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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:5 Z1 h) e. x9 b4 F) {9 y
Name = (WCHAR *) L"Poke"; P, e3 s. x# p* y0 _' U
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hr = m_pDisp->GetIDsOfNames (. H+ F7 W+ J, d# X7 Y1 t+ [2 a
IID_NULL, // reserved
- p+ `/ H0 [3 t' @: o) h' K% ^1 o* q &Name, // Array of names to get IDs for, a- s) r" I3 n3 `( \5 \
1, // # of names in the array
. I5 }' V. ]5 H LOCALE_SYSTEM_DEFAULT, // System locale1 _2 f8 c4 `& y: X' }( N
&pokeID); // Array of IDs to fill on output0 V* A/ {4 A# Q5 s
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if (hr)$ L; h# a/ q, Y. E
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MessageBox ("Get Poke Unsuccessful");1 b# P. a2 ^/ B2 |; f
return;
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1 I5 s& |9 t z4 t5 \: j% A# O8 ]6 \/**************************传递数据给extend**************************************/
& E! L) b# Z; u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
& Q- {0 |& S7 p3 o* I7 E VariantInit(&pokeVariant[0]); $ |1 o# D- O) x; m9 H
pokeVariant[0].vt = VT_BSTR;. `' Q% p) y& H' U/ c: n4 _$ `: @
pokeVariant[0].bstrVal = valueStr;
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, P: n2 [. {9 @# ?- n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; C, v' Y4 e0 B$ ], r3 T
VariantInit(&pokeVariant[1]); ' @5 p/ B6 a& K7 q7 M2 _( D% p6 g
pokeVariant[1].vt = VT_BSTR;) W' |" Y. s: _- S8 j, q/ i# L1 k) v
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' ~ C4 U5 p, g) r+ U VariantInit(&pokeVariant[2]);
6 ?. C) l2 y0 c* W: x2 N pokeVariant[2].vt = VT_BSTR;6 V a+ x2 m0 n7 t
pokeVariant[2].bstrVal = topicStr;; R6 s% _% g0 U0 p/ j
A' L( g& _; N- L2 L$ U// Set the DISPPARAMS structure that holds the variant.5 x4 L% n: N7 n n
9 A& V F$ c6 a$ ] dp.rgvarg = pokeVariant;
) {2 @! G! c& l0 r dp.cArgs = 3;0 T5 ^, o6 D. w/ e+ x9 G6 }
dp.rgdispidNamedArgs = NULL;
. O! g4 V9 H0 _0 \ }$ x/ L' y, y. [ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()& `; i+ ]3 o) ?$ D( N( U
; O% q) ~* t! w1 n- p/ ^ hr = m_pDisp->Invoke(2 Y' ^/ y" s5 I
pokeID,
$ ]; m( a: ~ A2 Q IID_NULL,
& ?$ g' @& Y, @2 m3 T2 t: d# p LOCALE_SYSTEM_DEFAULT,+ s3 a+ b3 g% u' `; i, s- e7 Y+ B2 t
DISPATCH_METHOD,
! O1 C1 k. B, J6 D &dp,
1 F( e/ I+ M o* l q7 W! u7 M7 c NULL,
* k1 E: `+ v8 ^! L3 G. F; i. |. B &ei,
" B0 f# |: t, W0 d; s6 M &uiErr);
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5 D X* ^7 ? h3 a1 [6 w. E1 | h SysFreeString(topicStr);
$ s6 k0 B& [9 O& J2 \" o, H* a SysFreeString(itemStr);( k) d! r s" n+ Q$ L
SysFreeString(valueStr);7 K0 W' R: S9 S. x% U
E% S( o' O, q, R& i# J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 A# k) j# t5 O% Z a- Z$ `
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????9 A# ?/ g- g7 l5 X$ d6 u. h
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2.这是request的程序) h4 F2 p) x% W# R* g9 H# L% ^
// Request a value from Extend, P7 n M* t! [& T' w5 {' ~+ d4 r
//
' E: {3 h1 E5 N0 ?0 \- D// Initialize the variant that will hold the BSTR. Set the variant's
2 b2 @* w8 C, d/ Y" g// type flag to indicate the fact that this variant holds a BSTR. Place the4 y: I% K! _) g4 S/ b
// BSTR into the variant structure.) \3 H# H- y$ C1 N# m1 q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ C K9 \8 o/ l8 c+ ~+ E
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- q- `: W- e3 {4 _6 o& U
VariantInit(&requestVariant[0]); : u; o2 f' E1 F0 A7 k* ^2 C
requestVariant[0].vt = VT_BSTR;
7 m8 u/ y( s( q. K: P requestVariant[0].bstrVal = itemStr;
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1 S$ C2 Q1 M c. k. Z! B7 L topicStr = SysAllocString((WCHAR *) L"system");
# _1 E# p+ q6 E! u# k5 M; H VariantInit(&requestVariant[1]); t# U+ `1 t& w6 R& N
requestVariant[1].vt = VT_BSTR;
8 M5 C+ z& }+ a requestVariant[1].bstrVal = topicStr;9 e; i- I) y1 R, E; n! j$ d4 r
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant; o! |) m3 ]1 u) x& }! r& f
dp2.cArgs = 2;
, i7 s" A3 e6 Q4 R* s- l! B dp2.rgdispidNamedArgs = NULL;9 O' j8 g9 c$ H$ ~: ~8 W/ V- ?9 o
dp2.cNamedArgs = 0;) v: j; W9 U% A9 f4 f
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var.vt = VT_EMPTY;
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5 g; { [$ Q- i! ~1 I3 h6 p1 H9 v// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(" I8 O$ p2 G) q3 A- H) F2 `
requestID,! q* K% E& Q( d3 v# s
IID_NULL,
4 m& ^2 |( i3 W& M- x LOCALE_SYSTEM_DEFAULT,5 ]; v% L7 ?: H; m; Q4 Y
DISPATCH_METHOD,- x0 x* E# E6 m; z6 a( R! S
&dp2,
9 R/ H8 @" t1 @8 g' ]' x &var,
# K# h8 }$ ^4 ^. I0 ]/ n7 S. ]+ i &ei,
6 S) X$ X, k8 ?) C &uiErr);
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SysFreeString(topicStr);
7 g6 I7 q6 }6 O2 h SysFreeString(itemStr);
5 r2 F% P9 [! r* c; y; F4 G* q请问该程序是获得extend里面的哪个值?
& E8 V* s9 [# L/ i1 L6 d/ q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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