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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:4 G6 f% M! T" q* U1 |# E
Name = (WCHAR *) L"Poke";
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6 L4 s. W1 W6 q4 S) c3 g hr = m_pDisp->GetIDsOfNames () W- I5 L, N2 q% h; p- f h
IID_NULL, // reserved
, X5 J) q, W" p/ B W &Name, // Array of names to get IDs for
( z' W, e7 y1 e5 \ 1, // # of names in the array
, O6 W9 W3 y* Q) W8 [ LOCALE_SYSTEM_DEFAULT, // System locale
+ O) M [8 f2 H( | &pokeID); // Array of IDs to fill on output
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8 f& |9 i4 k. T% E8 t4 s' g9 G if (hr)! n( F% C8 I8 q5 z: L* T
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MessageBox ("Get Poke Unsuccessful");
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/**************************传递数据给extend**************************************/
' q/ P# j6 S4 m$ [' W+ o pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ U$ W6 z) M. Y1 s a
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valueStr = SysAllocString((WCHAR *) L"1232");
* C% r0 e+ v" n! y VariantInit(&pokeVariant[0]);
- }5 k$ O3 i3 Y" M# q5 \ pokeVariant[0].vt = VT_BSTR;8 d l' X; r: Q; P h/ G6 G
pokeVariant[0].bstrVal = valueStr;4 k, R: f" o7 x" q. u
0 @9 k& r; s& `$ f5 C itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' W% \. r9 U5 a
VariantInit(&pokeVariant[1]);
. q) ^' a; V/ ]: ~4 M. U0 N6 p pokeVariant[1].vt = VT_BSTR;$ _3 L m4 @$ ~5 m$ M
pokeVariant[1].bstrVal = itemStr;* a" b1 A$ H% a: a& n
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topicStr = SysAllocString((WCHAR *) L"system");
. j$ d* U$ G' \! _2 H& w VariantInit(&pokeVariant[2]); 4 { k( t8 {1 x# p0 v4 w9 I( \) m, C; K
pokeVariant[2].vt = VT_BSTR;
3 V p3 t9 |8 @8 Z. \* e+ n( U0 j pokeVariant[2].bstrVal = topicStr;
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7 U9 E' }3 x/ K9 q' A// Set the DISPPARAMS structure that holds the variant. _6 E5 C ~, |6 }, ]
( ^$ R# ^' h$ v3 V dp.rgvarg = pokeVariant;) }8 }2 L6 S5 X* U2 U
dp.cArgs = 3;
; A# D" E- ]9 S. h dp.rgdispidNamedArgs = NULL;, z5 Z% D& K l8 B; E1 }
dp.cNamedArgs = 0;& k# B9 b6 m: [; x
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 {; J% I! z- {2 R2 e5 B5 [# u pokeID,
0 l) G1 w/ @: _3 b IID_NULL,# M7 `5 p/ H. |" F4 L; \
LOCALE_SYSTEM_DEFAULT,
+ W% v! E4 `: r$ V9 z DISPATCH_METHOD,# ~$ D8 S! N0 `6 m0 D- W
&dp,
' t. X1 u& r2 f1 k b NULL,
! W0 z) |% w$ T6 A9 S& r) h6 C &ei,
/ F1 h+ {) N% N) N &uiErr);
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4 M% Q) {+ `! y3 o; R: [0 [2 i SysFreeString(topicStr); @( I9 }- \3 ?1 h
SysFreeString(itemStr);
7 E" _) G% Z7 |4 c8 J" C$ C SysFreeString(valueStr);6 S) K! R( D3 Z+ b# U4 [, `
7 u5 F; h/ K2 c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???* j9 M+ Z5 Z4 y1 i. o0 E* G+ O
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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" z) v, ^! ?: \. P8 b2.这是request的程序3 @& X7 i) A0 `: o. C
// Request a value from Extend) p. y) ?" o) ?5 J) [3 ^
//$ U8 ~! L. G3 T! _3 x. R4 L
// Initialize the variant that will hold the BSTR. Set the variant's
3 N* O- w- ]. B, ]// type flag to indicate the fact that this variant holds a BSTR. Place the& q0 h- \ I I, }' T, q0 l* `: ~
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' Q# r |. e, { r) N. q& ^
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% j: M% k K: d8 f6 P2 F2 I* V1 y
VariantInit(&requestVariant[0]);
! \* K- D$ H9 E+ K6 F( M6 k4 f requestVariant[0].vt = VT_BSTR;
: P5 V( y0 S' z1 {& ]2 ] C! |* E# v requestVariant[0].bstrVal = itemStr;7 c u4 }6 j; {' {: n* g
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topicStr = SysAllocString((WCHAR *) L"system");
/ M z. a$ @0 B2 }2 \. t' t VariantInit(&requestVariant[1]);
! e0 u% Z7 E( _) b0 g% ]* M5 g. Y# j requestVariant[1].vt = VT_BSTR;. k8 X) u5 M+ t
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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3 {$ V3 N2 w! [ dp2.rgvarg = requestVariant;7 V( }5 m# s% `$ W2 B) d3 ~
dp2.cArgs = 2;4 @/ M. Z- f3 w+ L# [5 X
dp2.rgdispidNamedArgs = NULL; Z7 [7 j3 t' K6 t% `* q f
dp2.cNamedArgs = 0;1 n5 R' L$ z# {) T8 @6 A: ^9 g
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var.vt = VT_EMPTY;$ I6 K& x4 Y5 J! o
: d/ e( X: I4 U2 K& U8 K5 `7 G( {// Call IDispatch::Invoke()' c. K* U/ x5 x7 [2 r
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hr = m_pDisp->Invoke(, R' b" v; a/ f( E# P- t1 }7 P
requestID,# }$ T3 ^4 N6 _: M' U( \3 P
IID_NULL,9 q$ I6 ]& O$ h2 H$ L( T1 D
LOCALE_SYSTEM_DEFAULT,, H/ f" G' D2 A0 X; m5 [- d
DISPATCH_METHOD,
% |- _4 Y$ D$ |9 K" J% h &dp2,/ O3 \: T" u: R6 Y' ]- `
&var,5 R0 K! B8 N; j4 B) E
&ei,
7 d1 r* B% `& b; d Q &uiErr);
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8 Y% U( Q8 ^. @" I" V0 o( P: ] SysFreeString(topicStr);
/ R @; u: N) h: M3 K- N% x+ m+ e# | SysFreeString(itemStr);5 p+ O( ^$ ]9 T2 N. O
请问该程序是获得extend里面的哪个值?; M0 R/ O! c% r6 S# s: v8 r
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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