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CAA开发之文档操作* T% x2 S0 P% z; g# T0 z
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- ?3 A8 B0 o7 y3 c: o! k t- sCAA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:
3 b& z+ L; [& l' K: S/ \6 R% ]9 N7 i
创建会话 - creating the session9 @4 z: k* S! K: I1 R- x9 ^' c
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新建文档 - creating a new document
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$ s7 x; A$ p; w' U+ I4 @6 u6 \: L调用接口 - Query Interface2 A& K) [1 `& d# c
8 b* D, a$ ^8 H* G0 b, ~6 f获取根容器 - retrieving the root container
, Z8 x; M G! Q0 }8 Y5 |8 j! i1 @1 \0 a# y& Y9 H+ d o( C
保存文档 - saving the document* n6 |3 b" A. F, I0 x* {4 a
" o" c! i& E) W/ N {删除文档 - removing the document
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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。$ F9 u1 P: v& F& B) \, l4 _, m' L
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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。
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下文将对各步骤进行补充说明。
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! _, J( i; I( a1 文档创建(Create the new document)) c2 f- D8 x2 e" ? N' M; K' }
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
4 C% v8 I) Z' v5 L9 jNew:新建一个空文档
1 C6 d9 }# K {! q3 ?
|) J1 s+ M# N7 @( xNewFrom:新建自
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$ e/ y! `& k x6 _) S/ A新建文档代码:
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; G& t( I) @ A% JCATDocument* pDoc = NULL;6 n( d, r+ G y
HRESULT rc = CATDocumentServices::New("Part",pDoc);
! u( p) F4 `4 u7 X0 r5 |6 |if (NULL != pDoc)
) u i7 p2 X5 k- ^% L1 y9 O O ?4 Z{
6 W' g |% Y; O; Q1 H! n9 ^% O cout << "New document created OK" << endl << flush;
. Y# N$ }& }* z8 @! A}
8 ^- P' T9 L& P% l* M9 l" i; Z+ q. Oelse
2 n) `$ b) u+ V7 `' { J" g{7 a3 g7 u# |/ o. z* y A$ O9 U) x
cout << "ERROR in creating New document" << endl << flush;
+ t4 A! }9 k- k return 2;
) j7 R* x& l' n8 K& E}
: y. I9 w8 c0 f. k2 {- h3 O& k4 l; v; v
2 文档加载(Load the document)
5 W' w+ a# `% O9 {1 f' s* G8 t& Z文档加载即打开现有文档,主要方法包括8 x) c; f6 ~ [% Z. b
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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+ ]& F" R% @9 ?# U* x+ kCATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行$ N% f% K8 h- x
. M5 {; g4 E& f' ]$ P* E2 wOpen方法:
, f* U# t1 @- _8 @+ D+ _: } G* v; _CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;
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7 y1 k4 U3 ?, M% ECATSession *pSession = NULL;
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rc = ::GetPtrSession(pSession);0 v% B- j& c6 H1 S0 j4 X3 E* [
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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CATIEditor *piEditor=NULL;7 q1 h7 m' }$ k. J7 }% O7 ]5 Y
9 g- l& q% R* d( y' src = piSession->Open(PathName,FALSE,&piEditor);
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. v/ Y( z# u, d( ?CATFrmEditor * pFrmEditor = piEditor->GetEditor();
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pInstrumentDoc = pFrmEditor->GetDocument(); 3 G0 D7 B$ V; Y8 |) I
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......1 g, v$ ~8 [, s; [( W3 i
* U4 j; m; ~' |' O d& X# D. u- k+ ZOpenDcument方法:
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; z1 W4 b+ u" {$ O8 ^ L0 O% DCATDocument *pDoc = NULL;+ P( Z; D- F6 \
CATUnicodeString storageName = "XXXX"; //文档保存路径名' O7 k; `( V- I) V, T; a
D, D$ \ z+ Zrc = CATDocumentServices::OpenDocument (storageName , pDoc);' ?8 a& V3 w" u% N- a6 x
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if (SUCCEEDED(rc) && (NULL != pDoc))' h% \9 I. C( ?3 O) \3 X
{
/ y3 i4 x( N/ X9 f6 O5 t cout << "Document opened OK" << endl << flush;# D8 G1 ]" e+ h; s9 n F+ k u5 }
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else: ^4 v! g) G- A1 H: |# Z* {
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cout << "ERROR in opening an existing document" << endl << flush;
9 A. H5 A+ R1 _) n return 2;% D; u, f5 {; t; A) R
}
0 G2 d+ m# d' T6 S6 D( R: U# D3 获取当前文档5 a5 }. b- P1 c/ [5 B* e7 L
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();' U* f; A8 u4 ~# j/ o; k' h( X
if (NULL != pEditor )
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cout << "Editor got OK" << endl << flush;. x; R0 g k# v9 D0 a
}
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{
! i5 V( y: E3 q0 \ cout << "ERROR in getting the current editor" << endl << flush;
5 c n, C( U& }$ R return 1;6 _1 l5 p6 Z5 z) X* m
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CATDocument *pDoc = pEditor->GetDocument();8 M1 d9 P: O+ A
if (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;, d: Z9 y7 ^8 Z0 d0 [: h
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else
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cout << "ERROR in opening an existing document" << endl << flush;
/ @) H5 h) _( s return 2;' X3 A! a9 `9 y# i9 `5 P
}
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2 P' n5 @ ?: D 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。
) e8 E+ ^' O" E3 m4 p4 保存文档(Save the Document)2 t2 X4 y( u6 Y T% g+ h
4.1 另存:即保存为新模型2 B! q0 [4 n- P- T, W' A
( |9 r+ N K3 ^( h% d, ~& E. ?% KCATUnicodeString savePath = "XXXX"; //文档保存路径1 i/ e' R6 h: `7 s5 i5 Z4 {* w
rc = CATDocumentServices::SaveAs (*pDoc, savePath ); Z% w: I r4 B+ i8 l
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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# Z; y5 M: v6 W: S' yelse) }5 i1 [6 s) {
{
) g9 G2 W, |( J# b cout << "ERROR in saving document" << endl << flush;
# k$ n6 O' h6 x" n return 5;$ `& D, Y9 ?! {5 n! S, E
}" P6 ^& f* h, l
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4.2 保存:不更新保存路径
9 E; k3 \7 K1 P+ O% p1 prc = CATDocumentServices::Save (*pDoc);
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: x( n8 L& p' Y Tif (SUCCEEDED(rc))+ N& F4 ]3 d% F$ `( X
{
7 U& R# E* e: b. W$ q& K; F' g2 q cout << "Document saved OK" << endl << flush;
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' O* n1 L; Z' qelse
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cout << "ERROR in saving document" << endl << flush;# Q; r. d, m) v. i
return 3;
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5 删除(Remove the document)' W! U8 Q* b5 l7 d* {
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rc = CATDocumentServices::Remove (*pDoc);
* D, Q* t, ]3 y9 F: ^6 o) bif (SUCCEEDED(rc))' I; j/ o. k @
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cout << "Document removed OK" << endl << flush;
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{3 e; v( K' I6 n" l- r
cout << "ERROR in removing document" << endl << flush;
5 I" u* n4 P5 V$ C7 ~! U return 6;
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方法封装
: Q2 Q$ p3 ~" ~2 T; Y8 R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) S% W8 E& Y3 L. e8 U* g7 R
输入:
( S- B b$ y$ }5 N, L$ \CATUnicodeString PathName //文档(模型)的路径
! Q5 u! \9 Z, k" f& C7 G输出:
$ e1 O$ a3 m3 J& Y; Y5 m8 M) ]CATIProduct ** opiSonProd //文档(模型)的指针! I u2 m1 T/ [
. Z& r( I! e% Y" R辅助功能函数:
c# y0 p. x S/ [4 \6 d, i2 W4 X获取当前模型树根节点
. K. l* n. b" v1 ]模型加载后可视化5 N5 c9 I- O+ a( G6 `8 z. ^. ]
刷新根节点* l. s$ {* i+ V% \
----->打开文件
7 K( X8 R0 R. m, eCATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)5 F" I: m) k2 B" q. J: b
{
# s. B. U5 S# e; K# PHRESULT rc=E_FAIL;
) I6 k1 m q/ f+ {* t8 X; DCATBaseUnknown * pRootProduct = NULL;
4 x8 j4 r; u( K; f6 W0 b X) BCATIProduct *piRootProduct = NULL;
, w5 ~ c# R; Q# O( `9 Src = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点3 j+ [1 Y1 Z( k4 ]; K
if (SUCCEEDED(rc))) r) C0 e: s! r1 \
{
7 A/ u: i$ G# irc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
; `" K5 d; M" ~! P1 `, }6 fif (SUCCEEDED(rc)&&NULL!= piRootProduct)2 ^3 O, @- d% U) M) h
{
* e" P; n5 |- O8 t. o! f, m, E& LCATDocument *pInstrumentDoc = NULL;) W0 \# K! g4 [( [' r. M" f0 Y
CATIIniInteractiveSession *piSession=NULL;
: M) V9 D: B+ z7 L" vCATSession *pSession = NULL;
$ C. Z1 W, [7 [rc = ::GetPtrSession(pSession);
6 [# H# e; a2 v) O0 irc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
/ V: Q) h/ X: P; l" S2 i- eCATIEditor *piEditor=NULL;
" ?4 ?2 h- O) @/ R. _* Mrc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
9 f- s, k/ }2 Eif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) ); ~" u& V" d2 l" G- `0 G: ?3 M
{ cout <<"The document" <<PathName<< " is opened" << endl ; } j5 w2 @6 O- ]4 a% V
else8 q. U& i3 N J( j
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }9 g+ X% U8 @: \, M$ T7 j5 c
CATIProduct *piInstanceProd=NULL;
) i: R* @* ]. u( h7 \6 Grc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下 0 Z$ {1 e/ {0 z _( ]
if ( FAILED(rc) ) return FALSE;% e$ ^& I& Y8 V; @7 g9 k, _6 R7 R6 e6 }" X
// rc = piSession->Close(piEditor);
" `& m1 o. m1 G' C, G# e3 F* opiSonProd=piInstanceProd;
6 B9 ~6 y4 ]: o, \& GXXXFunction::UpdateProductRoot(); //更新根节点
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}5 s" _8 Y+ K; z
return TRUE; t8 S1 r/ b( [$ {3 f& F
}( i4 V: p" o6 g, Z, g) q0 s
----->加载模型可视化
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1 N) w d) f: aHRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)! Y/ @' s/ ]3 D5 Z4 R/ T
9 ~, t/ Q7 ?2 x
{) C8 k4 R2 _0 Q0 a: v
, h; D5 u; ` e( t+ X //AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
' d9 K7 z& e( G6 ~
& K2 @# V# s V: P //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3 b6 S4 y& g: ?* H
5 s* W8 |* F _* [; _- y. X& v/ O
//将要**的part document,CATDocument类型0 y8 h5 [: G8 ^' k( q% |: X& k
) k0 H! [: E* \: f4 I5 b' C //the product instance of the imported document
) n9 W4 Z/ E7 Y4 e4 v1 v* V9 M0 E3 p$ w& k7 w) A$ X1 k' O9 n
//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;
/ D5 B$ n8 R0 H
8 }2 |' A1 V1 C' i# w) [/ Z HRESULT rc = E_FAIL;" D( p" k n: `) H+ W9 Y$ ?, \
, }% j1 e" {$ H) [- A, j7 ` if (! ipiFatherProd) return E_FAIL; , q: v! t9 [! K
- Z0 f% n' Q5 K- A) X
if (! opiSonProd) return E_FAIL;
2 Z& U d6 M7 o. p& G& c$ y- D* V
5 u4 [& u: ~4 y1 B4 K- q2 B# x if ( NULL != iDocument)
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// Get RootProduct of the document to import.
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* F% {# ?% T. E CATIDocRoots *piDocRootsOnDoc = NULL;' i) |" N3 g j# a9 y. X
3 _' B" x W1 k; ]4 _) W
rc = iDocument->QueryInterface(IID_CATIDocRoots,! Y# `, G& g# P2 {* y
* W# x& f- m2 Z, a' j; j: W: M: _$ s
(void**) &piDocRootsOnDoc);% L7 ?* R' m3 Q5 }
9 z" A; v8 M) }$ o+ F
if ( FAILED(rc) ) return rc;
5 K% [+ R% B% N) ~; f; w8 O' B& W0 d7 Z0 k3 w5 V
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();( Y* G6 s L! _3 u
9 e0 T$ f P7 _
CATIProduct_var spRootProduct = NULL_var; `2 {& X( y% L( E. @
S0 C" U; K& O& P; N3 c
if (NULL != pRootProducts)8 y8 Z; i! G% ~" T% Y$ a" t
$ K4 J/ B& S4 [4 Z$ X
{
! _+ n, c/ w! d: i; C8 C+ p( D7 S' [! _, z
if (pRootProducts->Size())
$ Z) U1 J7 b l( W$ [- E( s; M) z5 B7 {# u
{
+ [9 k* p: ^7 u9 ^8 Y- g; h$ Q. Q3 {, T+ n! j; k
spRootProduct = (*pRootProducts)[1];- ^0 O+ F0 N8 X0 f3 U
; g, }) _# K: s
delete pRootProducts;
# ^5 _* X" n5 M
3 f! q4 X2 i; _7 r, Q. q pRootProducts = NULL;. v0 o5 u; R2 N% d1 O2 }
5 x& V( h+ P" g* L1 ~) E }- U0 U( [( c3 U" P# X, D
" y: _; T- E5 q M3 g
piDocRootsOnDoc->Release();
& p/ n T" G; o+ [3 S% p
/ c" H+ F) I1 g, x0 e piDocRootsOnDoc=NULL;
7 t( h/ j# }$ }. I. @0 [# w$ v
+ l, P2 j1 K: n/ g; u* w% n4 A CATIProduct_var spProduct = NULL_var;
, }- T# \% ~! `, J# P4 v9 \2 R3 `% d3 l0 F
if (NULL_var != spRootProduct)
# s: ~9 e+ F- d$ Y% b- j& i9 O% ]$ Y2 `& \5 c9 c3 A
{' W2 J$ d6 s2 T
% q( j! M0 k+ r: \. ~# q8 t, S
spProduct = ipiFatherProd->AddProduct(spRootProduct);
+ \, V% Q9 K0 N; O+ Z, X( \! C. ^; n8 R, |( [
cout<<"NULL_var != spRootProduct"<<endl;# g3 U h+ x7 I. ]
( L# Q- M2 F3 n$ d }
8 r" M3 L0 D0 I& d3 D# ^9 r: L- ^! n$ f- r
else
: l! M! V6 f a0 D# R$ O" U' U3 g; G* N6 E$ M* p K
{
2 C# F, o; R( Q; Q! O2 t7 a" ]
! b& G) C/ s$ S+ j- Q* B CATUnicodeString docName = iDocument-> StorageName();7 { u/ d/ M- X% R6 P& n6 L% I8 o
& s( ]' t0 M8 R' H/ b q, C ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
1 z4 H) y2 ]) o9 {# D/ l ^% r; S3 w- k
}
, }) J: n+ i9 t* {3 I5 Z
" N/ M/ |4 I- `3 R2 i1 ?2 D if (NULL_var != spProduct)
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{3 c7 B L! s) P. ]; |' W. R
2 g$ U: p: |( A2 W9 g: N rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
+ ?! f! ]" U4 U! t1 {& q, K% A$ K" \' ]0 T
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;$ A% O# d# c$ O! s( J4 R! h' p2 Y6 c
1 |2 g! E: n& Z8 @; R
}5 W' j+ s: {# B1 {* u
+ S( t& M. @" q0 W8 Y0 } }
8 a3 H: D. [" @% H1 b$ K O( n( q3 d4 C6 Z; G# [6 I
}
: U( u L, `4 ~; K. Z: i6 E+ w2 R+ E4 k3 J' S" ]7 b# x
return rc;
% `4 ?- `0 m* E# l2 _
# O u$ @$ ]3 o% ` L, n! [} 0 @: k. z6 u7 w/ f% p: @- r
+ X9 R6 C. L& `5 O$ J( ]
----->刷新模型根节点1 J5 d( R j# i+ d+ S; C" c% i9 s
) c/ t& J. ~0 C9 b5 O# D4 x
void XXXFunction::UpdateProductRoot()" ?, }$ k) ^4 a( |9 ~
7 y5 Q. [% T1 U{/ F+ |1 R- h1 r8 g _' Z8 ?
5 @4 n+ W B, ^& M
//*******************************important**************************************5 ]1 q& ]9 |! K! s+ a6 f4 `' L
8 w( e* @+ D3 t" v CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();1 h4 B+ ]; x% t( r' f6 g
. \- M- `. E7 r* e8 K: h1 x" v CATFrmWindow * pWindow = pLayout->GetCurrentWindow();0 \" Q% y& b; \5 M7 A
& u' l: u0 c3 |, L( q' `
CATFrmEditor * pEditor = pWindow->GetEditor();
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/ Y+ m0 B) H2 X$ z2 L CATDocument * pDoc = pEditor->GetDocument(); 4 b* s: @! {/ p2 z' M0 o
# ^/ w3 b4 R9 w3 R( 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, a6 c0 k- @4 ]- h. H
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//首先,获取该当前活动文档的产品根节点
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CATIProduct *piRootProduct = NULL;
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: X6 x ?6 d5 F! ^- V. Y0 l CATIDocRoots* piDocRootsOnDoc = NULL;' Q5 e# n7 i+ `0 M8 T: x
; r# e' R( C3 n/ C! k l) D HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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9 G& b) V) [ F- B0 k/ h/ f1 V if (SUCCEEDED(rc))' ~* ~0 N7 l7 L) ]) i
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1 v, j* I; J1 n) w f1 w // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();
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! Q- a" f. S# G) B8 H( |/ Y5 y piDocRootsOnDoc -> Release();& T0 ~6 T% Z, T- k9 z: K
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piDocRootsOnDoc = NULL;
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/ c! v+ y( u7 M6 h k CATBaseUnknown *pBaseRootProduct = NULL;
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1 S5 T4 E4 T3 z2 p/ h# K if (pRootProducts && pRootProducts->Size()); p# L3 m# a. u7 v' @3 V
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{
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pBaseRootProduct = (*pRootProducts)[1];
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! ?7 B9 I/ u- |- b9 ~$ X1 n delete pRootProducts;2 k1 e" J: l9 K
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pRootProducts = NULL;
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& j; e T# k" W/ {4 a' V# I if (NULL == pBaseRootProduct) return;
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rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);7 {1 H7 {$ E% J/ P! U
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if (FAILED(rc)) return;& R) Q: b: ]' H
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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( N: `- e6 |% {7 k6 {" H
4 h$ @+ R. C- D% \9 W! q pPartRenew->Update();! G! \3 w, H' F
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else return;
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//----------------------------------------------------------------
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$ ^9 T& L) B- H+ L9 [$ v //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。3 T; b" m+ t$ }' S- f
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CATIModelEvents_var spEvents = piRootProduct;
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CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent);1 B% D1 p8 T; X D7 o9 x2 b# }
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//Update the graph view
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8 P p; N' j# k4 t! r CATIRedrawEvent_var spRedraw = piRootProduct;1 O$ K) a6 [ J
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spRedraw -> Redraw(); + o& m/ X7 n2 I+ a/ k# ?% ~- U
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piRootProduct -> Release();
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4 k; V$ R) h( B piRootProduct = NULL;
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