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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:1 t7 c2 Z. Q) D: V+ g
Name = (WCHAR *) L"Poke";* g {! h: r2 N2 t. G& |
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hr = m_pDisp->GetIDsOfNames (. Z3 f' |4 s9 ^/ z+ U$ @
IID_NULL, // reserved
, A- q- \* F- F2 X5 {; ?2 r% U &Name, // Array of names to get IDs for/ @9 H# a' g' n2 ]* ] e& R7 c$ n7 [
1, // # of names in the array
. s; |; ]+ S1 |9 c; s" a* L$ n LOCALE_SYSTEM_DEFAULT, // System locale
( B2 N. n( k8 M9 M &pokeID); // Array of IDs to fill on output
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if (hr)7 |* W$ G' X' ~. b3 p9 q
{
, q% W5 E' Y5 C MessageBox ("Get Poke Unsuccessful");
S" }3 q6 i- j h) S# a* ?" l9 W return;# a n. T! O6 c$ e
}
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/**************************传递数据给extend**************************************/1 @! C/ y) T& Y b* Z3 Y; b# B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 [# [3 B) E% k+ c+ a( X/ v. d$ V
* L4 v# [, B# y/ i4 ~( e valueStr = SysAllocString((WCHAR *) L"1232");
0 n& x) L! O* x' v8 a& U VariantInit(&pokeVariant[0]);
9 o9 v3 ~7 X& o+ H0 r$ Y pokeVariant[0].vt = VT_BSTR;* a# h1 q/ T/ D/ u
pokeVariant[0].bstrVal = valueStr;& E) j3 |8 u# ~7 s2 }
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, b; e3 J1 J. J5 m+ Q, s VariantInit(&pokeVariant[1]);
. |( Q! _# V0 T# M* z pokeVariant[1].vt = VT_BSTR;
0 u6 g! ~% d: A" n, ?7 L pokeVariant[1].bstrVal = itemStr;( M5 q: x R8 B z0 b' D
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topicStr = SysAllocString((WCHAR *) L"system");
) M, J. C0 w. |/ A$ O& J VariantInit(&pokeVariant[2]); + ]+ D6 h3 D/ }0 i3 }
pokeVariant[2].vt = VT_BSTR;# t. Z% r S6 f% y+ ^8 f1 B/ O2 x
pokeVariant[2].bstrVal = topicStr;
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{8 I! {4 M# k6 T0 \+ ^// Set the DISPPARAMS structure that holds the variant.4 [ C; ]- n" t. S N
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dp.rgvarg = pokeVariant;- X& F" _$ k0 \+ x3 {
dp.cArgs = 3;# z+ U. H: W+ W- g' @6 u
dp.rgdispidNamedArgs = NULL;3 g, G9 j" `6 v9 F+ X
dp.cNamedArgs = 0;
- Q f! n& D; {$ z
+ B. ?2 e! W2 x3 A// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(6 S% W! ~) K+ t5 P$ G
pokeID,
% {+ J% e) p8 l1 @ IID_NULL,$ W( s% `" }4 w5 b1 u! F/ z
LOCALE_SYSTEM_DEFAULT,
: @3 y- |5 G* w4 n DISPATCH_METHOD,! a9 n1 s4 Y' S& v- x# l
&dp,
/ n# C* k- B' z% p! r6 K- w NULL,
& ~8 |9 [3 m1 z: o &ei,5 n: ?$ B: R5 x% R2 z, [& a
&uiErr);+ q7 j. |9 ^! l- y8 H5 ^
+ x% W7 Z0 D, F2 i$ K6 b9 _ SysFreeString(topicStr);
; ]5 o) d( ]% v7 P6 R& _0 ~ SysFreeString(itemStr);0 U) [. B" A' ]7 l: Z
SysFreeString(valueStr);
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: a; @9 s \/ G G8 n4 X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 X* K8 N0 q/ M+ 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????3 \9 t0 @: t0 z, F. F
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2.这是request的程序+ ^4 @: l/ g& M+ y
// Request a value from Extend8 z! R4 p% {* c) \
//
9 K y w0 w0 w8 `7 C// Initialize the variant that will hold the BSTR. Set the variant's
$ k; ~, J! x9 |! W, ?9 |// type flag to indicate the fact that this variant holds a BSTR. Place the0 x! l5 Z1 T" A/ A, m! E
// BSTR into the variant structure.' w1 x: ?8 n& d9 k' y: Q! v
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# c: S* D* w: [- ^+ d- N2 ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 R' x& F* N' q/ v
VariantInit(&requestVariant[0]);
, }1 F: q4 V' p" m1 Z requestVariant[0].vt = VT_BSTR;1 g; t# L8 @ |+ ?5 x
requestVariant[0].bstrVal = itemStr;; Z. \. ?& @8 j$ _3 L9 m
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topicStr = SysAllocString((WCHAR *) L"system");
4 P9 O) e+ Z( b6 |! d/ _6 b VariantInit(&requestVariant[1]); 9 d& W; E. U, P' a
requestVariant[1].vt = VT_BSTR;/ n* f$ ^3 Z: s! T/ r* u" \- A
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) X7 b/ ?0 B8 R8 H
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dp2.rgvarg = requestVariant;( I3 O |7 h5 T7 f7 Q. t2 G1 W
dp2.cArgs = 2;; _; n4 P9 G$ p' G5 N! m: l/ c
dp2.rgdispidNamedArgs = NULL;
8 D9 k5 d7 ?) c( F( m, R& U dp2.cNamedArgs = 0;
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6 E! o9 S* A2 a" i& i6 j( L; m var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()3 p0 q6 @# K! G8 P _. r3 W" r! @, e
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hr = m_pDisp->Invoke(
! Z ]: Q4 a" h6 W' T! _- J5 I, ` requestID,
0 v2 V# p. w/ @ IID_NULL,9 B5 C/ G0 g( r1 K" h7 k
LOCALE_SYSTEM_DEFAULT,
6 A4 O* G: h0 V, E DISPATCH_METHOD,5 p) `3 T9 i, v, x& K
&dp2,/ k7 K% [3 k% X$ I! {3 o' D
&var,
' `. ~: B! l- z7 I @ &ei,
- h$ Z! ^6 ?4 d, z &uiErr);
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SysFreeString(topicStr);' A: `3 M0 V6 R9 g" Z1 G9 Q- I
SysFreeString(itemStr);6 A7 t' d' T5 @
请问该程序是获得extend里面的哪个值?' g @ v+ c+ u& D+ t
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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