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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 ?" f6 n1 F5 N O' a. f# o# X& R' WName = (WCHAR *) L"Poke";
8 X3 o6 l; u: s) ~' C 9 ?. g+ a! P( Q1 U7 k+ L
hr = m_pDisp->GetIDsOfNames () j9 `5 Y+ j7 N% x& c
IID_NULL, // reserved
, k; X$ ]1 K& Z- g7 O &Name, // Array of names to get IDs for' L; p0 W0 N: L f7 ^7 x. O7 q% `
1, // # of names in the array
7 j% c% c* V# v- Q: Q3 ?4 z2 [0 H LOCALE_SYSTEM_DEFAULT, // System locale
) K6 q3 e/ N/ a" z &pokeID); // Array of IDs to fill on output
V' L5 m6 ~) y2 q
" X' k e1 k5 Q* G O if (hr)
: S3 B6 \) [% P1 d- [ {
* f* J Y0 F0 j k5 O; B6 j( h MessageBox ("Get Poke Unsuccessful");: P w4 C1 I5 O+ R+ _
return;! r! U( z) {; V
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5 ^! z' H( F6 @# u4 ^+ }) m. M/**************************传递数据给extend**************************************/
+ O3 x$ [; j, v5 S pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 G* D: l7 j$ P8 w3 @
3 ]1 T0 P! n* ] G4 S+ V valueStr = SysAllocString((WCHAR *) L"1232");
- f" h s1 Z. t# h6 q3 b: ~- } VariantInit(&pokeVariant[0]); 5 s$ f/ F7 z, T, u6 g( `0 Q* V+ n
pokeVariant[0].vt = VT_BSTR;; _3 Y. _& u0 U- A9 f( l( a- P6 J
pokeVariant[0].bstrVal = valueStr; D. y0 B) `4 B O! Y7 u' Y
3 {7 k+ x# o1 p) j5 ]; L0 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. z' b# B7 b8 E
VariantInit(&pokeVariant[1]); , h8 m/ u- h U' r) h6 W
pokeVariant[1].vt = VT_BSTR;
" [0 L2 R3 n k& L: t2 K: q pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
3 c4 X% B- X& g7 ? VariantInit(&pokeVariant[2]); ! \6 `4 m0 R$ t, {. r- ~4 O6 r
pokeVariant[2].vt = VT_BSTR;
" `* h( f8 L% t) O' k2 ? pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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: f! [* s0 b5 ?* b3 ^ dp.rgvarg = pokeVariant;7 }, [- [2 ]; Q3 V* h" C
dp.cArgs = 3;' L) F! y3 k+ v) {; I- p4 M
dp.rgdispidNamedArgs = NULL;
: d3 h- M" j6 I0 K# Z0 o( y+ d" L dp.cNamedArgs = 0;
. v" _( [7 g$ k/ M4 b& s% A6 H, ]* G, h w+ D
// Call IDispatch::Invoke()& M1 }! o( u0 [6 o6 V, ~' h: O$ _" l
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hr = m_pDisp->Invoke(
# C6 G* [+ O* O3 m pokeID,9 T6 ?" M' e3 X: l7 t6 [
IID_NULL,/ s, P" H7 P6 A( w
LOCALE_SYSTEM_DEFAULT,
7 y& F5 h) }' Q& I% s DISPATCH_METHOD,0 M+ E' D6 ~- h- Z; m+ `2 x' }
&dp,9 a; C0 o8 [8 v* ]. U$ Q1 |
NULL,( Z( ]3 Y. Q/ l- X Z7 Y# L
&ei,
! [1 Q* z- u2 f- z8 P3 L$ R &uiErr);. b. c( I5 [) | |0 G' @
$ Q0 `2 y. Q+ q& A+ G; C! T( J1 a
SysFreeString(topicStr);1 _. T7 g& @; a7 R, {! r
SysFreeString(itemStr);
& j6 _0 k2 h! F2 W7 [. R, W2 o 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???
' R. i% w( v0 ^. k+ c8 s' X M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????! Q( W" w9 J w
4 x1 x9 Y1 y8 g% E j/ s7 Z
6 J5 e; k6 A+ @7 C! F) b2.这是request的程序
9 ^4 c. ~6 ~9 Y- X! I// Request a value from Extend: p- O" U+ }, Z
//
' [/ ?! u9 r1 i# C" t1 a. m// Initialize the variant that will hold the BSTR. Set the variant's
* B+ Q5 B' L; |! {* {7 ^/ T3 M" S// type flag to indicate the fact that this variant holds a BSTR. Place the
8 E) K# k2 f; q# ?. y/ i// BSTR into the variant structure.0 v3 k; |5 ~# G7 F8 y
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 M0 e, |4 D# M' `9 R, a VariantInit(&requestVariant[0]);
& C4 A2 V# p$ q5 O* R( ] requestVariant[0].vt = VT_BSTR;
5 l$ d" B7 b* l( _+ A7 ]; Z requestVariant[0].bstrVal = itemStr;4 ?6 w/ @. M# o$ Z3 _" F
+ z+ ^/ ]: p2 ~ h
topicStr = SysAllocString((WCHAR *) L"system");& S/ ^# J! w* k0 @% C$ r& D% K9 o
VariantInit(&requestVariant[1]); " U+ J5 e+ ?: I% n8 N( O
requestVariant[1].vt = VT_BSTR;
I ]& A! y) i1 k. _/ f6 T6 K P requestVariant[1].bstrVal = topicStr;" n1 ]5 e+ N8 W" @* [7 J
2 k$ E1 f l% H: e; s- d// Set the DISPPARAMS structure that holds the variant.& }% p! S2 K7 B. i
( u2 k7 f3 {8 o; f; L dp2.rgvarg = requestVariant;# T' S- V/ q, o/ J; ?
dp2.cArgs = 2;
( I# g/ H8 J b# N6 x" o dp2.rgdispidNamedArgs = NULL;
/ A6 [5 \' q5 ~$ [' J! a dp2.cNamedArgs = 0;, g. z J6 _7 G J b/ p' p+ Y1 j
7 n! C4 S. @ ~& t5 ^9 _ var.vt = VT_EMPTY;) ~9 ~: j% y8 d c8 X/ ]
! [1 p( |" [* P9 R2 q8 }5 s// Call IDispatch::Invoke()
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0 b! m9 w3 k# j I1 t0 ` hr = m_pDisp->Invoke() z* w( b- Q$ U/ w8 G+ ]
requestID,
9 l* H* @- e# E. M* L IID_NULL,
: N$ F0 a7 X. ?/ K% u5 P* { LOCALE_SYSTEM_DEFAULT,8 i" X# l6 w# x: | {( }
DISPATCH_METHOD,: G# d( J- z( C
&dp2,
+ h4 v. l- T8 M. o" ^2 a3 o" Z &var,8 U+ M% Y* Y7 d% I9 \! {2 b" I2 m) i
&ei,% M( d' w! M$ C# S
&uiErr);3 L- k0 }2 R {0 v+ O R/ a8 G
O+ } d4 o& _" \ SysFreeString(topicStr);* K/ \- b; I6 q& ^1 D/ w
SysFreeString(itemStr);
; |$ r( J( z" G2 `$ d4 p, @/ Q( m) N9 K请问该程序是获得extend里面的哪个值?
* O, @. @$ n. ~8 ^% ^- E; U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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