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CAA开发之文档操作
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& t$ |. d' B* ^; DCAA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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- P% ]: u3 r8 Z( ?) f# uCAA中对文档操作的基本步骤如下:
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4 i+ V! I# S4 E7 w' f( d" q8 C5 v创建会话 - creating the session
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新建文档 - creating a new document6 a8 K/ z5 C4 j3 r. _" a
5 z- l+ X' W8 u调用接口 - Query Interface, v9 ~, g* C) T' f( F& t- n, O
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获取根容器 - retrieving the root container
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6 _6 _6 A6 J7 h* d5 _保存文档 - saving the document) c, K* C+ ?0 ?! F5 s" V; G x
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删除文档 - removing the document
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删除会话 - deleting the session
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( S+ F+ A% ~3 I D% k. G$ Z* d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。) E: n. @, U% U1 X
# m1 g# c6 c( H3 A( e下文将对各步骤进行补充说明。5 U3 g1 s. K% E$ l/ v- |$ w K
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1 文档创建(Create the new document)6 `. z# H! d- S
文档的创建通常有以下几种方式。可比较CATIA中文件菜单项
8 Y% u+ p9 x1 e# g' W' M$ }New:新建一个空文档
; {# ?* d- @$ D( Y7 z
1 M8 T( Q1 _' M bNewFrom:新建自
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新建文档代码:
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CATDocument* pDoc = NULL;
T( q3 {& n9 O" y1 i8 G% `HRESULT rc = CATDocumentServices::New("Part",pDoc);( j9 @$ U3 o* J) W
if (NULL != pDoc)0 y+ s* k- l+ m3 O; o/ W
{6 F- f' w. y( K/ X$ f; S* N
cout << "New document created OK" << endl << flush;& F1 P7 E/ E9 G; l/ M; C" M8 L+ s
}
7 t# o4 G: x8 C9 H3 Jelse% ]0 {6 [ Z% z! k5 [
{
: [+ |' T( {; ?& |2 m cout << "ERROR in creating New document" << endl << flush;
1 D7 b* C9 Y3 z: D return 2;
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- D$ k2 b" _5 r* X9 g" _$ }: U2 文档加载(Load the document)
. M; ?7 P- n S) I# j& b文档加载即打开现有文档,主要方法包括/ c; O1 a! @6 b6 U ?
CATIIniInteractiveSession 中Open方法:打开文档并可视化显示
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8 j9 K. {; p I6 `& ]CATDocumentServices 中的 OpenDocument方法:打开文档,一般批处理执行. [! `# t; w* W7 Q+ Y
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Open方法:* |3 z* ]& ~3 U
CATDocument *pInstrumentDoc = NULL;
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CATIIniInteractiveSession *piSession=NULL;
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CATSession *pSession = NULL;
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. Z- l/ y) w+ hrc = ::GetPtrSession(pSession);
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) o% P- G! P" A; T1 Q# I5 V+ h& d; }rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);
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G* C3 @! X% x2 b0 C0 m* RCATIEditor *piEditor=NULL;
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rc = piSession->Open(PathName,FALSE,&piEditor);
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CATFrmEditor * pFrmEditor = piEditor->GetEditor();3 Z5 x6 y1 D5 e5 ?
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pInstrumentDoc = pFrmEditor->GetDocument();
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......
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9 ~) O; h, K( \% B9 M( Y+ C$ hOpenDcument方法:
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CATDocument *pDoc = NULL;9 q7 H, q- n: Q& R9 A' _; y
CATUnicodeString 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))* l. M. t9 ^: d3 y$ U7 V
{
( F5 c$ H+ s4 I* j1 z cout << "Document opened OK" << endl << flush;
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% {+ X3 v U) Q- |else
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cout << "ERROR in opening an existing document" << endl << flush;% s5 Z9 I' F3 H) g% }7 }$ R$ \
return 2;1 n& k0 b/ s. T& l m
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3 获取当前文档
% z2 [9 q: p& Y- A( T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,& e" a2 ]* e9 o. A) H, Q
' [% {2 g! f. M8 M: cCATFrmEditor * pEditor = GetEditor();
" n; ?4 m# H+ b; P# lif (NULL != pEditor )8 N. q: z8 `* H) j( U) z
{
: d; T7 k! D7 p# L, F8 j. a cout << "Editor got OK" << endl << flush;( `2 c* K# \& M9 G( n
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cout << "ERROR in getting the current editor" << endl << flush;) G: y& H/ [# V* m& P; K0 h% n5 X+ T
return 1;
. V: D/ ?. T+ X) q}
& j' A! y* t; D) p1 b0 K6 sCATDocument *pDoc = pEditor->GetDocument();5 J! R J8 U k/ _; V8 F2 t
if (NULL != pDoc)
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cout << "Document opened OK" << endl << flush;
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else* s( o4 O* z- T
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cout << "ERROR in opening an existing document" << endl << flush;' \3 f4 l* l& w. a. W
return 2;
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该指针的获取还有其他方式,如通过CATILinkableObject 类获取。7 C8 q( m; R5 U7 n. g
4 保存文档(Save the Document)
" x9 ?( b, j1 V+ o4.1 另存:即保存为新模型
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6 t: e- o0 L. o9 Z( ICATUnicodeString savePath = "XXXX"; //文档保存路径- q& A& G! m3 f
rc = CATDocumentServices::SaveAs (*pDoc, savePath );6 y, O6 {8 b9 N6 p5 }8 D& K. B. O
if (SUCCEEDED(rc))7 Y2 C6 X: W$ V4 m/ Y1 x1 V
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cout << "Document saved OK" << endl << flush;) r1 [, f8 i% f: B E& K
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else' C4 w/ I$ f X( a! ^2 W5 H
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cout << "ERROR in saving document" << endl << flush;
" z- V+ G Q7 i" g Z. w return 5;
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9 s5 X3 U! g! o( `& {4.2 保存:不更新保存路径2 O6 f) S, ^9 f9 P) m# W3 U
rc = CATDocumentServices::Save (*pDoc);" f0 C* p7 m5 z2 [
& S+ P6 G! T. P. e: J; j% `if (SUCCEEDED(rc))& l+ V; A' K+ i7 L \) W6 n
{
; z( M5 |& m) d6 C cout << "Document saved OK" << endl << flush;
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else
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. |5 B9 x% V: P) O cout << "ERROR in saving document" << endl << flush;
: N5 A! b* ]- _1 B return 3;% x: R! P/ I! Y" A
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7 M1 q/ V; V& V, Y2 J3 Y5 删除(Remove the document)
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rc = CATDocumentServices::Remove (*pDoc);- }! H3 p1 r4 m
if (SUCCEEDED(rc))
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cout << "Document removed OK" << endl << flush;
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' X8 _$ A" [! K. I7 @* }else
$ }3 i5 ? W% T7 l{
% L, c3 z/ F3 e& O cout << "ERROR in removing document" << endl << flush;
5 D+ {( G' z1 j- W* f8 X. f return 6;6 @+ P9 m. O" ^# c4 d: R
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方法封装5 k# i+ O5 ~5 Y: q2 S" R4 o# }# M' h8 \
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
y/ v' a0 E7 H4 N* s输入: u8 _' N. }4 f
CATUnicodeString PathName //文档(模型)的路径1 x# }- f$ T4 C+ j5 R9 a: b4 u/ S
输出:. }. N+ N4 @# G# [8 y1 n; `
CATIProduct ** opiSonProd //文档(模型)的指针8 a; E0 O/ V/ J5 r5 Q+ u, x8 v
" F- U5 D2 J) W6 r辅助功能函数:
' K8 k7 t9 U+ _8 F* U) w$ y0 }获取当前模型树根节点" u: u$ t, i6 m& u- i: ]
模型加载后可视化
) F, _7 L2 b' F. T5 m& I0 o刷新根节点 X8 a( ?5 G4 k* `4 `8 c% y
----->打开文件
, k# r/ l4 b. r) ^, c5 `CATBoolean XXXFunction::OpenCATFile(CATUnicodeString PathName,CATIProduct ** opiSonProd)* s) w5 O3 \/ W
{
( w2 }! ~$ X5 y* c; GHRESULT rc=E_FAIL;" G; K( N; y* l7 C. W, [& Q+ u
CATBaseUnknown * pRootProduct = NULL;
/ ~0 \$ F$ K2 z2 N5 M% H* RCATIProduct *piRootProduct = NULL;
7 m! b, Z) }& d+ Y6 D* Yrc = XXXFunction::GetProductRoot(&pRootProduct);//获取当前模型树根节点 u% U) s; L/ A% |7 _* [% Y
if (SUCCEEDED(rc))
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rc = pRootProduct->QueryInterface(IID_CATIProduct, (void**) &piRootProduct);( ^% T# T( m# r. N2 T& k2 w/ @
if (SUCCEEDED(rc)&&NULL!= piRootProduct)- n. l' Q, w' v5 F' i5 V* l
{
% z9 q& K* d' V( X9 G+ I: PCATDocument *pInstrumentDoc = NULL;+ t$ M( Z! W: }: Y$ I# f" L
CATIIniInteractiveSession *piSession=NULL;3 d, o" v$ E6 q$ w; H: l8 L4 D% U
CATSession *pSession = NULL;
; @+ L# l0 y! r8 \" [: y8 Arc = ::GetPtrSession(pSession);
& `$ N" b* \9 {( b9 {8 |rc = pSession->QueryInterface(IID_CATIIniInteractiveSession, (void**) &piSession);; T3 c! a% x; N( }9 U9 W. h9 U
CATIEditor *piEditor=NULL;# T, \( {- F4 ^% H/ W+ Y
rc = CATDocumentServices::OpenDocument(PathName, pInstrumentDoc) ;5 N2 j7 H1 W/ K+ L
if ( SUCCEEDED(rc) && ( NULL !=pInstrumentDoc) )
x9 j' R6 R% U& w{ cout <<"The document" <<PathName<< " is opened" << endl ; }$ t3 p( p$ g' m' D
else
% y/ O! x& Z' i; v- V{ MessageBox(NULL,"模型路径输入错误,请重输!","通知消息“,NULL); }
: p+ E) [$ H" ]CATIProduct *piInstanceProd=NULL;
1 x) z9 W1 m7 \ ^rc = XXXFunction::AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProd);//模型可视化,即将模型添加到当前模型树下
9 `. Y% q$ }% A% |9 t" xif ( FAILED(rc) ) return FALSE;% D |3 U% p# X+ B
// rc = piSession->Close(piEditor); ! W- ^( f {0 k# e. I' P
* opiSonProd=piInstanceProd;
n7 M; {+ J! v: _% HXXXFunction::UpdateProductRoot(); //更新根节点: U+ v; V: c: d
}
1 `( b$ e1 `, k2 g$ P2 Q4 i, i: x}- l# r' h- y7 {
return TRUE;
3 g. \ q0 J( y0 V7 N}+ b1 t5 F s( }9 v
----->加载模型可视化$ R' G$ u" D+ T- q. F1 x
0 A: W, v, J, ~" }" H- r5 f2 ?HRESULT XXXFunction::AddExternalComponent(CATIProduct *ipiFatherProd, CATDocument *iDocument,CATIProduct ** opiSonProd)
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//AddExternalComponent(piRootProduct,pInstrumentDoc,&piInstanceProdSP);
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//AddExternalComponent全局函数所需的三个参数,
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2 r: }" U$ b& B$ ?6 E$ T" X //被**的product document的root product,CATIProduct类型
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//将要**的part document,CATDocument类型
' [7 E: t# t: G- q: m. E5 K( V9 [3 P; K. M- ]4 K+ X
//the product instance of the imported document# O0 V. R# E8 R! }
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//注意要**的document也要检索它的root product: h3 [3 J- n; p+ J+ @
& \3 ]. ?+ c V7 H* W( o) g cout<<"添加组件执行"<<endl;: h [, @% ^# A9 f. L$ E
' m$ f0 p9 D0 R1 r
HRESULT rc = E_FAIL;
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if (! ipiFatherProd) return E_FAIL;
( c& Y5 v: p+ n: b
3 b* [ I3 P& H9 ^% b if (! opiSonProd) return E_FAIL;
) j) W f# v: v# p$ L* \6 I0 r( e9 ?! f, C+ h1 s
if ( NULL != iDocument)4 w$ q! G- X, H8 S- C6 w
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{" ~$ M4 a0 L9 H, x
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// Get RootProduct of the document to import.% D `9 v# [" U5 U8 g, ?% _
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CATIDocRoots *piDocRootsOnDoc = NULL;
6 {% {2 E' x% h. i. \/ s8 M4 k3 E8 n1 H8 r; b6 _3 {, s
rc = iDocument->QueryInterface(IID_CATIDocRoots, H+ y$ y4 S3 f# }; J5 x, z. ~
3 k" I. N7 w$ o3 P
(void**) &piDocRootsOnDoc);
8 l1 ~- [, M- a0 t4 |; _8 |
+ m# z2 D( ^, }; k; t if ( FAILED(rc) ) return rc;- j' v. R8 Q( B& M3 ?+ ~ |' g- }/ S0 ^
1 Y8 M0 ?. j/ A5 j CATListValCATBaseUnknown_var *pRootProducts = piDocRootsOnDoc->GiveDocRoots();; N4 `) q N; l! N/ y( V. H
" l0 J' i( r3 ^/ ^ CATIProduct_var spRootProduct = NULL_var;+ [* M. t5 }7 G- r9 b% ?4 N
% ?& a* {0 V, }6 J5 j* _4 z if (NULL != pRootProducts)
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{
- s" O. C0 l& A. z, x. L
Y0 r- r4 N- V% z+ {! q+ J if (pRootProducts->Size())
7 @" O: f1 a# }1 M: x
0 u' T) z7 I. @, I7 J {
/ S# f0 j% N9 `! @8 H
7 o! E: L; G, p% w spRootProduct = (*pRootProducts)[1];( ?; K" r) Z2 Y9 D& ]0 K
- c9 q" G) n3 j3 g. T: @6 B delete pRootProducts;
0 D: i1 h& V0 C2 I' K* h' N7 D5 K; F
4 I7 o8 w: Y5 H pRootProducts = NULL;
0 s( Z+ p5 T& M; ?1 X) [( x$ ]9 \/ [3 e: b4 ~- o' A! D4 E
}
1 ?1 C4 J: L1 [/ \
5 L9 a, |# j) R+ A4 _; v2 X piDocRootsOnDoc->Release();1 O+ _0 e) S! o* V& Y5 ?6 T
/ g& i' E; K" }/ e9 K. ? piDocRootsOnDoc=NULL;
! O4 w! v9 O+ H8 ^
0 N+ \' a4 k9 f* }" w0 x CATIProduct_var spProduct = NULL_var;
; B! Z1 i( P+ p) u0 c2 |5 W
, t* s, r* ?: e( j2 N+ D- Q C if (NULL_var != spRootProduct)
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{
( A9 |9 z3 a# E7 q
7 n) Z2 d& p0 e2 k spProduct = ipiFatherProd->AddProduct(spRootProduct);
) G& \# l! ~5 {
& E6 G9 Q& i7 M8 \- ` cout<<"NULL_var != spRootProduct"<<endl;' h8 h# j! {4 a( {! F3 F
2 C$ Q' z% }5 `2 {! q! e) ^. f
}; t8 x \% W) q, T. a
: H0 l6 o% Q9 ^( c! f
else0 y+ D# |* W2 ?3 {
# u" x' d" _: X2 b+ X7 Z+ ]! R
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# x* u# [& @1 _ B* h
CATUnicodeString docName = iDocument-> StorageName();9 V: `0 B5 z# ?3 ^1 ~3 Y
, r2 |/ u! j1 R. U$ a
ipiFatherProd->AddShapeRepresentation(CATUnicodeString("Model"),docName);
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5 j; h- T- \ z4 o }! `; ?& P2 I7 g: b: R6 W' W& _
, j1 d3 q/ d5 h3 g) y if (NULL_var != spProduct)
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{. G( j/ b: }7 Q& G9 T
+ S/ M- p, X' i4 {, o+ B
rc = spProduct->QueryInterface(IID_CATIProduct,(void**)opiSonProd);6 j, [& U$ S7 R( s9 T7 h0 f
; N3 Z( s- j: w8 O" P
if (FAILED(rc)||NULL==(*opiSonProd)) return E_FAIL;
1 Z# J8 P" Y4 v* l- ~
, ]! \, B8 F4 Z- |5 ?: z9 @2 G }
[1 |! B, {% ?/ W$ q
5 x6 r6 d4 Y) t4 _& z" T/ B4 i } ( f% M) g5 K% k
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return rc;
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}
+ d" \# |- b' }# C& X
4 q& ?* |4 Q I0 [$ j----->刷新模型根节点% s6 {- J9 n. G0 d# `+ L
5 r: ]" @, J% r( }5 k+ Tvoid XXXFunction::UpdateProductRoot()$ n2 v9 k& T/ R% I" ~ r" ?3 {
) p) y, S( T& _/ n) N/ q2 |! d
{3 o! A* Y0 e; w' M
% x, e7 B- J" n) d3 h/ o //*******************************important**************************************& {; m+ _* V, {" K
' k$ f3 W& L {# A CATFrmLayout * pLayout = CATFrmLayout::GeTCurrentLayout();, m8 g# @1 s* q9 }) U
8 i' W a# Y- t CATFrmWindow * pWindow = pLayout->GetCurrentWindow();
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2 x: }/ e4 f1 I CATFrmEditor * pEditor = pWindow->GetEditor();
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CATDocument * pDoc = pEditor->GetDocument(); ( L Q& y7 |: n9 [! ^
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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6 ?5 N5 Y2 t) O+ k0 q# t: G1 }
5 [3 s* M/ X* h: f' A. D/ ] //首先,获取该当前活动文档的产品根节点
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$ c) s) P2 Y, n3 l, O CATIProduct *piRootProduct = NULL; 6 `* |: m+ R* S3 i8 J+ U$ L5 y
- m' G5 m: n" u4 g9 I CATIDocRoots* piDocRootsOnDoc = NULL;
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) e5 y* Q. Y4 k HRESULT rc = pDoc -> QueryInterface(IID_CATIDocRoots,(void**) &piDocRootsOnDoc);$ N A* b( E1 V. @/ g, F
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if (SUCCEEDED(rc))" k+ ~8 i; L9 @( z% @; y1 H' p/ q
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{
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- ?& q, Q* P$ k6 C2 R' p // Retrieve the root product which is the first element of root elements, m( V A, ^1 ` T+ [3 P A, p
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CATListValCATBaseUnknown_var* pRootProducts = piDocRootsOnDoc -> GiveDocRoots();. C# ?/ @7 q/ n# _
7 [. R% y3 K% c7 A1 Q0 V piDocRootsOnDoc -> Release();+ F9 `) y# c/ A) {" n' V
# [" }/ Q; F7 I4 {- ^( S/ y( x9 P piDocRootsOnDoc = NULL;. d; }6 X+ @; v! f% K( B# U
- `* v, s3 f' E7 s% e CATBaseUnknown *pBaseRootProduct = NULL; I$ j- J6 X7 l/ E0 t
, U2 G: ?3 B3 w! Y' s1 @ if (pRootProducts && pRootProducts->Size())
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, S6 }3 W! t1 u pBaseRootProduct = (*pRootProducts)[1];1 r5 o% ^# M6 d: w U
: C7 `3 P5 ?: [$ ]( t delete pRootProducts;3 [0 F/ t; L3 r) ?+ [
6 r" B$ S9 { i- l9 w1 K pRootProducts = NULL;
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/ h$ G* C) J1 V P3 E& z0 ^* Z if (NULL == pBaseRootProduct) return;4 H* p9 q; ?9 t' r$ d) D$ Q6 G
; t' n5 P2 k. A: g0 X rc = pBaseRootProduct -> QueryInterface(IID_CATIProduct,(void**) &piRootProduct);
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1 t l/ X0 x0 ?3 | if (FAILED(rc)) return;
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6 S6 v" a5 i2 D0 r! q: H' `( b' v //对模型树进行刷新
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9 e# |. Y! d$ E5 T9 k, ? CATISpecObject_var pPartRenew = (CATISpecObject_var)piRootProduct;//对零件进行刷新) }5 P" J( t2 z
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pPartRenew->Update();( ^* @3 ?) B# i
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else return; 9 B$ x, \- h0 S, E- a4 X% `7 g
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//----------------------------------------------------------------! q% ]" [* y7 Y0 M
& U1 n/ ]( D" y! @+ \+ m //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;
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+ T) I% {# P* Z! f' g" r CATModify ModifyEvent(piRootProduct);8 d6 d6 B F' J. u* O" b6 t
( e c( F8 V( P spEvents -> Dispatch (ModifyEvent);
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//Update the graph view
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% R0 N4 j& F; s8 Y% u CATIRedrawEvent_var spRedraw = piRootProduct;0 U) O+ x. K" {& ~
* [3 A) k$ s- @- U6 ? spRedraw -> Redraw(); 1 O3 {" `0 H4 |0 T# k
2 z4 `5 j# ~: X- m piRootProduct -> Release();
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+ Y i- f, {6 `9 Q7 z' f/ p piRootProduct = NULL;% a4 U) [, u. n4 Q
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