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CAA开发之文档操作2 v$ j, x" v* ?$ F8 X$ `% R
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. T# i* N- l& x- b& ^4 |. \& GCAA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:( w* F& ?9 E, q' x, X K0 m1 p
3 Q& T9 \; f6 k, w& ]
创建会话 - creating the session
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新建文档 - creating a new document
8 X) Q9 V* ?% p# F6 b; y) D( q
) C( e0 A- y+ ] P2 V% K9 O调用接口 - Query Interface( d- |) H7 @ J- a- e' `
+ }& O, b% F7 W# A! N. i' _获取根容器 - retrieving the root container# K) d: }. n# \! Z k
' ~4 a/ b! n5 s! A, L/ b保存文档 - saving the document2 T6 P( k2 h- h( O6 Z/ P. H6 x% A; r
8 `; \2 q; F8 U* y5 r
删除文档 - removing the document" Z9 S) L" u# n
4 h6 P Y: c- m删除会话 - deleting the session
- U9 i4 h3 {! r) R
& h6 X5 L! f8 v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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" |; K: X3 |: l' V5 K& 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。7 q7 p2 _/ Y, g
8 ]- k1 W k0 T! V6 K" G2 N# C! w下文将对各步骤进行补充说明。
0 ]8 k6 T8 |# g7 {; |2 C
5 K! f3 ]$ b' k" n; {; H/ f; {1 文档创建(Create the new document)( z1 D$ p9 \# V$ z0 z% R" 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1 M4 y: l9 h5 H
New:新建一个空文档5 U+ r" Y+ j6 m& ^7 r: Y; }
4 v6 ?& u V; h0 h: s$ O! T0 k2 e
NewFrom:新建自
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, `% t1 @3 E5 Y! @+ Z4 g; |新建文档代码:6 q) V$ W; Y. W) |
! C1 T O# ^+ s) f
CATDocument* pDoc = NULL;
5 `* ~8 r5 l: Y( `( ]HRESULT rc = CATDocumentServices::New("Part",pDoc);
8 |- j/ }+ P/ y7 \3 {if (NULL != pDoc), q, }, u& k/ ]0 D4 Y& m/ M! @0 E
{
- o( X$ O$ J5 e4 L0 B0 S cout << "New document created OK" << endl << flush;* g" y8 g7 H" a) j# P
}
' K' T0 W$ ^/ \& g$ lelse
' s- R/ B: A! ]; Q7 `' G{
8 h: Q( E- r* u- p cout << "ERROR in creating New document" << endl << flush;3 b7 ~/ G. p8 b: X3 J6 }, t
return 2;7 @* k- C2 `" o2 F- |
}9 U; W+ t9 [) G7 U' Q! o
7 G R5 y3 M8 g2 h) m6 I/ X# o0 a
2 文档加载(Load the document): m7 {2 z% c6 V7 |* U5 l
文档加载即打开现有文档,主要方法包括
; D0 ^9 f Z+ ACATIIniInteractiveSession 中Open方法:打开文档并可视化显示2 X) \# u; L8 A: a2 |' E' `$ A
, [. C5 i' C& i
CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行; x: g% H. `4 z- n- O7 ]
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Open方法:3 G0 x0 E6 Q* X3 o
CATDocument *pInstrumentDoc = NULL;4 H% J; P3 C$ \) B" W6 L
; r& p' z- e9 l8 i2 p* dCATIIniInteractiveSession *piSession=NULL;" c1 N- o. q: R2 u3 U* q. a
2 B! ~/ w, z/ a1 x4 p, ~
CATSession *pSession = NULL;( n' Y# M3 C3 Y5 N, m3 U8 A
# Z O9 w o. o* G9 \7 Brc = ::GetPtrSession(pSession);# K% O3 b) l( u+ J3 N4 W2 R7 u
- g. M* m H0 xrc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
( x9 f l/ u# L0 T
0 L& O4 H! V/ ]9 l. rCATIEditor *piEditor=NULL;
! k8 O6 X# W. K5 d" I
$ T! I9 X( v5 t3 Y# s( Irc = piSession->Open(PathName,FALSE,&piEditor);- |$ ~+ q! x. w: y4 v# P; I
+ B2 v' }& u7 d- U" V7 Q/ e
CATFrmEditor * pFrmEditor = piEditor->GetEditor();1 Z" H: r6 B- F& }
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pInstrumentDoc = pFrmEditor->GetDocument(); 3 N" s6 H$ r- t( H4 v- F s% t
, t X& `: q( d" v) h% s8 S ......2 V( E- y4 H+ x# e; U+ i9 M# ~! W
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OpenDcument方法:1 ^' [1 `* O, [; G" w$ R
% {3 H2 I+ @1 }: v
CATDocument *pDoc = NULL;6 y! t% T2 t: U: i4 z, @
CATUnicodeString storageName = "XXXX"; //文档保存路径名# n' i1 u4 k7 A/ J6 @: z
. ^8 B$ B6 x' d) E3 c( v
rc = CATDocumentServices::OpenDocument (storageName , pDoc);7 \& ^8 z6 L8 ~ w" F' Z
v3 F; M6 F3 m8 c, h }5 B, Oif (SUCCEEDED(rc) && (NULL != pDoc))
' g# I" ~3 X& V% k6 {3 e& n2 }, k2 M{; g5 v" B: F- w3 Z+ x
cout << "Document opened OK" << endl << flush;
6 Z: L0 ^0 `* A0 y& Q z( T' i}
: K: T' h6 Z3 t6 {+ v) W! kelse6 | l3 [& \% ]* J0 b" |
{
) L+ n( g- }2 _& k, u# A& C cout << "ERROR in opening an existing document" << endl << flush;
3 p/ W! P6 }$ h) T" H0 e* {' q; O return 2;
5 c/ M) @3 F2 @/ T}
( G( }9 N8 O8 r+ `2 H2 x4 K3 获取当前文档* m0 S& F+ E& ~; Y D
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,* j& ^ P+ n/ \: L x8 E. Q
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CATFrmEditor * pEditor = GetEditor();
, V7 a6 J& C( t, Z' Lif (NULL != pEditor )3 ?$ @4 c3 V5 M$ Z* H5 e
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cout << "Editor got OK" << endl << flush;
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else
! Z% g$ H# V7 M& {8 {1 F8 Y# D/ [{
) h" [! O4 g8 o/ L) ?$ Q% j8 z cout << "ERROR in getting the current editor" << endl << flush;
, O* d- o- s# g: d; V4 ^) v; M' z return 1;% d0 V4 s* J8 k" n* Z
}
) z4 {' ~& L! s ^4 r- P; y/ _CATDocument *pDoc = pEditor->GetDocument();
d1 Z: p# a6 Jif (NULL != pDoc)
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+ a8 P. V& X1 O- k9 u# |/ ^/ X cout << "Document opened OK" << endl << flush;
" M( T' Z4 \& M% H$ M! R$ \}
9 |2 w+ n7 }. f# @. T- |$ n1 Velse
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9 y" s* r7 U) \( t9 a cout << "ERROR in opening an existing document" << endl << flush;4 O0 d8 S5 z7 X9 d4 `1 |
return 2;
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: p$ J- C8 T0 K! u& R- ]4 e 该指针的获取还有其他方式,如通过CATILinkableObject 类获取。: `$ c* v. N W, _- {1 Y/ e" Q
4 保存文档(Save the Document); _* i9 Y4 V4 G5 \
4.1 另存:即保存为新模型4 U/ H5 i0 _3 h( V% g3 X8 }
% h& m) U$ O3 ^8 FCATUnicodeString savePath = "XXXX"; //文档保存路径
2 d% u( v! ^5 _rc = CATDocumentServices::SaveAs (*pDoc, savePath );4 ~) d3 `# g: k8 t/ H. y
if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;: i1 F0 v6 W' C( @% `; w
}% \/ l( E7 B8 ~3 O- x
else& b( c; _5 [8 T+ u' [
{
' C( E8 D/ S* v- e4 b# T: [, f cout << "ERROR in saving document" << endl << flush;0 @) R3 N- k+ `, S/ O, t
return 5;
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4.2 保存:不更新保存路径. w- y7 A( e- x; r" x( r6 s
rc = CATDocumentServices::Save (*pDoc);
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if (SUCCEEDED(rc))7 g& F. Y3 i# r5 O X
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cout << "Document saved OK" << endl << flush;0 d# ^# V. h/ h m
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else
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cout << "ERROR in saving document" << endl << flush;
9 _4 ^# q% w+ _2 ~5 B. u' d6 l return 3;3 g1 S' j4 `, g) f
}
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5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);
) `) R- v" E% m7 T7 oif (SUCCEEDED(rc))8 N" H: ]2 v3 \, `
{
: I% |0 O* Y' D2 f( @- p5 C cout << "Document removed OK" << endl << flush;% w0 l I+ H. e" Y4 H
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else. a! ]; I; B, n j
{
" f" Y/ z! G$ I" h( D; }. ` cout << "ERROR in removing document" << endl << flush; H6 J! f+ z5 ]( M* |: v
return 6;+ M' l1 D! z4 k* `, ~
}
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9 M: j, k. u5 z+ b方法封装0 N1 w @/ _& E; Q+ k; q! |
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- z0 k- G: |$ l4 a- {' ]( l
输入:
+ c# Y9 ~; A& u1 ]9 ACATUnicodeString PathName //文档(模型)的路径
3 b& x% x; \5 z" q7 B; P3 {输出:
; Y \. g, z# X& j, [5 fCATIProduct ** opiSonProd //文档(模型)的指针! N7 M) s3 C J& Y$ s
2 T* R5 V9 f+ q1 a' v9 E0 B. i辅助功能函数:, ]! Y; H( g6 T# b/ n! C& ~/ S# W
获取当前模型树根节点
6 W: H& W. x0 i/ t9 I! o模型加载后可视化
' u! x D5 L5 G; I. x3 V刷新根节点" @" x& V' R) O
----->打开文件
1 w1 m+ ]% `' m* }CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd); T3 w5 I& e+ R; o1 ~3 r3 H
{
3 G+ i5 B2 J. k# j" x6 w6 g9 ^HRESULT rc=E_FAIL;; H6 M \3 J7 H. ^8 [- q1 x9 q
CATBaseUnknown * pRootProduct = NULL;0 ]5 Q' |- V8 G# d6 K
CATIProduct *piRootProduct = NULL;
6 x) k9 A% @, Erc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点, [2 \5 e) z- [% H$ E4 @
if (SUCCEEDED(rc))
7 J6 a' ?' {+ c! Y K( ]' c{( _/ U7 I( v2 P2 _
rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
! [& _* U/ A% d0 s/ a% sif (SUCCEEDED(rc)&&NULL!= piRootProduct)
3 P! |% a! \. g: X{) Z0 u: ~6 l; a! r) h
CATDocument *pInstrumentDoc = NULL;
" c) q. ~8 ~# E2 Q) Q' U$ }2 eCATIIniInteractiveSession *piSession=NULL;2 m& v2 Z" ?+ R
CATSession *pSession = NULL;5 K; U7 `- f" R N
rc = ::GetPtrSession(pSession);
3 B4 f$ z% X P, w. ]- _rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);% m& M$ T7 R' m% g; D
CATIEditor *piEditor=NULL;2 H$ a. W7 d. `+ D" \
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;( P- F( o& U. a+ S- g- V
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )0 G! U8 A6 G; _8 _
{ cout <<"The document" <<PathName<< " is opened" << endl ; }+ F& }6 L3 l0 C' n1 J# S
else
- t, N1 a- r- B7 p5 \" a{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
- T5 J% m3 \, Y p2 w4 Y' eCATIProduct *piInstanceProd=NULL;
# }) V) c" p5 H( m8 orc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
1 E' F" h9 U( V `2 Q) S6 G! Zif ( FAILED(rc) ) return FALSE;
3 A' a: l& T- O// rc = piSession->Close(piEditor);
6 b9 K" d7 ?. x* D# V: ?$ f. s1 ]* opiSonProd=piInstanceProd;) K: L0 ?9 a: U, v* V7 v r
XXXFunction::UpdateProductRoot(); //更新根节点3 R; W) d# _! X( y5 E
}8 Y5 D& y) E* V
}; [. U$ ?" {" L1 a6 O2 V0 ^
return TRUE;/ a5 c( a! p) f% q0 n1 A' d
}: x6 o1 N( \3 X2 ?3 m7 m7 |$ J$ S
----->加载模型可视化8 r' k! ~' |; V# Y
6 G' r; o" T6 O
HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)/ Y# W; g$ q+ s( J) Y% p- }
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
; @9 \% p9 S' D. ]! p4 G f5 B2 _. d4 b1 I6 W
//AddExternalComponent全局函数所需的三个参数,
: D7 W9 D% Z/ W5 [3 _( \) ?$ J+ o& y9 C/ a5 ^! L3 B9 _# ^
//被**的product document的root product,CATIProduct类型
( R: y: Z# P$ p& [/ W: t
) }- @& F6 Y0 P- ` //将要**的part document,CATDocument类型: e2 G/ ?, c' W! L, z
$ X7 Q& f. Y' h //the product instance of the imported document6 S3 [) T0 I' B( t
" q: N; ^) T7 C) m1 z3 u
//注意要**的document也要检索它的root product+ b* h0 `9 } ]1 x/ i! l s2 z/ c* N
; j' g- x. C- E) z) d9 Z cout<<"添加组件执行"<<endl;+ v* V; O9 q3 [& Q. Q
+ ^4 T5 L/ Q$ t, Y% m) i/ v HRESULT rc = E_FAIL;3 K, q; i; A8 q
% ]7 I2 H5 d/ f5 O if (! ipiFatherProd) return E_FAIL;
4 ?6 s. F( R+ `8 U, K" ]) y/ M% M
if (! opiSonProd) return E_FAIL;
# K! y ~; s, P$ _" P3 w$ E9 D) P% n
' a7 A9 h& s& s! w( c0 u if ( NULL != iDocument)
$ I+ Z1 G& Y$ A. ~
# s5 \: p9 g: ]/ S+ k2 v$ L' n. ` {
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// Get RootProduct of the document to import.; y5 u, ~; y, m9 N0 ]2 _8 C
8 T& Y7 _3 D9 ]5 |0 b0 Q- y
CATIDocRoots *piDocRootsOnDoc = NULL;
1 e; v+ Q' [1 g4 U2 b
& R4 H# o' Z5 r* @ rc = iDocument->QueryInterface(IID_CATIDocRoots,
; z# g7 e- R; H @3 o' q) t8 G+ y; {7 R: }0 N( _1 w
(void**) &piDocRootsOnDoc);" e+ V X" T% |3 T
! Z* `; C. |2 K' A7 A. _
if ( FAILED(rc) ) return rc;& X% n3 v3 P" q
8 x3 R! e! X) {5 G1 ? CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();/ S; p: v% D: x! u
3 ~. M5 O0 ?6 }5 K
CATIProduct_var spRootProduct = NULL_var;
4 j9 L( Y' e- V$ F2 u7 E0 J. F. |( n/ W. D- P
if (NULL != pRootProducts)
. R$ h) f _3 ^. N1 `$ I o4 A4 `! t1 }) w% Z% M1 B( n, z
{
* t5 V% _7 b. C3 q" k' w; V
A/ _" P6 y: o& r# z if (pRootProducts->Size())
# v! K) q( `, K+ [3 `
+ y# X7 F- i, _3 K: o4 {# A { 4 e1 N$ Z' o+ X4 S' Q. W/ Q
4 \+ n) S" y3 C
spRootProduct = (*pRootProducts)[1];
; ?' B& R+ E, D2 z4 x% i4 M- ], d* t1 O% M r. w. Y
delete pRootProducts;
F+ i: v1 M, R& g5 a- r1 B
" R: n' D X( L9 T, c7 @% e+ A pRootProducts = NULL;; a0 o6 W; k3 e; o
; z' u& l" _& p
}' _" s- l9 J: W; ~! v0 I
* L' K0 p" p6 D5 t8 Z/ z piDocRootsOnDoc->Release();. f, J% |4 o) R) e
' ~8 A/ c2 \: S2 H! K
piDocRootsOnDoc=NULL;; H, G! t: ^& Q9 A/ y5 }1 f
8 E5 Q z/ E, D) q: _4 ~0 k CATIProduct_var spProduct = NULL_var;
2 _( l, i# c' Y( J2 s. F/ G% b. ]& V/ _- p: X! A D
if (NULL_var != spRootProduct)( j. Y r, M& a; w$ M2 t
) e; P* G4 |5 ~5 i5 c* x$ n( D
{
* D2 [* r+ B9 X s) i! F7 m# g( n% u2 |: ?9 J5 S
spProduct = ipiFatherProd->AddProduct(spRootProduct);! t6 f3 r( o" x1 c
0 u0 [; D/ f. w/ ~( `
cout<<"NULL_var != spRootProduct"<<endl;; w, D, _8 G5 ]2 T- r0 n% y
7 D) P4 U' @3 x/ K }1 V' [! o$ K0 I/ V2 d, W4 b4 e! L
, T" O% H$ h; G2 E7 p3 ~3 o' b else
( @1 |- {" H* l$ K0 S8 M8 w9 B
$ W8 T' `7 m: V; y {' D2 _7 J! F/ |
# x, j2 v8 B* X" {6 j
CATUnicodeString docName = iDocument-> StorageName();
) f; X8 Z* g+ p8 h. T6 T* n7 T0 A- `0 w5 a! S. ]$ T$ p, p7 i
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);2 N; n9 }3 x: R
& v7 Y, s; O: u+ q
}
- \1 n, X. V, W" V4 g6 y3 I8 z, B7 X) ^" n
if (NULL_var != spProduct)
3 r2 R) Z) ?) _: z1 n3 _( `. b: Y$ k9 X( F/ R
{ ]; X% C2 S5 |4 U8 Z
1 B) a4 `+ q% F3 `- R) V9 Y. X) M rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);8 H0 j# L/ k+ m! D
% Z# @2 B: R; s3 \ if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;) p& \ M- ?+ _! D+ @
1 ]5 E- a! e0 V2 @ }
! P; b9 @& Q4 s, A, H
" c! Z& F- {( W) N2 u }
: }+ X- [7 c8 v; s; J. T* M s% k( y' c) S @, [& |
}: b4 R0 A; B6 H7 g0 h1 B* D/ q; J) b
' W, Q. j) J. U9 [: Z. K return rc;
7 D3 U! C- d0 e$ Q) [
! w/ J" e; U9 U) r5 M0 ~! O. Q- E}
) D+ V3 m1 q! R' Q& l8 y* ^2 B$ C: K0 ~
----->刷新模型根节点
. l5 }& |9 |8 Q/ |& w, J5 I) i! A% B/ r- J
void XXXFunction::UpdateProductRoot()
7 f# t% B) @0 j8 ~1 h0 ?, U; n% c8 y/ H) c; E1 W: x
{/ \& R# @" E( ~2 P8 H& X
9 s9 a$ T- E, t9 t# A9 Y, d
//*******************************important**************************************
# i, V9 C7 q6 a0 l
) p! I4 @0 u; |/ |1 n& ^ CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
" C' M) |; q2 [& C% _
( h9 D$ e3 e. k$ w; U. O6 s CATFrmWindow * pWindow = pLayout->GetCurrentWindow();" j/ S: G f# k, V) ?! i7 D0 G2 z- [
. u( q6 n$ D" ?! }/ Y CATFrmEditor * pEditor = pWindow->GetEditor();
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( {2 @# p+ ~9 W. J6 a8 U9 g" X2 N% @ CATDocument * pDoc = pEditor->GetDocument();
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6 Z5 h# u$ x$ }% [ //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% h! i) @4 i. m
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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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CATIDocRoots* piDocRootsOnDoc = NULL;
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. u7 h4 O+ T& N6 | HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);
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if (SUCCEEDED(rc))4 z& h1 g9 `. R0 \1 U
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{
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\" P' ^3 R0 z // Retrieve the root product which is the first element of root elements
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();, w( S: [$ A7 q% T9 k
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piDocRootsOnDoc -> Release();
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# U" }) t3 v- `, L! e, E piDocRootsOnDoc = NULL;6 e3 e. w! S4 u J3 ?2 K
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CATBaseUnknown *pBaseRootProduct = NULL; 8 z. L4 N. E+ C" I
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if (pRootProducts && pRootProducts->Size())
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pBaseRootProduct = (*pRootProducts)[1];
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$ X% ]5 e" b% h& I delete pRootProducts;
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! S, p- H& E' L; K% e pRootProducts = NULL;
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+ B, k( \/ r3 [; s9 L if (NULL == pBaseRootProduct) return;# E& I# ^2 O9 V5 |, H" L
5 z$ A8 f' l% f5 e4 W h' M rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);. ]* q; c. T) C4 p
) u7 |2 T7 s8 W o X2 r if (FAILED(rc)) return;
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/ d& [: F" z/ c //对模型树进行刷新
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. A0 Y* B {' j9 l& i8 k% d CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新7 @8 G8 R5 j1 Y3 o
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pPartRenew->Update();
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else return; 6 r* r4 D u4 k8 d2 F
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//----------------------------------------------------------------
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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。
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CATIModelEvents_var spEvents = piRootProduct;! t4 Y" _& Z0 O8 K" Q
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CATModify ModifyEvent(piRootProduct);& t& X8 J# b* Q; R& U
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spEvents -> Dispatch (ModifyEvent);% U' {" b. w- k, M7 y: Y* \
$ ]4 h3 \0 ?, E6 z; C //Update the graph view: x d: M, N! V" G( R% j- X
( D0 o) V& u8 f3 L; s3 o CATIRedrawEvent_var spRedraw = piRootProduct;
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g' H1 V" h8 p spRedraw -> Redraw();
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piRootProduct -> Release();: D" U5 t) P6 F5 x
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piRootProduct = NULL;
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