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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。
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" ^) \; p2 N! m) ^7 SCAA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
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调用接口 - Query Interface
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3 J( a+ A, x# h& d; k获取根容器 - retrieving the root container
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a9 q& t& q7 O4 n! a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 : p/ E5 Q0 T4 d- p% n" k
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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。7 c' p4 ]! B s8 `. e/ o) L
! T6 t, K* o/ s9 S/ U4 `7 h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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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)0 r ~/ e! w# b9 I. j6 J7 W1 D
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
3 j4 q5 z% z3 WNew:新建一个空文档3 D2 @! h. N! \; L7 _ e
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NewFrom:新建自% P5 b( {9 K1 N. b0 Q+ x
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新建文档代码:
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3 n' t) \, U% D* V4 _7 [& oCATDocument* pDoc = NULL;
$ I0 }+ R( F* A5 h6 |# n) @7 V5 \HRESULT rc = CATDocumentServices::New("Part",pDoc);
. a. Q) o4 J" Tif (NULL != pDoc)
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, @! M' T# K+ Q. t2 p; {; V cout << "New document created OK" << endl << flush;* ~% l6 Z6 L' q& k! C' {* D: Z
}
5 G# k8 i4 N+ _" E1 eelse
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cout << "ERROR in creating New document" << endl << flush;% Z1 O. L) Z# F3 `' l
return 2;
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6 R* k, B$ a* A$ X e6 m$ c2 文档加载(Load the document)
# J1 S. q' G. A' e文档加载即打开现有文档,主要方法包括
+ G) }$ I: d) p- }CATIIniInteractiveSession 中Open方法:打开文档并可视化显示0 L9 [" B+ T9 i6 t. Q) v
% Q V% @' p8 p' uCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行; _" n5 v: x# S6 K: T( x
7 b+ A+ d* ^) u* b$ vOpen方法:
3 B Z* k7 ~0 Q* mCATDocument *pInstrumentDoc = NULL;: S/ Q- D$ y/ A- o
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CATIIniInteractiveSession *piSession=NULL;1 _7 Y" e' u0 l
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CATSession *pSession = NULL;
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& e; x0 K2 c/ h. J0 |4 Crc = ::GetPtrSession(pSession);" J; h) G/ O/ t% P9 P9 z
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);( \7 I# B# Y: ]1 Y% ?
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CATIEditor *piEditor=NULL;$ ~" J0 z2 a, j6 B& j( D1 m0 m( s
5 F$ m$ N( _) c( z9 Xrc = piSession->Open(PathName,FALSE,&piEditor);7 u6 |5 N7 {( {4 y) I5 g
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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- c7 A; e; u$ ]& z3 E, t7 _pInstrumentDoc = pFrmEditor->GetDocument();
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OpenDcument方法:( l) L. p# t2 ~7 n3 j |
3 d9 |+ Z) H' B) fCATDocument *pDoc = NULL;
& N8 ^ a1 I' g1 VCATUnicodeString 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))( y/ l- l$ p, j' l" C% l
{
( c7 G- E. x7 m' L0 s) x cout << "Document opened OK" << endl << flush;
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else
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cout << "ERROR in opening an existing document" << endl << flush;* `' y" F7 D- R. j$ U# E9 ]4 g
return 2;
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3 获取当前文档
* Z6 R% P9 c+ l3 ~3 P8 A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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8 ~2 v; I+ z0 o6 k2 [3 \CATFrmEditor * pEditor = GetEditor();- b: n$ j4 F& k
if (NULL != pEditor )- ?6 G7 j' n/ t2 k/ z! g$ M
{
/ N+ D5 d% p z/ _+ `: ]/ d/ h cout << "Editor got OK" << endl << flush;% O$ T0 N1 l1 e/ r: g
}
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cout << "ERROR in getting the current editor" << endl << flush;/ V! S; N0 E: G
return 1;' r D& ?. E, T$ A j9 L
}
5 b7 t7 p9 n8 U0 \- sCATDocument *pDoc = pEditor->GetDocument();
% {& ^" I6 z- ]- x1 A. ]if (NULL != pDoc)
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3 D% c6 a+ @ S cout << "Document opened OK" << endl << flush;
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{
& j9 r" }$ T( \; O! v) ?- j5 f cout << "ERROR in opening an existing document" << endl << flush;( N6 v; a+ a% B" |
return 2;# Q% S/ u9 Q8 J' y" Z- U
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。9 h0 S) e. r# U$ h1 A
4 保存文档(Save the Document)
3 L, H3 ^1 ?, w! D7 y1 h+ l# u. h4.1 另存:即保存为新模型
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, z. [* [! ]) @0 lCATUnicodeString savePath = "XXXX"; //文档保存路径( g% q9 K0 L: E! u9 c
rc = CATDocumentServices::SaveAs (*pDoc, savePath );
, @% X6 O8 V! I0 ~if (SUCCEEDED(rc))
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1 S+ p( u& Z5 }" i% e2 s; N cout << "Document saved OK" << endl << flush;
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else2 R! o6 {4 ]8 U7 ~! E
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cout << "ERROR in saving document" << endl << flush;8 D# X: k" ^) r' F9 K, s
return 5;# g4 s( }1 _" L& |% a
}
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4.2 保存:不更新保存路径
2 n; ?1 w% ^/ r, N5 @4 V9 u8 s2 Urc = CATDocumentServices::Save (*pDoc);- A5 M3 s; p/ U
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if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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G# z. H N7 H. y) E* R( s5 E$ J/ i. [else
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- j( A( {( r$ ? cout << "ERROR in saving document" << endl << flush;# p" {8 Q6 I; ]
return 3;
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+ u$ o+ X, M% o; @, M. @2 r$ T: s5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
+ t; _* X6 S/ t. j+ E4 j. iif (SUCCEEDED(rc))& z2 f+ V4 T: i
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cout << "Document removed OK" << endl << flush;1 I6 |! h/ O: D! p# c$ h( u
}
) r% ]/ [7 ~" G, Welse
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7 [( N; j! h( ]8 @ cout << "ERROR in removing document" << endl << flush;
2 S# T5 A$ \9 N+ h return 6;
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3 [0 C T" |4 l方法封装
+ ?. `* E: {- N9 o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
$ [, A5 D9 @$ J( W9 ?输入:/ l Q# ^* k/ W5 m# f, o& U
CATUnicodeString PathName //文档(模型)的路径; [) k+ r- P2 s' K9 V/ `1 `
输出:
3 D3 o( @: ?% q' Q* p% @6 j& }6 _* bCATIProduct ** opiSonProd //文档(模型)的指针
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辅助功能函数:% L3 O) ~% j7 g6 E: i t4 x7 Y
获取当前模型树根节点$ z" q& N& w$ c0 `
模型加载后可视化$ F- G8 {% ^, Z' P. V
刷新根节点
3 [/ m) p2 p; v----->打开文件
' H8 i/ m8 [& B( u/ {; vCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)+ M7 q+ @7 p# H, g% n# t6 I
{
1 j! |1 I+ {) S, ^/ Y5 f+ WHRESULT rc=E_FAIL;
0 _; h U9 W2 e" \2 ZCATBaseUnknown * pRootProduct = NULL;% a" [9 C. i/ X( E4 v( V
CATIProduct *piRootProduct = NULL;
9 }* S$ [2 j7 t. R: X. hrc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点
8 O" D1 z" D" a# lif (SUCCEEDED(rc))' [( }/ |8 q& s: A! ~; P6 ^1 ^
{
/ B1 F' Q3 O9 ~, m* z) S+ { rrc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
9 J- Q+ ?9 r, e5 J/ }& d. {3 Fif (SUCCEEDED(rc)&&NULL!= piRootProduct)0 d5 \4 J" _% K
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CATDocument *pInstrumentDoc = NULL;
% u* ]3 {# k7 S0 L) v( H: [+ [CATIIniInteractiveSession *piSession=NULL;
2 U, [" d {; N3 OCATSession *pSession = NULL;
- v6 X5 e# l9 F' }- Orc = ::GetPtrSession(pSession);- D* _3 }8 v5 u6 q9 d
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
+ y: X$ A- A8 eCATIEditor *piEditor=NULL;
6 L+ s5 }: z- K. z7 orc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;' g* J$ T( I' n$ P4 S" f9 g
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )& |% l: g1 o# h
{ cout <<"The document" <<PathName<< " is opened" << endl ; }
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{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }3 J! u7 [$ V. w
CATIProduct *piInstanceProd=NULL;/ B8 c; }: p+ R, z# a
rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
6 w+ O( Z8 Q' v( }: V8 K7 Jif ( FAILED(rc) ) return FALSE;
1 V) p0 d$ M7 Y5 s. V- ?! O0 k// rc = piSession->Close(piEditor);
3 Q! ^' R9 V0 _0 I; O% M* opiSonProd=piInstanceProd;
: S8 J8 ^2 q& T0 QXXXFunction::UpdateProductRoot(); //更新根节点9 X* u. J; s( J1 [
}
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0 }& k8 |" h; r' j$ _return TRUE;# ~4 a" P: H [" R9 c8 F! v
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----->加载模型可视化
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H) ~- Q+ w3 i5 @# }5 ^# eHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)8 e) n# Y9 ^' ^& G8 F
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP); 6 |- m8 _: O" [$ K6 r# T
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//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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//将要**的part document,CATDocument类型: ~8 \7 s7 h8 t- m# R. j
6 j/ j- U/ |0 n- l) M" v; W //the product instance of the imported document
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//注意要**的document也要检索它的root product
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% K* W3 c5 r3 s2 U+ n cout<<"添加组件执行"<<endl;- t# c, v3 ^& y3 N1 x
, @ V2 H8 B' N# U4 X3 H9 q HRESULT rc = E_FAIL;0 ]8 \( N! S3 k+ m$ `) f+ X
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if (! ipiFatherProd) return E_FAIL;
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, s$ T2 [: M) y if (! opiSonProd) return E_FAIL; : |5 K5 z) a% w( z1 d
; c( ^+ I( [# r, A+ P( y if ( NULL != iDocument)
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// Get RootProduct of the document to import.9 a1 X/ y" |2 t8 P0 Q
* C5 I1 s# j& |) f8 Z! p) C1 N! b CATIDocRoots *piDocRootsOnDoc = NULL;
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rc = iDocument->QueryInterface(IID_CATIDocRoots,: T, h& g; C5 v; g9 v2 P7 k4 J l
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(void**) &piDocRootsOnDoc);( T0 c' m V) G1 V$ K7 x1 D
9 L' X @: E+ L- g) a if ( FAILED(rc) ) return rc;5 |: t/ A' i1 |7 x' @1 Z
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CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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$ g. D9 `, l |) I6 N7 i CATIProduct_var spRootProduct = NULL_var;! m/ A3 l1 }) o y b2 c
9 l! } s7 r- R if (NULL != pRootProducts)3 ~# U: M, M; c# a
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if (pRootProducts->Size())
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$ _$ }( X" o8 { spRootProduct = (*pRootProducts)[1];
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! j5 j1 Z+ |! {* [; O delete pRootProducts;
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pRootProducts = NULL;6 ~0 O5 L9 L' Q) i- _
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- E' h# |8 F" A {- ? G piDocRootsOnDoc->Release();" c1 ]. C$ S" Q2 T) T+ i8 A" H4 D
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piDocRootsOnDoc=NULL;
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CATIProduct_var spProduct = NULL_var;9 b: q- f) ]; E0 H6 Z2 |
- @' G' T" y; [/ \" w4 i if (NULL_var != spRootProduct)
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{; J: P% b0 C; K2 d' w
1 r/ r, l0 I* ?! |8 E$ L spProduct = ipiFatherProd->AddProduct(spRootProduct);
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s D/ y; k- p+ n& \/ J2 e) G cout<<"NULL_var != spRootProduct"<<endl;1 G+ g! g. p7 i
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}
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0 d1 S F& r$ q0 X else
4 {9 Z: y! e3 j
: T1 m2 P! @# e a0 q3 q {' w( a) v; r; h- Q P* e
& F; U) R a5 u CATUnicodeString docName = iDocument-> StorageName();3 A6 \: L# L$ @3 e) A; m* ^
1 C/ \- w" ]' T1 B6 h ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);4 I- p% Y5 ]% o t/ Y
/ C- f0 Y' D" r# @ K9 K }
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: t! {9 m, v# N* u9 G6 t ~ if (NULL_var != spProduct)* f! Z& r& |1 K8 M
' j3 d: z: ` ]
{
$ @% Y) f" P; F4 @0 t9 B7 u3 c" G. ]
9 F6 z+ g" E0 X- ?" p rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
% c0 W+ u" t* y" v: q9 A! [7 h0 j4 |3 j
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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} ~2 d- Q9 x+ A1 t
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} $ Q3 o: y* m+ r1 w, a% i4 p
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return rc;
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} : @0 W, J }, ^* ^$ l7 k1 L0 H
3 E$ U3 i' O& B( T----->刷新模型根节点/ T% ~$ w2 U0 m- b- O8 Y
* `* V z; e1 G G' _void XXXFunction::UpdateProductRoot()8 a* }/ C7 Y! i9 v, `+ z
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{
. z4 V5 y( n% i+ M% o
* x6 h- g2 y- w; ~* \, K //*******************************important**************************************
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CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();0 ^* y& G4 s( }' B2 T* i
+ ? B) }# M. {8 Q# S CATFrmWindow * pWindow = pLayout->GetCurrentWindow();7 p1 o" U" \' t0 }' Z, u3 p
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CATFrmEditor * pEditor = pWindow->GetEditor();2 @6 z: ~( P4 o
3 u, b) T p) [, j; A CATDocument * pDoc = pEditor->GetDocument(); 5 R1 f1 j8 j3 U$ |3 T3 I
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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/ x- T& y8 o/ E5 H& V) I3 O" }
1 G6 ?% r8 y7 C1 x: H //首先,获取该当前活动文档的产品根节点 0 B( F( }9 Q' Q4 a# O3 i
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CATIProduct *piRootProduct = NULL; 9 [6 L4 P% e; H3 r8 t d
9 C% k, r6 X# U% ^2 C CATIDocRoots* piDocRootsOnDoc = NULL;, O. U0 t2 z$ O& S$ K @7 o# s
) X: p: l$ J" j4 [7 o9 H HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))
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// Retrieve the root product which is the first element of root elements
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7 T, M9 K# E" P! N; X; R; S CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();5 N: u3 z' N. U/ J5 @$ L0 P
$ E- ~4 C$ U# |: T& M+ n piDocRootsOnDoc -> Release();$ Y- H) t) Q" u9 `
' M, H+ m5 q& v5 i7 } y piDocRootsOnDoc = NULL;
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- b, x6 A% S' b6 r' R4 [ CATBaseUnknown *pBaseRootProduct = NULL; . H6 x# J6 `2 b
. W5 s- r5 P" _, R% c# [ if (pRootProducts && pRootProducts->Size()): a, g6 u2 b( h) U- ]2 ?" S
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/ X4 N' Z, y! r: W* a& I pBaseRootProduct = (*pRootProducts)[1];
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+ a8 `* S/ O' H" b delete pRootProducts;
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pRootProducts = NULL;; E9 m. @) U. h9 n+ S
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if (NULL == pBaseRootProduct) return;
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: w" p6 Z; G3 ]6 L$ t E7 n rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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if (FAILED(rc)) return;& j+ O% g# k- r
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//对模型树进行刷新, n9 y: I/ s/ o0 I+ K8 _; R5 b
0 _! I4 M. q0 i* @- t 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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# t+ Q! s; T' z1 J0 y7 l$ l D else return; 1 Z; N9 I6 O* |0 w ~' H. S
" a& }+ ~, ]) g( I4 z! _/ z4 ^$ I- ^6 }2 r //----------------------------------------------------------------' `0 u: D& J/ L F. H
) U. q! n2 G, B. t# x( i //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。
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5 O/ Y3 J+ s) \* b CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct); E& V3 l0 w$ i
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spEvents -> Dispatch (ModifyEvent);8 Y; n% i% ]( W$ d3 k: o$ c
7 {- o7 l9 B7 c( U4 x! A$ y$ p, Q& G //Update the graph view5 F* H6 B9 _5 {% H! L" [
# W5 J0 y, W- p) B( v* V CATIRedrawEvent_var spRedraw = piRootProduct;" r, A+ D' y' B( M; p
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spRedraw -> Redraw();
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piRootProduct -> Release();( G$ K- h( s! Q5 |+ P
/ H( X( T- {: M' i3 u3 O/ m0 G3 k piRootProduct = NULL;
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}
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