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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:
; g' q* m1 j! qName = (WCHAR *) L"Poke";, Q: S. v( }. |- e5 Z% R$ a
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hr = m_pDisp->GetIDsOfNames (! A6 |7 ^5 ^2 \ O
IID_NULL, // reserved
6 x# P3 o% _: y: W; w9 [ &Name, // Array of names to get IDs for8 q0 \5 | L O! @' O0 c, r
1, // # of names in the array
; K$ v8 m1 f1 Q) g LOCALE_SYSTEM_DEFAULT, // System locale
6 u# X( s( i0 i9 I4 z &pokeID); // Array of IDs to fill on output d. Y- X7 @5 p" R* ^: D. f' O
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if (hr)6 |# e5 p/ ~3 j4 r# R3 H. Y
{
! K4 `1 _# g1 d MessageBox ("Get Poke Unsuccessful");
6 J* s6 D; r0 J! E R' Y$ u6 h return;
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/**************************传递数据给extend**************************************/# Z: d& K* V5 o' K! a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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; g. ^; B9 G3 f9 @( K3 E g valueStr = SysAllocString((WCHAR *) L"1232");" b8 ^' _7 D0 D( i. H
VariantInit(&pokeVariant[0]); 5 E) }0 _1 H& }% ?2 {
pokeVariant[0].vt = VT_BSTR;. L2 `1 J. n+ N F8 A7 n
pokeVariant[0].bstrVal = valueStr;
5 Z: Q' j0 h3 {
# b) v) M& b" p$ t4 K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- e0 h2 E5 M. }+ g+ |4 [ VariantInit(&pokeVariant[1]); * @1 v7 B) Q+ e' ?* n: \ o
pokeVariant[1].vt = VT_BSTR;: {6 l4 R. H0 K2 T" J* X
pokeVariant[1].bstrVal = itemStr; B5 x. b! Y' J7 e& ^2 ^
) e5 |1 f) m! T topicStr = SysAllocString((WCHAR *) L"system");
8 e9 e. N Q4 a2 }; J VariantInit(&pokeVariant[2]);
9 K9 i( I: c& F8 m9 o* \& f pokeVariant[2].vt = VT_BSTR;
( S$ _0 W7 m8 P7 p. R& d- C1 V pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ J6 z0 g1 D# `$ h) L$ H2 @
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dp.rgvarg = pokeVariant;
; \/ ~: O, ]) {9 \- r dp.cArgs = 3;% Y2 c: `0 F, w
dp.rgdispidNamedArgs = NULL;
$ d0 u0 p& ]0 i% d$ m dp.cNamedArgs = 0;2 g0 e" x" S8 }( J
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// Call IDispatch::Invoke()
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" _9 t7 p5 v4 {3 Q' k9 m hr = m_pDisp->Invoke($ q7 H: e1 h" @3 h
pokeID,
$ J- x: J/ d% v8 i g" J; V IID_NULL,
6 G9 w% ^, X3 D. I$ y0 l LOCALE_SYSTEM_DEFAULT,
7 D0 o% B ?+ @$ G DISPATCH_METHOD,
: I8 }& p$ V7 ~/ a+ i; J &dp,0 t" s1 c- |! a$ E y4 u
NULL,
4 ?' p% _; ]2 V &ei,+ M. y( w: {" j( |7 s6 S3 c2 ~
&uiErr);
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4 I& U, z( s# B8 i* f* q3 ?* ] SysFreeString(topicStr);/ h9 S- M) @ u c
SysFreeString(itemStr);
( ?+ r+ b5 f/ z! |# t SysFreeString(valueStr);2 L( E9 k' g) c G4 M6 M( w
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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???: |* j7 U2 F% Z1 s
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
- i* z' L! Z; _$ s// Request a value from Extend
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) w2 q' N- ^/ i8 j8 h# D7 [// Initialize the variant that will hold the BSTR. Set the variant's; t) q2 t& v: T. ~# A% Y0 B
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 Y% g- v j: ?8 p/ A5 N1 U0 B+ f# A// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; p2 W9 ~( [" K# x, Z! [9 w
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! m9 b" c! j8 s1 \3 S$ ? VariantInit(&requestVariant[0]); , V- G3 |* |6 }9 m/ y- G
requestVariant[0].vt = VT_BSTR;
- _% D- f4 _' D$ R& s1 Q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" n% D$ T+ G. B. |! g4 K+ u VariantInit(&requestVariant[1]);
% {* n: v2 y, k1 O9 C requestVariant[1].vt = VT_BSTR;
3 N0 `! ]' |: c6 i requestVariant[1].bstrVal = topicStr;1 C, F% A6 i) q5 d* M1 E, v& D
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// Set the DISPPARAMS structure that holds the variant.
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6 T$ _) @4 `5 A" t2 C. ? dp2.rgvarg = requestVariant;
* ^% {( B3 ~1 |0 y dp2.cArgs = 2;1 R) t+ o/ i" {2 C* \9 @
dp2.rgdispidNamedArgs = NULL;
9 M8 B% d4 D% J dp2.cNamedArgs = 0;
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: C/ }+ t2 i& q4 G2 B var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()2 Z: j) K2 q- ^. f) g$ m
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hr = m_pDisp->Invoke(# N' g) r1 \9 R, k* u
requestID,
, D8 i: ]5 l+ W IID_NULL,
( d$ Z( p _! Q3 ^6 m LOCALE_SYSTEM_DEFAULT,
; b% }% y0 \4 {$ P5 \* w8 y DISPATCH_METHOD,
- C/ G8 e- |7 u: z7 F& T4 M4 C$ S &dp2,
0 b% Q, J$ c2 [7 t' a &var,
+ @8 y# l( j! c/ J4 x( e0 b &ei,
; v# [, w' o+ H; X &uiErr);
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' T B$ q% ]: W, P SysFreeString(topicStr);. T% _ }: K2 L T3 j8 a! G& D, B
SysFreeString(itemStr);
2 ]: n( o k5 ^7 V' b请问该程序是获得extend里面的哪个值?- h5 p2 I% w! D Z4 \+ a
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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