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5仿真币
我现在用c++编写了一个程序,希望能够和extend交换数据,以及自动对extend进行一些操作。我参阅了例子里的关于OLE AUTOMATION方面的c++程序,但搞得不是很懂。比如说,c++程序向extend发送一个数据:5 ^" b1 @5 b- l: a; d
Name = (WCHAR *) L"Poke";
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8 |4 U; w2 L! X1 Q2 X- ] hr = m_pDisp->GetIDsOfNames (
8 B4 l, @0 \) h3 K- ?) w5 c IID_NULL, // reserved0 d6 w. D r, W$ K! N+ w [
&Name, // Array of names to get IDs for$ e: l4 q ?" ~+ ?9 V' y
1, // # of names in the array0 ^# P5 H& P Y; k- y. W" T
LOCALE_SYSTEM_DEFAULT, // System locale
% m h1 K! w) d1 Q/ ^; N4 @6 a+ A &pokeID); // Array of IDs to fill on output
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; `6 y$ `; U4 `) V$ \' l& d$ J if (hr)
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, Z, m v! U0 t/ Q; y) D MessageBox ("Get Poke Unsuccessful");
! {! E* |- {7 [% R, h. x/ y return;: b7 x" k/ d4 X
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( F/ A6 a- y) M# E' I/**************************传递数据给extend**************************************/. x6 W3 p+ I) B1 O6 y: D: _" e
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");8 l0 J v( t! j" G/ C* @: ?5 p
VariantInit(&pokeVariant[0]); - p# Z; m2 ]# G$ K' [. p' {2 Z
pokeVariant[0].vt = VT_BSTR;
2 I6 I0 O# e2 x* k* n pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" h/ Y; O: X* q, C, q# i, X) q VariantInit(&pokeVariant[1]); $ U! A7 l0 r8 J$ p
pokeVariant[1].vt = VT_BSTR;
; S! T, P; Z. S3 m pokeVariant[1].bstrVal = itemStr;( W9 _1 l) ~7 Y, _2 Y* X% ^
2 p2 F6 g( A* H! l) Q topicStr = SysAllocString((WCHAR *) L"system");
V, @ V" S$ \. }( N VariantInit(&pokeVariant[2]);
& K; w8 r; Y. J' l pokeVariant[2].vt = VT_BSTR;
# g$ f$ o& o' L pokeVariant[2].bstrVal = topicStr;2 e6 y7 O* |8 l* P X) ^! R2 u1 @
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// Set the DISPPARAMS structure that holds the variant.! K" M+ U, c$ W) `0 p' \
- y' V7 B0 G# ]5 Z3 j dp.rgvarg = pokeVariant;# }/ e! e7 r4 X
dp.cArgs = 3;! t) V& @- d# @' S% t; @
dp.rgdispidNamedArgs = NULL;
/ r4 d& p- m# m, a7 J. W9 `! F dp.cNamedArgs = 0;
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( H3 N% X) ~% _3 s/ R6 o" a C// Call IDispatch::Invoke()
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& y/ ?: x) c. ]) T" V, B hr = m_pDisp->Invoke(7 G# x& t! D9 D! l4 X4 Q9 M
pokeID,
& p, L1 V( z4 d9 g2 g% C$ f# ~ IID_NULL,
: M4 U; J7 S3 V8 J+ t$ y) q LOCALE_SYSTEM_DEFAULT,
" F& X7 r& T) Z% \0 \$ R DISPATCH_METHOD,, @: K1 j5 E% ~3 p# {" z' n) u$ Q
&dp,! L, [0 S/ @ P" {* G
NULL,
9 ~0 F; q' Y% \ &ei,7 a# P+ E0 C7 ]7 m% _* s5 V# z6 P; l- ]
&uiErr);6 O4 V7 N+ C4 s, P: N& ?
( a) J D5 ?2 R" V
SysFreeString(topicStr);
+ R. H4 ? U0 f9 Z SysFreeString(itemStr);
2 A2 o' B+ C' B1 O) U2 l SysFreeString(valueStr);
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! l n$ k5 O- F. \& d: I% w现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???
& O' N2 g9 r/ H* j+ l此外我希望将这个数据赋给extend程序里面的一个变量,请问如何实现????
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2.这是request的程序7 [9 R; [' T) R5 ~
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's" K# K% `1 v, ]+ f5 i ?
// type flag to indicate the fact that this variant holds a BSTR. Place the: B" u" _7 P! m( u* t; H1 ^
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; p3 ?5 W" _9 @9 W& e. p8 L
" I1 _) H6 J3 k! W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 D; N+ k; |, U6 B2 E
VariantInit(&requestVariant[0]); 9 E! s0 {0 d& r8 D% |2 m4 z
requestVariant[0].vt = VT_BSTR;
H% E: M H- {3 {7 i0 ]/ { requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
$ s6 [( m# ~. J' x6 A% }% f VariantInit(&requestVariant[1]);
! `# H0 b/ @) l6 D' f4 b0 R4 B requestVariant[1].vt = VT_BSTR;
8 l" X, n/ H: b1 c/ e1 ^! S0 N requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.2 W1 U. b, \* S) u' h
+ e$ c; U: u4 p dp2.rgvarg = requestVariant;
& ]2 Y6 m$ D/ ^# S dp2.cArgs = 2;: l/ j; L& k. `) Y" d' y+ u
dp2.rgdispidNamedArgs = NULL;4 r# B: H4 s5 ?+ u0 Q0 r( h5 H
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 v8 V4 K4 Q- l5 p: j
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hr = m_pDisp->Invoke(
: Q7 a8 a" R1 P1 P: I% | requestID,, l6 R) h9 N; a) P* {$ \4 B+ @
IID_NULL,5 k( u3 J9 ~7 e0 Z5 ?7 [
LOCALE_SYSTEM_DEFAULT,
# q& A7 L: V# C2 O: h DISPATCH_METHOD,
2 N$ c1 w: s" q) a g9 `1 P/ P& h &dp2,, a6 J) L* M4 {3 t) y* z
&var,/ Y2 p4 j4 i9 o
&ei,6 z7 a, p& t' E E) A/ t
&uiErr);
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; X+ z$ _0 f' `# P& L SysFreeString(topicStr);
* O/ m/ Y2 n* Q$ Q) t- E1 N$ Y" I$ a SysFreeString(itemStr);; ~( B- h6 H. l8 y
请问该程序是获得extend里面的哪个值?
# t; F3 `9 ]) `: t+ {9 k如果我希望获得extend程序里面的某个变量的数值,那个c++程序应该如何实现???? |
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