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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:
7 G# F' p8 h# M1 b7 Q4 X* yName = (WCHAR *) L"Poke";5 v2 w5 [6 U0 u6 ~( L
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hr = m_pDisp->GetIDsOfNames (
7 p; @5 b+ q% e# F; C. L- r# A IID_NULL, // reserved! r7 K' l, [& r" `' X
&Name, // Array of names to get IDs for! w9 K8 I- S5 Y, M6 `* S
1, // # of names in the array- ?: o6 w L5 R! w1 O
LOCALE_SYSTEM_DEFAULT, // System locale! e4 _0 E* ]; \! i" J
&pokeID); // Array of IDs to fill on output
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7 o* V+ n/ g d0 q5 }8 s if (hr)
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MessageBox ("Get Poke Unsuccessful");
1 L' M4 P+ `3 a9 T2 N return;7 b6 F6 ]# G( |% p9 y
}
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/**************************传递数据给extend**************************************/
6 G6 @% p7 G: ^; C$ Z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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. f- B( o8 c' v( C' f; D" o0 t5 ^& e valueStr = SysAllocString((WCHAR *) L"1232");' y& }; V* a: x+ {) Q, f! P- s
VariantInit(&pokeVariant[0]);
7 \* I$ |- @+ t/ U pokeVariant[0].vt = VT_BSTR;
( g9 g3 {; E7 K5 n0 \: k* W0 S pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 a3 r3 T& q1 e0 u& W
VariantInit(&pokeVariant[1]); * w* U" }: M" i3 T
pokeVariant[1].vt = VT_BSTR;$ T% ^& x' Q1 C) B2 i- S3 P1 L- e& K ~
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
% ?7 Y' B- D# w0 I4 ]& P6 I VariantInit(&pokeVariant[2]);
6 j1 b. G2 e" I3 g: ] pokeVariant[2].vt = VT_BSTR;. p; @' R9 {0 P, R/ m' p
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.' i: d3 F' h. g1 M. M1 W# ^$ a
! e1 h* @# `0 D& { dp.rgvarg = pokeVariant;8 m7 f, t, C+ j: e5 n* E w
dp.cArgs = 3;! ?$ J# _5 |% v
dp.rgdispidNamedArgs = NULL;, c4 T. ^! _2 t, `
dp.cNamedArgs = 0;) A: I; I' Z2 J1 k, O
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// Call IDispatch::Invoke()
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: u! h* u1 \3 p! i5 q hr = m_pDisp->Invoke(& b) y: l4 D8 B U4 @/ }+ `* P
pokeID,
& `9 ]* a4 n6 ]+ K/ i$ k IID_NULL,
4 _% B! {- ?/ l" X7 D$ x LOCALE_SYSTEM_DEFAULT,
; l$ D6 R/ Q; _3 a DISPATCH_METHOD,
2 n' l) V# Q$ G8 J2 ~- h9 Q &dp,/ |7 D4 W% n/ a9 l7 L" _
NULL,% a$ e' [7 h: S8 t
&ei,, Y0 z8 B$ i+ Z% X0 C- }
&uiErr);4 n: V2 u3 Y) `2 @. O2 `
V& `3 }/ \% L* C0 W" i9 U; r
SysFreeString(topicStr);
' e: E) L' h8 G% Z SysFreeString(itemStr);2 \) [5 Y2 M0 o# E* [
SysFreeString(valueStr);
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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???
7 @" U6 l4 W9 n- P: |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; f, S+ w$ L( o- J4 U- L9 }3 k
// Request a value from Extend$ d' S5 a4 @& w
//4 R0 J# H' K* M; v' U* C/ K
// Initialize the variant that will hold the BSTR. Set the variant's
7 z" C, [$ u1 R4 s3 L& Y// type flag to indicate the fact that this variant holds a BSTR. Place the ]+ j: C' m" O7 Z6 g
// BSTR into the variant structure.: ^3 P& k) B( ?' X H
8 \6 j- N% @. w% N6 g requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: K' W- G! \/ u% d5 R- n1 C
; C; k! D8 C( F4 G3 Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 g. g6 U( u9 d- F5 e VariantInit(&requestVariant[0]);
& F8 ]6 a# B5 s4 ?( m7 k requestVariant[0].vt = VT_BSTR;7 p. \7 q' e6 m: ^3 G4 F9 s
requestVariant[0].bstrVal = itemStr;! o# Q$ u7 U w: v
1 \6 M1 V4 G' {# o: ]4 H topicStr = SysAllocString((WCHAR *) L"system");0 v0 w8 d$ T8 W1 s2 |. M9 e
VariantInit(&requestVariant[1]);
: n- d2 |/ Z# H8 ^5 S4 P" D requestVariant[1].vt = VT_BSTR;
3 J5 W! q9 @* \4 y) k( i2 D requestVariant[1].bstrVal = topicStr;
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5 H. v0 r/ R8 P2 Y; e; J3 j// Set the DISPPARAMS structure that holds the variant.
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0 b; u7 m+ w* m8 T dp2.rgvarg = requestVariant;8 X% |6 K% D- @9 k) e
dp2.cArgs = 2;
* P6 y4 k# R! j dp2.rgdispidNamedArgs = NULL;
5 l3 {- T% h b! V' J' M7 E. t dp2.cNamedArgs = 0;6 @5 S6 L! S/ X0 Z2 T- }
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var.vt = VT_EMPTY;- |2 P" w1 Z, B( \" s! _
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// Call IDispatch::Invoke()5 p" j( F0 G f9 W; k
4 U8 M" [( C/ a" I$ S! k; \- A hr = m_pDisp->Invoke(
" t+ u7 f; I0 X3 u( W! U7 V4 L requestID,
4 o0 M0 Q! |% M7 w J IID_NULL, U( [- _4 E2 j' W7 @' ]! ^6 U
LOCALE_SYSTEM_DEFAULT,
( ? y/ }1 y/ _6 d- Z6 j1 k; A DISPATCH_METHOD,' i+ d6 r9 @0 s% A
&dp2,) B) Z7 X$ r0 E( l5 v! ~" E
&var,, O0 x1 ~8 z& T2 g, C( x2 J
&ei,
. S8 U' c0 r3 x$ S& S1 D" g; E" V &uiErr);
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SysFreeString(topicStr);. y, B3 R9 U" w$ k- s5 i1 \3 G
SysFreeString(itemStr);: m; R; c8 z5 b2 g) C9 M& \
请问该程序是获得extend里面的哪个值?
F- {5 [$ v1 \& @" ^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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