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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:$ `/ u( l" D( Y- c- B# \ [
Name = (WCHAR *) L"Poke";( m) M5 t; {; l/ y
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hr = m_pDisp->GetIDsOfNames (" ~" h% r" E" Y2 f0 e8 T/ V
IID_NULL, // reserved9 Q$ u7 n6 ?) u
&Name, // Array of names to get IDs for- \$ O, h, |. S# P$ Z9 K( } _
1, // # of names in the array
4 b( q9 t' U0 I9 t M+ y LOCALE_SYSTEM_DEFAULT, // System locale* K0 T0 G) l' r7 X8 R
&pokeID); // Array of IDs to fill on output7 H' R/ V2 g0 y( X
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if (hr)& E2 Q: ^ L' u: g$ o1 E: q
{
9 k8 p( U* }$ [7 v MessageBox ("Get Poke Unsuccessful");
2 u, g# s8 d4 } return; O! Z' v0 t: ?9 z" T$ `
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- H& s& r4 D) `- k/**************************传递数据给extend**************************************/6 f4 L3 X( S& e
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");, A. G0 Q! o7 r8 |
VariantInit(&pokeVariant[0]);
& T2 n/ ]0 z, e1 z pokeVariant[0].vt = VT_BSTR;1 |$ T) J) \. ` h
pokeVariant[0].bstrVal = valueStr;# p8 u+ m$ @4 c; [+ H
* ^( A- y Q2 W3 p9 J" e4 @( v: ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; G- V# ?7 U9 h( ^ VariantInit(&pokeVariant[1]); " q e4 @( Y+ l$ x
pokeVariant[1].vt = VT_BSTR;
8 `3 T$ T( G+ W% d+ @" I pokeVariant[1].bstrVal = itemStr;9 ?% L( T4 V9 j* Q2 k
* X) D0 n' V. V topicStr = SysAllocString((WCHAR *) L"system");* Q! E. V' ]3 U/ M" I; Z
VariantInit(&pokeVariant[2]); : ?$ Y5 G$ [8 D- N( e
pokeVariant[2].vt = VT_BSTR;
* ~! C: k9 J' }6 l z" H+ T2 i pokeVariant[2].bstrVal = topicStr;( L3 s- d- j# V7 t: L: h
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// Set the DISPPARAMS structure that holds the variant.
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8 @9 u' M& b) L$ x dp.rgvarg = pokeVariant;9 Y& }. O5 K: G) s9 w" f
dp.cArgs = 3;
4 E0 I2 @. g+ F+ O: r+ \. ^+ y; ~ dp.rgdispidNamedArgs = NULL;' e& O, X) L4 b; X4 K) a6 A4 o
dp.cNamedArgs = 0;* O$ f2 u! v8 [! b& R$ k" S1 _
+ n2 m; R' Y( `+ ?6 f
// Call IDispatch::Invoke()3 ?: @+ b a/ W9 m: b
t& a9 q, `- v6 U" d" x+ U# q! e hr = m_pDisp->Invoke(! H3 N9 A+ \% q& T
pokeID,
3 t& F7 s! f6 y4 s! g! _! K2 @ IID_NULL,
5 u+ P7 q4 K% d1 A+ d LOCALE_SYSTEM_DEFAULT,
" a9 [+ h8 n7 z+ P DISPATCH_METHOD,% _9 m4 P! {# j$ z0 [" m% k
&dp,
1 O1 a) L2 g0 l m5 h( ^ NULL,
1 }6 T* o& W" o2 \0 ], u &ei,; Z# `' d9 n7 x
&uiErr);/ y4 X5 y3 ?0 m$ s) `5 k/ P9 _
% i k; J8 g" W+ `% O# \
SysFreeString(topicStr);# E8 Y9 p8 f7 n, ?5 T# F
SysFreeString(itemStr);
" E$ Q1 ?2 R* P SysFreeString(valueStr);
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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???
) Q8 `* e$ H2 F% F' \6 [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9 B; C% l$ P" H+ G3 b+ Z
// Request a value from Extend& @! b7 n0 q+ {) V5 Z1 `+ x9 J! e% P
//5 t: E0 h: g/ H' j; ]
// Initialize the variant that will hold the BSTR. Set the variant's
# N! G% V K, [" D$ F. T4 {// type flag to indicate the fact that this variant holds a BSTR. Place the
7 S* X9 J+ n9 ]5 H// BSTR into the variant structure.
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/ w* c/ F( y2 X- F/ u& Z6 t! t requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 a5 [4 Y5 h1 c
VariantInit(&requestVariant[0]); + ]& @8 B0 O) ^: x
requestVariant[0].vt = VT_BSTR;
5 Q0 d$ b ]% p( H8 L; V, z# S requestVariant[0].bstrVal = itemStr;9 ]) F+ s6 G/ x
0 k8 T5 x2 v5 q4 }! I topicStr = SysAllocString((WCHAR *) L"system");
' m# T: o2 X$ Q! [7 v8 P; F$ i VariantInit(&requestVariant[1]); . w- \0 x* z; u$ Y3 ?
requestVariant[1].vt = VT_BSTR;: a8 Y: M6 I0 `0 }; C
requestVariant[1].bstrVal = topicStr;8 k4 p# y2 E" ]
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;$ o+ M) E0 ~5 D: S+ F- J
dp2.cArgs = 2;6 z' ~8 l C9 {! L8 R- ]
dp2.rgdispidNamedArgs = NULL;
( p- T4 G8 q, o# R; a dp2.cNamedArgs = 0;" C# B' ^; H' d/ o
% M/ P$ v! |$ {& F# e" V var.vt = VT_EMPTY;# _ W: H; J5 J% }+ ^
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// Call IDispatch::Invoke()( L1 _9 c" n. o6 h. P
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hr = m_pDisp->Invoke(& K+ v1 l1 q+ O' [9 y: {
requestID,
+ k4 N6 ?) r) z) {- K IID_NULL,
& a" W0 [2 w# ?( q# y! S: K LOCALE_SYSTEM_DEFAULT,5 `# L8 d' v% G( a. U s- z: T. e
DISPATCH_METHOD,9 E: A8 U# [! c
&dp2,
$ t& Q; w! w9 ^# R$ Z+ U, g0 p &var,5 C- k; s: R' H! p- A
&ei,+ p( y/ ?; S. R' Z
&uiErr);
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SysFreeString(topicStr); `6 g0 p- D% _/ j( `9 F
SysFreeString(itemStr);; F/ j* c1 M6 ]1 C( k, u i
请问该程序是获得extend里面的哪个值?8 p' h7 r# s( D' w0 B( \ t
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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