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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:
+ \; ~ `4 N2 T- m8 [+ t! OName = (WCHAR *) L"Poke";
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" Q6 s9 ~' M2 E! R* d hr = m_pDisp->GetIDsOfNames (
e: ~ I0 N$ T8 e; H, c' l8 q IID_NULL, // reserved
9 I: w3 L) y" R* d &Name, // Array of names to get IDs for
: @# L/ X: }! A6 x7 D 1, // # of names in the array
4 H6 W0 x6 b; b/ `4 |: z: H LOCALE_SYSTEM_DEFAULT, // System locale/ `- Z( c; M6 U
&pokeID); // Array of IDs to fill on output
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if (hr) \% o4 ~5 [" n. y
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MessageBox ("Get Poke Unsuccessful");
& u) R- k7 l0 _ return;8 W; V# L5 K ~1 s9 e
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/**************************传递数据给extend**************************************/! [# t2 T: G, W' c) _* h# K$ M! z& ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% ?$ C( c9 v, [4 T; L8 b 1 g8 ?6 ?( j, C9 a1 t+ h
valueStr = SysAllocString((WCHAR *) L"1232");
6 E- d% p' ~4 ^; d0 S* D VariantInit(&pokeVariant[0]); 0 Y$ M* Z# f0 k- t
pokeVariant[0].vt = VT_BSTR;
" n3 h3 X5 F& v pokeVariant[0].bstrVal = valueStr;/ S& }! P) W9 P/ W
3 T3 H. z6 q: w% H2 T% G$ y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' ^" `4 U( L; k0 B" D" x
VariantInit(&pokeVariant[1]);
$ L! Z( W& m6 H9 w( O pokeVariant[1].vt = VT_BSTR;* [9 |& y6 V1 O* m7 E
pokeVariant[1].bstrVal = itemStr;. G# i' x1 Z1 U/ d8 d
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topicStr = SysAllocString((WCHAR *) L"system");; }& P$ d& V* I4 A
VariantInit(&pokeVariant[2]); - o4 J, G2 T' f7 Z) }* d
pokeVariant[2].vt = VT_BSTR;
2 B* o0 T3 p; P! H; U pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.; w" ~) Y! V8 Z4 z( i6 S4 R" [
% v9 u. d* C P dp.rgvarg = pokeVariant;
& K0 s# t9 g F4 O) H+ \) w6 Q% `4 o3 r dp.cArgs = 3;
, u* s* Y: Q+ K" ^4 k% q7 E dp.rgdispidNamedArgs = NULL;/ d0 F) q) B' O: M0 T3 _0 v2 \
dp.cNamedArgs = 0;$ _) H- |( Q. \$ T3 d, p& z* ?
& h0 ` o3 b% A, j- ~/ Y// Call IDispatch::Invoke()$ C% c- Z3 [3 n- L/ Q! e( _2 c2 T
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hr = m_pDisp->Invoke(
' o, x& j1 y( F$ g. B7 k& n pokeID,/ U! W$ `1 z9 ~1 x9 t& @
IID_NULL,
4 U& D' c r$ v* ? LOCALE_SYSTEM_DEFAULT,; K$ S8 @$ P% ?4 ?
DISPATCH_METHOD,3 b) J B2 X, {7 U& I0 s
&dp,
5 t& L0 @9 X/ Y7 z! n NULL,
7 [( j9 P3 m0 d: H9 r/ g &ei,9 }' Q% N" Q- n, q+ z
&uiErr);! N8 o0 N) j+ e5 @
; b! Z; w" B' m$ ?* K9 }4 X& A K SysFreeString(topicStr);
4 b1 D6 n. z; c SysFreeString(itemStr);, U- m- R) k; R5 q f) }# T( E
SysFreeString(valueStr);/ E$ Y$ Z5 ^) i' P$ U
\6 K2 q+ o9 M) x0 X: s) t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???$ ]' Y( e* C, V$ Z9 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????
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2.这是request的程序
2 b( a, s3 E# U4 k; ^' _* ^// Request a value from Extend& l- |2 H$ G% t( N" c! ?# Z! X
//
. i4 {, j! D9 [. R- |6 B: [3 K. F( `5 ~// Initialize the variant that will hold the BSTR. Set the variant's
& O0 s) Y/ e- ]2 _8 S// type flag to indicate the fact that this variant holds a BSTR. Place the
) l, |5 O" a7 A- l, S// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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; @3 ^' d$ K5 U% [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
U5 n/ E: `% |7 G$ o( J3 l VariantInit(&requestVariant[0]); . N. m; P) F/ u i1 M
requestVariant[0].vt = VT_BSTR;. a9 j3 N3 t7 y Z1 g5 ~
requestVariant[0].bstrVal = itemStr;/ y! [. w( N, B' F
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topicStr = SysAllocString((WCHAR *) L"system");1 A( u) o w/ H; K6 g% ^
VariantInit(&requestVariant[1]);
) Y8 \" B# v2 h8 { v requestVariant[1].vt = VT_BSTR;2 J% T! {7 H! G4 p$ t* ]/ o
requestVariant[1].bstrVal = topicStr; j' A$ F O& M$ d' ]2 I- }& q
# f8 \2 J9 ?! ^// Set the DISPPARAMS structure that holds the variant.
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' `& L' D9 F; u7 y$ g3 o# q( r3 _' n dp2.rgvarg = requestVariant;& b9 Q# t/ J$ J4 p9 s
dp2.cArgs = 2;
o/ H8 s) H; i' o dp2.rgdispidNamedArgs = NULL;7 a* J* }: n# _& s
dp2.cNamedArgs = 0;
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7 Q; i) N6 [6 I5 z/ J var.vt = VT_EMPTY;
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9 o+ Y3 f7 F) T& F* H/ \// Call IDispatch::Invoke()
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, f4 p# l" t( \: T( x4 S hr = m_pDisp->Invoke(
?" r/ j) W F4 I+ k requestID,
8 M, z! o# G0 M2 g IID_NULL,! ]4 ?7 F% q4 @0 r# d! L
LOCALE_SYSTEM_DEFAULT,9 g- j0 S* }% N4 ~! p& }8 c
DISPATCH_METHOD,' Y% O4 v8 t+ ?# h" e2 g
&dp2,6 s" f1 \! g g! ]1 n1 r
&var,
5 J6 a* I A1 Z3 M2 | &ei,
) _, e0 ] P( T, Y+ `6 o &uiErr);
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5 ?4 F0 Q2 k$ W2 F, S# R# E* P4 H SysFreeString(topicStr);
5 e0 H8 U8 `. V1 |% E& H SysFreeString(itemStr);6 p; O: B! {! |2 `; \
请问该程序是获得extend里面的哪个值?& S; R! D9 ?" K, u$ K4 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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