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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 \: G r2 h( O% r3 c# TName = (WCHAR *) L"Poke";
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9 J+ h! G( @- L: F; Q6 H, `6 q hr = m_pDisp->GetIDsOfNames (3 r7 a4 m7 Q2 _' f6 e
IID_NULL, // reserved
x7 q5 {0 c; h. Y) ?( j. g &Name, // Array of names to get IDs for8 F4 M& z4 z$ _! _7 W. f" c7 ^; }! {
1, // # of names in the array1 {' k* e+ y; C2 x7 z# d! N
LOCALE_SYSTEM_DEFAULT, // System locale
7 u2 W, H; d" B2 @3 G' M/ y7 K B &pokeID); // Array of IDs to fill on output
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if (hr)
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1 N1 U/ {8 k0 }# W2 i* e MessageBox ("Get Poke Unsuccessful");, q" j: P1 L" ]+ F7 [- ~
return;. I3 }1 Z4 {: a" n, `2 q# l( T1 _
}
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1 `4 v# ?% w4 x4 A/**************************传递数据给extend**************************************/& D5 a z% I( E2 I$ d) c
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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) U3 n9 p5 P& W$ b) J valueStr = SysAllocString((WCHAR *) L"1232");9 g c+ K9 u1 @& \) W I3 ^; X
VariantInit(&pokeVariant[0]);
+ C4 g! g. w# ?9 C* Y6 | pokeVariant[0].vt = VT_BSTR;
8 A' r3 k1 m1 ~/ j1 n6 V' [* | pokeVariant[0].bstrVal = valueStr;
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' g/ {4 i, s4 J itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 U9 R, ?9 {5 y4 t9 C6 v1 q+ c VariantInit(&pokeVariant[1]); # S2 C& N0 X* P
pokeVariant[1].vt = VT_BSTR;+ x0 @4 I5 Q n3 C+ P. ~7 N3 ^
pokeVariant[1].bstrVal = itemStr;
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/ {" B5 e6 ~7 c topicStr = SysAllocString((WCHAR *) L"system");5 v4 U) n8 N; Q, w8 h4 X, y9 d3 ]
VariantInit(&pokeVariant[2]); 1 L. m3 F2 Y; F7 Z% F
pokeVariant[2].vt = VT_BSTR;
V) ?+ F( t4 E* ?, a4 w3 Z! O" c8 x* F pokeVariant[2].bstrVal = topicStr;8 r( K* F' v. u4 w5 N- }( A% Z
1 J4 T# E' o4 F8 w3 N2 l2 M' ?// Set the DISPPARAMS structure that holds the variant.
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7 M( F( Y* I0 O0 ]1 ~/ k6 M dp.rgvarg = pokeVariant;/ ?: p% x( h6 ^; |5 P3 a0 z* ?
dp.cArgs = 3;
9 g9 K9 T: E3 N4 o5 F( p5 G8 t4 o# s dp.rgdispidNamedArgs = NULL;/ u9 b" |3 D1 X, d% E% }/ a
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()$ F y% q2 u0 v9 M
8 U4 [: [3 |3 }7 f hr = m_pDisp->Invoke(! z ]4 w- ~( c0 E
pokeID,0 t2 {% `3 F. D# n U T, l9 S9 x
IID_NULL, H* ~8 k' u, J0 K* Q( A* {, }
LOCALE_SYSTEM_DEFAULT,
$ E) u: j: L; j# C% |2 M7 B" {1 h DISPATCH_METHOD,
' b4 P. m( x' V5 T7 L &dp,: ^1 i' @! y- w, C
NULL,
1 O: A( d9 F: \, m/ f8 n) E4 f &ei,
( H3 L5 x/ u Y8 b# P2 o6 }6 x &uiErr);- S, L+ P" _2 F% S% A% `1 j
3 j, f, C0 V7 m6 G5 {& r SysFreeString(topicStr);. q3 O" N) B% P8 _, ^( c6 j
SysFreeString(itemStr);
; G j4 u/ n" [; c; P' f1 n Z1 _& v. H SysFreeString(valueStr);
+ v% I0 v6 R; ]5 M9 V9 ]3 a5 \: }
+ Z2 r `& M- @* B/ t+ 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???
+ v2 G" K F9 Q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
; c3 \9 x. v' e% O# e// Request a value from Extend
8 C* {+ ^: z r* v/ c//
4 W# v! a9 m8 G$ v# K! ?3 Y$ G3 T// Initialize the variant that will hold the BSTR. Set the variant's9 W8 T+ R( p4 ^6 ^4 E) N# Y
// type flag to indicate the fact that this variant holds a BSTR. Place the6 ?2 e; ^. N' a% e+ u6 {8 x& u
// BSTR into the variant structure.
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6 V z1 }1 e; k5 L ?6 C6 n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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: U, ?/ B" [" Y" n, w7 U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ q) K; w: |7 w4 T& ~& G
VariantInit(&requestVariant[0]);
^3 j; y8 Q9 J$ H) o! j& N) h; F' R requestVariant[0].vt = VT_BSTR;
$ i a. J* D$ O requestVariant[0].bstrVal = itemStr;
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. E" g$ |; S6 C* F topicStr = SysAllocString((WCHAR *) L"system");& \4 d/ f) M$ l$ v3 G6 u
VariantInit(&requestVariant[1]); ; d/ [2 w8 x4 C) D/ I
requestVariant[1].vt = VT_BSTR;9 W& s, J4 ~: ~# @6 ]) c
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;3 s( N0 x1 J% f
dp2.cArgs = 2;
( q7 G( l' K* L9 {' t* I! t$ t dp2.rgdispidNamedArgs = NULL;
; m" |: N& N4 {7 ?2 a dp2.cNamedArgs = 0;
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0 L7 `' W8 d% d3 B8 _3 s var.vt = VT_EMPTY;
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* V% h$ p3 x Z6 r0 h// Call IDispatch::Invoke()$ s4 v' n, Y& K% l
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hr = m_pDisp->Invoke(1 V2 F5 |$ K7 t1 @
requestID,, @1 h& I( |0 a$ ]
IID_NULL,% U( T+ d# N) g, ~) j, h% j
LOCALE_SYSTEM_DEFAULT,1 M8 m. w D9 L8 Y
DISPATCH_METHOD,
. v/ G, L* q& n6 T* s# n &dp2,* o- I% y* f! `' m) f' ?
&var,
! O% \3 T4 A/ ~3 X &ei,
[) f% o9 s7 T0 K/ S" S4 c &uiErr);
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8 j( ^; m |' f% Y: \/ u) C4 @' {% f6 Z SysFreeString(topicStr);) g& ]! N; {4 c6 H
SysFreeString(itemStr);! _4 i5 [8 J' ]7 J4 b
请问该程序是获得extend里面的哪个值?
$ Y: q# {% J% Z( y5 l0 `7 j4 D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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