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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。, j" q) i( y- D% H, S( d0 w: X
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CAA中对文档操作的基本步骤如下:3 h, V# [( y- d: A* c/ B e% ^& I
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创建会话 - creating the session
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3 F U) A9 E8 v' }& L4 ?新建文档 - creating a new document
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9 V6 B" z' a7 ^0 Y调用接口 - Query Interface
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. a/ k! ~' w$ e! e2 v+ f; _7 X5 ]$ {获取根容器 - retrieving the root container8 ]& n" w b, P4 V x5 y3 ?* I
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保存文档 - saving the document
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删除文档 - removing the document
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删除会话 - deleting the session 9 q$ q) {" N ?4 D' q
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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。
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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。# W% d4 {! m3 k! K- j& W# ^7 s
5 R" S7 ~$ B# G7 G b下文将对各步骤进行补充说明。
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/ V5 n# \/ \8 O" D" Z" O1 文档创建(Create the new document)
! W% r( X+ R3 ?# B1 n" V文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
% o2 c. H* d0 u! Z/ MNew:新建一个空文档
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NewFrom:新建自3 z! g, _0 y! ~5 R$ F
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新建文档代码:4 H9 U/ f4 x h
, \7 n; I' B) G3 vCATDocument* pDoc = NULL;7 Z; C5 E, \& y$ _
HRESULT rc = CATDocumentServices::New("Part",pDoc);
" ?# U8 y2 ]: S; ~, L" ` Wif (NULL != pDoc)3 C% h: e* z6 ^5 S4 t5 \
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cout << "New document created OK" << endl << flush;& d7 E' x. z) B. C6 D# V
}
5 p: q+ I& @+ f" N; d8 `else
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9 T- j) c3 [, g+ r cout << "ERROR in creating New document" << endl << flush;, p7 v1 V! p3 f- G$ V2 Q
return 2;
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: |' {: N% M/ W$ w! @* A5 ^2 文档加载(Load the document)
) P4 O& ~7 B, G& P文档加载即打开现有文档,主要方法包括# a9 _/ f. A4 m! L! l4 K2 z: D
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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- n' _( o0 v* z% d; J( XCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行; r. i# V+ W5 F6 z6 Q3 K
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Open方法:
7 g& X- p( d) e9 U( x0 KCATDocument *pInstrumentDoc = NULL;( {4 p7 y8 s' Q$ P% S) r* C: s
& t+ K/ Q3 O: Z/ GCATIIniInteractiveSession *piSession=NULL;1 W$ }6 i8 g' ~7 y
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CATSession *pSession = NULL;
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2 h) d0 f H2 w: ^rc = ::GetPtrSession(pSession);
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6 V6 u; L o$ \3 Y irc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);' t. N, J; H/ F
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CATIEditor *piEditor=NULL;
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0 I( ?& z6 l5 frc = piSession->Open(PathName,FALSE,&piEditor);+ \; W- w& V+ `- L7 k8 d5 L) j9 A3 u
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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% e! i2 K3 ?6 a2 m3 b/ i2 tpInstrumentDoc = pFrmEditor->GetDocument();
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......# n+ n* L( {* m8 ]8 {9 u* ^
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OpenDcument方法:% F4 |$ [6 s8 I. h* ]2 m& l/ |3 Q$ J
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CATDocument *pDoc = NULL;
1 e# ]% g* `. L `, g: yCATUnicodeString storageName = "XXXX"; //文档保存路径名
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);
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if (SUCCEEDED(rc) && (NULL != pDoc))' _8 P4 [; H+ O' O% O
{
# w2 v3 p$ G( \ Q3 e cout << "Document opened OK" << endl << flush;1 P6 r7 U7 x- P5 }0 h' v0 T5 @; F
}
) k9 m) Y6 W6 g; eelse
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cout << "ERROR in opening an existing document" << endl << flush; I3 I; r" g# J: a/ G# u
return 2;
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3 获取当前文档
5 Q9 \' o! Y5 K) d( p8 ~4 G% ?2 f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,( H9 b) v# Z7 T. i' o L ?5 f$ `+ u
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CATFrmEditor * pEditor = GetEditor();+ i* o, W) L: G$ G1 V4 h1 t
if (NULL != pEditor ). Q) O" B6 j- I5 m6 M
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cout << "Editor got OK" << endl << flush;
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3 M0 e4 A( E( g; l# |! @ cout << "ERROR in getting the current editor" << endl << flush;+ ]' g& a* P/ G
return 1;8 o7 V2 U* A6 p" d( ~
}
0 q$ t6 j8 a$ YCATDocument *pDoc = pEditor->GetDocument();4 V& u3 J% o0 g) j# F3 A2 h0 U
if (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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else
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) O7 u4 ^0 w8 |* d, @ cout << "ERROR in opening an existing document" << endl << flush;4 E# i3 |/ n1 k# S1 v, n+ P
return 2;
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$ X; V7 a- {3 W/ s& j) c+ u 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
) |' C; U5 W* J0 ^7 N! X2 z2 Q4 保存文档(Save the Document)
8 a! p/ `, s; w4.1 另存:即保存为新模型
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CATUnicodeString savePath = "XXXX"; //文档保存路径
6 p- [" o9 C# h% G5 Qrc = CATDocumentServices::SaveAs (*pDoc, savePath );
" r3 I4 q7 j1 M* t& V/ M0 Gif (SUCCEEDED(rc))
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! `; P* v$ v d& A cout << "Document saved OK" << endl << flush;
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cout << "ERROR in saving document" << endl << flush;8 l6 {3 D6 }- ^+ T) Z
return 5;+ r' h9 q8 ?5 Y* h' ~1 b, ]- \
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c# u) q/ }* {7 v4.2 保存:不更新保存路径
( Z4 o- x, e) l, A) ?, I- p/ g" @rc = CATDocumentServices::Save (*pDoc);2 ?* d' s9 |; W+ t# h# X
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if (SUCCEEDED(rc))$ e( Y+ D" `$ D' M
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cout << "Document saved OK" << endl << flush;/ g. N* |' P3 g" I% m
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else
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: i# S+ W! t* n3 ~+ |+ T cout << "ERROR in saving document" << endl << flush;
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}
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5 删除(Remove the document)
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1 |0 `' ^/ f4 m. s; A: d. Zrc = CATDocumentServices::Remove (*pDoc);
$ r# a3 j) v/ A) e9 E1 {if (SUCCEEDED(rc))- Y" T6 E3 L8 k& V
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cout << "Document removed OK" << endl << flush;9 H! h; W1 |3 X# r0 ^& p# y
}
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cout << "ERROR in removing document" << endl << flush;
. b. c0 V+ ?9 o6 w { return 6;
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方法封装1 o8 k7 i$ U8 c5 p0 Z$ X
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 r; R* B2 l; _( T4 B& _7 w+ B; W
输入:/ _6 k$ a- Q V, W
CATUnicodeString PathName //文档(模型)的路径
$ Q+ C7 T0 r. _输出:7 n+ [6 `. p8 ? V+ b$ K, g$ t
CATIProduct ** opiSonProd //文档(模型)的指针" ~$ p7 r$ T/ p6 X" a# a
& a6 b. \8 X6 ]辅助功能函数:
% V7 }0 x. v* Z: E' M0 Q2 z获取当前模型树根节点0 _4 e# u& n R7 l+ ]4 S
模型加载后可视化
: o6 m1 c$ D9 {: r$ u刷新根节点
, U: O" p6 p$ V5 m5 X. L$ i4 h6 q) {----->打开文件! e6 X& M3 \1 F' u
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)4 ]. ~. Z% H4 l, O$ Q* P' U& D! C
{
* G( n( K* I$ C/ hHRESULT rc=E_FAIL;
9 s& p# P8 n2 `) _) JCATBaseUnknown * pRootProduct = NULL;3 w; }% G" }2 O
CATIProduct *piRootProduct = NULL;2 P+ ^* Q+ _0 R* s/ ~9 S
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点6 e6 m: q- G/ }5 F
if (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);6 ^. g y9 D2 |
if (SUCCEEDED(rc)&&NULL!= piRootProduct)
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* D. d" m7 B5 `9 ZCATDocument *pInstrumentDoc = NULL;
" O+ u8 d8 |" W7 HCATIIniInteractiveSession *piSession=NULL;) x8 ]# K& \7 V$ W6 [( t3 H, U
CATSession *pSession = NULL;
3 R5 \8 D6 F& I' X/ W0 Q4 F% [rc = ::GetPtrSession(pSession);1 ` ~! d' E1 ]/ F. i# Q5 `3 x
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);9 m4 o( I/ X. V1 A' ]8 t3 h/ S
CATIEditor *piEditor=NULL;6 f c5 l9 Y( J! b# M% P6 G8 }
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;# w- a2 L& k4 {. Q8 d
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
* r% C; E: H6 ]1 D7 n- y* P0 z5 I{ cout <<"The document" <<PathName<< " is opened" << endl ; }
0 ^- e n0 _- f& l: Zelse/ O N! F( a8 ]) y) T$ f Q
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }+ t2 Y7 A5 y. ?0 D* Q
CATIProduct *piInstanceProd=NULL;1 i" A; {# }. g
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
: T- q$ r) e5 g! B1 j& Sif ( FAILED(rc) ) return FALSE;4 z- _# |4 @# J5 a
// rc = piSession->Close(piEditor); . `6 u+ B' m# v( @& V
* opiSonProd=piInstanceProd; g! f2 m# k6 j6 E9 |$ b- o9 a
XXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;+ N6 k- y A6 p/ @" B* p( ]: \7 q
}
3 L$ [, s$ \4 m/ s r! ~& _6 K# B----->加载模型可视化
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: ]! J$ \) M+ e5 ]- z9 J/ O: OHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)4 H* f4 |* W. k# ^- w
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{: H& L( j, f9 S3 d" G! t
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); 5 k9 m1 W' A5 ? k7 b) {
6 r3 W2 p& U& g( T3 A! d& ]; ]/ {7 I //AddExternalComponent全局函数所需的三个参数,
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//被**的product document的root product,CATIProduct类型
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& E' C3 ~. O: W8 J //将要**的part document,CATDocument类型
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1 U$ f* O5 z1 F/ _ //the product instance of the imported document
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! I! \% M1 \5 w' I# U0 K+ P //注意要**的document也要检索它的root product8 n& u9 s( F$ \
7 }: s* B" ]4 G( L& ]6 \ cout<<"添加组件执行"<<endl;
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& {; V+ l1 S( z HRESULT rc = E_FAIL;; A3 l' u5 g* f' T! e U
# a3 T: e. N; f; M' H3 j J8 S7 P3 P if (! ipiFatherProd) return E_FAIL;
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1 Q) _/ k$ ^; }% d2 k if (! opiSonProd) return E_FAIL; , T, E$ b( @3 C7 Z
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if ( NULL != iDocument) u! D1 V$ J' H4 M* |; \% R# q5 O
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2 y0 N8 l$ x m! q$ _/ `- A // Get RootProduct of the document to import.! I9 Q( k* \& e4 K0 |4 b6 L+ W
: [& B O% m* `: n* B7 E CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,- @& C, G& W; K5 S+ _
8 u1 x' `1 `2 l5 ?' I, d: N6 [2 y2 a (void**) &piDocRootsOnDoc);
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if ( FAILED(rc) ) return rc;( }9 y) Q! r& [9 a
2 E+ k5 D7 {. F" z' ? CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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/ U$ h$ q2 ]$ J4 z; Z- q- I CATIProduct_var spRootProduct = NULL_var;3 t) r$ j+ c. o
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if (NULL != pRootProducts)
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I# \2 r; u3 L, j" {. L if (pRootProducts->Size())
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7 d- l/ J1 w# k. N7 g. h+ i spRootProduct = (*pRootProducts)[1];3 y( x: ]9 d. @) a# E& H; I, C
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delete pRootProducts;
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pRootProducts = NULL;
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piDocRootsOnDoc->Release();3 q( H! R* e1 I
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piDocRootsOnDoc=NULL;; I9 j: Z' g5 B+ t$ l
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CATIProduct_var spProduct = NULL_var;
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& ^" c7 k# h: y% L7 _" c if (NULL_var != spRootProduct)( j) g# B; q4 M m3 b& B
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spProduct = ipiFatherProd->AddProduct(spRootProduct);' t# [/ k2 M6 Y. Y/ x2 _" Q
; |& k; p* {0 d% `7 ?! L9 u cout<<"NULL_var != spRootProduct"<<endl;
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}
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CATUnicodeString docName = iDocument-> StorageName();8 c5 \& o6 G% q
+ H' U4 _9 B1 G8 L. x. b ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);1 w" e2 L; l# Y8 B) Y9 \1 h2 U
$ G3 I9 I; a3 F3 L# w' | }
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1 t$ @ C( s7 M if (NULL_var != spProduct)4 h3 H+ B1 U+ ~& Q0 U6 k( v5 B, e
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{
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. {5 C+ E) f. m" c+ b4 M rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
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! Q9 H, ~- o, Z6 K& r Q if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;7 Q% j7 _. r# H
; L0 A/ T1 x/ v8 D- h }
( W; V- Y4 B; B) @" a
! x3 h+ d* ^/ H9 ?+ z$ b& d' s }
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$ _3 e( a9 D, U7 ` return rc; 1 X7 W! I6 v a
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} . K z7 m8 m/ t5 D* [5 _
" _6 [6 e( r* H+ A% H& M; g1 }7 I
----->刷新模型根节点1 @2 Z0 @0 U( f* X, X* H' C
3 i e3 E# d S6 uvoid XXXFunction::UpdateProductRoot()
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{3 \$ g, @' ]+ z+ }: d: l7 b
; o3 V1 H" r0 x% E4 M) U* B! y; _ //*******************************important**************************************
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$ x0 `- a/ X% @5 V9 l) R, n CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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CATFrmWindow * pWindow = pLayout->GetCurrentWindow();! ?$ b: _" L+ C5 Z/ t/ e( f
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CATFrmEditor * pEditor = pWindow->GetEditor();4 N' ]5 j. Z3 U
1 R( k8 t* _7 P9 h! c4 H CATDocument * pDoc = pEditor->GetDocument(); W! u! o, X# E- n$ k
' o4 Z: `+ a2 n; p4 b: q8 e5 W //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1 L3 h+ q6 r: R; G4 q8 H
1 {5 Y6 B3 o' p //首先,获取该当前活动文档的产品根节点
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- J* Q& L X& Q5 \: j' g; T CATIProduct *piRootProduct = NULL;
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CATIDocRoots* piDocRootsOnDoc = NULL;
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HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);6 I& D; n% @# q
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if (SUCCEEDED(rc))
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{
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// Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();* X4 L# d0 V5 S4 S
* f& ?+ W0 m" d I$ R3 l piDocRootsOnDoc -> Release();
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) l3 E' M0 X- }" j- T0 O6 v) p- M piDocRootsOnDoc = NULL;
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CATBaseUnknown *pBaseRootProduct = NULL; 0 v0 E- I3 Z9 Q; O- o3 H" e
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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delete pRootProducts;$ x/ W0 n# D5 b) M
2 w6 x7 s0 F j |2 e/ t pRootProducts = NULL;7 `9 q' d H2 y6 c8 L
% t: \; O" g6 J: o) Y0 _9 d if (NULL == pBaseRootProduct) return;) B3 @9 i; h) f( B
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return; O9 l% w) o6 ?" ~, i* r- Q2 n
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//对模型树进行刷新1 o- o: X8 C$ m& P' T9 Z
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新
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pPartRenew->Update();2 x! |+ J w3 u5 h; E
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else return;
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! `6 J1 F' E9 y0 r9 o //----------------------------------------------------------------
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" a3 F' P; Q' y7 V2 T! g //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。& }! A* Q/ k4 [& K* E
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CATIModelEvents_var spEvents = piRootProduct;# Q, w) l3 U) _8 f$ _: d/ b& g
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CATModify ModifyEvent(piRootProduct);
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5 c4 U% o9 }. |) b1 I) K7 v3 Q0 f spEvents -> Dispatch (ModifyEvent);
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+ M f! H7 @3 k0 ^2 z9 X% R //Update the graph view
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CATIRedrawEvent_var spRedraw = piRootProduct;
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spRedraw -> Redraw(); ! M8 M* B% N, |% |
4 W& Z% K x% A: _& h( n0 ]8 y. w piRootProduct -> Release();; K7 Q4 w0 Q# y" G8 O* d
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piRootProduct = NULL;# ]& }9 e* ?3 R
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