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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:, P0 G J% K6 }, A, n0 I" a8 m
Name = (WCHAR *) L"Poke";9 K. `3 \- G8 e( I# ]( F
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hr = m_pDisp->GetIDsOfNames (
4 A+ x5 m4 n: l& P( R IID_NULL, // reserved
6 p; y+ P0 f, | &Name, // Array of names to get IDs for8 F* H4 a1 v- d, g: W" s
1, // # of names in the array
& J: m0 \. a: V2 i. v9 k$ q0 B LOCALE_SYSTEM_DEFAULT, // System locale3 _& `7 Q) ^+ h9 K
&pokeID); // Array of IDs to fill on output4 m% O" Q+ o- ?2 v! [9 ^$ `0 T& H r; |
/ Q+ i7 ^9 `/ ^, C* V
if (hr)
2 ^: b" m2 [ w! T8 n3 F4 Z! \( m {
' ?5 W( _* x2 l0 ~+ D MessageBox ("Get Poke Unsuccessful");
% }; Y3 w- e8 b6 Z4 M) ?* G, | return;! u! ^& \6 H0 a5 M9 y
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/**************************传递数据给extend**************************************/% ^5 m7 M" f( @# S1 U1 L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 E& s; d! r, l7 z! T1 }
8 `' Z7 G: A8 m2 t. ]/ p valueStr = SysAllocString((WCHAR *) L"1232");
! G2 \. t* j8 ?$ y7 |1 |% A VariantInit(&pokeVariant[0]);
% s" F- l/ f8 [7 c! ` pokeVariant[0].vt = VT_BSTR;5 p: A% m( o9 c
pokeVariant[0].bstrVal = valueStr;, g* G( W# ?* E7 {$ s, ?, V
+ M7 H' c) K# `+ t* A9 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! G9 x8 }/ `1 l5 H7 _6 T9 T2 D VariantInit(&pokeVariant[1]);
h( U8 o1 @# y2 S% \7 g; L- M pokeVariant[1].vt = VT_BSTR;, k2 O: |1 A( V* x
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 W% b: D* B: q2 P0 o! p$ U
VariantInit(&pokeVariant[2]);
l! b( O ^$ |: p! y" ~ pokeVariant[2].vt = VT_BSTR;. P5 Z5 N8 v) Q: Z/ O" Q
pokeVariant[2].bstrVal = topicStr;* c O) B( P0 a# |+ |
1 n0 n( M; O" ~$ j" D7 j( e( x// Set the DISPPARAMS structure that holds the variant.+ |1 I2 \7 g9 _- x i# K: n6 j
. S$ a0 f* C( J$ W {" e7 e dp.rgvarg = pokeVariant;
. [! L0 ?* y |2 c! q0 C dp.cArgs = 3;
% _( [ l5 u3 U) E/ h dp.rgdispidNamedArgs = NULL;
1 Y- @2 t' I' _) C dp.cNamedArgs = 0;
2 m5 ~' p0 @. e
@# I" I8 J2 k" V// Call IDispatch::Invoke()5 G$ C, g' S1 `* K$ u2 i
' D: z7 e8 a. }- Q$ P7 w hr = m_pDisp->Invoke() P8 O: f C( C6 d! o
pokeID,- b1 i/ V( F* ^0 E' Q- o
IID_NULL,, V6 ^. z9 L* C! ]- ?" k+ C) \
LOCALE_SYSTEM_DEFAULT,
6 |1 R# |: L8 H- J, F _* U DISPATCH_METHOD,/ C* c7 l1 w+ c" x2 F. X) X! s
&dp,3 i( D& | ]4 n( c+ M8 C+ }
NULL,
! \7 Q8 ?+ ?# [3 _# l: ^ P &ei,
$ i0 s: o, X! N% [, b9 C! c7 x; e &uiErr);
4 b0 V0 r! R. |% U: k* w; V: u$ D$ O& p7 B% X& ?' d
SysFreeString(topicStr);5 d6 \* q2 S. h, b
SysFreeString(itemStr);
6 F3 u5 B2 m( F$ a" c, C SysFreeString(valueStr);
# f* p4 ^: x; Y2 F! l9 Z' G x+ k* \+ t- h2 I. @: i4 q( N
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???9 n( ]! x$ w" d
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????
: p5 s) C) t2 V% Z/ ~5 c- @1 H: }$ C" S& X* R% p: M
# r8 O4 u5 U; F( \$ |' `/ ?; m
2.这是request的程序
' B* G( J6 ]" N- S6 ^4 |// Request a value from Extend
) ^" N- k6 B& O) R& z+ v. v( _//
$ s/ ~& j1 Q- i% x" O// Initialize the variant that will hold the BSTR. Set the variant's
( y; i# H& w, L; V, W// type flag to indicate the fact that this variant holds a BSTR. Place the! L9 m' G. V6 O) }2 S/ M
// BSTR into the variant structure.9 ?$ S C& P. I8 x' v9 z% N" a' J2 u
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# m3 d7 W9 t# S3 a; H* N$ t2 h
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% B$ X- o2 e' h% Z. q1 m VariantInit(&requestVariant[0]); $ Z6 h, t# V; v9 J
requestVariant[0].vt = VT_BSTR;& y; j/ U6 }- ?1 ~
requestVariant[0].bstrVal = itemStr;
( |! \; h0 p! c* d. r c- N: _8 S4 x: i
topicStr = SysAllocString((WCHAR *) L"system"); ]* F. F* r3 f2 {2 Y
VariantInit(&requestVariant[1]);
* Y+ C: Y6 n& x, g k requestVariant[1].vt = VT_BSTR;" A) C! |( Y0 O
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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. u' {7 a! u6 R9 F) m dp2.rgvarg = requestVariant;6 i+ N k/ o. z6 O$ F9 R
dp2.cArgs = 2;
3 G: C/ k( d* H4 h6 f8 s( h dp2.rgdispidNamedArgs = NULL;
% m' `* |& v# w dp2.cNamedArgs = 0;
! w9 w; H! ]* [0 [- ^8 t7 ], I' j9 U) ], @
var.vt = VT_EMPTY;' @! l) f0 |* @7 T
/ b' f% F/ O9 q! \// Call IDispatch::Invoke()# b, ]1 Z6 J4 j9 a8 }& h
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hr = m_pDisp->Invoke(
g4 t. q* M7 _' X# f4 Y requestID,
9 ^5 \7 b7 p$ L' I* `: C# a( T IID_NULL,; N6 t, ]. l: S3 l, b% D8 m5 c: i- Q
LOCALE_SYSTEM_DEFAULT,
/ q2 B# X* L. M5 p1 R8 r DISPATCH_METHOD,) ?1 s$ G3 }+ M1 X$ n( p9 K
&dp2,; F8 d+ F. [ V7 b- a7 \* Y; w |
&var,
* v+ G# } g# O3 ?% x7 N &ei,8 w& p5 y' \( h% _# Z
&uiErr);
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SysFreeString(topicStr);
9 G- Q- x p0 U5 y SysFreeString(itemStr);
+ q; @- c+ h3 r/ m0 r请问该程序是获得extend里面的哪个值?2 P% _7 t2 F( b0 b% P4 B) ?& 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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