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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:
x; d) s9 V, \/ P4 HName = (WCHAR *) L"Poke";( `# C9 X' r2 G( `1 D* F) d$ z
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hr = m_pDisp->GetIDsOfNames (
/ \5 _" q1 _5 S+ M3 ^ IID_NULL, // reserved
0 ]1 P# O( ]2 }* [3 Q# ? &Name, // Array of names to get IDs for
' w) U1 w/ P- B 1, // # of names in the array
3 ~% b+ L5 x6 L: n/ `* q5 F LOCALE_SYSTEM_DEFAULT, // System locale
. y! U* D6 }2 m3 U* I# P &pokeID); // Array of IDs to fill on output$ i) @" P. o, }3 }! F/ _( L' H% M$ P& w
" ~( G0 ^3 M7 {1 v; j
if (hr)
; S+ }% h$ [8 w {. W& T" l' S8 `. ^
MessageBox ("Get Poke Unsuccessful");% A* Z* n6 d+ P9 H+ P
return;! o1 G* ~4 X. @6 q& s
}
0 F% p7 _4 E# z: Z: j% s
- ?! q0 A2 Z5 ]/ f/**************************传递数据给extend**************************************/* v \6 r3 y2 y) d; ?; i: V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( V8 s0 a: G5 e* S& W' U
6 v1 z9 i+ H( D9 y& V' T valueStr = SysAllocString((WCHAR *) L"1232");' ]4 w' G9 C" R. e( k* ]" E
VariantInit(&pokeVariant[0]);
$ v: X9 r1 U- D( E# ]; H# G1 M pokeVariant[0].vt = VT_BSTR;
! z0 L3 V+ T3 e7 `2 k pokeVariant[0].bstrVal = valueStr;8 E9 T' }+ S! Q. W* P5 N
) \# J% {! ~4 H% h# L itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% A% ]* e) O7 x8 W! Y
VariantInit(&pokeVariant[1]);
2 Q k1 N4 p4 c) L5 h) W! e pokeVariant[1].vt = VT_BSTR;) k( v( D# z# @! s& T
pokeVariant[1].bstrVal = itemStr;
4 i' P$ ~, q$ }9 X5 h+ S7 ^3 y+ ~% S& f- O
2 c' ?# d' P7 W! P! z# E& X topicStr = SysAllocString((WCHAR *) L"system");5 p* w/ { W4 k$ [
VariantInit(&pokeVariant[2]);
2 T4 W8 K9 P, a+ K pokeVariant[2].vt = VT_BSTR;1 P1 L, P- T; M' D
pokeVariant[2].bstrVal = topicStr;! {) i# [- p# O& G8 I% p3 @
( ^( ]. }7 v; B: i// Set the DISPPARAMS structure that holds the variant.
+ A1 v/ C# {9 f; m6 g
m3 g2 T( l( @ dp.rgvarg = pokeVariant;
8 ~* i" d( H; b! t8 ~7 `3 V dp.cArgs = 3;6 j) l+ A: z9 F4 d" i
dp.rgdispidNamedArgs = NULL;& t7 O5 i: D, B4 h1 T5 x4 j
dp.cNamedArgs = 0;
# T0 `, K6 d$ U
1 q+ N8 v8 U' F4 U. Z: i0 T5 ]// Call IDispatch::Invoke()
+ O3 K8 Y7 x7 r6 F& q8 Q, `
/ X7 i& C3 {3 [/ ]0 v" i" {/ w hr = m_pDisp->Invoke(
: H: i$ r. y( v7 B- D0 m* m( ~ pokeID,
# t5 H, j3 R5 a0 U IID_NULL,
+ C3 p$ V& G2 f( g o+ x LOCALE_SYSTEM_DEFAULT,
7 c+ ^; k* y. a( E4 z# O DISPATCH_METHOD,4 H; O- C7 C7 t3 ]" z# J
&dp,5 Z( C3 L! |7 r8 D
NULL,
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&uiErr);
% b/ |/ Z( K8 v
3 h' F }4 {$ ^6 b) @6 k2 T SysFreeString(topicStr);
% t1 h6 g- j- B. t9 q- o4 O SysFreeString(itemStr);
! f) P2 h1 W* {2 o" v; e/ [ SysFreeString(valueStr);4 Y# s- v# v2 w+ y
9 p3 \2 `4 _2 a! K5 v+ {$ H
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% |/ b- J7 z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????
. @: [7 `: f! R% k7 n9 \; \( ?! k7 t, M5 v: C
v0 V5 Z7 i' E- M9 ?! h2 ?2.这是request的程序
) _, D5 `; t9 \: J( H$ e// Request a value from Extend; a u( T9 k( j
//
' q. @: G) M; ]( E9 u5 B// Initialize the variant that will hold the BSTR. Set the variant's; l8 L3 i6 g8 S( j
// type flag to indicate the fact that this variant holds a BSTR. Place the
/ Y5 @! R$ e! A3 F: V+ ?! S// BSTR into the variant structure.
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- f' j# q" i) |+ d requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( J F) T. [8 f1 B& Y/ k
; A0 h8 I1 r5 [. y1 p9 g- Z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' b* R2 o9 |/ i
VariantInit(&requestVariant[0]); # R+ y. k6 x1 T. u
requestVariant[0].vt = VT_BSTR;: @: `. u+ Z% ?, g- d2 O2 Q3 L
requestVariant[0].bstrVal = itemStr;+ J3 M0 D! F. K; K
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topicStr = SysAllocString((WCHAR *) L"system");7 g; K: W6 M5 E
VariantInit(&requestVariant[1]);
9 |* @6 E: r4 b" z requestVariant[1].vt = VT_BSTR;. b, `, R1 C3 v
requestVariant[1].bstrVal = topicStr;
2 n3 A, Z+ ]; e- `2 S+ r& j
9 i! z. O, d5 B! z; c// Set the DISPPARAMS structure that holds the variant.
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& D* q' ?' d5 u) d4 L4 B8 U dp2.rgvarg = requestVariant;- I$ v* T! `5 i4 I
dp2.cArgs = 2;. ?! a. ]1 b( o* X# E: T3 {3 X+ m
dp2.rgdispidNamedArgs = NULL;' V3 _$ ^7 R* q' n
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;5 r; ^" P; T- W/ H+ o( k8 [
- }% Z8 d5 a$ g; m/ M: a// Call IDispatch::Invoke()
- }! v2 D2 V0 z0 A- h5 `9 F
7 G1 }# v4 v- d3 h( }# u! H% I hr = m_pDisp->Invoke(
& p5 r/ j5 P n; e/ P requestID,( P2 y5 h6 p% o
IID_NULL,3 U5 l. c8 M( W) N6 _
LOCALE_SYSTEM_DEFAULT,
* `& X! u0 \& U$ F DISPATCH_METHOD,
& l7 R9 M n" } g6 a5 Z &dp2,
$ a: p6 O1 w" R( w! T7 z9 [0 s1 H &var,
6 z- S0 ^2 D% P% F6 U5 o &ei,
5 b* Q& {( E% d! ?: i' }% k &uiErr);6 @' A; W- `1 J \
% _$ j0 { \, C/ H
SysFreeString(topicStr);/ J c J+ t* f, ~/ v
SysFreeString(itemStr);
0 @9 n9 ?" _ c$ v& X: G+ W, i8 d请问该程序是获得extend里面的哪个值?
( [* O7 e/ ?1 ~1 C$ f0 k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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