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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:
3 O6 {3 t, J' n0 MName = (WCHAR *) L"Poke";" i& b! V: K4 M- g4 v' A, z
# a: j4 I8 s, I& `' ]
hr = m_pDisp->GetIDsOfNames (' _4 u" P% U9 Z; s* x
IID_NULL, // reserved
1 C/ q9 ]( Y, W- i' o4 | &Name, // Array of names to get IDs for
' c0 \8 ^" O% b/ t6 ]' S$ r [ 1, // # of names in the array
, x% C; n5 L! f" L3 t0 J0 D" b LOCALE_SYSTEM_DEFAULT, // System locale
, E2 }- G- f. p! ` &pokeID); // Array of IDs to fill on output
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% _6 e9 X% q0 ~5 [$ z' r if (hr)5 ?! f! v5 h9 Q; Q K0 ]: D& M1 M
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MessageBox ("Get Poke Unsuccessful");
) j( h9 u4 q1 z2 l _, Y return;; g7 K9 [1 m7 _5 v; \; K2 n
}
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; F4 l1 @: [$ P( b5 y0 q# \) [# y/**************************传递数据给extend**************************************/
0 Z. d& X7 F* p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" I8 S1 I' z& I
# G1 l2 X5 t) U; [, l, l
valueStr = SysAllocString((WCHAR *) L"1232");# @( c' l1 o1 g1 [( l- Z1 f
VariantInit(&pokeVariant[0]); & R% m4 v( ]. U0 }
pokeVariant[0].vt = VT_BSTR;- \8 C' A& w' `& h
pokeVariant[0].bstrVal = valueStr;
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3 [$ N6 P" K5 |* I) n! j itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 Y% H, D- R4 p' T' g8 u. ^# Z
VariantInit(&pokeVariant[1]);
, ]2 Z9 v0 V! J, U pokeVariant[1].vt = VT_BSTR;. p2 m' _2 N9 M' W
pokeVariant[1].bstrVal = itemStr;, ], D+ D! p# H
* u2 q9 o* \! p! U& k# B% V9 D( e topicStr = SysAllocString((WCHAR *) L"system");
6 x& |- X: g* `: l VariantInit(&pokeVariant[2]);
% b6 u% x7 `' @+ m pokeVariant[2].vt = VT_BSTR;0 I: E% k$ K3 r& e1 g# f+ R
pokeVariant[2].bstrVal = topicStr;8 h( e2 Q' P7 @3 c5 r
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// Set the DISPPARAMS structure that holds the variant.
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# c7 {- J5 f1 e7 l! D' F dp.rgvarg = pokeVariant;* P. [6 Y' M" s U2 g x( I
dp.cArgs = 3;
) R( W! K' T' m. K, [: t3 d dp.rgdispidNamedArgs = NULL;
4 F! @) e& |! {' R dp.cNamedArgs = 0;6 W j6 T1 q7 L+ d q) ^
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(# G `) h0 j$ M) x$ u( @9 R
pokeID,1 |, m' \7 N I
IID_NULL,
! x* Q9 q* J' w+ r LOCALE_SYSTEM_DEFAULT,
6 ?: P3 @" B3 w+ m DISPATCH_METHOD,9 E( [3 s6 K2 o9 K2 r/ I4 }: v9 ?
&dp,: B5 o8 l' E+ H4 }0 k+ L
NULL,/ `( I6 \5 c! {" D
&ei,9 ]! K" K; U* }6 h6 d8 E
&uiErr);
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% v4 ~% [; `5 f0 A+ i SysFreeString(topicStr);
+ d# [: A! t" [ SysFreeString(itemStr);) B/ o% N. [* B& }9 {
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???! U2 a c6 I ^6 s5 V
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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, f' q& j4 r. Y' f, ?' {. L2.这是request的程序
" s0 @+ c' p) l# g// Request a value from Extend, _( F# P. F1 c, V% @/ `
//
! a: w) Q3 I$ v7 W# o! f// Initialize the variant that will hold the BSTR. Set the variant's7 g% k4 W/ B2 v6 A. y* @0 `6 {$ C
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 X0 }1 _4 P3 t8 O+ x9 V( O// BSTR into the variant structure.
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) R# L5 a3 J- t8 w. L2 n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ {% Q. J" ]: j: E# T7 ]( r ) B$ E- F) s9 u I# X8 k, J/ L
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 D" t8 Q ^0 R5 g2 v! z1 T; `
VariantInit(&requestVariant[0]); & P( T9 z' W: O3 I+ V# v z/ x
requestVariant[0].vt = VT_BSTR;" J) v* ?+ l+ y% F8 w
requestVariant[0].bstrVal = itemStr;- q$ i$ T, M" j% ?
8 d* K T, ~, u topicStr = SysAllocString((WCHAR *) L"system");
6 k4 r: T+ A( e VariantInit(&requestVariant[1]); + i' R& T; L- r) w8 G7 M' ~+ k$ x
requestVariant[1].vt = VT_BSTR;) c* p/ C: C$ {* S- S
requestVariant[1].bstrVal = topicStr;
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* n4 J; O* O; P% R// Set the DISPPARAMS structure that holds the variant.
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5 R9 V3 r1 Z# d) \4 r dp2.rgvarg = requestVariant;0 Y0 S( u% e7 n( z8 ^. ^
dp2.cArgs = 2;
( i' u+ I4 e v8 H9 X r dp2.rgdispidNamedArgs = NULL;
1 y) ]- I0 h# ?1 V dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke() k' ^$ |5 [# J8 ]7 U& e% z3 B$ Z0 G
requestID,
" C) h v0 {' _( Q8 l! R IID_NULL,
- i0 E3 S, o. [ Y1 q LOCALE_SYSTEM_DEFAULT,
0 A, X3 w/ h+ N% A# w0 J( g DISPATCH_METHOD,8 l# t/ W9 u9 q; f T9 R! ]
&dp2,, _8 F2 T$ n: F7 B" d0 j( W
&var,
7 R4 B" y& k% D, _3 [ &ei,
+ c4 }7 ^) o6 m1 F! m- D6 s( }. e &uiErr);
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B* R7 R% Q' d# I2 j SysFreeString(topicStr);# a$ L1 l+ L# |. c; o4 a# \
SysFreeString(itemStr);
- c5 g0 Y% p& x" Z2 k. c; ?/ F请问该程序是获得extend里面的哪个值?
; H: ?' T6 S! B- b4 d6 [* @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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