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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:
% B' l+ x+ @* A" n* g9 m$ W3 WName = (WCHAR *) L"Poke";: _0 V/ ~3 ]+ h) I, y
* t# }- B8 q8 G8 `5 y. R, H0 C hr = m_pDisp->GetIDsOfNames (* z& Q/ N. c _' x w9 Y" k6 f0 |& j
IID_NULL, // reserved8 C5 {) @4 u. S- O
&Name, // Array of names to get IDs for
6 p$ E/ b) U% w0 g& g+ R7 Q2 L5 m, m 1, // # of names in the array
" J$ |4 n8 y) m LOCALE_SYSTEM_DEFAULT, // System locale
. w* ~; L/ r/ F &pokeID); // Array of IDs to fill on output x2 h) A" M8 B9 c6 o
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if (hr)
\( u& K2 b! V& y5 Y {
4 l. x* \: w B, I( A2 r MessageBox ("Get Poke Unsuccessful");. T# n! Q5 A! d | {5 e \9 }
return;) f i- d' Q9 q
}
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/ G- r- E, b1 Q" M* o/**************************传递数据给extend**************************************/
; l4 m& }& O; J& X pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
* _ @& y) Y7 I VariantInit(&pokeVariant[0]);
! Z) r3 c8 ` N& L# F0 h pokeVariant[0].vt = VT_BSTR;
4 P* W7 V7 Q7 _0 ~ u2 r/ U pokeVariant[0].bstrVal = valueStr;6 T; l* k7 P; l4 B" `3 s2 I
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ H% I7 Q* T" H3 P/ B VariantInit(&pokeVariant[1]);
" L8 O* R2 x; F# P* a5 B pokeVariant[1].vt = VT_BSTR;
3 f; _! B( G* ~. C) x. S pokeVariant[1].bstrVal = itemStr;+ i: p2 N4 X0 x
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topicStr = SysAllocString((WCHAR *) L"system");+ a3 o3 b( d6 `9 r6 K5 Z0 d
VariantInit(&pokeVariant[2]); 8 G/ k p+ X! y. ?2 [: E% v
pokeVariant[2].vt = VT_BSTR;3 [7 ^3 y3 i; K# W6 }
pokeVariant[2].bstrVal = topicStr;3 ?( l& j8 I; [& M0 ^2 A! ^$ z4 p
" k O! r& ]5 T6 p// Set the DISPPARAMS structure that holds the variant.6 c" a# K1 B: ~) I. F
% N8 m$ O- n" R* t. V dp.rgvarg = pokeVariant;% N8 Z& a! B1 y d9 A) h
dp.cArgs = 3;
: N- O% T4 y4 H0 }" `/ ` dp.rgdispidNamedArgs = NULL;: _- B: a. l6 P5 @# i0 {& e
dp.cNamedArgs = 0;
# Y4 h; ~3 ^) {3 {8 e* Z* C
% e( Z% h0 h5 F8 B& Z+ a( T; A. D# u# Y. q1 q// Call IDispatch::Invoke()
: h/ Z/ ^6 S6 g* M _
: \0 {) n- C1 g8 `% I" I5 p hr = m_pDisp->Invoke(9 f$ x6 p" W& ]/ e4 F' z* m+ w
pokeID,! ~# W& f% Q+ N" `7 S1 o7 I: U/ X5 {
IID_NULL,9 U2 `! ]! f4 ^' F2 q4 `$ p. J
LOCALE_SYSTEM_DEFAULT,
{6 P! g; s0 x' A DISPATCH_METHOD,6 }2 l3 `. Y9 v# V/ J" Q- ~) D4 l5 e# M
&dp,4 E2 D$ C0 k* `/ I7 U/ `4 I, O d$ J
NULL,
1 y4 e0 h9 _3 k: n* U& b2 Y &ei,! w* s: O9 C: A; \5 D' P' M
&uiErr);
/ U( }8 f& \. n1 f0 w6 ]# S; V8 d+ F6 ~3 y B1 v; T
SysFreeString(topicStr);- Y: s( W G: B" }/ Q o# _
SysFreeString(itemStr);
$ p) ~5 I8 b K SysFreeString(valueStr);
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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???
! L3 P9 j$ W. c' N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& |9 j# X1 L- P/ j4 \
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's1 B" K. Y6 ^" e" i8 f" e
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 r1 R. @+ k) \% F' Y) m2 V7 G// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& f; D9 S7 M1 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, {/ A% n, ]: w9 ~
VariantInit(&requestVariant[0]); / G. H; S! N: y8 Q; H& y
requestVariant[0].vt = VT_BSTR;! u" R$ v8 _2 I9 H
requestVariant[0].bstrVal = itemStr;
4 s" a5 P6 @. t' Q5 A6 o( ~
0 C8 T) t+ V& n3 E# ` topicStr = SysAllocString((WCHAR *) L"system");2 o( r& R) b7 C i# ]4 E
VariantInit(&requestVariant[1]); 1 V w1 C! \ d; j7 v! |1 d
requestVariant[1].vt = VT_BSTR;
" U1 A- V, u$ y' K requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
: R: C6 R! M3 m) M2 e dp2.cArgs = 2;0 r+ m/ B6 o2 s8 J2 T
dp2.rgdispidNamedArgs = NULL;
& Z0 T% ?( }+ X# [5 ~ dp2.cNamedArgs = 0;. g& g6 j/ S; i7 ]2 u' C
0 M2 w F v' D# g7 w: `) R( T& J var.vt = VT_EMPTY;5 ?% B: [1 N2 ?5 K1 w
1 b6 W6 F, d, W Y, e7 {// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(1 M5 P( F3 C. X
requestID,
; F& J$ n& X2 Y' d( `3 h IID_NULL,
* u- T) j9 A- u- ~7 s$ K; f( I LOCALE_SYSTEM_DEFAULT,+ B& j. ?7 [! Q" ?. ] M. k4 Y
DISPATCH_METHOD,% v0 h& s3 b8 E/ a
&dp2,
6 b3 |; i7 l1 m6 u4 s &var,4 K! g c" v0 S0 C/ W9 l+ X
&ei,
6 p* [ T6 t [8 K* } &uiErr);; l7 s. \$ B/ s: [3 E; D0 j
9 n, C! Y3 z$ w4 |4 V# o SysFreeString(topicStr);
9 T% @9 A, p6 `9 z8 G2 |1 y" t SysFreeString(itemStr);! b* ?- }7 { O" a" ?- w
请问该程序是获得extend里面的哪个值?
+ Q& l b; r; h- 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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