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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:
% b1 T" V7 {( O" U0 @2 JName = (WCHAR *) L"Poke";4 Y8 d4 m0 g/ r0 E% U" g- F
+ H- ~5 z* a7 i" D
hr = m_pDisp->GetIDsOfNames (+ ]+ l- G8 Y/ ~( {
IID_NULL, // reserved
Z! v+ ^0 o% x! m. x) Z! d; | &Name, // Array of names to get IDs for! `0 C0 o: K# x& s$ D
1, // # of names in the array( v! ?) L% w# O* c
LOCALE_SYSTEM_DEFAULT, // System locale7 V. L$ \" k! t9 r
&pokeID); // Array of IDs to fill on output( ], t, i; ]1 W3 y( T' v2 n
- c" v; V4 [0 k3 v# w* ` if (hr)* j$ i7 b: o6 V5 `4 O" N( N
{1 p3 r n; s8 l3 E0 \ K! f
MessageBox ("Get Poke Unsuccessful");* R. q P- n: t, y* {6 g. P ^
return;( P8 X& d J: X5 D; w/ p& X8 N
}
. x+ o1 E' o) g7 m: r( O
; d6 q% s& M$ U9 P* G& b; C7 |; m1 z/**************************传递数据给extend**************************************/+ A; o1 k* S y+ ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 x* ^' x- Q2 G0 l
. X. m% `) }# {8 j- Y: Q, ]9 D3 W: L
valueStr = SysAllocString((WCHAR *) L"1232");
+ r$ B- D% D' ^' S VariantInit(&pokeVariant[0]); . a& R4 ]& r& |# h( Q
pokeVariant[0].vt = VT_BSTR;5 o" I$ M9 D" Q ~
pokeVariant[0].bstrVal = valueStr; T7 @. x2 d Q4 W4 F4 B
: m7 W9 f7 h9 T5 h0 G
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- X. o# `7 F' g+ \! z9 w8 l7 O VariantInit(&pokeVariant[1]); . g- B! s7 c; W- r) h9 N7 M7 Z# @
pokeVariant[1].vt = VT_BSTR;
- P0 v+ T9 z; x9 k3 `+ [ pokeVariant[1].bstrVal = itemStr;1 w/ w* n$ P( }
1 R" A# t$ x2 ^. y topicStr = SysAllocString((WCHAR *) L"system");
" K' i8 ^, R+ b6 z' a VariantInit(&pokeVariant[2]); 4 g. P5 H+ f5 e- o! W& O' ]
pokeVariant[2].vt = VT_BSTR;; n+ h$ L6 j0 \ N- z
pokeVariant[2].bstrVal = topicStr;
3 z- q! M( X# K2 h
' c' |. b, V0 t; _( k// Set the DISPPARAMS structure that holds the variant.
8 f r/ U+ T# s
- ]/ C3 P: c, k0 }3 `; Q% t dp.rgvarg = pokeVariant;
3 G5 x4 n5 ]1 N ?6 F I dp.cArgs = 3;
& D6 r4 S, C/ \ dp.rgdispidNamedArgs = NULL;. N& m1 b' J. J2 i
dp.cNamedArgs = 0;5 ]/ }$ z2 m6 _# A% i
8 Q$ f6 ~1 e' y% S4 w6 v
// Call IDispatch::Invoke()
5 K a( F( D7 v7 n5 s: K
7 z3 H% M. c; K" T! B* P3 d hr = m_pDisp->Invoke(
7 o4 A" F+ f o h7 P: ? pokeID,
0 |6 c8 f6 o+ a. l+ a# g: ~: T IID_NULL,
6 l$ H( A# I3 C4 h LOCALE_SYSTEM_DEFAULT,
6 L# T( w. N6 p& g2 s& ^ DISPATCH_METHOD,! _8 S% U6 S! ~
&dp,
% V- |. H% K9 r( G3 n1 w# z+ m NULL,* A( L; G: ]* i/ b }5 Z7 Y# e
&ei,
e, n: @8 D7 v$ m9 P \" V &uiErr);% g5 n7 }5 b/ H% _5 V
+ B$ `* a6 R+ b, W# B/ { SysFreeString(topicStr);
5 v2 j, S6 G* e SysFreeString(itemStr);4 r: g _8 m9 M' s2 A
SysFreeString(valueStr);& p- [& h, U" A1 n5 C% l
?# b7 X# W/ K( C( w& N2 J4 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???/ `8 C" f; g# d7 e/ A; |7 b
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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& j0 F) K2 ^% c& Q; r2.这是request的程序
- _9 `( n% b3 T1 U9 F+ Y9 t1 e) i) m// Request a value from Extend
+ Y$ e$ M2 B% m//
) g1 g+ I5 s; _ L) n// Initialize the variant that will hold the BSTR. Set the variant's
% q: N5 d1 q+ T# B! u6 X6 w: u9 l// type flag to indicate the fact that this variant holds a BSTR. Place the
" J0 F1 A8 ^7 v7 w// BSTR into the variant structure.0 Y3 Z# S0 j* U) D
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 {5 L8 S! P8 D P$ i, i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" E3 Z( M+ l7 A3 A: | VariantInit(&requestVariant[0]); 6 q1 D; _! d) m v8 m9 d
requestVariant[0].vt = VT_BSTR;3 Q4 e7 v6 C& |
requestVariant[0].bstrVal = itemStr;8 n, B5 q' j8 [: h
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topicStr = SysAllocString((WCHAR *) L"system");2 i# _0 D5 J7 P# ` [9 b
VariantInit(&requestVariant[1]);
& k5 u6 y9 S7 Y3 `2 O requestVariant[1].vt = VT_BSTR;
9 H9 a+ ~7 B$ Q) O1 B requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 a) Z5 F( I2 N( {# ~3 d1 P' S' O2 i
0 w* [* @) c# a# {
dp2.rgvarg = requestVariant;# K. u2 z6 B f" X0 h! `9 Q
dp2.cArgs = 2; {2 q5 X) I" R$ z2 u) u
dp2.rgdispidNamedArgs = NULL;( F: l4 I C7 s% F/ P; z
dp2.cNamedArgs = 0;7 F6 I/ a% y- V; E+ \
0 F* I: ^# k' Z R+ u3 W! i3 y
var.vt = VT_EMPTY;# {5 Y/ C/ F# G8 s
' k) Z& @/ O) q, q% a& W// Call IDispatch::Invoke()* {% f1 f! n; v
2 V/ o) f) K( M$ H3 }7 e1 u1 A7 _8 H hr = m_pDisp->Invoke(0 A L+ q" n9 v+ p& e$ w9 M
requestID,
" i) E5 [- {5 @5 a; ~7 f IID_NULL,% g, c* h# L3 f9 A8 b6 J5 D
LOCALE_SYSTEM_DEFAULT,+ F* f W$ @5 M) F4 @, `( z6 G
DISPATCH_METHOD,6 s A- a+ n3 ^6 G6 Z: E+ k' \
&dp2,) t" j% U0 v: X. o( G$ H
&var,
! p {, q* ^5 E$ H& `* M &ei,
) @$ e; s2 P# P6 S2 M. d: q8 \ &uiErr);
* j+ `0 m" c$ H f r1 L f4 R. K+ h1 ?( k% Z4 b; y
SysFreeString(topicStr);9 d& n1 L# N8 o7 X1 N8 R
SysFreeString(itemStr);. O$ j1 ^) w; K3 W. T, y
请问该程序是获得extend里面的哪个值?
% y/ C& c: E4 j1 T6 [+ I/ H- D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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