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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:
9 J5 F2 p9 R- W* Z: `4 DName = (WCHAR *) L"Poke";7 G8 A7 s' ^& T! [3 a/ V8 z
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hr = m_pDisp->GetIDsOfNames (" _) m/ k5 [! K7 d& @
IID_NULL, // reserved7 m$ Y$ I+ Z/ y( S6 K
&Name, // Array of names to get IDs for
, ?- O, x0 _, F% q 1, // # of names in the array6 R% j5 Q4 ?, d( G; n# U% e+ x
LOCALE_SYSTEM_DEFAULT, // System locale" U k6 O: u% h* C5 U. O* [4 c
&pokeID); // Array of IDs to fill on output
/ `0 Q& N( {7 z B$ n, b : Y0 S/ k8 G3 F& l% l: g
if (hr)
# P! o s5 ]. p4 z {
, S0 z- `% F7 @4 i3 m MessageBox ("Get Poke Unsuccessful");' u+ d7 s1 s) ]- k z
return;
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) H. [) D: Q6 ^2 ^, e/**************************传递数据给extend**************************************/- O: C3 v% U/ V4 H! i$ c% T/ u- P
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 g" t7 I: }4 R& S
. _' s- ^! J* N2 _* V, i valueStr = SysAllocString((WCHAR *) L"1232");
& W6 ]9 Q5 }1 I9 [% n. V5 z VariantInit(&pokeVariant[0]); # H7 r% C9 L* H2 ^0 u, A
pokeVariant[0].vt = VT_BSTR;5 D' _( t6 V5 v) |+ G7 s
pokeVariant[0].bstrVal = valueStr;
' u% ?9 |! R v3 Y8 j4 u3 z
+ {2 j! i* P. ^0 a7 t8 h7 ~1 H, P$ R2 H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ h6 t' B% z2 l$ _ VariantInit(&pokeVariant[1]);
) z& v4 _8 L! ]0 F2 X3 T" R pokeVariant[1].vt = VT_BSTR;
C: G* n9 K% s9 B! ? pokeVariant[1].bstrVal = itemStr;
% x+ I& X* o7 O/ A7 {% H! o. B1 F/ t5 J( c3 b- H0 z/ `9 W# k
topicStr = SysAllocString((WCHAR *) L"system");8 o7 ` {3 i8 I9 N
VariantInit(&pokeVariant[2]);
. m6 n: G/ x6 X, t6 V8 K t' V6 Z- j pokeVariant[2].vt = VT_BSTR;
4 y: `. t! {$ M+ I pokeVariant[2].bstrVal = topicStr;
' Z2 M8 f, C" i1 C l- i0 Z9 R. x
# `/ \4 Y. f5 L1 q- y% o$ g& {// Set the DISPPARAMS structure that holds the variant./ \2 N; z0 ~& F6 {
7 m3 r2 z1 v4 h6 j( T* J9 t6 [" c dp.rgvarg = pokeVariant;
; y# ^) d4 ?7 m. }3 F$ y/ e dp.cArgs = 3;
1 ^" j# I& e7 I( V5 } dp.rgdispidNamedArgs = NULL;2 C3 ]% [, O7 o" Y
dp.cNamedArgs = 0;
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( X2 s! n- b3 ]1 w// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(/ S# `/ `5 E g0 Z0 o
pokeID,
+ [7 o: V; h& L- @$ J2 M IID_NULL,
$ V) t+ O( Q( }8 ?. Z LOCALE_SYSTEM_DEFAULT,7 i4 @' O& _! ~( L. ?
DISPATCH_METHOD,( f; Y5 R8 x1 n! p! J
&dp,
! a( i6 n+ c, l* i& I NULL,
t) ~' d2 T1 a- N4 U &ei,) S: ^, ~# t% N6 F" W2 Z9 u
&uiErr);3 c' ^' Q/ z9 d
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SysFreeString(topicStr);* |, \% _% m6 }- \5 r2 ~
SysFreeString(itemStr);0 D6 D4 k: q2 T' m& u$ ^
SysFreeString(valueStr);% |2 b- Z1 G9 K1 s1 T
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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 ]2 @9 \0 U' 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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2.这是request的程序/ L6 y, C$ T1 c: B6 c
// Request a value from Extend
% o" z- @1 f4 [2 X8 B//; k8 s- O0 Z+ C
// Initialize the variant that will hold the BSTR. Set the variant's
1 B2 T* ~0 L' S, o0 b7 G( c// type flag to indicate the fact that this variant holds a BSTR. Place the: n: R( ]9 U- C. Z' o1 s! f' E
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) _6 n' ]/ g% y8 e& x1 h( G, E; n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ ^7 ~# m8 ~8 ?* v8 H7 |3 P) d
VariantInit(&requestVariant[0]);
1 |2 \7 B2 c% k" P4 ` requestVariant[0].vt = VT_BSTR;0 a% G3 W* p4 T5 n
requestVariant[0].bstrVal = itemStr;- i/ G7 |# U! j; C* T# L
# ^- i. B2 x' y8 s# L topicStr = SysAllocString((WCHAR *) L"system"); b# t2 X) q4 @. z
VariantInit(&requestVariant[1]);
: L$ V& {% Y. u6 U7 g requestVariant[1].vt = VT_BSTR;
( A$ }5 X# G% v: s requestVariant[1].bstrVal = topicStr;' U; x4 w0 Z, ?; m
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// Set the DISPPARAMS structure that holds the variant.
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" I$ E2 l9 z' }) [& m6 N# C dp2.rgvarg = requestVariant;. E( B; Y. \3 {/ M* l D' t
dp2.cArgs = 2;
/ L. ~3 R0 |% r9 k9 P9 T' K dp2.rgdispidNamedArgs = NULL;
: e) v, e# U8 b% y }' \ dp2.cNamedArgs = 0;, g0 r( {3 j8 d7 S' U: N/ @/ H
7 `5 P. Y. O! t6 l4 v9 w var.vt = VT_EMPTY;
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% L' e' N8 L( P, F6 ?$ R+ _// Call IDispatch::Invoke()
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; b1 m+ Y8 O2 f) ], D/ A0 M: ~5 | hr = m_pDisp->Invoke(" [" e" O, b" v
requestID,
# M2 w# u) t; H5 N* ]! d! I IID_NULL,
; Z5 I7 W' l$ r" i2 g: S N LOCALE_SYSTEM_DEFAULT,7 ^7 L. a/ P: [5 C0 Z) ]9 |/ @# e
DISPATCH_METHOD,
+ i n" Y! [) D* k( H( ^. e6 q" T &dp2,7 s& O) ]' Q0 b4 Q- z8 \% {
&var,
. F4 ], v O0 J7 F &ei,
9 m# e' `6 o: s2 [ &uiErr);& h$ U* r+ I. [1 K% F! {
7 }2 U6 R! U* p- c. c4 S Y3 s: J SysFreeString(topicStr);) i! r, I+ T* J1 A/ L/ p
SysFreeString(itemStr);. Z. g! T) B1 T8 [9 O) a# j
请问该程序是获得extend里面的哪个值?
- b/ P3 w4 O8 E8 n( Y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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