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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:8 r! t: O: w* r5 b4 M9 a
Name = (WCHAR *) L"Poke";! w# Q6 D. X( p, `
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hr = m_pDisp->GetIDsOfNames (
/ |5 I, X/ D3 Y IID_NULL, // reserved+ P5 L. t; Z' M% f: d: ~+ f* `1 s/ ^7 n
&Name, // Array of names to get IDs for* k2 B+ M N4 J' d& n
1, // # of names in the array0 S: Z' F0 ]) ?" F: e" W! u( U) y
LOCALE_SYSTEM_DEFAULT, // System locale% e& e5 P* E$ j- q
&pokeID); // Array of IDs to fill on output
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1 G; a3 [, H) H if (hr)& q8 X1 u3 n- F" Q# k' ~
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MessageBox ("Get Poke Unsuccessful");
9 I) }. x- p* g7 ^; U1 [; p! { return;
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/**************************传递数据给extend**************************************/1 c# e3 Y; b0 t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
& L w: \6 m- n VariantInit(&pokeVariant[0]);
% a# Q+ I5 n7 j pokeVariant[0].vt = VT_BSTR;. h: @" {( M* S4 D: n% D% x
pokeVariant[0].bstrVal = valueStr;
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6 F( t1 {8 w5 x# K3 }2 ~1 x itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 Q- r+ I3 K( [* ?$ d
VariantInit(&pokeVariant[1]); . E. J+ Z, `9 G( h9 y
pokeVariant[1].vt = VT_BSTR;5 l3 ?6 x% `1 t3 N* M$ d3 g
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& u, s6 i/ A. t; P
VariantInit(&pokeVariant[2]);
; f& U5 `# u3 ^- J7 I& g pokeVariant[2].vt = VT_BSTR; F9 W; G& M+ o1 b j
pokeVariant[2].bstrVal = topicStr;$ i& u7 c- c( S% k, p
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// Set the DISPPARAMS structure that holds the variant./ Q2 j1 J5 h7 k8 M; z9 f
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dp.rgvarg = pokeVariant;* N% P ^6 h3 i5 h* i
dp.cArgs = 3;
; V4 c3 u: P- u8 n% f dp.rgdispidNamedArgs = NULL;
5 j) }3 w% j4 C) d& b9 E, b* \ dp.cNamedArgs = 0;6 t3 n. `6 N7 J4 p
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// Call IDispatch::Invoke()- c- D9 q/ ~: p4 h0 l9 e
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hr = m_pDisp->Invoke(
/ }; C; [6 @3 o& ?+ Z8 D pokeID,
( ^5 A) R; W5 s: x$ |; b9 ]! b IID_NULL,
3 z" n3 D g) [$ D! e6 g LOCALE_SYSTEM_DEFAULT,! f9 q, N7 s) s# o
DISPATCH_METHOD,* p8 K9 w4 D; e0 z& c$ B
&dp,9 s. P% K5 m9 m z6 f! z$ H
NULL,
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&uiErr);6 q# O; i* I: _# |6 b* f- D
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SysFreeString(topicStr);* C. u6 W2 V& {# @! Q$ P
SysFreeString(itemStr);
& J$ W9 r2 `4 f* @9 d SysFreeString(valueStr);3 x9 I8 O% w1 J; V& n" d
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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???7 r5 n. `3 `8 t( 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????
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2.这是request的程序
0 _9 J- i& c! t: r) v) I% }7 z// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's! `+ D: ]5 J$ t$ b2 m O% Q
// type flag to indicate the fact that this variant holds a BSTR. Place the
. X; n: N# Z8 L( I/ s% L4 w5 U8 h// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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, [" |- |* T: W) v4 G. e+ c) D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! S: e3 b- d- X4 E9 Z3 o4 U' _/ m VariantInit(&requestVariant[0]); ) e2 @) ]. |# y' C) G2 G8 s- L
requestVariant[0].vt = VT_BSTR;
2 l, f' t E2 n+ `* U5 C) u3 Q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
) c+ V5 h: I" c8 B( c8 b: ]2 o4 N VariantInit(&requestVariant[1]);
' t$ u% h, ^# _3 w5 J requestVariant[1].vt = VT_BSTR;
9 J; J6 M2 P0 D% Z requestVariant[1].bstrVal = topicStr;- c( p+ [: e# U" U8 ]* J9 K" J
& h% m6 Q+ J9 V- S- i) ~1 U// Set the DISPPARAMS structure that holds the variant.
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% B$ _. j1 }0 P0 s$ I dp2.rgvarg = requestVariant;7 j, R0 e3 a$ v5 t# z
dp2.cArgs = 2;
; ^+ U# v6 ?) X0 C( d, T' ] dp2.rgdispidNamedArgs = NULL;( |" e4 L2 ~ L
dp2.cNamedArgs = 0;
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* @# Y1 m+ j. y" A+ o var.vt = VT_EMPTY;( p; b! |/ u+ b
2 d% g8 _3 `" |; G// Call IDispatch::Invoke()5 M3 ~4 d# B3 d" \
! \& K& |( b1 r# H( Z' o5 B hr = m_pDisp->Invoke(
' Y9 h; a0 \9 f g- r requestID,
& c. x5 i5 o3 Z& ? IID_NULL,
. |7 |- V' z# M) e; j LOCALE_SYSTEM_DEFAULT,
( d b- O/ E8 ?; } E DISPATCH_METHOD,/ ^4 K H. I5 S+ Z9 {; E
&dp2,
# p1 V) j% I1 _9 |- g3 V8 l &var,! W2 C# n, W" ~7 N( V. z$ m! {
&ei,9 p5 p$ b" a6 n0 \& _# `" t" p
&uiErr);3 M% ~9 Z Z4 a
& p# T( e6 C: ~- w8 f# N; C4 z4 [ SysFreeString(topicStr);! o5 V! c p, ?& ~9 E2 Y3 _2 L
SysFreeString(itemStr);7 ~" {! Y; g W" q- M$ ]( P, h: w3 V8 A4 s
请问该程序是获得extend里面的哪个值?
4 x1 ^6 ?3 S3 m% F" ^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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