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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 `# B7 m+ [3 l; Z" ^
Name = (WCHAR *) L"Poke";! L Y) L; t: m/ ^. }; o
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hr = m_pDisp->GetIDsOfNames (
1 ?" _) q0 x2 }4 h, `4 k' v IID_NULL, // reserved) m |( |3 [) d! p0 W/ {. b- v
&Name, // Array of names to get IDs for' g+ N5 I( J! @4 @: `
1, // # of names in the array
. u6 T! `2 p$ J2 I1 @ LOCALE_SYSTEM_DEFAULT, // System locale# R: z! K% |' v( c
&pokeID); // Array of IDs to fill on output
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; S N$ u4 n( k$ f* Q' i7 S8 N0 U if (hr)
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* \* o+ d: K7 `1 G) K, _" ^ MessageBox ("Get Poke Unsuccessful");9 [2 \% `; `" _0 |! c- v4 B- z
return;
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/**************************传递数据给extend**************************************/ S5 ]) s" F, D: b# g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); V, b6 q4 {4 |' ?, `
2 c( c2 j+ V9 R valueStr = SysAllocString((WCHAR *) L"1232");
- X2 R7 s8 f9 w; M( T) ?7 I VariantInit(&pokeVariant[0]); n$ b; |. b! n# m) t
pokeVariant[0].vt = VT_BSTR;
$ k% A- h u* I7 | x8 h8 H1 Y pokeVariant[0].bstrVal = valueStr;7 q, O: _' G; Y
. C5 k# i$ P- t! W: H; ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 a1 P. @2 B0 w f/ ^+ m& b
VariantInit(&pokeVariant[1]); / H( O4 V5 @( y7 [" `& h
pokeVariant[1].vt = VT_BSTR;- D0 v& b! x: K4 O" I2 k9 ~3 I; W" ]
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
K/ O: F- H' l. E VariantInit(&pokeVariant[2]); ' _- I1 p0 {* M. v8 j
pokeVariant[2].vt = VT_BSTR;; A9 ~) R& w6 w- v4 y. {3 P) }
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.% p5 S9 n* ]6 \7 E) n
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dp.rgvarg = pokeVariant;
1 f' c. `& T+ a x dp.cArgs = 3;
- m; n% d* e8 b9 d dp.rgdispidNamedArgs = NULL;
6 H% ^# }" H7 n3 E5 N% z dp.cNamedArgs = 0;& q6 z1 l L3 ]( g/ n
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// Call IDispatch::Invoke()7 w- u; p5 Q: h# `! e6 y4 `4 i- ]
- P7 X8 I( E; {% P! ?. m hr = m_pDisp->Invoke(
- U' A3 T6 L! b' O8 k3 L pokeID,3 N6 W( ^; l; i2 e, ~1 Q# _
IID_NULL,
" k3 {+ q) [0 J( t, o2 Z+ B$ m$ | LOCALE_SYSTEM_DEFAULT,
) h1 L3 _& g7 W o9 O3 D- l* s DISPATCH_METHOD,
( D9 ~* k# ^0 s3 _& |! S &dp,
9 s& ~ {) v8 w/ } NULL,
% k: t/ T2 e" @6 x &ei,
6 w: D% \! ?) Z3 k &uiErr);
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SysFreeString(topicStr);
* T1 D( }$ Y; f3 A9 w SysFreeString(itemStr);1 C7 O$ i% b7 S7 i- P7 A
SysFreeString(valueStr);: P/ i9 \) [. ]8 d6 Y
+ @# j: ^; w+ U. X' \( M8 A3 t2 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??? I/ R6 g) b( d4 b; b
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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# @: x0 M# V- \; Z( L1 n2.这是request的程序5 u; z) V: `' ]9 A2 v' F$ Z% a! z
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's% b! b4 f% M* \4 j. |; r
// type flag to indicate the fact that this variant holds a BSTR. Place the
# g( ~% u5 r8 R9 s; b// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 X0 f0 x$ J J. j @
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ Z8 _8 {9 N( H$ r& Z8 o VariantInit(&requestVariant[0]);
* _9 g" ^# Q8 G0 d6 { requestVariant[0].vt = VT_BSTR;: x, C) u9 n# u) B6 P3 \
requestVariant[0].bstrVal = itemStr;; v* j# K: u' @! s3 q# F' d( ]
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topicStr = SysAllocString((WCHAR *) L"system");
1 p) E0 a2 ]. J$ m5 Z5 U% b VariantInit(&requestVariant[1]); 2 W' U9 \; ~" P2 K
requestVariant[1].vt = VT_BSTR;
( S& f% h% j+ D) X requestVariant[1].bstrVal = topicStr;: x, ]# i" }1 g. D6 y4 ~
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// Set the DISPPARAMS structure that holds the variant.% {1 L0 N! V1 M# P2 z7 o# h
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dp2.rgvarg = requestVariant;
& U, ]& F# u# {1 Z, B dp2.cArgs = 2;
% ~2 h V- o( q dp2.rgdispidNamedArgs = NULL;
; i1 I. Y K/ \& W8 g/ T8 s dp2.cNamedArgs = 0;
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% `/ T! j2 @3 r9 s8 `5 D9 e6 h; l var.vt = VT_EMPTY;
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) [9 G9 u( w4 K- p" B// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
$ T- I0 W, x# J7 b5 m requestID,
1 B9 B- w4 ?, Y: n' {& u IID_NULL,& e$ o6 x1 X3 E5 k4 Z3 i4 v
LOCALE_SYSTEM_DEFAULT,; Y/ d/ I) \5 d
DISPATCH_METHOD,
7 a% ?* a3 c: V: g4 N &dp2,
3 T. _: V! |7 P/ O: P8 ~$ c' g5 e &var,
! x# L' a! J" S9 c2 c* w &ei,+ K" Y5 o5 L# x1 G
&uiErr);
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* {* y$ O O$ s! S2 b: ^$ ? SysFreeString(topicStr);
: C; D& J! V. n) D3 K SysFreeString(itemStr);
8 Z# p% s+ _. E/ n9 [- U请问该程序是获得extend里面的哪个值?
* X9 D4 e1 U, |. M+ o5 l. C3 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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