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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:" S9 B4 @) M4 K# N: O4 x6 f
Name = (WCHAR *) L"Poke";. P; F# [) x& X# t
: E6 P* q) a: N/ ]: Q3 k1 [" S4 i9 ? hr = m_pDisp->GetIDsOfNames (1 c' g, R# `9 ]+ g
IID_NULL, // reserved
# X; i+ G0 p- s &Name, // Array of names to get IDs for
1 Q6 ^/ W- C" S2 {5 H& l 1, // # of names in the array
" V9 X) F. c* W/ }9 s* Z% z LOCALE_SYSTEM_DEFAULT, // System locale
1 ?+ j$ w/ j& `& ` &pokeID); // Array of IDs to fill on output6 _5 G; G* t5 L9 p0 x( c {
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if (hr)2 q8 O3 I2 m- S/ K' u
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MessageBox ("Get Poke Unsuccessful");. B* x5 M8 I/ j* E+ v
return;
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/**************************传递数据给extend**************************************/6 b A! P" N7 m, S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, j) Q, `7 ]7 }% H
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valueStr = SysAllocString((WCHAR *) L"1232");
$ f' f) @ g8 v/ w VariantInit(&pokeVariant[0]); ( o* j2 i4 o( }% ~$ T
pokeVariant[0].vt = VT_BSTR;+ h* n8 ?5 F, `& W0 C
pokeVariant[0].bstrVal = valueStr;' \- j; J! S3 G, |+ p; Q
( q# |- C3 r6 {# ^1 H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. A& [5 z5 U+ B4 f' i VariantInit(&pokeVariant[1]);
" Z2 C8 K" `5 V4 U pokeVariant[1].vt = VT_BSTR;* h* y* p$ M+ J ]/ l
pokeVariant[1].bstrVal = itemStr;$ t e. h' R& }; Z2 _9 _% f
2 Y1 W6 P: r- c; m( U topicStr = SysAllocString((WCHAR *) L"system");
1 D, v, f' I+ M3 l8 ` VariantInit(&pokeVariant[2]); : i d8 }6 j# X! @2 |/ _9 G$ g4 H
pokeVariant[2].vt = VT_BSTR;) b5 Z8 E* f# E1 W6 _0 \6 h9 [
pokeVariant[2].bstrVal = topicStr;
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( \) {5 B4 s+ v$ G9 c8 R1 g// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
# `' h* `% Y! P/ K5 V" } T/ R$ [* | dp.cArgs = 3;3 a8 Y1 o `& W: ]. _4 ]( ]' w( ~3 N
dp.rgdispidNamedArgs = NULL;9 B) `. j6 o' c
dp.cNamedArgs = 0;
3 [% v. D: f3 ^0 K) T$ E
8 U& f! K$ g* `" i' y" x$ i# i// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% E: F& P$ b3 b) d" Q7 b pokeID,; @; T% ]* m1 g2 T
IID_NULL,1 ^5 V! {8 M" q* ~8 y
LOCALE_SYSTEM_DEFAULT,+ }* e2 e9 D0 \9 X+ H }, X1 w
DISPATCH_METHOD," W7 f0 ]* j; i
&dp,
# Y6 h+ y* r, {" `- c, l/ q& _ NULL,9 y {) F4 ~/ Q
&ei,1 Y/ z' v3 E! W! t: ^
&uiErr);0 O1 E6 Z, I# u g, F
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SysFreeString(topicStr);
* u3 m+ u- m- L. c3 U9 b6 N4 ^. z7 \ SysFreeString(itemStr); `. @+ \/ g- b
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???. g3 V9 \/ O& q* ? g+ f
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
* A* x6 f' [7 U// Request a value from Extend
0 e k3 q3 z+ w//
/ N5 q2 F, s7 p' L. Z// Initialize the variant that will hold the BSTR. Set the variant's8 w. {) D" X. P, ]2 _# i. u+ ~1 G
// type flag to indicate the fact that this variant holds a BSTR. Place the# B) S/ q3 \, V5 w" s* E9 z6 i* m
// BSTR into the variant structure.
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8 W+ z7 P3 \; B* P. u3 E- k0 ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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* O/ f+ w# \- G) g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ G# D0 h7 p& w. n! j VariantInit(&requestVariant[0]);
& D( K& s1 A; ~( U: n/ L1 C9 K requestVariant[0].vt = VT_BSTR;" b+ m/ C) V8 w. K3 A
requestVariant[0].bstrVal = itemStr;+ i, G0 f7 e3 O) t: ~: [
& S5 V1 N% K, ]. \' U topicStr = SysAllocString((WCHAR *) L"system");" u) @7 z. j- ]/ f
VariantInit(&requestVariant[1]); # U! x3 d+ H$ E
requestVariant[1].vt = VT_BSTR;
! k; ^5 i. G9 c. q requestVariant[1].bstrVal = topicStr;
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. y$ f; N9 Z3 G; a9 ?6 T4 j1 W: d// Set the DISPPARAMS structure that holds the variant.% t# ?" w& ^! u, n& J# c' b0 _
. T+ A4 ~. Q# R2 d, X! R dp2.rgvarg = requestVariant;( f( }8 I9 k7 E# l+ Y
dp2.cArgs = 2;
: W1 H7 H( W, d$ E, a. n dp2.rgdispidNamedArgs = NULL;( h) s6 h; Y; o% M2 ]
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;1 {& g7 D3 j2 t0 x1 P6 a6 B- c
! a. w6 ?, v3 H( y* Q0 |7 L// Call IDispatch::Invoke()
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3 l) b6 E: o5 Q1 ^/ z hr = m_pDisp->Invoke(% y3 S* g0 o8 i
requestID,
) `3 o( S3 K6 S( I! R- f& [ IID_NULL,
& w1 _$ K9 N# ~ LOCALE_SYSTEM_DEFAULT,5 ?; {# `) }# i& ]' a( h
DISPATCH_METHOD,
+ R5 K1 m. ~8 Y &dp2,
& ^) T) S" k* w &var,0 {* s- R5 ?) b. z' e: f$ W
&ei,
}# m' o, K; j& i7 c &uiErr);' g) j1 V4 H, Y3 ~1 m
1 P' S2 t( |& Q+ L, k+ G/ }, q! S2 B SysFreeString(topicStr);, f s) W6 I8 M. {% Q. |7 a. o
SysFreeString(itemStr);: }$ }' y5 \% K6 b
请问该程序是获得extend里面的哪个值?
, c. Z) y& g" Q/ ~2 m' s, R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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