 B4 m- G. Q$ X7 H
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删除会话 - deleting the session
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上述步骤详细说明参考百库全书技术文章 Creating a New Document。5 `2 s, q% k. o: g0 [. N* L6 D4 {
, B4 G2 J+ z |- E6 E9 u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。
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4 M' \8 U) ]2 f( t: g下文将对各步骤进行补充说明。; A' }) H; D6 H( X# V& i6 `5 F
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1 文档创建(Create the new document)% v$ R" y' ]; _6 D2 l* C
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项 F0 K! Q" S. B8 k: Y7 D
New:新建一个空文档2 ]& X% D6 M) @( H6 n
3 H3 C0 ^+ d4 `0 ]NewFrom:新建自
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2 E ~/ @/ S. C; g新建文档代码:
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CATDocument* pDoc = NULL;3 q3 d: `1 A; y, O; z
HRESULT rc = CATDocumentServices::New("Part",pDoc);
" S2 E& ] o R% Y/ F/ r8 eif (NULL != pDoc)2 Y- @' h$ a* N L
{
9 J3 ^* `/ ]6 a3 i cout << "New document created OK" << endl << flush;
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else% H. g2 V& P# O* E
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cout << "ERROR in creating New document" << endl << flush;
9 g, Q4 w8 Z5 b& |* l3 m/ y I5 E return 2;
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( j; Q$ V7 m# }2 文档加载(Load the document)
9 {9 z3 }( l$ U# M# E, I3 S4 @文档加载即打开现有文档,主要方法包括
) ]0 P- G6 z* p+ @; {5 i+ @# kCATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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2 u) E' } Z) Y' y- \CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:9 L5 A" o# ?! s
CATDocument *pInstrumentDoc = NULL;( N# G1 L% z8 o* @) Z
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CATIIniInteractiveSession *piSession=NULL;( Z/ r0 b" g9 h' v9 Q& y+ _
9 z& H6 ]; `# \$ E# U/ ]. f- ~CATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);' P8 [: [# H% J& s. |
+ l8 z8 B, D: T7 h ]rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);4 t, j( g' h m; f6 y
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CATIEditor *piEditor=NULL;
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& }. O) N" y: I! B; o& Urc = piSession->Open(PathName,FALSE,&piEditor);- z; o0 d! I2 p/ @1 f H1 ?+ s$ e
& Y3 K) _, t) f: g0 N2 u, kCATFrmEditor * pFrmEditor = piEditor->GetEditor();/ l5 V: o' V8 n7 L# b
* n2 t6 `6 E2 m4 I' OpInstrumentDoc = pFrmEditor->GetDocument();
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OpenDcument方法:
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CATDocument *pDoc = NULL;0 ?4 H+ X' L# b; C5 v
CATUnicodeString storageName = "XXXX"; //文档保存路径名8 s/ `/ Z3 G2 j6 j
- A/ x+ c* ~3 @, ~5 J/ p* h, y) ?rc = CATDocumentServices::OpenDocument (storageName , pDoc);1 _+ G# B6 \ n/ A6 G' Q
/ [1 O2 r; r6 T1 uif (SUCCEEDED(rc) && (NULL != pDoc))
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cout << "Document opened OK" << endl << flush;
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. x# ^- m6 u; w& C ?, Eelse
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3 Z! ]2 T- S, `! ] cout << "ERROR in opening an existing document" << endl << flush;
* o" E2 B. e3 K6 B" y! _, \ return 2;
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2 G e; K6 q5 a* b3 获取当前文档3 U/ R% w0 M. m
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,
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CATFrmEditor * pEditor = GetEditor();
- M# h$ J, \: {9 n3 U, iif (NULL != pEditor ), H- E+ \" k2 }- z/ T# q
{
1 z, Q; ^% v' Z% Y cout << "Editor got OK" << endl << flush;5 I/ k/ ^* x# H6 N, I# Y5 R
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else4 ?$ o& b y1 H% G/ l" k
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cout << "ERROR in getting the current editor" << endl << flush;
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CATDocument *pDoc = pEditor->GetDocument();! R# }" _$ g, x' x3 W5 {' Q
if (NULL != pDoc)
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3 B; V7 Q# u+ M$ s3 A. p* Z. ] cout << "Document opened OK" << endl << flush;
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& v9 p$ {1 k$ m8 C( helse
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' t( m4 Q" E! O/ a4 u/ A cout << "ERROR in opening an existing document" << endl << flush;( n0 e# K/ h( k; x1 h
return 2;/ c' b& s8 n" Q. \+ \' W' y
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) E) }! e5 X; c& N8 @ 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
/ q: F- w |8 f( _9 ^4 保存文档(Save the Document)
' G6 [2 G& Y9 J! M4.1 另存:即保存为新模型/ X/ t; A" E& P# k0 i5 o4 [
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CATUnicodeString savePath = "XXXX"; //文档保存路径/ g8 r0 R. [! N& r
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
. Q$ d9 G" f# s1 M+ zif (SUCCEEDED(rc))
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2 E1 Z: ~ L9 Q3 R: d. z6 o cout << "Document saved OK" << endl << flush;
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: c) n {7 M3 M: g+ ~$ Belse
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3 v- B+ \* s" G. z( d& U cout << "ERROR in saving document" << endl << flush; r% J% n! s. W7 Y
return 5;
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8 |. s9 F' {2 P; R1 O ~4.2 保存:不更新保存路径
4 S0 G: i! S( x" P9 R& |% n: |$ arc = CATDocumentServices::Save (*pDoc);
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. o+ ]3 j% Q# [( u% y# n) K# u kif (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;1 ^2 J8 Z( R1 j" f4 y2 o
}
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cout << "ERROR in saving document" << endl << flush;" m# r/ N3 ]$ i/ D2 R N; A
return 3;
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5 删除(Remove the document)$ q D$ ~0 T& E1 y# \
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rc = CATDocumentServices::Remove (*pDoc);( K; J5 o9 M0 ~$ M7 m6 O! h3 h
if (SUCCEEDED(rc)) T" |' w- d S
{
6 ^4 G' B9 ` K: @2 v0 p cout << "Document removed OK" << endl << flush;
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else
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cout << "ERROR in removing document" << endl << flush;% R, ?, u7 ?" V! C; I
return 6;
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6 y0 r; C2 ]) `$ [方法封装
& ^6 r5 [4 }4 Z E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- s1 x7 j2 @; L% z
输入:
9 `3 j1 G& g0 G, R; c! L; |/ oCATUnicodeString PathName //文档(模型)的路径3 i3 X% y! y! E: s* t
输出:
S% A4 j% V/ f+ j) u* V0 aCATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:
/ B$ L5 w+ i- y- B获取当前模型树根节点& f6 W) g9 j4 c. r( }/ A
模型加载后可视化( F( j" U+ |( t, v# S
刷新根节点
8 Y0 m3 Z7 S% O* L% Z----->打开文件
3 Y% R% b. h* _1 a6 g0 ]! xCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)6 n* B% b3 @9 r$ f4 W& M
{
8 W, @: y9 X, U7 {* |7 Y' V. t! ^HRESULT rc=E_FAIL;/ \1 j9 s6 P: d' M7 l# G
CATBaseUnknown * pRootProduct = NULL;
+ W) {) E1 e: ~9 Y. U& |CATIProduct *piRootProduct = NULL;- D% C& ~# {* l1 u
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点4 M/ J v" }; \
if (SUCCEEDED(rc))
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4 N# Y0 d8 H% ~- r4 F5 t X! ]. z5 src = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
6 N! Q' @1 M% c) H4 Gif (SUCCEEDED(rc)&&NULL!= piRootProduct)
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CATDocument *pInstrumentDoc = NULL;
9 c+ g. o- w" Z4 i9 wCATIIniInteractiveSession *piSession=NULL;" |- X& i- b0 d* o' \* j
CATSession *pSession = NULL; a8 j6 o) K9 I) m! r* J: R4 X
rc = ::GetPtrSession(pSession);
. L. _" W7 c8 ~$ Grc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);8 {3 h& h) D: t" d- g0 m; y7 q
CATIEditor *piEditor=NULL;
5 a4 p' X/ n2 ^rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
; p' H1 e/ ?) w* r4 h+ ?0 o( fif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )) }5 q u! U6 |
{ cout <<"The document" <<PathName<< " is opened" << endl ; }+ e( f( G6 Y2 j8 C. Y; k0 X7 a
else; @7 X; n& h8 m, t
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }6 u2 q% O, l' ^2 _% `7 h
CATIProduct *piInstanceProd=NULL;
, ?! V" { i7 nrc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
. e5 r+ V# A5 ]+ ~* [if ( FAILED(rc) ) return FALSE;7 t+ G# Y4 W# A" Q0 t9 J; M8 }
// rc = piSession->Close(piEditor); * T- m4 K6 M1 W! s4 ^" D
* opiSonProd=piInstanceProd;& _5 e" F5 N) v7 g7 L# e
XXXFunction::UpdateProductRoot(); //更新根节点% s |' N' B# l
}
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$ [0 ]2 U o$ ?3 S% L) r4 b# creturn TRUE;
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! x; W( ^/ K$ [----->加载模型可视化
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HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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//AddExternalComponent全局函数所需的三个参数,9 l8 o6 M, |7 O X+ [ j
9 A2 `; @& g) M) D5 d2 j //被**的product document的root product,CATIProduct类型
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: z( p& O& p/ z/ O+ s7 l% Y //将要**的part document,CATDocument类型 n0 e5 C7 ~+ P! [8 B
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//the product instance of the imported document
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/ X4 K1 x5 L5 G% F //注意要**的document也要检索它的root product
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cout<<"添加组件执行"<<endl;
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HRESULT rc = E_FAIL;$ \- j' ? f( g B1 i" i& b
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if (! ipiFatherProd) return E_FAIL; * L" y& D' |7 {$ S( N
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if (! opiSonProd) return E_FAIL; 9 {* I- M2 \% R; [$ w8 N; E
5 O; p5 e; g$ F5 }1 w: Z6 q8 U/ O if ( NULL != iDocument)
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* ]4 x3 `, {' b. M. u! t // Get RootProduct of the document to import.
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) b, S9 V/ E5 P; w$ @. ^! \; [ CATIDocRoots *piDocRootsOnDoc = NULL;+ a5 H. W9 ~3 _5 T
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rc = iDocument->QueryInterface(IID_CATIDocRoots,
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4 R4 b3 J6 H: Z9 \& u% C2 R# w$ r3 p8 N (void**) &piDocRootsOnDoc);
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+ s I9 K$ Q7 V6 w9 {" y if ( FAILED(rc) ) return rc;& d+ _7 p+ X% } M. r7 J7 i
* ?4 L) z# c! r* k' m0 I2 B CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();: t1 H. x+ Y$ w/ H
% S1 I: Y% J2 y+ Y* E: m+ w3 q6 W CATIProduct_var spRootProduct = NULL_var;
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if (NULL != pRootProducts)
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0 X6 X7 H/ _; m" i, s: Z; T if (pRootProducts->Size())5 i+ U! I& c7 z4 G; |) r
+ y+ b% O/ S. ?$ P3 H9 X0 g$ ^ { 4 K& T+ b& F. A* [
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spRootProduct = (*pRootProducts)[1];# H1 r$ P$ U( Y I
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delete pRootProducts;
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3 O, i3 X, z+ _- L" Y4 I. B pRootProducts = NULL;* [) d$ D% H% ?7 E" K. l
! v6 C1 D. c& o7 U% k }' \1 j# L! @7 e7 C4 ]' z' P
" a( J) [5 ]* N* \ H: P piDocRootsOnDoc->Release();7 I; H, a3 k1 I) T% g8 h
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piDocRootsOnDoc=NULL;
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. L, ]' U& |) q0 v CATIProduct_var spProduct = NULL_var;
! A1 g: u# A: M1 O) X2 h& B1 U# J7 ?, S7 |) T1 L6 M" E
if (NULL_var != spRootProduct)3 b: k- _" c/ I
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{
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/ j; x. L+ Q* i4 K! ?" F spProduct = ipiFatherProd->AddProduct(spRootProduct);
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cout<<"NULL_var != spRootProduct"<<endl;" s8 F% i8 e# [, U6 @
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}
5 ~$ i8 V( \1 U5 x M
6 b8 ]$ S1 ?; Z5 ` else
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; |& A! ]" r4 t$ J1 _ CATUnicodeString docName = iDocument-> StorageName();
5 [# q' |" M! e6 Y& q( z5 j+ G& W* W D% F% {6 A
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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% s% Z" ~+ m7 I+ L9 u5 c }
# N' J+ w( }, `" x" U
& @% t$ g0 ^" C' A& c- p2 B | if (NULL_var != spProduct)
# k8 X4 ?( r0 p
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% N8 e0 N. ^- _
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
; j+ v3 e, [. I& N2 }+ m/ @5 H& d4 B3 ?6 M8 E
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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}
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}
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: I5 V+ X+ x: v# O: B% D6 M return rc; " U! W' W! H+ X4 X6 ~. B$ H# i
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}
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, O- q0 p c; z* E% ?----->刷新模型根节点* h& [8 d/ A; n4 ]4 P
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void XXXFunction::UpdateProductRoot()% m$ v! [4 X1 z5 q
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( J. P) b0 b5 b! K5 C' f //*******************************important**************************************4 N0 d% e6 ~+ I5 i* A$ G1 |& ?
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
; [9 k* Z5 M5 Z1 z6 g d) f7 ~+ ~1 `: ~) @' }
CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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K/ L4 b2 d4 M; f7 A0 K% J" ~. l' @+ e CATFrmEditor * pEditor = pWindow->GetEditor();' Y. s5 P: x, e1 G: T c* N0 b
$ e, t; c% q+ i0 `1 B CATDocument * pDoc = pEditor->GetDocument();
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//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$ D. Q9 F t" d) I8 ~& v# d
) U1 G' g1 w4 b! t4 M7 L: _; v+ B //首先,获取该当前活动文档的产品根节点
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! P6 [% q7 S9 |" G3 N( ~8 t CATIProduct *piRootProduct = NULL;
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. U$ S1 \4 j* V% Y- } CATIDocRoots* piDocRootsOnDoc = NULL;/ t4 W% X4 s8 s6 y& m' I, H. o
/ f7 w6 g3 C3 M3 c& b HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);& b) h0 i6 _# V
8 D! `4 _% V% l- m4 a if (SUCCEEDED(rc))
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. ^+ L4 H" Z4 l# {: m) x* K // Retrieve the root product which is the first element of root elements, l3 K) @/ D1 d. J: P
+ O: e! X" f) m+ O1 o CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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piDocRootsOnDoc -> Release();
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* L2 d9 F- _1 \/ g& v piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL;
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if (pRootProducts && pRootProducts->Size())
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{
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pBaseRootProduct = (*pRootProducts)[1];' {7 F6 t' n3 m5 G, F
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delete pRootProducts;
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* f% P; _1 @% B pRootProducts = NULL;
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; D8 E0 E% D" H" {: H. f if (NULL == pBaseRootProduct) return;+ J7 u- G# s2 p+ q; Z, e& A
2 R! @" q [* a5 q+ k% _/ x" B3 c rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);0 \9 P; g/ C) o4 d6 u1 A
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if (FAILED(rc)) return;$ W5 f1 Q' U- C; _0 C$ _* k
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//对模型树进行刷新
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新, c% r7 v |9 {* o$ u
# z+ _7 T' I, D; S4 C# x pPartRenew->Update();
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+ }! y4 j+ n3 m% Z/ ^! I' j else return;
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4 Z+ |) W# o: j) x1 c# l# L //----------------------------------------------------------------2 a* b& O" \+ v9 D9 q
* Y9 w8 M3 H1 r. o! q //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。: d+ F/ B9 m: Q& O
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CATIModelEvents_var spEvents = piRootProduct;" T) z( `, P1 s, c3 P; S
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CATModify ModifyEvent(piRootProduct);
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/ Z' n" S5 s( C9 W5 h: u/ F spEvents -> Dispatch (ModifyEvent);
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# h( q; R6 a6 [' {# E //Update the graph view7 u7 R, y: K6 y( q( e
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CATIRedrawEvent_var spRedraw = piRootProduct;8 J$ `/ C$ B, _3 F% H, R
6 e, M1 y' X# h; H2 h( V+ i, T spRedraw -> Redraw(); 0 W5 {5 c( G6 @: D% Q( |. a
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piRootProduct -> Release();
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piRootProduct = NULL;
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