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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 q4 d& s* d3 z- m1 k% nName = (WCHAR *) L"Poke";" H# C0 m% G n. [9 n
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hr = m_pDisp->GetIDsOfNames (
+ y7 j% N: C; ^ IID_NULL, // reserved
; {1 J- w# g# Z* X# d &Name, // Array of names to get IDs for8 S5 e1 ], l$ Q* F2 q( h) `
1, // # of names in the array
7 {. X& F' s& Q5 j6 q LOCALE_SYSTEM_DEFAULT, // System locale
$ D F9 ~1 E& L" E &pokeID); // Array of IDs to fill on output" w2 i- i$ h* [* h4 s/ K P6 F
0 B; ^7 l/ F; m+ I# z# K, I! F if (hr)
5 j( Z# x$ ^/ ^4 c6 _+ U1 v {
' o0 }0 x! V' T+ {# F+ P MessageBox ("Get Poke Unsuccessful");
+ d; R8 Z4 ]3 D* z+ q. b9 Y4 L return;
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* r4 D/ G6 H0 R% b9 c, G0 S/**************************传递数据给extend**************************************/; _, x F4 N# g P+ K* b; D @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' E# n& h# _) _( ~ w
2 w+ E' z4 o: }; o; C
valueStr = SysAllocString((WCHAR *) L"1232");
/ H5 y0 H- ~0 B3 C VariantInit(&pokeVariant[0]); + E9 t* D$ E4 a' V
pokeVariant[0].vt = VT_BSTR;" h+ f; T* \% A' G( k1 V
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' m8 @' S7 ^9 c: g1 Q
VariantInit(&pokeVariant[1]);
, O6 o" r* R, B. M/ m pokeVariant[1].vt = VT_BSTR;
! w$ S! n8 W( G! z O2 @ pokeVariant[1].bstrVal = itemStr;
) {( \! I# o2 t8 _% s% d! {
0 t) f+ T) R& g' p, b- m* A- b. j topicStr = SysAllocString((WCHAR *) L"system");
- _# L3 q1 m f7 F, f+ f VariantInit(&pokeVariant[2]);
+ V' r9 U% _4 O9 ^5 E$ [6 x* ` pokeVariant[2].vt = VT_BSTR;1 {$ g7 e# N6 k2 y; J3 {: i2 B' c% B
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* `0 f0 C$ A% \
+ \( e( c0 Z9 ~1 H; O- H3 L. z dp.rgvarg = pokeVariant;
1 T v# ~2 g1 Q6 b6 w4 z dp.cArgs = 3;
- F3 U9 ~; v: h dp.rgdispidNamedArgs = NULL;( }* g) |" O# A! @6 T
dp.cNamedArgs = 0;* Z. ?9 f& h7 f
' n/ T( j. L0 a, M% y// Call IDispatch::Invoke()- S' e4 K M4 U; B! K- V/ x6 j5 H
+ m, L& Z" o/ ~' U! T) Q hr = m_pDisp->Invoke(
' M0 ]) Z5 [6 R/ X pokeID,9 G# x {6 y" n4 Q
IID_NULL,8 p3 C F) w* N' p1 L* _
LOCALE_SYSTEM_DEFAULT,1 P7 U2 J- L; R& }6 E9 Z
DISPATCH_METHOD, V- W8 \2 D0 C& x, h" b7 ?
&dp,; K1 B2 h* }0 a) R$ g( o" d9 P# E
NULL,
0 u- |# ]9 B7 D$ ?: } b! w2 x &ei,$ b% W4 j7 O$ s; l! q
&uiErr);
- ^& U' n. k2 W3 O
4 s8 G: L5 B' U SysFreeString(topicStr);
& p6 n" n4 J' g( i SysFreeString(itemStr);9 e+ g( v. r3 D6 |' u' F
SysFreeString(valueStr);3 W/ ~: M$ N' N. B$ V9 K
8 O S+ O/ Y) ]3 G2 J: o/ ]6 z1 k) c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???/ d5 ]! G d& {- h$ d
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????
2 d6 f4 g1 Z% |5 g2 q7 B5 N2 O0 B8 _) e6 R6 Y/ @& L+ K
: [* Z' b! K9 M! y$ l( n) U( ?
2.这是request的程序
8 o% F2 U6 ]2 M* c6 b$ J0 ~2 A// Request a value from Extend1 r9 L D. e4 ~- P8 S3 j
//
, v. Y; C9 d& B1 r8 f& O) N# @// Initialize the variant that will hold the BSTR. Set the variant's5 u- n) |7 [' O1 h' T! ~
// type flag to indicate the fact that this variant holds a BSTR. Place the" F2 V% i, \5 @
// BSTR into the variant structure.
S, W" |" f. A" ?2 J- ~9 v3 f k1 K/ r9 r$ j7 k+ A" e0 ^
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ p3 n2 A, }8 h7 P% V; u3 B5 W S8 ^: @2 ]: K/ G6 t3 w* j. Q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: y) g* d) m' t: ^$ [
VariantInit(&requestVariant[0]); 0 H7 `" p" c* u# V" X: _
requestVariant[0].vt = VT_BSTR;
5 x$ U$ Q- x+ N requestVariant[0].bstrVal = itemStr;- @/ [ i: M% Q6 C$ x+ S
* a5 ~& b D2 ^, F
topicStr = SysAllocString((WCHAR *) L"system");- A( L8 M& l/ B0 i
VariantInit(&requestVariant[1]);
1 w [1 l" r0 M/ H% c% v4 I+ Y requestVariant[1].vt = VT_BSTR;
7 F1 Y# p& r3 O: `, X; F d, T requestVariant[1].bstrVal = topicStr;# ?$ M# n! }9 y6 A' p% V
# B& c5 D+ F; i0 ~2 P* I6 k
// Set the DISPPARAMS structure that holds the variant.
; H! i, v, @/ j A6 N' z
8 `8 F/ ~7 t& u' J$ A dp2.rgvarg = requestVariant;+ g& t: G1 g0 I$ s2 g7 P
dp2.cArgs = 2;
: p e; p% z5 _6 ^5 V1 H& s# I dp2.rgdispidNamedArgs = NULL;
; g4 k7 i" T7 a2 u( o9 F% X! r. l dp2.cNamedArgs = 0;2 x/ v% L' W; K* b
& f% u# I- g" Q5 h, V! ?% g var.vt = VT_EMPTY;& C! V# A2 J" }- x' x
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// Call IDispatch::Invoke()7 O1 D- n& M4 o: S/ W. W' L
; ?6 z1 w' ^2 v
hr = m_pDisp->Invoke(
3 P7 f: U( I; ?: A( s2 Q" j requestID,
7 j# `& D8 @- ^' @) S IID_NULL,. r, Q- B& _- L# i4 k* O9 X7 m
LOCALE_SYSTEM_DEFAULT,, J* @" @6 Z) w `* s
DISPATCH_METHOD,
4 p6 b( N. k2 @6 O, x$ o6 m &dp2,
& {6 }% ^7 i1 e+ Q$ c3 O &var,
7 c" w8 I( l2 p) D/ F/ Y5 `9 W &ei," j1 _2 ]* n. G0 A6 @3 F5 x
&uiErr);
( }% x' n; W$ e# g
" T: H: _' `) l& l SysFreeString(topicStr);
3 V& y5 W" v% V& v/ w1 I SysFreeString(itemStr);; @9 r b' K3 z# X/ U# d6 ^
请问该程序是获得extend里面的哪个值?
) k" Z+ W# U4 t4 n7 N3 D; n7 \! o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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