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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:: K! h) ~6 l3 @; \* `, t+ Y8 E4 G
Name = (WCHAR *) L"Poke";
1 c, ^" |/ |0 S* D2 E! j4 Z9 j ; \. D& q3 M# t" [& n2 y( C5 @; D) \* N
hr = m_pDisp->GetIDsOfNames (
+ ]' D0 G9 V& U' `/ H IID_NULL, // reserved
0 y/ |/ j! s# {/ s7 |7 O& \& h &Name, // Array of names to get IDs for
3 E+ n. h8 G G; \( y 1, // # of names in the array
, k/ K9 E$ F, W& _) Z7 o LOCALE_SYSTEM_DEFAULT, // System locale ?- O- r8 @" c
&pokeID); // Array of IDs to fill on output5 [0 J3 R4 [6 T+ o, X
+ o4 b% \ r: s6 ?0 H/ J if (hr)# K: z& w! `/ O$ d3 L3 M( [
{
; o& j& S% X2 T MessageBox ("Get Poke Unsuccessful");
+ e2 [6 g4 ?0 K) f return;; F& j+ \9 E( Y1 c6 E+ T
}# `" k4 \/ r2 E; T) m8 R/ m
0 T3 ~/ @) |* C* T/**************************传递数据给extend**************************************// e. j7 U4 {& _6 d% g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 p5 |: {2 A7 G' X1 \
% n4 v0 K, ?6 S; a- h
valueStr = SysAllocString((WCHAR *) L"1232");
* ?3 I( K" i0 U7 ~1 E! f VariantInit(&pokeVariant[0]); 4 a; c+ K3 d% m e$ D
pokeVariant[0].vt = VT_BSTR;5 n5 r1 h8 N; u8 h% J
pokeVariant[0].bstrVal = valueStr;
% O e# Y7 t- P! e
5 {$ o; |) D( c- g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) L- P* O! T0 |- F
VariantInit(&pokeVariant[1]); . l! S) `8 G8 c" W8 ?
pokeVariant[1].vt = VT_BSTR;& j! q) r6 | U+ \7 g
pokeVariant[1].bstrVal = itemStr;. x7 d& E6 b: a0 N5 A
5 J6 u; }" l' { topicStr = SysAllocString((WCHAR *) L"system");
2 l# k- g4 W0 I/ [, I; x VariantInit(&pokeVariant[2]);
( x" r; r! J. k) U, k pokeVariant[2].vt = VT_BSTR;/ \( V$ \+ m9 A1 j
pokeVariant[2].bstrVal = topicStr;$ Q! c! s! n+ G. `- h& y
. w7 c9 i, _$ [# l// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
' `9 F' l2 L% ^" V5 {) P dp.cArgs = 3;
8 Z( L1 C) v# ^, _: E dp.rgdispidNamedArgs = NULL;2 S7 H- [% \1 c4 s2 {. E+ |/ G
dp.cNamedArgs = 0;
, t2 z; P1 l9 Z; ?& z
0 p. H8 b( L- \. a// Call IDispatch::Invoke()
* k) S" ^2 s. P0 \, C4 X B
, @, B. {" B' N. @+ a- P* V4 v0 Z+ Q hr = m_pDisp->Invoke(% O, q. s7 {8 l3 Z8 n
pokeID,
) y$ Q8 E% {/ ^& {: v IID_NULL,- J2 j p1 B. m1 ?- H8 D9 v1 C; Z
LOCALE_SYSTEM_DEFAULT,
/ m% G O& A" z$ { DISPATCH_METHOD,2 O( z- T, |% N/ _" s
&dp,
. W6 Z) h0 O0 u NULL,
7 ]! y- q% r$ ~2 @. D# J3 q &ei,/ t. s5 A7 }' B% A
&uiErr);" S% u: \' F3 |7 _# O
# ^: c( O X- |( ^7 y) y1 J
SysFreeString(topicStr);
# J. a1 c' h( P5 N SysFreeString(itemStr);
; G# c4 P& d! D3 B- @: e* w1 ]' d SysFreeString(valueStr);* A' G* w5 A7 h/ D
- ~$ O$ @4 W9 W
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??? S7 l" n7 E: e8 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????3 ]; R1 @ z x# }# V8 ]
2 E' q4 q, I8 S
8 [5 {: ], m" }" x3 I. Q7 J5 Q9 Y2.这是request的程序+ g+ S9 N, R3 _
// Request a value from Extend
& b" m9 s$ u3 c( L: \: v9 ^% f//( A7 J8 Y+ L- Z5 k3 B7 y6 B
// Initialize the variant that will hold the BSTR. Set the variant's
/ v! L8 f9 {" L/ r, d& Z2 L// type flag to indicate the fact that this variant holds a BSTR. Place the d( `) W9 K5 q2 Z( j' ?) `% @
// BSTR into the variant structure.
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* Z0 p# Y! h& R; K; @ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 T+ d9 L0 ?( b4 J
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 W5 b s0 S' X' w
VariantInit(&requestVariant[0]);
1 s. @; E; G) B* v( x/ l requestVariant[0].vt = VT_BSTR;4 o- V# N+ y4 Q+ E P
requestVariant[0].bstrVal = itemStr;0 D" W3 w0 `: V8 }- B v$ M9 z
5 o6 h& ]; ?% F" @; K& X+ _ topicStr = SysAllocString((WCHAR *) L"system");( l, [' Q' J2 C: W8 d
VariantInit(&requestVariant[1]);
9 V/ V0 f& k4 Q6 I requestVariant[1].vt = VT_BSTR;
- W( W. W1 u' b# \. y requestVariant[1].bstrVal = topicStr;
+ }3 ]$ [2 z1 C6 g1 @) e# z- A6 r" U. P# w
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
. z6 Z& `8 u. D) b9 V dp2.cArgs = 2;
! |( y p/ {$ i6 q7 Y1 y% F dp2.rgdispidNamedArgs = NULL;
S, S3 W0 R) }* N0 |4 J dp2.cNamedArgs = 0;
# O8 s# R7 k$ @$ [+ f& h) Q3 e+ C3 B! e8 _7 a
var.vt = VT_EMPTY;: i5 G+ i: R& v6 f s2 X
6 }: [; m# u$ r// Call IDispatch::Invoke()
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& Q3 G* J' C6 P hr = m_pDisp->Invoke(- G$ \4 h$ Z# v- }' y- S( u7 c& B
requestID,
1 F, ^) l' ?: z- N+ K6 O1 g3 `; _ IID_NULL,! ]/ W0 T' d: b6 @/ z; F
LOCALE_SYSTEM_DEFAULT,3 }; K6 Y& ? l+ b4 {- J# I
DISPATCH_METHOD,
3 L$ f8 H# Z2 [4 r+ X& T &dp2,6 H8 ]+ d7 l- D( D8 o. U+ X
&var,6 _+ k- \) N' |% E6 d6 M: q. o
&ei,
4 f. q3 u3 q5 j! h: `+ d5 l; c &uiErr);
% U1 @: o9 E9 ^) s" u( v2 k7 P# U; Z8 v, K: [7 p2 c& w3 Z! _
SysFreeString(topicStr);
$ x: D8 \6 P+ w$ g( L; N SysFreeString(itemStr);
1 ?* M8 X* n( c, P请问该程序是获得extend里面的哪个值?: P. y$ Q' W& t: t; p& Q8 w
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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