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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:
* Q0 Q8 i* N$ S e" ~( YName = (WCHAR *) L"Poke"; ^( B' S' J* K+ W6 a0 Q; A1 R
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hr = m_pDisp->GetIDsOfNames (: j! R# j# u9 \' v
IID_NULL, // reserved) I. c3 L, e" |
&Name, // Array of names to get IDs for
" [ q" H, O! `, d7 W6 e2 G) h 1, // # of names in the array1 A9 T: {& E4 R
LOCALE_SYSTEM_DEFAULT, // System locale6 e! _( \. Z) i$ R0 M& z' B H
&pokeID); // Array of IDs to fill on output
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if (hr)4 b. A; `. n/ F. J4 G) I
{% f. C: t+ s+ M0 W$ Q/ \8 ?
MessageBox ("Get Poke Unsuccessful");% s, z" L+ d# X1 J* u
return;
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/**************************传递数据给extend**************************************/
+ j+ i: D/ | F/ e) e! ] pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ D+ E, ?; J0 ^8 H8 h
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valueStr = SysAllocString((WCHAR *) L"1232");
3 H! H ` K+ J/ B2 {% B- I VariantInit(&pokeVariant[0]); X0 x" Q5 N& E5 \
pokeVariant[0].vt = VT_BSTR;
7 F/ j1 L- m2 m, [ pokeVariant[0].bstrVal = valueStr;4 j. @$ q3 U9 X
k' e1 Y c. K) D% \) I v3 } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% [+ f3 p4 E6 Y- G0 n VariantInit(&pokeVariant[1]); / T/ Y7 W$ C5 T, U) ]$ w
pokeVariant[1].vt = VT_BSTR;
; w1 S* f2 e' V% ~) W pokeVariant[1].bstrVal = itemStr;
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1 ]0 i3 i& ~: {% D' I2 v$ @ topicStr = SysAllocString((WCHAR *) L"system");
# ?1 J4 w" R$ B! B! P& W% u) J VariantInit(&pokeVariant[2]); / R% p0 N& Y+ u |7 X$ A
pokeVariant[2].vt = VT_BSTR;9 o% h. ]8 B$ d, O5 R1 B8 N
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;% @ s* N! ^7 [
dp.cArgs = 3;
* B! Y, F' o* l dp.rgdispidNamedArgs = NULL;
/ Z3 }( g& I4 l" y0 S dp.cNamedArgs = 0;
# \+ \' Z1 M+ n9 N9 f) W. D. u$ z2 W1 B9 Z
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(! N+ U8 v2 }9 p B
pokeID,% O' g7 h+ T9 C% C) |( W. c' X
IID_NULL,
. l, `3 W' p( D* n) ^" @( _' l LOCALE_SYSTEM_DEFAULT,
: C v# q$ @- h6 R* l DISPATCH_METHOD,# \* R6 Y& A- p) C V+ q$ Y
&dp,/ ?" B0 B1 T$ V5 N$ b3 Z9 G, z
NULL,
% Z, L+ {& r* U &ei,
, c) }2 m2 a; M &uiErr);
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SysFreeString(topicStr);1 e2 {2 v# i; z) u) m ~
SysFreeString(itemStr);/ j/ A3 n# f1 R1 k5 C; z" l
SysFreeString(valueStr);
* B( U; w$ _2 G4 O* ?6 U
5 C7 ^* M& D# t w$ h2 H4 Z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???
2 e$ T4 Q P R( y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
( a0 D8 C+ Y; J! }5 g5 T0 I( L6 [0 {// Request a value from Extend/ M; \ L4 S7 } F2 R Z5 E! P b
//5 X( G6 j# Z% ~
// Initialize the variant that will hold the BSTR. Set the variant's
3 z5 n7 V4 j. K2 r. `: h6 C* H// type flag to indicate the fact that this variant holds a BSTR. Place the: M$ P( Q& p0 r. c- j8 n
// BSTR into the variant structure./ x5 [0 `) w1 A& \' `" [, D
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; Z+ Z. `- }# O0 Q" t; {7 i! X
D: g% `/ W9 n+ ^: F# y. \" i! R. V' \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 Q* l9 T$ O* O/ E% z8 A4 |2 G1 f
VariantInit(&requestVariant[0]); 2 H, @; M2 k4 M" v- j: _( ?! p
requestVariant[0].vt = VT_BSTR; T8 b- V9 d: p' T5 g7 W# e, V' z+ _
requestVariant[0].bstrVal = itemStr;
# z2 r, u9 |$ i1 s1 U. j [4 U4 W9 n
topicStr = SysAllocString((WCHAR *) L"system");
- a. J4 x$ o1 v: Y; i( n7 {7 Z VariantInit(&requestVariant[1]);
# I5 M: Y' c0 D' W+ w requestVariant[1].vt = VT_BSTR;, |6 K; m" c3 Q: a; b! M3 O
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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; `7 c8 y) U$ p! _" L: k dp2.rgvarg = requestVariant;( t$ H1 Q6 a1 O, N2 l( x! T
dp2.cArgs = 2;
* Q6 l% d) G( C7 N# J dp2.rgdispidNamedArgs = NULL;$ z% j) e, v; J+ C* n% U6 q
dp2.cNamedArgs = 0;6 |+ M" v1 N3 i7 \# _
2 T3 { b- b2 `% ~ var.vt = VT_EMPTY;
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9 ~* I- v% K" P' G// Call IDispatch::Invoke()/ f# ]1 B' ], ]/ g3 [, j5 ^- F6 q
$ ^ t2 }: H' R6 s8 A- @- [ hr = m_pDisp->Invoke(
8 `) h9 N; i) }; N. z. \6 p requestID,1 S, C5 Q- u$ j
IID_NULL,
( }3 Q! p$ S$ g g; { LOCALE_SYSTEM_DEFAULT,8 R8 j- \0 Y' S
DISPATCH_METHOD,
9 x" ?+ ]: u; o$ t& B( k! s &dp2,7 g2 `* J9 O/ i* q1 Q G' v# c5 d8 f
&var,3 `8 d' t& g) [ m
&ei,( v3 r. E; u+ @+ F% C
&uiErr);: N' _5 B% `/ t8 W* o7 a
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SysFreeString(topicStr);
! p% U$ G6 Q# z. e' c SysFreeString(itemStr);4 F$ r# W: y N$ H1 o& h7 l$ ^
请问该程序是获得extend里面的哪个值?
f$ o+ _$ h) M( `+ C5 O* l, V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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