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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。' N; c3 t1 `4 a( r: m+ F
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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
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! R$ H* h7 Q/ R6 a调用接口 - Query Interface W! `9 j G$ W+ u; m
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获取根容器 - retrieving the root container5 I" n% t1 Y" q: a/ V6 q
( V. ]% v$ }. p" [保存文档 - saving the document* U9 O; F W( I
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删除文档 - removing the document
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# C" \# b% z6 O- {+ k& e) L& X6 }& T) C( p8 r删除会话 - deleting the session . }: p o0 E8 _* e
3 p: h/ Q4 Q* T4 F9 |- D, w上述步骤详细说明参考百库全书技术文章 Creating a New Document。. Q R; s5 U9 y6 G7 M% [
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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。' }9 @5 d1 e, o
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下文将对各步骤进行补充说明。* @' F# a) A2 y3 F! v2 K
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1 文档创建(Create the new document)5 \+ z2 d2 M3 P; }6 J
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
6 u2 F9 ]% ]6 j1 T0 o( [. X' [$ pNew:新建一个空文档
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NewFrom:新建自
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新建文档代码:
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. ]# t/ B) M1 KCATDocument* pDoc = NULL;' ?' Q% C6 p5 q' R. r% b
HRESULT rc = CATDocumentServices::New("Part",pDoc);; U- ~; p' i$ M( m
if (NULL != pDoc)
5 l2 x: @; S+ k F4 F{
" `5 y1 y" m1 V8 D3 W cout << "New document created OK" << endl << flush;+ h- A. t9 p' {; R' I* m
}
7 s/ i, `" `* B" u9 \2 M4 ielse
8 G4 f+ r8 D: ]; T" V1 @* |/ L{3 t- B2 b% O( W% s( f, V
cout << "ERROR in creating New document" << endl << flush;( v$ H9 O( ^* {+ e$ S+ P$ I
return 2;
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; v7 R/ m" ?5 ?; T2 文档加载(Load the document)
7 N6 P% k; }/ R: `$ z文档加载即打开现有文档,主要方法包括0 Y4 \, i" }9 w' B- X' U
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示% [/ r" ?! B9 j& P/ P. X
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CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行
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Open方法:
/ y3 p% b7 \) w9 ZCATDocument *pInstrumentDoc = NULL;! m& m9 |4 g% @" l
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;( d6 z: `* B* B: J1 w# h
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rc = ::GetPtrSession(pSession);' {. @# _2 s' A
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rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);/ B) z, E* C# }/ A6 p8 l) Q
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CATIEditor *piEditor=NULL;% U R" P4 l1 o# x) ?
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rc = piSession->Open(PathName,FALSE,&piEditor);. P1 d) Z9 _' D2 g/ J/ P
% q( ~6 I1 ^: p# S1 ], m6 eCATFrmEditor * pFrmEditor = piEditor->GetEditor();6 Z2 H1 ?& f- U
* O" R p) O' TpInstrumentDoc = pFrmEditor->GetDocument(); 4 `) l$ N2 A+ m" M! r! l
. f. m) }) D9 l% r8 a8 Q ......
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OpenDcument方法:+ U) N% ]) R+ U4 W1 J' `( W
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CATDocument *pDoc = NULL;! f+ o8 b* k; m. U3 y4 i- A
CATUnicodeString storageName = "XXXX"; //文档保存路径名0 L2 e* q8 g# T* V4 O: S
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rc = CATDocumentServices::OpenDocument (storageName , pDoc);, F/ i0 P# }5 B; j
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if (SUCCEEDED(rc) && (NULL != pDoc))
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# V0 E( i- x- U5 b9 I! X cout << "Document opened OK" << endl << flush;7 s% M0 f/ N7 H; f
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else
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' K& `6 I) ~5 \7 T cout << "ERROR in opening an existing document" << endl << flush;
b% T' w2 W7 | return 2;' t. ~6 [$ M, b5 X3 f
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3 获取当前文档
9 |. G( b8 s2 N, u8 s7 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,. |9 |4 G9 _' x7 v3 k
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CATFrmEditor * pEditor = GetEditor();
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cout << "Editor got OK" << endl << flush;; W6 K$ H' K/ n" l; a
}
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cout << "ERROR in getting the current editor" << endl << flush;
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CATDocument *pDoc = pEditor->GetDocument();: q: e% N* B; U% c8 }
if (NULL != pDoc)% T. x8 {( w: R& c" d: O
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cout << "Document opened OK" << endl << flush;
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+ L# s5 ^9 t- P! c) o: U, lelse
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2 {5 o3 R1 I3 q) L: ?, W cout << "ERROR in opening an existing document" << endl << flush;( j) V" W7 j% q& N6 N$ h( ?2 X7 ]7 S
return 2;+ v# X. t3 n% r) g
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。# i) a( U, U/ t+ x3 Z1 i! v8 t
4 保存文档(Save the Document)1 f2 z% m* ]/ ^. G8 Y& J* K1 b
4.1 另存:即保存为新模型0 B/ H1 ^6 K3 U" w; B, H
2 X) I1 j7 l/ |) P$ b: KCATUnicodeString savePath = "XXXX"; //文档保存路径2 ~5 v9 [8 E) G e4 {. c
rc = CATDocumentServices::SaveAs (*pDoc, savePath );; ~; ?0 |3 C$ |3 m- T" `3 q
if (SUCCEEDED(rc))& t$ v& e! g+ g
{
+ R5 F" j9 ]2 R cout << "Document saved OK" << endl << flush;
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* ?8 N9 n2 w" h3 ^else
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( F$ W2 O! W. Q' Q2 G cout << "ERROR in saving document" << endl << flush;+ X9 Z4 a: g! O' K% z6 D
return 5;
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, t9 o& O# r2 n4.2 保存:不更新保存路径& w+ t8 b+ [. d! a, d B* C
rc = CATDocumentServices::Save (*pDoc);
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7 B/ l$ x3 f, ?7 b. ]! m0 {# ?if (SUCCEEDED(rc))
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cout << "Document saved OK" << endl << flush;
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cout << "ERROR in saving document" << endl << flush;
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5 删除(Remove the document)
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0 |7 a" L2 I7 a' K; @0 Grc = CATDocumentServices::Remove (*pDoc);
, e8 K9 ^( h3 A: Pif (SUCCEEDED(rc))
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5 b" _( E0 t5 ]- l2 \ cout << "Document removed OK" << endl << flush;
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else
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cout << "ERROR in removing document" << endl << flush;9 F, A q6 S7 l% |3 I
return 6;! |: V$ C; {; f9 z% Z1 o c; A
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6 ?' }. v7 T" W2 N* u方法封装
& o8 e- X& q, d7 g; B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" }* {/ m4 D! f! ?" M3 j6 x
输入:5 q7 @- j/ D+ f0 G& {# a8 k& o3 `8 v
CATUnicodeString PathName //文档(模型)的路径
0 J s, P' d9 l- @1 z; k. B- C* n1 Y输出:5 }5 |! ]7 H; E- h; Q
CATIProduct ** opiSonProd //文档(模型)的指针
3 H) H/ Y1 e! M% f5 {( e3 u3 U& f, }( `. k* |# b: C
辅助功能函数:0 e( T& o, ^1 J! v2 o) ^
获取当前模型树根节点' ^$ k% }0 _4 t2 F4 T0 W
模型加载后可视化; \3 c# G# L: ^! u
刷新根节点$ G: T# l. h! G2 f. \' o
----->打开文件8 x1 ?8 `* p C7 V/ s
CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)% b8 ?5 @7 A) D. V
{
1 K3 P5 D, p- ~7 d+ Y, g# DHRESULT rc=E_FAIL;+ v, k! o' x- J% m" |$ @2 p2 {
CATBaseUnknown * pRootProduct = NULL;0 t1 p. D4 O+ d
CATIProduct *piRootProduct = NULL;; {7 \+ k% l+ ?8 i+ x" f
rc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点4 n( W% U1 a" u% |, p
if (SUCCEEDED(rc))7 Q6 I& L, I. v, w1 u
{
" {* a$ S( X- t/ [7 K4 g4 O2 Arc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);
/ d6 W# f/ E2 Y5 ]9 P5 Aif (SUCCEEDED(rc)&&NULL!= piRootProduct)6 ^/ R ?" D: Q0 j2 n" P
{- c4 L( b; g2 e% Z! F7 r. Y
CATDocument *pInstrumentDoc = NULL;
, F9 o1 P7 N) w8 fCATIIniInteractiveSession *piSession=NULL;
6 ^8 H# z' Q- @. }- ]& TCATSession *pSession = NULL;
: F- a1 t9 h/ X T6 [rc = ::GetPtrSession(pSession);; ?8 Y. g1 S: v. a
rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
l, u0 N# u- C9 ~CATIEditor *piEditor=NULL;4 ?0 H7 D9 K2 q) Z
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;
7 _$ }: A$ M" S& T. }; r& \* tif ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
) ^. _- }! K$ g+ V{ cout <<"The document" <<PathName<< " is opened" << endl ; }$ [- e3 b& e+ V: P
else; ~2 g* _* T5 N9 j- K; D9 P
{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }1 P* ]4 V1 h$ g! A( S
CATIProduct *piInstanceProd=NULL;& f0 [7 G, U' u7 O1 E, w
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 d, a* V B2 V2 Uif ( FAILED(rc) ) return FALSE;
* Y6 u, U6 i/ ^% ?$ t// rc = piSession->Close(piEditor); # l& f2 H/ ?, j0 l& R! u
* opiSonProd=piInstanceProd;
/ t) }9 y5 o8 |/ N! ?! lXXXFunction::UpdateProductRoot(); //更新根节点
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return TRUE;
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----->加载模型可视化9 {3 f" ?8 k4 C) W ]
$ D. N) t& `2 q- y7 ]# h1 ]HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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/ n" d7 [- [7 g- |* E' d //AddExternalComponent全局函数所需的三个参数,( l# j j. x* ~6 j
3 v8 M( f6 E2 P+ b //被**的product document的root product,CATIProduct类型; m9 N, h# j( j3 D- }6 h+ F5 c( @
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//将要**的part document,CATDocument类型9 K6 d) j7 w4 j# Q8 \3 t
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//the product instance of the imported document
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//注意要**的document也要检索它的root product' \/ L- p5 A' x7 h" ?2 o9 v
+ `! o2 k4 R8 I' f* Z" m cout<<"添加组件执行"<<endl;
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% t, `3 q; ^+ i) p+ Q7 G* \ HRESULT rc = E_FAIL;
' M+ F1 W4 n' ~: {
: x: ^" c; S) B, m. O4 f3 W- `& ^ if (! ipiFatherProd) return E_FAIL; 2 m- z8 V+ O$ i8 y, S$ N5 }
7 h4 M; _- ~3 f6 o- B, {
if (! opiSonProd) return E_FAIL;
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if ( NULL != iDocument)
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2 g" _) E% u5 t3 L8 U8 F, \8 }) v // Get RootProduct of the document to import.: \, _2 _0 }3 K- p6 H
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CATIDocRoots *piDocRootsOnDoc = NULL;
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% U3 o c7 a; f6 c/ c rc = iDocument->QueryInterface(IID_CATIDocRoots,$ _9 d7 s |5 q/ y! O- c
! z4 u5 f" D1 E8 c9 ?4 I- K
(void**) &piDocRootsOnDoc);
* |% F! J. Z8 n J* j# d" B
# P E7 \: g9 ] if ( FAILED(rc) ) return rc;; i. R3 i" W2 Z( O# m5 K
/ \: Z1 x2 } D
CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();
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CATIProduct_var spRootProduct = NULL_var;
% L9 m! r+ k' [! E! v) i/ D, f: M% L, C4 z% i% F
if (NULL != pRootProducts)
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{
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+ N" H" C. ^. e$ T8 F$ g if (pRootProducts->Size())' D8 e/ g7 c& x6 d- O4 ]- }# I
) P6 A; S Z( v$ E* G" {, K7 ^- E! X {
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7 O5 I, a. J5 X6 H( E0 b; W spRootProduct = (*pRootProducts)[1];
% S. K4 X1 v- q0 n1 P" [
+ E% ]" {/ G1 Z2 d1 E0 E! r8 r delete pRootProducts;
8 H1 b, V% \" _* J) V- S" t0 o! v' p. h
pRootProducts = NULL;
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}
9 F" d I+ y S
2 U+ n9 X$ B5 ^; l) }6 X( E piDocRootsOnDoc->Release();
# }* T- a6 e2 C! v7 [8 L: o3 e5 W+ B) ?7 N+ c8 d! |/ H
piDocRootsOnDoc=NULL;
% y/ t0 l0 v, C$ @9 I# W7 M' p/ x+ s
CATIProduct_var spProduct = NULL_var;, s1 p) J; o( o$ C
5 x6 T, T: |" f' Z/ ], I. K4 _: S if (NULL_var != spRootProduct)9 `2 r" `1 m. E* ^# p0 o
: {/ S b, W$ x. B: F7 z& q' e
{
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spProduct = ipiFatherProd->AddProduct(spRootProduct);4 k# U; H1 o. K2 m4 o+ g- [5 `
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cout<<"NULL_var != spRootProduct"<<endl;7 q# y7 ` Q& {" R
- R: R _; E& I* q) `) q7 L7 e
}
$ a R+ m2 I' J: Q
0 B: ]# r- y' ^9 Q else
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6 B- }5 ^7 E- T% F8 c- T& ` C: Q/ Q ` {
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CATUnicodeString docName = iDocument-> StorageName();" m8 L: r/ B3 g Z- q7 h# S" r
/ z5 p. |/ L! b% y6 c ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);) D; B! h6 e }2 H1 b0 G; K
. _% v$ @# B: X; U8 r! V# F }1 |0 T* q0 `8 ], i: [
+ M- j5 s Q, }7 f1 d if (NULL_var != spProduct). _& M4 U# T0 g% }3 Z! W
& Z% h. }) n/ F6 a% M2 x {- y) D' ^$ }( x8 u" r1 ^! E& ~6 P7 D2 d% U
7 z1 s$ ^9 { Y3 g5 l6 S: y R( \
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);
6 r8 Z9 q S. A5 \! k% ]
7 Z1 [, M7 i4 m, Y3 { if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
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}: j k. {, w/ Y2 X# R
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} ( N; L s4 d7 D/ L% h6 y
$ i6 i" X! [* P9 ^8 H1 \ }
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: ^* G% K9 R* F j9 R return rc; 1 k6 m e( ~! T6 H
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} 5 p0 b: K' W; r0 s1 a
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----->刷新模型根节点
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void XXXFunction::UpdateProductRoot()
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{8 I! Y2 I4 D8 Z& A5 h
' b1 \9 C: Q5 _ //*******************************important**************************************
" Q1 w1 v8 _2 m2 _% ~% K! r3 F2 D$ C- |5 m: ^$ z
CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();
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; x5 \/ o) v5 ?& O' t- D$ F CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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7 Q9 r/ q2 @! Z: Z; P) {1 T% K CATFrmEditor * pEditor = pWindow->GetEditor();
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CATDocument * pDoc = pEditor->GetDocument();
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1 m# k' F+ F c. Y0 e //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- x7 w- o5 T5 ?! G
0 z7 O' S7 |( M //首先,获取该当前活动文档的产品根节点
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CATIProduct *piRootProduct = NULL; / H& B; \5 p& k" j+ g9 { z
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CATIDocRoots* piDocRootsOnDoc = NULL;
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8 P1 S! A1 p) v HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);4 a/ `5 b0 ^+ k. O* v' s% E5 _$ d4 h
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if (SUCCEEDED(rc))
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/ w E3 c- ]& }$ u! W // Retrieve the root product which is the first element of root elements" }5 b z1 S1 v
' o; b: L/ t4 u CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();" ~& L w% O1 X$ d% Z$ E) E
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piDocRootsOnDoc -> Release();
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! `3 P/ E2 h: k2 @) X" v2 r piDocRootsOnDoc = NULL;6 j- d3 Y' l8 L7 h( l0 k/ B b
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CATBaseUnknown *pBaseRootProduct = NULL; 7 W3 H, t$ U6 m
+ P& X+ g$ h+ T e if (pRootProducts && pRootProducts->Size())! x- A7 s+ @7 q$ B" S$ @
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pBaseRootProduct = (*pRootProducts)[1];' p* s3 X7 r O5 ?4 f9 l- n V, c
/ }9 J2 J5 d$ i } delete pRootProducts;; D- [7 ?) p( T+ S0 w; h
) j" X% [: C# ^1 n pRootProducts = NULL;+ Z) D9 p! \ a
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if (NULL == pBaseRootProduct) return;
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: f# ]* C; n4 s/ b$ n$ _/ a* m6 f rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);( h9 {8 E" Q' D7 X2 D
; L2 _ i( U V if (FAILED(rc)) return;( m6 U0 S3 _& V/ h$ o
, W6 m' Y* v* ^$ ` w. _ //对模型树进行刷新! Z( ]* H! J6 n% b: d
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CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新# s+ ~, V! N$ c- c, ?8 C( @
) H# q$ z) B I$ g$ a2 {$ [7 Y+ v pPartRenew->Update();
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}
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else return; 3 ?4 Y! `/ _8 Z, O7 ^
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//----------------------------------------------------------------. t8 Y) j; F0 |: X$ a1 t* l; I; {' N
. ?( @8 z: [1 G6 r$ T, l //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;4 P- P9 F% c, o) m
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CATModify ModifyEvent(piRootProduct);
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spEvents -> Dispatch (ModifyEvent); X& x/ d" j: ]3 W* m8 R/ u) b
4 V3 N5 p, y' ~6 g- y6 R# C5 C //Update the graph view
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/ T$ V4 Z- g% d r; \/ k0 ~ CATIRedrawEvent_var spRedraw = piRootProduct;2 p }& S, j4 ^3 r, P
. D0 K' D) ?4 D5 O! ?! d spRedraw -> Redraw(); * r K: A0 e( H( h
/ P+ d. G `3 ^8 |7 c piRootProduct -> Release();) ~, @6 y9 @* s) k2 e! S2 {% H
) y: Z2 Y2 I/ v" g piRootProduct = NULL;' o/ X# q& T. |" y; U
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