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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:& m2 v, x' B/ _2 J
Name = (WCHAR *) L"Poke";: U: v: Y: ?" R( j E( U! t
3 U# @1 @ J7 C+ h0 J+ J) c
hr = m_pDisp->GetIDsOfNames (
1 a: x( J! [6 a! \7 t* U0 `* ` IID_NULL, // reserved, g4 e% q# D# ?
&Name, // Array of names to get IDs for
! E: L; |- q" n 1, // # of names in the array
% J P8 ~3 n% x5 U LOCALE_SYSTEM_DEFAULT, // System locale
/ F4 f) l6 n; ~- V' j3 P &pokeID); // Array of IDs to fill on output
" H( D3 ?3 q' m! R% q1 ~ * V9 t, X) n/ d: x
if (hr)
* I5 B( s, X5 c, z1 j( L0 C2 F {
7 r$ n! q/ g0 ?; z* w0 v5 q MessageBox ("Get Poke Unsuccessful");7 U: x1 J3 [# Z T/ f* P
return;
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* T1 \+ t' d# k+ M k A
: p4 y" B! n+ W9 A7 ~" Y1 k& ]/**************************传递数据给extend**************************************/) y, @# L! W" J. d0 Y5 c# c, Z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* ?8 j! c8 i6 O3 b; R( ~2 p9 R) ]
) }9 x6 q" }( V6 n T: H6 l5 ~6 Y valueStr = SysAllocString((WCHAR *) L"1232");% I. l7 q5 P& q$ U) x
VariantInit(&pokeVariant[0]); {" k( r# x: g1 \0 j5 {2 E3 T/ v
pokeVariant[0].vt = VT_BSTR;3 P# D8 M2 Y. T* J. T
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ B) G+ B! n3 f& l9 S8 E) A& n VariantInit(&pokeVariant[1]);
0 ]% Z; p6 Q. w2 h pokeVariant[1].vt = VT_BSTR;- k, y& |7 u0 S3 b6 ~( d4 [) ^
pokeVariant[1].bstrVal = itemStr;+ j: Z7 P9 G0 A+ j7 N. l
! S j6 p% T0 {7 k# g+ T
topicStr = SysAllocString((WCHAR *) L"system");
6 ]5 Q2 m) D, B VariantInit(&pokeVariant[2]);
; O2 x% J: @. A; d pokeVariant[2].vt = VT_BSTR;* G* m# D, F: c8 h4 C
pokeVariant[2].bstrVal = topicStr;
/ Z8 o \4 p \( u; v
$ B* }4 \. A4 q% `) m( Q7 J1 o// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
" l$ }4 S- @. j+ h1 O! w dp.cArgs = 3;
% ]4 |0 v( N. i dp.rgdispidNamedArgs = NULL;: y7 Q3 F4 j. b# G% I
dp.cNamedArgs = 0;! g# y# P: ]" @6 N1 q
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// Call IDispatch::Invoke()6 t# s. b, D: |8 q
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hr = m_pDisp->Invoke(3 H+ B9 P8 z; k( h& t+ W
pokeID,
9 \. f$ S3 e: I' ?5 t IID_NULL,
9 P/ |5 v- h$ q- k ^ C LOCALE_SYSTEM_DEFAULT,
c2 K2 C) g% v- l# t a DISPATCH_METHOD,
& j) A2 d; h8 A2 r2 ~- D$ h &dp,
; l$ B: `0 c, K' F( P4 \' B NULL,
0 r$ |0 X- o% G" L" H0 d &ei,
3 j0 | C1 g" \( X& ]7 H &uiErr);5 j$ n- y2 B7 Y8 Y" y
2 D& F8 C! X8 {$ Q9 a SysFreeString(topicStr);$ N# H" O t4 u& d; V
SysFreeString(itemStr);
- G4 v5 \ n* L o; H9 |2 M SysFreeString(valueStr);, j0 {# K5 u9 P/ ~7 F; j
. O, c$ `8 V9 \' M8 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???
7 H/ e; H8 e8 D. m- 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????) {# Z/ X1 @+ h: l H
: Y- e9 }7 A0 M& ]" a
8 m& F6 f# o3 s( i3 d+ M8 |6 [/ a0 E2.这是request的程序5 l8 \/ ]1 k% W j+ x
// Request a value from Extend
( m; Y+ |5 x$ S3 ~6 P- K//
9 |8 m$ \- b5 z A, [. V* _// Initialize the variant that will hold the BSTR. Set the variant's
0 a( k8 h( | C- L6 j( e// type flag to indicate the fact that this variant holds a BSTR. Place the
Z& J' X- u5 U, }$ U! e5 |// BSTR into the variant structure.9 W( t5 L. L+ j$ j
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 Q2 r3 x- w) W% L/ R
VariantInit(&requestVariant[0]);
3 T6 e6 }7 b# G! b requestVariant[0].vt = VT_BSTR;
: t) i1 q# M, a1 M requestVariant[0].bstrVal = itemStr;) a1 a0 K3 ?, p |8 e- Q
+ W- H* Z E- D) r8 j7 D- s6 D topicStr = SysAllocString((WCHAR *) L"system");
. B; q) S& [. ~: N/ T) z VariantInit(&requestVariant[1]); 3 K' q% e8 r- L. p* y
requestVariant[1].vt = VT_BSTR;
9 Q1 A. t& c) {6 {7 Q' C requestVariant[1].bstrVal = topicStr;, }# p) S; k- M3 B1 u* R
6 N3 i: D1 r9 t2 x) p, _0 D// Set the DISPPARAMS structure that holds the variant.! W" I* i4 T9 p. u b
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dp2.rgvarg = requestVariant;
7 u; f; u) @" |9 f* \9 O+ ~6 @ dp2.cArgs = 2;
U4 {! K, d2 g8 e- w$ Y dp2.rgdispidNamedArgs = NULL;
9 _9 J7 R# s" H& @ dp2.cNamedArgs = 0;' Z( \$ h; F/ b ^" N# n1 a
3 X) g$ V/ {- N% P1 a var.vt = VT_EMPTY;
6 H/ b! v6 c1 A/ _
" N6 J, {: Z( c" A// Call IDispatch::Invoke()
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4 L3 K% i- F! s; B/ S) e$ H3 @' T hr = m_pDisp->Invoke(
7 ]1 _. ?5 \. J& {1 T requestID,# p5 z- U5 X, ^9 V
IID_NULL,
5 a8 l9 @% Q# @9 h! F* K LOCALE_SYSTEM_DEFAULT,
}8 F+ t% D( l0 v [, V# Y DISPATCH_METHOD,
* M0 S) T# A, M2 q3 U) U4 b/ l &dp2,
1 u- H& N0 b$ d3 j% H% m6 q9 A) ~ &var,
% w) g6 M3 B9 @: y% B! L9 ^ &ei,
) R$ j. T; i5 w+ r0 A9 {4 d0 n &uiErr);8 J5 ]( m8 L! f# L2 Z$ m* T K1 K
{' {' Q8 |% Y4 P! A7 b SysFreeString(topicStr);6 c3 ^, P; f* F4 B
SysFreeString(itemStr);7 b+ C7 X) [; m
请问该程序是获得extend里面的哪个值?
9 Z y+ w8 L6 {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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