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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:- w: K6 ~8 x( H5 H) E
Name = (WCHAR *) L"Poke";
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$ Y( K8 o O) I2 L3 ~/ W hr = m_pDisp->GetIDsOfNames ($ V; J9 C1 C7 e- @- c6 y# q- ~
IID_NULL, // reserved
. \) w% N4 M5 m; [) r3 G2 R &Name, // Array of names to get IDs for
: J7 j+ V( J4 z% X/ Z8 J5 D 1, // # of names in the array6 a; ~: d; t. G- {0 k; N
LOCALE_SYSTEM_DEFAULT, // System locale6 P5 S( N; O5 w6 c1 h0 e# r
&pokeID); // Array of IDs to fill on output8 d$ t% H5 |- J/ J2 O4 K+ P
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if (hr)% ~7 \" T0 y7 ~
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MessageBox ("Get Poke Unsuccessful");
' d& y% ~) r0 `" X' h# X$ c( p& ]+ y/ c4 l return;
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! w" @3 }4 |2 g F/**************************传递数据给extend**************************************/7 r0 E2 G0 p: C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, c4 G: D; k0 ?; u& j3 ]
( ]% f4 o0 D' n' F$ U5 Z valueStr = SysAllocString((WCHAR *) L"1232");* i. W: k. [" g% a: q0 @/ t" J
VariantInit(&pokeVariant[0]); ! t/ P0 I- _# |
pokeVariant[0].vt = VT_BSTR;
& M5 `& \' c# L: g' r# v* { pokeVariant[0].bstrVal = valueStr;
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4 y4 h! v- J* x5 V7 Y, @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 Q/ O/ j0 b8 l3 D
VariantInit(&pokeVariant[1]);
o9 A% S: `4 T: H3 Y$ ~& B- C pokeVariant[1].vt = VT_BSTR;+ b! Z7 b( c2 x& _; |$ y
pokeVariant[1].bstrVal = itemStr;
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- j/ M: I2 E/ F- V) { topicStr = SysAllocString((WCHAR *) L"system");
# ^+ ?" r4 W+ D4 j VariantInit(&pokeVariant[2]);
9 y/ V% G* {/ N2 p0 L* U$ @ pokeVariant[2].vt = VT_BSTR;- N4 R$ q' l+ p1 b; x
pokeVariant[2].bstrVal = topicStr;
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- ]1 J3 [$ T- A1 G: h. O7 x// Set the DISPPARAMS structure that holds the variant.. l4 c# q9 s$ Z- C8 Q
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dp.rgvarg = pokeVariant;
) U3 T% A& s O/ A dp.cArgs = 3;
7 o8 f" ^2 G* k) F$ f* ^4 ]2 G dp.rgdispidNamedArgs = NULL;
; U% _; R& y) {. W5 a dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()& z. k2 ]& q" ^5 |& w1 C" c
7 f! o: `5 D% w# o, _ hr = m_pDisp->Invoke(
5 W) Q) N2 X% y5 C" @7 q" x pokeID,
; a) g. L3 S, {$ |) f4 s$ F2 s IID_NULL,
@% ?) \# \. a9 q LOCALE_SYSTEM_DEFAULT,3 B/ J* E; z$ g
DISPATCH_METHOD,
" I0 }# G0 J* ^* B+ V ]! e' g2 z; j &dp,
/ H* a$ O& f4 a0 h- I, ^# C NULL,8 I/ p3 x& L6 j4 t( P
&ei, }) o9 i' h8 s# j- e6 [, s
&uiErr);
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SysFreeString(topicStr);0 I% M6 c Y, V+ E F9 Y P
SysFreeString(itemStr);
0 |" H5 @/ V% \$ r" m SysFreeString(valueStr);
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) I5 K$ t9 g# e' i8 } d/ T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???
& A# d/ H5 L0 Q5 w# P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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% W" O6 ]6 A7 _ c I2.这是request的程序
& |7 S& O# p* q. h// Request a value from Extend) H5 T& d: V0 h: _ C, L
//7 V9 ?0 j* c# T9 I2 G
// Initialize the variant that will hold the BSTR. Set the variant's) D/ a" h* S; L( N5 Q2 ?/ A, q1 I
// type flag to indicate the fact that this variant holds a BSTR. Place the; k" R9 F: s; l8 k
// BSTR into the variant structure.
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1 o- j( a$ S* k. ^/ X8 C requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 L& v0 Y' O" _; g+ R& [ VariantInit(&requestVariant[0]);
3 b( y5 _* S& }4 Q' J$ e requestVariant[0].vt = VT_BSTR;
) s. U# x% |, _4 l% d3 k2 y requestVariant[0].bstrVal = itemStr;" b% i+ [8 Q! i3 B7 k
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topicStr = SysAllocString((WCHAR *) L"system");
- z& P: S8 D9 w8 t1 p. q VariantInit(&requestVariant[1]);
* b8 |* V2 D$ b requestVariant[1].vt = VT_BSTR;. {; c& K. L* x0 l# ]
requestVariant[1].bstrVal = topicStr;
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2 d3 C6 j" b6 ~/ w1 h// Set the DISPPARAMS structure that holds the variant.$ `% X: g4 V# F0 T- h: M2 @, ~! A# a, {
" L0 V+ R9 s# s3 O R, w dp2.rgvarg = requestVariant;
' V) ~3 h4 @+ P% e. g& z" U dp2.cArgs = 2;
1 Z# Q! f# L; x' ] dp2.rgdispidNamedArgs = NULL;$ E% v# g3 g9 X5 g: W
dp2.cNamedArgs = 0;( G! l) ~. p3 B$ o3 _2 E" e8 U( x
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var.vt = VT_EMPTY;
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; W: z) Q" Y8 J( ?9 A// Call IDispatch::Invoke()
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9 v0 I% e" v$ l4 _! m4 j0 p hr = m_pDisp->Invoke(7 h- H, K" r% R; I: [8 L- h4 |$ M
requestID,
+ Z8 U2 [* I' L3 K9 | IID_NULL,6 m9 t; h3 t, T$ ]
LOCALE_SYSTEM_DEFAULT,
7 D+ T* h0 m# E7 j DISPATCH_METHOD,0 S. D7 ~6 O% a( C H
&dp2,
6 l4 e' r* ]& { v: c+ m &var,# `" I C/ ` k7 ^0 k: ?9 b: A- E
&ei,
% a9 I8 [5 A" T &uiErr); H/ c; Y* D1 h6 R* N) h! p
: e0 X4 @# j( F! m, d6 k, \ SysFreeString(topicStr);0 t$ g( u$ ~- A3 q1 J* C
SysFreeString(itemStr);
* J9 X6 H. T; n) d+ e请问该程序是获得extend里面的哪个值?
' X6 Q4 p9 y, X3 }3 W& x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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