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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 o) r- _& A2 ^3 G7 BName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames ($ i* [! R" v6 n1 ^
IID_NULL, // reserved
x* F s4 |! q' A, X- f* | &Name, // Array of names to get IDs for
- c; A3 o$ f4 J3 V, K F1 F- ] 1, // # of names in the array6 A+ Y6 d, C( {. [) n: W
LOCALE_SYSTEM_DEFAULT, // System locale/ X6 a9 Y }9 x# m9 x
&pokeID); // Array of IDs to fill on output
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if (hr), A! R" D0 s% I9 t* u Y5 `
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MessageBox ("Get Poke Unsuccessful");6 ?& x! U5 T& \" z9 M
return; a! b8 k u# q
}
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, k M0 e. T, i: p& X( I/**************************传递数据给extend**************************************/( M. D) K4 q7 p* V/ i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) v# j/ l* v/ A
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valueStr = SysAllocString((WCHAR *) L"1232");3 S, a' v# v2 t' H; N
VariantInit(&pokeVariant[0]);
( [- z: k/ q! N; V" T pokeVariant[0].vt = VT_BSTR; `: B0 b; q2 `- Q( \" j% E* ~& i! _
pokeVariant[0].bstrVal = valueStr;
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0 a8 j& C/ h& ^7 S itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 ?. T8 D2 g0 G# L VariantInit(&pokeVariant[1]); ; s& H6 j4 [, Z7 e- ]
pokeVariant[1].vt = VT_BSTR;* `6 w! y7 {1 s, V% e4 q
pokeVariant[1].bstrVal = itemStr;. Q: A3 D% f& S) s# i) M
- C; }2 I5 p, l topicStr = SysAllocString((WCHAR *) L"system");3 ^: B* C; B! ]
VariantInit(&pokeVariant[2]); : o' |4 j0 k" L* u
pokeVariant[2].vt = VT_BSTR;
$ |1 C* M) `, F9 A6 A pokeVariant[2].bstrVal = topicStr;6 T2 X: M$ _9 v0 H1 S/ ~) s' F5 d
3 b+ V9 `: c+ m3 e; ~: S A// Set the DISPPARAMS structure that holds the variant.2 ~: |: z/ v. r: o$ b$ C
3 @' y' l7 d/ x9 _! j2 I dp.rgvarg = pokeVariant; B5 L: _- t6 x
dp.cArgs = 3;7 R, I1 y# s: s
dp.rgdispidNamedArgs = NULL;& P9 f" k" E* j' W O
dp.cNamedArgs = 0;& i/ `9 V. V/ j6 G
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(( m) A# i6 r$ z2 z
pokeID,
) R3 j. Q6 q9 m7 L IID_NULL,
5 e8 ?7 h6 y/ l1 | D LOCALE_SYSTEM_DEFAULT,7 i" e, ?3 r y+ r* j6 g
DISPATCH_METHOD,
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NULL,* _4 K. r0 x% O5 O: ]5 f0 E. T
&ei,
/ K% A5 s! B% ^8 J. O &uiErr);
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SysFreeString(topicStr);
7 \; N6 W' E; Y+ O+ L! D SysFreeString(itemStr);
; F9 R) G7 _, r' m/ M5 k SysFreeString(valueStr);0 N4 I+ m6 Q" z- R. i/ y- Q. m& a
0 p/ e E. c9 ~8 I1 E* j/ a# v0 U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 t# k6 @; e# 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
, T! `! B" \# z9 m, _7 ~( l& r* ?// Request a value from Extend' @* h) D" i8 @: |! S5 f% u" a
//7 r* L& Y$ N1 u
// Initialize the variant that will hold the BSTR. Set the variant's
- K2 ~0 b2 p: F// type flag to indicate the fact that this variant holds a BSTR. Place the& z7 P) {+ Q+ S6 ?" w% y8 Y
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 d7 I/ J% h" l8 m/ ^2 W
VariantInit(&requestVariant[0]);
5 d5 O' f) T$ h* _4 i requestVariant[0].vt = VT_BSTR;( }: n8 O$ E' q* ~9 }
requestVariant[0].bstrVal = itemStr;; @. s1 E# P# {+ m0 u8 V3 n3 I
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topicStr = SysAllocString((WCHAR *) L"system");
* C* V! y; y5 i$ G VariantInit(&requestVariant[1]); $ C$ g, x0 h ~7 t4 l
requestVariant[1].vt = VT_BSTR;
, t8 k5 J" X. t, k requestVariant[1].bstrVal = topicStr;* T( V% S6 o" ~- j- c/ y
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// Set the DISPPARAMS structure that holds the variant.1 b( U# C" E5 {+ @
& Z5 Y0 h- z: i8 Q; o5 M1 J. P dp2.rgvarg = requestVariant;; e' Z/ ~& Z; e) w; `- H. M
dp2.cArgs = 2;' z& s1 r$ q3 {9 P" P4 Y: O6 j
dp2.rgdispidNamedArgs = NULL;' s! d/ k3 S( r/ K5 G
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;, o; d) S: f$ y7 k' o: O# V; ], y% G
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// Call IDispatch::Invoke(). i4 r0 S' y4 Z) D# s( _7 W
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hr = m_pDisp->Invoke() y" c, s2 @3 v) o8 u6 M
requestID,
4 o: E& H6 l, Y. ]1 Z IID_NULL," Z5 [! a3 H t3 o
LOCALE_SYSTEM_DEFAULT,1 x# N) @" ?1 [# f6 p
DISPATCH_METHOD,
# F8 p- l' c* D3 Z/ r$ L' B &dp2,$ c0 x& @$ f. ^. u6 j
&var,
8 w* S* m. L' g* ]9 R3 M &ei,
+ C0 |( D( j1 ]3 l &uiErr);' E) G l" i) i9 A7 J
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SysFreeString(topicStr);
; J7 g) K5 L I% c/ x" Y SysFreeString(itemStr);& I8 d1 {2 @1 L6 e" d# Q2 Z
请问该程序是获得extend里面的哪个值?
! A& S* {4 ]- k: x/ v) |, F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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