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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:1 X. F9 l! u. k! y) n( i
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
4 m( M8 i' E( h: d1 k8 @ IID_NULL, // reserved
' c; W3 J3 M' L; Q$ K0 I &Name, // Array of names to get IDs for
3 A; A6 b5 p) b# C. [ 1, // # of names in the array
7 V/ ^0 `/ w9 M' D LOCALE_SYSTEM_DEFAULT, // System locale% _+ L ]6 x3 Z1 Z9 H( k% Y0 Y
&pokeID); // Array of IDs to fill on output2 e7 k n$ G# u4 B6 B
! t7 s4 G8 u* ^5 _( q F# A if (hr)& T- u# @5 G8 {* o- e* p
{
; K& b, B2 j; Q& A6 ? MessageBox ("Get Poke Unsuccessful");
P4 W) W5 v0 j2 x& x return;: c# B+ T. F$ Q6 I& u" l0 j
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$ e8 C3 A/ T8 \- a# x9 N1 r/**************************传递数据给extend**************************************/
# K4 l: b, u$ @ ^/ W1 c! D8 c. r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 j# |$ x6 r1 [" [
5 f% w% F* K9 Y/ M: v valueStr = SysAllocString((WCHAR *) L"1232");8 {/ h+ q, ^4 [2 T7 Y
VariantInit(&pokeVariant[0]);
$ u$ ~, V# G" W4 s' \ pokeVariant[0].vt = VT_BSTR;6 C. g0 x0 |) O: B4 q$ V9 x
pokeVariant[0].bstrVal = valueStr;; B+ u" J g( A3 V# `
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# E) }) h( K1 G" p) z
VariantInit(&pokeVariant[1]); + H; Y) T% y0 t2 F
pokeVariant[1].vt = VT_BSTR;% z5 g0 d9 Z3 U
pokeVariant[1].bstrVal = itemStr;
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! K% t! k! T2 W topicStr = SysAllocString((WCHAR *) L"system");0 f5 |% _* e2 d' n, ]; `
VariantInit(&pokeVariant[2]);
+ c8 J2 I( ?- F, e. C4 i pokeVariant[2].vt = VT_BSTR;+ y* H. [ ^. S
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.( f2 {$ H( Z' [# J; a$ p! j+ A8 k
9 o+ B1 K: s# V5 F+ N dp.rgvarg = pokeVariant;* w( u6 w+ s7 r) ?4 y5 q
dp.cArgs = 3; ^; I! o l0 \0 L% u
dp.rgdispidNamedArgs = NULL;) c. d ~* O- t& l# f5 v
dp.cNamedArgs = 0;3 v; G/ z# Y O+ V
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// Call IDispatch::Invoke()
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& }: N4 J6 B- n- w5 y hr = m_pDisp->Invoke(5 m9 _( Z$ ?8 Y- H" o3 f; j `
pokeID,
1 h4 E' C9 O! A5 b1 a7 }: m IID_NULL,$ d7 M6 D3 f* c2 e9 V9 s
LOCALE_SYSTEM_DEFAULT,: G1 X+ f! y5 K
DISPATCH_METHOD,3 _" S% Z3 i g. H- d
&dp,
& E6 n4 V/ I9 R- T NULL,& w2 v0 ^* c2 ~3 c1 I/ A
&ei,0 f6 G" s/ q4 p
&uiErr);
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8 h" K" K, F! ^3 L. n* R SysFreeString(topicStr);+ `; I; W9 R8 ?
SysFreeString(itemStr);' k; S+ V( |) F( k2 _4 Z5 f
SysFreeString(valueStr);5 T7 @ f+ D. |) ]0 k7 ?5 I3 s
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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???; o, R4 E& Z& P, a a
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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% b- G5 P4 r3 W* M, x" Z0 G2.这是request的程序
9 T+ M& u5 x5 C5 G4 L r) \// Request a value from Extend$ x/ |0 D: W$ q0 y* j ]/ t' h* ^6 }
/// T) e, U9 P8 Y4 p" B3 }
// Initialize the variant that will hold the BSTR. Set the variant's
2 ]& F2 d8 s. I7 ~7 T) C// type flag to indicate the fact that this variant holds a BSTR. Place the
- D; }6 m* ]2 ^0 t9 k8 K5 V// 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"); n& n1 f2 Z- [& F
VariantInit(&requestVariant[0]); 4 i# H" o! a6 w& D/ O- o! s
requestVariant[0].vt = VT_BSTR;- y. v1 O2 _% O! ?
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
, x+ b6 ^7 F; A- l5 } VariantInit(&requestVariant[1]); 8 D+ X8 N2 z; X
requestVariant[1].vt = VT_BSTR;
$ n" C" b0 z) `3 } requestVariant[1].bstrVal = topicStr;# u2 q2 T* _% U" d
7 q# Q: j& Q' r) E+ y! j// Set the DISPPARAMS structure that holds the variant.+ W7 z2 F8 V; A1 p1 D1 t( Q
2 C) ~3 Z9 z$ N dp2.rgvarg = requestVariant;# ^( B- M5 v& q; m$ E9 V
dp2.cArgs = 2;
8 g& Q9 A- D* Z; T) q8 [ dp2.rgdispidNamedArgs = NULL;
5 ~4 D9 s; G+ y0 }# A; g Y dp2.cNamedArgs = 0;
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$ l( w0 M' o9 Y/ D. t+ K k* [0 w& P var.vt = VT_EMPTY;" V2 b& u& u5 v: [6 g
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// Call IDispatch::Invoke()* z7 ~+ q' C0 i# h1 P, W
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hr = m_pDisp->Invoke(" y+ q! A \* _% W+ |% e
requestID,
" w1 D; ]! G3 k+ F7 n E; ~. S IID_NULL,8 X0 Q$ m% R c# ^7 K6 r; a9 m! }8 Z2 ?8 |
LOCALE_SYSTEM_DEFAULT,. K3 L, A. {9 q/ L
DISPATCH_METHOD,
8 N! V$ r. Z9 F6 L# \( ~& Z &dp2,
2 E& O+ O' }9 T- S1 |+ | &var,
3 u% l6 [; D! Y: m% | &ei,
+ [0 h1 W2 n7 X+ N &uiErr);, i9 r7 V# i$ b( e
/ y+ M {4 M5 s C+ p7 v SysFreeString(topicStr);( ~* x/ X# R6 e+ ~& c
SysFreeString(itemStr);4 Q# H9 W( S: W8 z2 I
请问该程序是获得extend里面的哪个值?. q S$ A' y3 m3 V+ e0 i0 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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