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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:
7 N' f. S9 n8 r, c" JName = (WCHAR *) L"Poke";
y: I4 Q; G, x) B* j ! E+ _+ A' Y) N- r& }! v- G
hr = m_pDisp->GetIDsOfNames () T [5 R3 U4 S% C
IID_NULL, // reserved
) R/ @( E' ], f/ X; {/ x &Name, // Array of names to get IDs for( Q q6 L4 Y, [8 `( v
1, // # of names in the array
2 F) w$ w0 D0 w; H- D* Y( [ LOCALE_SYSTEM_DEFAULT, // System locale
9 s- @5 ?$ [1 |1 _: O4 q9 j &pokeID); // Array of IDs to fill on output$ Z! b* X5 K& f/ d1 k: A! l
% @: H7 q9 y6 a* a if (hr)) b# o+ W8 V, }, T) i" J
{
1 M4 z: }1 f0 ?5 `3 I- [. c MessageBox ("Get Poke Unsuccessful");" T' Y z- _2 g& l! J! B& u
return;
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- a6 \0 R& u+ @3 Z/ k4 X" c0 X/**************************传递数据给extend**************************************/
# w3 K; S" S8 o# C& s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 {# \( G0 M* X) ^" Z6 i- o( t
+ j8 I4 i! \9 p: R5 a valueStr = SysAllocString((WCHAR *) L"1232");2 E+ }- G, {4 r( ?7 o# q! `
VariantInit(&pokeVariant[0]); " I' @" E E8 v5 \) z0 ?
pokeVariant[0].vt = VT_BSTR;
9 R- ^4 A+ w! ` pokeVariant[0].bstrVal = valueStr;
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5 y, c' b/ q9 @; e1 I8 u* i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 ]: ^9 ]8 _# V" [ VariantInit(&pokeVariant[1]);
% O6 y5 i! d- M: t; [6 Y; v pokeVariant[1].vt = VT_BSTR; M+ x6 q+ e5 B
pokeVariant[1].bstrVal = itemStr;
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1 E; P) @. D7 D topicStr = SysAllocString((WCHAR *) L"system");
" i0 q2 [2 I/ S. C8 Z. r VariantInit(&pokeVariant[2]); * ?1 Z% P. o U. W
pokeVariant[2].vt = VT_BSTR;: @6 G! O# E2 |- U$ _* |( G
pokeVariant[2].bstrVal = topicStr;6 ~5 }0 w/ E' w/ v; [5 |7 Y0 l
% Z3 d3 p- i) S- N0 f2 m( O// Set the DISPPARAMS structure that holds the variant./ j8 a2 x& w/ p& {
+ H1 k) G' }) s( X7 K
dp.rgvarg = pokeVariant;
# w6 J. S5 N V9 n+ c dp.cArgs = 3;6 v' L- h0 m( i @7 q; m# _
dp.rgdispidNamedArgs = NULL;
, n; ^2 C3 J3 A, R% M; N dp.cNamedArgs = 0;, T% K3 r8 n6 U; S5 `
+ [; h$ l$ N- A; H# _// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(3 y9 W# T8 @) r; f' b5 s
pokeID,
4 f4 B) A% L) M) w2 {% A! f: n IID_NULL,0 P+ S; x% E' } W: h% u
LOCALE_SYSTEM_DEFAULT,2 \" Z U# S- J- k' ?
DISPATCH_METHOD,
7 ^; R2 o3 C7 B. P; y3 l1 w) Y6 N( i &dp,( v3 y: {( p% H& D2 E
NULL,8 M9 G& L2 d! z) o
&ei,
- n) R/ d$ |3 F& c% d; ~ &uiErr);: `" ?) x) @1 c+ B- `: b( b5 C
) @! y$ @7 o0 H0 \4 t SysFreeString(topicStr);
6 v7 D9 Y) g t) L' y: V SysFreeString(itemStr);8 `" ~$ x2 u5 ]" z
SysFreeString(valueStr);
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6 f! g% Z1 H) ^/ d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???
2 a$ b: e# v- f. J. @3 Z" N% Z* D+ C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????' L: x. S& O# e, T
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q; f1 v0 t! c0 b( g6 C$ N! k2.这是request的程序 F. n! v. b3 a$ y# |5 k) j
// Request a value from Extend
; R1 g$ H L4 d9 D# Z& ]. V//
% w# Z/ W; q) Y: X3 L6 K// Initialize the variant that will hold the BSTR. Set the variant's
( K3 x, O% p; W" ^/ ~// type flag to indicate the fact that this variant holds a BSTR. Place the% x! L* B+ I) v% G
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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5 n. U3 N, w7 t7 {) H" W itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# N( K* @' N8 N. V
VariantInit(&requestVariant[0]);
5 q" h& G' i: [# a O1 R9 N requestVariant[0].vt = VT_BSTR;
: G/ Z+ U5 c: {, E6 `9 B$ P requestVariant[0].bstrVal = itemStr;
! d% [# E/ ^0 u7 s$ h4 \$ _: e
: ^+ g# C! n4 [9 R1 B+ F topicStr = SysAllocString((WCHAR *) L"system");
: L4 X& |! L3 ~8 o t: U' |5 T/ N VariantInit(&requestVariant[1]);
8 M5 F0 t0 m! L requestVariant[1].vt = VT_BSTR;
2 e0 j8 L& L3 @ ?% M: J% g requestVariant[1].bstrVal = topicStr;1 }' j; R$ S9 I1 i7 v4 X
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// Set the DISPPARAMS structure that holds the variant.. }5 X! x z% O8 b" Z6 ?. I
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dp2.rgvarg = requestVariant;
% W) n6 F% i+ e# r4 @ m dp2.cArgs = 2;
) n. x7 E. |$ T- c" c! b dp2.rgdispidNamedArgs = NULL;
" _* T: |3 C4 o! K dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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# S, h; [) v' g// Call IDispatch::Invoke()* ~/ a l" _: p% z# {2 f
$ [& J/ e" T0 w# u { hr = m_pDisp->Invoke(; C! a m( A' ?4 `* d8 `; H
requestID,
5 I1 r+ ^9 r/ x IID_NULL,5 k/ @( A0 a3 {; l5 T) k
LOCALE_SYSTEM_DEFAULT,0 X0 X6 \; u* E: e
DISPATCH_METHOD," B( Q w. n7 F& Q
&dp2,% C6 W B7 l5 B$ j% Z: T
&var,
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&uiErr);
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/ L& s, ?) s0 P: T: W& C SysFreeString(topicStr); m1 ` @3 k1 `1 o( [7 m
SysFreeString(itemStr);! C9 q# x4 D) q9 X7 ~
请问该程序是获得extend里面的哪个值?
: ~5 J9 z/ I; F; V. _1 y' z" j. B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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