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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:
' c( W1 S) q) l K, e4 wName = (WCHAR *) L"Poke";/ l3 Y( ?) G% x# G
* |/ S. E9 h4 F0 G6 a7 A hr = m_pDisp->GetIDsOfNames (+ @! k& t% [) {9 z; _ W
IID_NULL, // reserved' _. _( S6 I5 `3 [ C8 F8 _2 U
&Name, // Array of names to get IDs for* t* p* e/ W# {/ h
1, // # of names in the array) ?* l" \4 z! m
LOCALE_SYSTEM_DEFAULT, // System locale; I, t/ [$ f0 F
&pokeID); // Array of IDs to fill on output/ m/ k7 u$ m& i
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if (hr) Y4 X/ j2 s. ?1 @6 w; w2 F
{$ k2 N: `. x4 Z* `7 k- H
MessageBox ("Get Poke Unsuccessful");. s5 C6 K7 O- f R- ]+ d
return;4 q" D3 J7 ]; p9 u: _
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/**************************传递数据给extend**************************************/" _8 [- z) `; P, D5 t* E6 D
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");' U* ?% Q" H/ J: z/ a$ S u; }
VariantInit(&pokeVariant[0]);
) P5 N/ @3 @$ [ pokeVariant[0].vt = VT_BSTR;8 N: \0 ]7 A% y1 u$ e' h
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! |) `: j7 m# A) [2 T VariantInit(&pokeVariant[1]);
1 j C, s" K/ Y# h pokeVariant[1].vt = VT_BSTR;
! a* n% P1 r0 K+ k& A( H2 Y. J pokeVariant[1].bstrVal = itemStr;, Z8 H2 T% b$ `, G' n0 c
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topicStr = SysAllocString((WCHAR *) L"system");; ^, L8 D- S. H0 b+ Y' c [ p
VariantInit(&pokeVariant[2]);
8 N! W( M4 W. t# g1 H$ x: n pokeVariant[2].vt = VT_BSTR;; m. m- i! T+ u6 Z: v
pokeVariant[2].bstrVal = topicStr; i+ ?- C& }, U- V/ u3 j5 d
1 u% f7 g1 y0 I- i6 m& ?8 l# @// Set the DISPPARAMS structure that holds the variant.% x) J( ?( n7 P% ~" k3 T: r; G
& [2 i) N8 r' ^( [& W( s dp.rgvarg = pokeVariant;1 K9 t6 \) q6 k' {1 B
dp.cArgs = 3;/ H R! F+ S% b
dp.rgdispidNamedArgs = NULL;; W# d2 K6 L5 n
dp.cNamedArgs = 0;% {2 e% M* P- ?! b
3 u, D: R: G0 C0 ^, l9 w// Call IDispatch::Invoke()2 o D+ E Y3 N. ~+ b3 L5 N
K$ ^; E( c& J+ T8 x8 n2 [7 X! Z
hr = m_pDisp->Invoke(
1 q" K) k: A5 N9 } P( K$ C7 X. i pokeID,
+ r) }+ t" S5 f4 `/ p+ m* \ IID_NULL,2 W0 k; X8 j) A# [. N0 H& q$ w+ [
LOCALE_SYSTEM_DEFAULT,+ }" r" S9 X; ~: B& G( b
DISPATCH_METHOD,% ~7 \8 z# P/ o$ Z ^, b7 i
&dp,
! L+ l& |* i2 w, L0 M5 z0 ~6 g8 M NULL,
9 A; v* q1 {- @6 r, s+ K$ g) V &ei,
- M% x; c. b0 p, d1 n &uiErr);$ _9 P9 L2 T8 n( a; P+ y
/ n3 _7 Q0 G+ U3 B( o+ ]$ i3 u SysFreeString(topicStr);
. R) a$ ?8 f& `7 _6 ]8 C/ ^* g3 v SysFreeString(itemStr);
; T8 \7 T/ T% a SysFreeString(valueStr);
' S! T- \7 w, Z, E$ p3 u. A. ~! u4 d- J8 d* P0 R: f1 W$ r6 K6 b
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???
$ u: p0 Z* J) z0 J: c, Y; I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????: _! B6 e, j1 ^& \- x3 }! U, J+ w
/ {4 f2 L- @5 G- \" n& [$ F. i- O8 ]8 M4 e
2.这是request的程序3 G2 g0 J7 ]5 c' F8 ~$ M0 f+ q( s, e
// Request a value from Extend
# r4 s5 m) P! I//
% w7 s) n: A5 P$ e7 k% e// Initialize the variant that will hold the BSTR. Set the variant's
3 j3 f7 }0 j. o- i) p// type flag to indicate the fact that this variant holds a BSTR. Place the
, c8 L) t' ^" ~% F h// BSTR into the variant structure.2 G5 D* |( a1 m+ a1 T
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. P; M# M2 N: y& f
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 z( i/ n8 _6 V7 Z; Z- ]
VariantInit(&requestVariant[0]);
+ v1 n5 G! q; q' }# C requestVariant[0].vt = VT_BSTR;+ b2 U0 {# p# ^: T. t% L$ `
requestVariant[0].bstrVal = itemStr;
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. ^( C0 A$ F/ R5 @ topicStr = SysAllocString((WCHAR *) L"system");
/ ]/ Y/ @3 H0 L2 Z( T+ w VariantInit(&requestVariant[1]);
, r y7 I1 E5 L9 _' e! ]8 O requestVariant[1].vt = VT_BSTR;9 K& ]! N2 N" Y& ]' Q8 Z% _
requestVariant[1].bstrVal = topicStr;2 _ n# a' F+ Z. o. t; z
# D. ]0 ]5 T& ^% U// Set the DISPPARAMS structure that holds the variant.
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7 n- E7 W5 D6 P' b) z dp2.rgvarg = requestVariant;
/ _& h, |5 z* d2 M; | dp2.cArgs = 2;: ~4 E8 U% |! Y" z5 T% [ {
dp2.rgdispidNamedArgs = NULL;% ]0 k; V5 ~+ K
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;8 Z; b+ g1 j& z5 P
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ w; u% `. C @1 M1 y. e$ I$ X
requestID,3 ^3 O3 v* T6 G9 O7 M H
IID_NULL,
" R! [+ f# C- w6 i+ V LOCALE_SYSTEM_DEFAULT,
! W" x7 {; @ X J; {" q DISPATCH_METHOD," z" X1 s; W5 ?8 d7 v
&dp2,
4 i5 ?( w* m7 Y$ [! O, a8 d8 V, [) v &var,
% c) ^, t E; N w4 f) C H &ei,
5 n9 W& M% z( F" L &uiErr);9 z! Q( |. W% _( ~8 w& `
( p7 s" Q! u' d' y4 N SysFreeString(topicStr);6 B# ^" K$ g6 S; a
SysFreeString(itemStr);
% M5 l/ ?- I7 N( E请问该程序是获得extend里面的哪个值?
7 [; M! j: F. S7 z2 }+ W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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