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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 F: O, v2 A. r: U2 q
Name = (WCHAR *) L"Poke"; U5 f0 _, {4 v- y" u$ d& v& ~; }
* X9 G# C) c$ q2 G4 w9 X
hr = m_pDisp->GetIDsOfNames (5 m3 G% N w0 q. N% f2 N' z
IID_NULL, // reserved
$ r. t/ a! ~1 `0 w8 m3 m7 d8 h &Name, // Array of names to get IDs for2 D. F7 A0 j; c9 r0 M. t, M
1, // # of names in the array6 k: ?! x$ n+ \, h, k' O
LOCALE_SYSTEM_DEFAULT, // System locale
, ]8 h; ~- v! Q4 Q* w$ q &pokeID); // Array of IDs to fill on output
# ^' g6 U. y; y
- a& p& g* r5 v if (hr)
`& k, c6 C6 A {
, a/ I# X8 C- t* G MessageBox ("Get Poke Unsuccessful");
; P, x- ^# Q% A6 L: M$ k- G+ p& H return;
& O1 r, ]! R, A9 K& _3 z! { }
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/**************************传递数据给extend**************************************/- v# `1 M1 y7 d7 ^% K; T0 J
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" u! E" J" f0 F% k+ k! d
" \2 x5 w+ T$ O$ p2 x+ u8 w8 X5 A valueStr = SysAllocString((WCHAR *) L"1232");4 H( Q* B, L, t0 l
VariantInit(&pokeVariant[0]);
2 t! E2 e( H5 I E$ w( ]' I% S( J) y pokeVariant[0].vt = VT_BSTR;
4 z" N4 W, {: V. n( l% N E9 R pokeVariant[0].bstrVal = valueStr;
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! A/ B. {2 o" `. p# s' J. T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! k& M+ Y* W+ W& K/ W: J VariantInit(&pokeVariant[1]);
& L( X9 R; a( Z5 g3 u' A. `6 n4 g: ] pokeVariant[1].vt = VT_BSTR;
+ n4 h9 ?5 V% J" y9 i) e pokeVariant[1].bstrVal = itemStr;9 m H4 u( P+ J0 t0 _9 L! M- `
% [: X/ g' U7 [# f4 B4 h
topicStr = SysAllocString((WCHAR *) L"system");
9 s; g( Q4 Z# z- ~+ R; t0 ]9 w1 t VariantInit(&pokeVariant[2]);
8 u3 q! V* l4 M- _; [ pokeVariant[2].vt = VT_BSTR;
- _, ^7 ]( S0 \1 r; I2 N# _) |& { pokeVariant[2].bstrVal = topicStr;% m T) @& {4 e1 ^; Y3 Y2 y2 g
8 X/ I h2 Q$ F' H+ q( S. Y( @: Q) b// Set the DISPPARAMS structure that holds the variant.+ z* |6 s" e _: c/ v, x
+ W7 z( n8 C4 f1 t dp.rgvarg = pokeVariant;) f$ V ?9 T5 c
dp.cArgs = 3;4 I% \- J" p5 r3 `
dp.rgdispidNamedArgs = NULL;, `/ V" [3 i: p Q6 l7 p
dp.cNamedArgs = 0;' W A! I9 Y; t# v
9 D; I$ x( g( n- }# `6 P& \
// Call IDispatch::Invoke()% [& r3 I! c4 `6 q) K
6 c8 X+ C( S( I+ H; A hr = m_pDisp->Invoke(
5 I; L) U& y1 [6 ?/ a pokeID,
: ^( c% I" a* }9 A( g IID_NULL,
( h+ Y- R3 f# N+ ]1 Q: r LOCALE_SYSTEM_DEFAULT,
# E5 i5 y4 ]$ t( C9 @/ | DISPATCH_METHOD,
" J5 R) g$ G# M3 W0 ? &dp,
9 s1 z) V4 H' o. u: ?% [ NULL,
8 i: O9 P: Q: A- P7 m7 V &ei,3 K. v8 z% Q% u" w2 `
&uiErr);0 O% G5 s/ t- D6 P
4 f# ]: Q ^4 Q
SysFreeString(topicStr);
/ {; c) {: L# K# ?6 J4 I SysFreeString(itemStr);4 `8 r% F! Z1 V
SysFreeString(valueStr);
* D5 _* p4 s* m9 y, l
( K# x. c1 M% t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???. w) _5 d2 j- G! e4 L% _ ~
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????3 W9 y- Y5 s2 k- A8 s. ~' v0 W
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1 a3 h6 n1 T4 e
2.这是request的程序 b- X6 v6 ?$ T% ?' P7 N
// Request a value from Extend: [1 Q2 d* Z! p0 A) k- B$ g8 f
//
% h5 s7 L }4 R8 L/ x// Initialize the variant that will hold the BSTR. Set the variant's
3 p2 a( x3 b1 [3 o2 k- j& O# d// type flag to indicate the fact that this variant holds a BSTR. Place the
% k, s+ ?3 e+ \, ?3 y. |- g// BSTR into the variant structure.
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9 m; ^6 p: k/ O4 j+ T* z5 e; g requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" O4 z. f; t0 T; M, g8 I1 p VariantInit(&requestVariant[0]); 3 Z; P& j+ b8 Z
requestVariant[0].vt = VT_BSTR;' O* Q( c4 W$ t1 `- @
requestVariant[0].bstrVal = itemStr;8 Q1 ?2 t8 v* n& Z1 R
v( A0 b2 Z- V9 g1 i) ] topicStr = SysAllocString((WCHAR *) L"system");& D! U" v% q: }) e6 U
VariantInit(&requestVariant[1]);
0 n1 B7 K# @6 o, R% _; o requestVariant[1].vt = VT_BSTR;
9 v, e, x' M- l6 D requestVariant[1].bstrVal = topicStr;# F" G5 R* J. x. V+ s- {
: { n0 Q+ J2 ~% H; d9 W
// Set the DISPPARAMS structure that holds the variant.0 {1 C' _ ~" l; ]0 |" P. s$ Y' ?) a: j
% n9 k8 t# |# o+ I9 a, a dp2.rgvarg = requestVariant;
$ C. J/ V) X; {/ X" T- R dp2.cArgs = 2;
1 m; H8 o) p6 }2 Z; g3 v) @1 c* M dp2.rgdispidNamedArgs = NULL;! j1 @- C& |% r0 ?
dp2.cNamedArgs = 0;; v, {- ]/ A' c3 `' v0 v1 ^
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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G* \/ R8 ]# R0 o% h3 V; X: ] hr = m_pDisp->Invoke(
8 c6 O: J+ Y3 J; p requestID,
6 |9 d! v/ h. ?5 w' Z3 k IID_NULL,
9 ^: p7 H; y" D1 B( P7 z: P# O LOCALE_SYSTEM_DEFAULT,
3 I& m- Z" s& m DISPATCH_METHOD,
" r1 @6 d# s9 C &dp2,- P, J0 T" C! L8 z9 m& h6 X
&var,
& A$ G( y* m; b7 y; [8 Z: E+ ^ &ei,. N. _, `; X. l/ ~# d: s9 E+ e
&uiErr);
4 ?: c) J' Y( N$ F; ^
, D. T/ D D# c* V SysFreeString(topicStr);* x" a' d3 w9 ~! c5 Z
SysFreeString(itemStr);1 h* c2 w- v5 c. b
请问该程序是获得extend里面的哪个值?% _) z/ s6 O2 X3 |$ q% C* a. ]1 t
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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