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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:; C; w6 O; U# Y0 o9 y4 w
Name = (WCHAR *) L"Poke";
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6 v/ j, x' `5 m8 V# b) _ hr = m_pDisp->GetIDsOfNames (: o# t: a/ u6 r
IID_NULL, // reserved
2 d0 P1 L* [0 ?3 ^9 q% Y1 H1 K &Name, // Array of names to get IDs for' m, m9 R; ?/ V7 R& Z. c: T1 [
1, // # of names in the array
) p3 N- F# D8 R. g, D7 h LOCALE_SYSTEM_DEFAULT, // System locale
- q6 `# r( \* J &pokeID); // Array of IDs to fill on output' U0 J7 F; o, Z4 ], n+ V0 T X
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if (hr)* S5 d- d; h/ ?
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MessageBox ("Get Poke Unsuccessful");
( w' B& |" f Z2 X return;
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/**************************传递数据给extend**************************************/
( ~5 I2 q4 O& m( _( b5 \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);8 R- G; q5 W6 h
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valueStr = SysAllocString((WCHAR *) L"1232");
8 K, X' ]* Z2 ]+ l s VariantInit(&pokeVariant[0]);
) p0 ^% n W- D# [$ o3 v pokeVariant[0].vt = VT_BSTR;
; o1 S; R/ x u1 ?, R' F. _ pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ E z/ h9 l" ]& [9 ` VariantInit(&pokeVariant[1]); 0 ~; A5 [$ E2 t% {
pokeVariant[1].vt = VT_BSTR;
4 h, |' ^! K+ t; @( b pokeVariant[1].bstrVal = itemStr;
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, F0 T/ [: s3 l/ _* a' s topicStr = SysAllocString((WCHAR *) L"system");# g& S& A! j+ t( o$ {
VariantInit(&pokeVariant[2]);
. A+ E+ F* R% a pokeVariant[2].vt = VT_BSTR;: l3 u# b6 ?# R
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ ^& }4 l" j* g1 i3 s" D
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dp.rgvarg = pokeVariant;
+ {' r* W2 o( V$ k- c( X dp.cArgs = 3;( L! A3 M7 {% q* O8 y, d3 {: P% |
dp.rgdispidNamedArgs = NULL;
0 S: Y$ l* R9 X- ? dp.cNamedArgs = 0;
6 R, {7 B' o7 V
! m* O6 O4 Z% y) y- i9 S1 x" d. h// Call IDispatch::Invoke()8 I" g; o1 K1 z6 Y/ U
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hr = m_pDisp->Invoke(
j$ c$ k7 G+ n pokeID,
' L! r v. ^8 v" O. W IID_NULL,+ Z" F( k& H, v3 I h
LOCALE_SYSTEM_DEFAULT,, R% b) y! J7 ~" R Q
DISPATCH_METHOD,
7 O9 O2 p* j: i' t &dp,
6 H, H/ Q7 J% f7 W( H( \ NULL,
; W+ e9 v0 ]2 W" h &ei,3 a4 g8 \# z7 x z& u J. [+ ~
&uiErr);( q) `+ @% v# O! {
; i9 F2 U8 T6 O- ]: T SysFreeString(topicStr);+ t3 ]$ d5 T; T$ N: V& F! v
SysFreeString(itemStr);
$ f7 ?4 l; P5 Y SysFreeString(valueStr);* }/ B5 c0 g% B+ f, @
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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???3 e* [3 \5 o. l8 y# @: g
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????5 T8 t) u% L# m ?$ T4 `
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2.这是request的程序$ Z6 Y1 @3 `. G9 U" B2 u
// Request a value from Extend# [' d" ]3 L3 F/ j& O
//( O& p/ h. ~: B0 h: ^
// Initialize the variant that will hold the BSTR. Set the variant's, p7 U. r. K2 r0 h, Y
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 [8 r. U6 z# w% |& Y// BSTR into the variant structure.
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5 a4 \) Y7 y" T$ B% g$ f requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" ]# _4 U9 D7 z" e( ]+ E/ I; ?+ t5 M7 @& \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( w/ _$ I$ B j# G
VariantInit(&requestVariant[0]);
- V3 o8 f8 O4 P requestVariant[0].vt = VT_BSTR;$ Y# j4 C( E5 ?+ u
requestVariant[0].bstrVal = itemStr;
) [* n1 q; j4 U8 ?+ m% ^* G# X& \% ]
topicStr = SysAllocString((WCHAR *) L"system");
3 W1 N3 w& M/ k) y; k VariantInit(&requestVariant[1]);
0 F3 A% S9 T9 D requestVariant[1].vt = VT_BSTR;
4 N1 w/ E6 i5 j1 [9 Z7 K- Q; ~: v1 | requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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! q |9 g% }- @6 g% j dp2.rgvarg = requestVariant;; G7 F$ P" _! @6 M: M& s; u
dp2.cArgs = 2;
; ?" ~* w+ ]) t8 I* R" }, k% L ?5 R dp2.rgdispidNamedArgs = NULL;% w+ C) E( F* J7 D0 K
dp2.cNamedArgs = 0;, B. M$ Q# Q9 s
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 `6 k' F" u/ u* b
/ Q9 \2 {: B3 G3 Y- E hr = m_pDisp->Invoke(# t A5 t7 D" J
requestID,# z# Z+ w4 V g) |
IID_NULL,& i k) s- o' d) ]9 I
LOCALE_SYSTEM_DEFAULT,% n" e2 d/ X0 ~5 I. J4 |( c
DISPATCH_METHOD,) ]+ S `% S- `+ x# m7 c+ P8 g
&dp2,
- e% p8 S; O* t7 o A/ ~# ] &var,
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&uiErr);
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SysFreeString(topicStr);
; ^9 k1 B4 a! P7 a( t SysFreeString(itemStr);7 H. y! v; y6 F! {. W1 S# s) n
请问该程序是获得extend里面的哪个值?
7 I- j" p# l; ~9 _6 n# I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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