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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:
/ u9 f8 `; z& D5 ^( mName = (WCHAR *) L"Poke";) h% v4 U8 ~* d% |; n1 S4 W: d
" e0 h# L7 V5 w( B1 ~ hr = m_pDisp->GetIDsOfNames (
3 J, c3 F7 G) h* _# n) V IID_NULL, // reserved
( I3 B( j& q) x6 s1 X$ X4 y &Name, // Array of names to get IDs for
" L& n0 M" l# x$ N( l3 C 1, // # of names in the array* N' ^! \: J7 ^. j
LOCALE_SYSTEM_DEFAULT, // System locale
) F/ o; y5 J' f0 a! O" P &pokeID); // Array of IDs to fill on output
5 `" U$ Q+ ~+ W2 @0 F q # `/ e; n ]* t0 k6 X" Z3 n& J
if (hr)4 r4 I1 X# @1 @4 J. W
{9 M r" ~& S8 Z4 J; `* X
MessageBox ("Get Poke Unsuccessful");
+ |5 g! d5 e H7 | return;. Z& \0 k0 d& s: C+ W
}; @$ q3 J5 y% c
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/**************************传递数据给extend**************************************/# @7 }. b4 e; T# y6 t. q+ q1 b! V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' d; g3 w9 ~7 d) Q0 U p
% j4 Z3 V6 h2 m+ R6 Q; Z
valueStr = SysAllocString((WCHAR *) L"1232");
0 d! w! A7 r2 L VariantInit(&pokeVariant[0]); 7 G( f, \# U: e; M9 E, s
pokeVariant[0].vt = VT_BSTR;
% r I1 V2 J5 o5 U9 B# |& ? pokeVariant[0].bstrVal = valueStr;
& G( ?, g/ b) R9 {6 \0 l* s) w- y ?! \3 ~. d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 B0 l$ F" r5 c6 v VariantInit(&pokeVariant[1]);
: `3 ^+ t3 r4 D0 \1 N pokeVariant[1].vt = VT_BSTR;
# B/ l+ l* d r; [0 l [ X pokeVariant[1].bstrVal = itemStr;+ D6 r# h: }+ y" J& \4 n' p4 j
8 g! f1 d. ?+ a
topicStr = SysAllocString((WCHAR *) L"system");
& s0 q. m: G5 [1 ]0 r6 { VariantInit(&pokeVariant[2]);
: L+ I" w$ g) }. r pokeVariant[2].vt = VT_BSTR;
% |- }0 K4 |# M( s% L pokeVariant[2].bstrVal = topicStr;2 t. {$ S( m$ {6 X; h* g+ p
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// Set the DISPPARAMS structure that holds the variant.2 p- |, q- M5 r- a8 h( K
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dp.rgvarg = pokeVariant;
4 Y" P, z8 T: R/ H, H dp.cArgs = 3;* j$ f& f0 [9 {& P$ B
dp.rgdispidNamedArgs = NULL;
; f! W* z+ m- o5 N dp.cNamedArgs = 0;: ]5 I! E" ?# P# Z! @' J
7 e, `' w: T& i& d& t/ y+ i// Call IDispatch::Invoke()9 L+ \. q7 m% [% b" a y
" F4 K$ U- c/ }/ I hr = m_pDisp->Invoke(8 o* l) n5 F. [. q: V1 G
pokeID,
! P1 ?4 {! N$ n- D! G# W8 \2 T IID_NULL,
! l+ u- O9 c2 l' G LOCALE_SYSTEM_DEFAULT,
+ H$ O* R- |' i( G DISPATCH_METHOD,( g. w- z( H% X1 J, O. r% V5 @
&dp,* S- W9 N% ]# j% B- |$ D5 M
NULL,( Z4 G4 {3 R2 i9 n$ r; |
&ei,
% \. \! [$ M, y( _8 s$ _ &uiErr);9 h( A H2 J ~; ^; G" P5 ~4 F9 x
2 V% m/ `, ~$ m. C2 B% R
SysFreeString(topicStr);& R3 C/ L* E# }5 Y- x1 S4 }/ [1 z+ Q
SysFreeString(itemStr);! y# x+ b# k; X
SysFreeString(valueStr);! p$ B+ M; r4 q. L5 f0 |- f' q. j
' j9 S5 t- `- A+ Z8 M( m
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???, b i' W3 t# u% X) k
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????2 |( S/ F+ b8 Y; p: T2 E; x; K
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% l5 ?5 M- X9 C2.这是request的程序
5 e" |% d6 x. F// Request a value from Extend& e% E( Z* E5 Z7 _0 S$ H
//
' v# N. j0 s) ^4 I# T1 e+ P: Q// Initialize the variant that will hold the BSTR. Set the variant's$ m. q+ Y+ S3 d3 Y4 b9 }9 D" F
// type flag to indicate the fact that this variant holds a BSTR. Place the
. u$ O1 A2 _+ d, h5 R+ q" T. g s// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: f% z8 @* i% z0 ^2 d9 G
VariantInit(&requestVariant[0]);
. G0 i; g( U: g% \6 N" @/ d/ j requestVariant[0].vt = VT_BSTR;$ i# ]9 [7 Z% |0 K
requestVariant[0].bstrVal = itemStr;
; G, y5 h4 |; v
& l4 v2 t6 s. E" v- Z topicStr = SysAllocString((WCHAR *) L"system");7 I. x9 a' P, z$ `
VariantInit(&requestVariant[1]); 6 [# y7 v- ?* E
requestVariant[1].vt = VT_BSTR;/ S( v0 r B: ~8 e) R& T5 X2 o2 g
requestVariant[1].bstrVal = topicStr;
K( J. |# T& J5 g5 L! m9 d3 K; r2 A1 X) U! s$ L
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;, R) M" ]( y& T: ]. x5 C
dp2.cArgs = 2;
1 e. M" E7 r! N& ^( I dp2.rgdispidNamedArgs = NULL;2 v4 v7 r, c8 G' ?" v: q* O1 M
dp2.cNamedArgs = 0;$ ]; D; g8 _3 y& Z7 R
. J6 g( d3 ?% a {+ l2 r/ s var.vt = VT_EMPTY;" |- S$ R3 W. p! M0 e! }* u
: ~2 ^! x g2 C4 V- T/ A) U/ e* q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
1 F& c: l# W7 q) C% h/ e1 M' l requestID,# [2 m- v; r: l. n8 E
IID_NULL,
* R) U# k8 ?) g9 @ LOCALE_SYSTEM_DEFAULT,
; `+ a/ D9 _8 }4 r& o+ g% f! [3 D DISPATCH_METHOD,3 q$ ?8 V2 ~) f2 r% s1 D3 h: `
&dp2,% z* `, }( {+ c- G ^1 ]6 T
&var,, H6 d( l! N# d. ]* `5 |
&ei,- J/ d( X$ P( s8 W( M( B. J$ |
&uiErr);
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! z9 i6 J- ?0 |% ? SysFreeString(topicStr);* j1 c5 p0 |6 ?; k, }+ i# Q0 ]
SysFreeString(itemStr);
% t% a9 p* T5 \- n请问该程序是获得extend里面的哪个值?: b. k" q' k, 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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