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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 ^: p" ]4 w: D) @
Name = (WCHAR *) L"Poke";
- [( \: B' c) R9 S+ | 0 a: D% _. o& F! X" ^
hr = m_pDisp->GetIDsOfNames (
& x- K- l, o6 n* D IID_NULL, // reserved
$ e! u. G/ T) e7 N. J) P &Name, // Array of names to get IDs for- n# i6 L: e5 K
1, // # of names in the array
% p& @# c$ I w2 r _# Y) F& C LOCALE_SYSTEM_DEFAULT, // System locale2 k# w" p# N- F0 i2 J5 s
&pokeID); // Array of IDs to fill on output X7 O Z7 s1 b% U
; Q' S/ P4 v- Q2 B' c3 T, r1 @
if (hr)- U+ F( g$ E: K: J
{+ D9 C5 c* K8 _: S) @$ O
MessageBox ("Get Poke Unsuccessful");0 ~$ B/ X- @* g9 K* Y
return;* ` h& X- Z4 U- K% V
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/**************************传递数据给extend**************************************// p0 @ r( P" ?
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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' W3 y0 L5 R: I% f3 o5 v+ D valueStr = SysAllocString((WCHAR *) L"1232");% y I, M. z5 ?( P! m8 E: I
VariantInit(&pokeVariant[0]);
2 M& q2 z: f6 s- D+ K' J# o pokeVariant[0].vt = VT_BSTR;
9 g, k1 t: F, c* k. o pokeVariant[0].bstrVal = valueStr;4 D/ Y/ j0 V9 C4 z) \ b/ ]; f
S- f( m# z$ m
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( m$ s# [- { l' d$ V9 U
VariantInit(&pokeVariant[1]);
7 |) ?5 P5 ^+ g, {$ ]+ {$ n pokeVariant[1].vt = VT_BSTR;
) O5 s3 f) f% O, m* A- E pokeVariant[1].bstrVal = itemStr;+ q8 j( u7 @: l
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topicStr = SysAllocString((WCHAR *) L"system");
% K' c+ i# S* _ N+ ^ VariantInit(&pokeVariant[2]); / q0 a. |, t1 G- M( @4 X
pokeVariant[2].vt = VT_BSTR;
6 q# v l) W9 M! s$ v pokeVariant[2].bstrVal = topicStr;& Y3 Z9 R! v. B: G/ W$ B
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// Set the DISPPARAMS structure that holds the variant.& i# _' y" Y! e2 B3 P- L. R+ ~
1 u* R' p$ m! {) g1 `( [ dp.rgvarg = pokeVariant;
$ S; o6 t0 g# W. }9 w dp.cArgs = 3;* a! B ?) G9 `( }5 c) b- p1 a4 D
dp.rgdispidNamedArgs = NULL;. m6 z0 \% b) ~/ G( V
dp.cNamedArgs = 0;
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3 R( A9 f0 ^9 v. _# x9 ?/ T$ |// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(9 g7 P% ]/ ]" O9 U: \. [, y, f
pokeID,2 `2 {( `: i, O8 y/ o4 O2 i( |
IID_NULL,/ ?1 {( ]# w. V+ \3 E& ?- G" ?
LOCALE_SYSTEM_DEFAULT,
9 `1 E# {8 X# C! q+ s/ l0 C+ | DISPATCH_METHOD,( R0 x; s3 a) M4 s$ f' Y9 h
&dp,
; a: F7 E& C6 G$ j6 q4 u5 _" b NULL,4 f8 w8 N. n$ v+ h, q5 L; ~1 ^
&ei,
7 {7 l/ I) ~* {" t) h &uiErr);
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SysFreeString(topicStr);
. W4 Z( \* j1 Q% U n+ T0 C SysFreeString(itemStr);, A: m2 Z% O& ?
SysFreeString(valueStr);9 g* z6 g c% Z4 W) q
4 X" X/ G* {2 G# V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???
4 Q, W1 b9 D: E9 |; v1 [8 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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. c$ b& v4 E1 J1 E2.这是request的程序
. y2 [, z$ U# a4 L// Request a value from Extend
3 y: a/ \# T0 W) v7 |; O//
; D# g$ J8 ]# \- a$ ^// Initialize the variant that will hold the BSTR. Set the variant's/ y' a; Q! N/ P4 T: A0 J9 i
// type flag to indicate the fact that this variant holds a BSTR. Place the! s0 R" s" W. ]" U F% `
// BSTR into the variant structure.
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; P$ u% E( i+ K( A* P. H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& Y* Z3 e( F, K5 h9 w. P' @( C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( l0 N q4 j- l- ?, L6 ?; O/ \ VariantInit(&requestVariant[0]);
& C0 ]7 U( n3 ?' p* Z' b requestVariant[0].vt = VT_BSTR;* R: w( o) Y4 F1 L
requestVariant[0].bstrVal = itemStr;$ u J! h" P$ A/ w7 j5 R& |+ D
- C0 P; ` U+ w# y5 e. r; d topicStr = SysAllocString((WCHAR *) L"system");
0 X8 v5 n4 o9 W: q9 m6 B+ Q VariantInit(&requestVariant[1]);
$ `' j: y7 S+ Q, B$ B% h- p requestVariant[1].vt = VT_BSTR;0 y+ t% Q3 R' M, X! L% O
requestVariant[1].bstrVal = topicStr;
Q, A$ C! F6 U
6 M2 I1 c/ i' r% c1 M7 I$ t5 B// Set the DISPPARAMS structure that holds the variant.) b6 F: N- O6 t
1 \; s/ i. k7 P/ h1 X dp2.rgvarg = requestVariant;
; J1 O" Q: j6 W, v. k' b dp2.cArgs = 2;3 m3 x& }% P* q2 z
dp2.rgdispidNamedArgs = NULL;" j) v8 `$ E' w, B/ w. R: Q& @
dp2.cNamedArgs = 0;6 ]" Z. x9 I$ ]8 y+ `
3 H& g% N& K2 ^, D var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()( j3 J: j6 J% J0 H7 Y& i5 W. A
) O. R% ]6 ~# ^& W H hr = m_pDisp->Invoke(
7 w; N/ P2 N1 T" u5 I requestID,0 C- e3 D8 C3 R
IID_NULL,
0 y2 [0 e; [: N4 l LOCALE_SYSTEM_DEFAULT,
% N4 B, x1 l; c" b! k$ j& \ DISPATCH_METHOD,
6 M4 t3 I5 O _& x) D8 O! I- P &dp2,
2 n7 S' _7 {1 b E4 F" \ &var,1 ~9 }3 y G! w! a* b: C( p
&ei," a0 V: I8 b* v* T
&uiErr);
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. {9 y% }5 b6 d$ f( E SysFreeString(topicStr);
& }% ~( ~1 X/ W2 }$ @ SysFreeString(itemStr);2 P0 c D) k. s4 I9 c
请问该程序是获得extend里面的哪个值?; C( S( D* Y) ]) R2 `; }
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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