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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:
B& d7 f$ ?4 z- Z% P4 PName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames () Q! V6 b, r8 N# b' f
IID_NULL, // reserved4 P! K& a+ W9 [3 }% I! _
&Name, // Array of names to get IDs for/ E9 [( z5 b/ o9 s) Y
1, // # of names in the array8 U' `1 y+ o% |! p
LOCALE_SYSTEM_DEFAULT, // System locale9 c: v7 n; `. z
&pokeID); // Array of IDs to fill on output
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4 B! m1 @! s2 A* {0 \% S: p& ~ if (hr)
& a4 Y5 |: r; J+ @ {
! \9 @$ ~- U( V6 m6 n MessageBox ("Get Poke Unsuccessful");! D2 J/ e" l$ S( a% g, G8 |# [
return;
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/**************************传递数据给extend**************************************/
: F1 p( @ \0 w! F+ q+ e8 |+ W% w pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. a2 Z5 O1 t4 ^* _% M
8 F. M: S* x7 o w valueStr = SysAllocString((WCHAR *) L"1232");
0 C! r3 z% u( r p0 E VariantInit(&pokeVariant[0]); & G) J$ U( D" f/ L# l: v- Y
pokeVariant[0].vt = VT_BSTR;
+ M" x) X V* F; u pokeVariant[0].bstrVal = valueStr;
+ {4 R: m9 L6 [5 Z' @ p8 _
0 X6 D O0 Y9 A, ?3 [/ l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 u2 Q4 E( R4 x5 m# g& t' _
VariantInit(&pokeVariant[1]); 6 z/ x0 g# X/ A" J" y8 w) Z8 O7 J: N' ^
pokeVariant[1].vt = VT_BSTR;+ x* B; G' d1 e$ Z1 g% y
pokeVariant[1].bstrVal = itemStr;$ y! t- U5 L" d- ` Z
+ y5 |/ K$ Q% S4 v4 W! f& U topicStr = SysAllocString((WCHAR *) L"system");
9 T! g) l3 J- Y VariantInit(&pokeVariant[2]); ( a0 ?; t" B% w C6 }5 b! l& ?$ Z
pokeVariant[2].vt = VT_BSTR;; s, m& w/ ^8 X( ?, a$ L) n& J# e
pokeVariant[2].bstrVal = topicStr;
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4 H7 z* g: Z' x. X// Set the DISPPARAMS structure that holds the variant.: |3 ]! J* O2 _
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dp.rgvarg = pokeVariant;
9 @% K: \$ X5 }5 w dp.cArgs = 3;8 B% N# X: N' P( h% K ]
dp.rgdispidNamedArgs = NULL;
3 b( e, G8 d& {4 e z dp.cNamedArgs = 0;
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: c3 ?& U' U5 x" [* O$ A# `// Call IDispatch::Invoke()% r, H) X- }! V1 M
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hr = m_pDisp->Invoke(9 e; I# J1 y, c6 K" W- O1 [8 i
pokeID,$ ?: D' ~8 Q( t- S( H
IID_NULL,
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- r; x' Q8 w) X" p( j# R DISPATCH_METHOD,8 {1 I1 N2 Y6 w4 n/ C
&dp,
$ q2 t1 r- Z# i, R' p NULL,: U `, ~- r* t& j& t4 Q1 h
&ei,
; a1 x' `9 E+ R8 g' P- a, \2 y &uiErr);
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SysFreeString(topicStr);
( }! \1 p4 K$ ?+ a2 t7 D SysFreeString(itemStr);. B& h l+ f3 l1 C2 w. W1 W
SysFreeString(valueStr);8 }# B e% }& n; k0 l. ~8 `
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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???- Y$ Q$ w3 {4 Z; h- y
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????& h0 c3 J5 K+ ?
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2.这是request的程序6 d4 _5 ^) e: l! F4 D, S) [
// Request a value from Extend/ c4 Y7 K" L8 h4 `
//. J# H- Q+ \$ | w
// Initialize the variant that will hold the BSTR. Set the variant's
: B; d. A' M. @ X// type flag to indicate the fact that this variant holds a BSTR. Place the
5 f- R8 X. O2 b1 _// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! |1 A) Z5 u' C8 |! j
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 J1 r( [3 C. P s VariantInit(&requestVariant[0]); 1 l- o! }# n% x: `% S0 K" k! z7 @
requestVariant[0].vt = VT_BSTR;
8 O: W c0 B+ v' a requestVariant[0].bstrVal = itemStr;3 y$ H& J. [- j& Q$ n
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topicStr = SysAllocString((WCHAR *) L"system");; j' t- [1 q) ~( Z4 o/ C( X& s( n
VariantInit(&requestVariant[1]); . X3 P& g: a' u9 R& W
requestVariant[1].vt = VT_BSTR;8 c+ K) h4 A4 q3 J- W. r
requestVariant[1].bstrVal = topicStr;9 a) J+ a8 W# @; ?/ a5 v2 k
( a7 ~ k* S' K5 o* V0 S j// Set the DISPPARAMS structure that holds the variant.) G- Y* Q; N5 L) P2 y# G# ]
) J0 K- r/ w, ] dp2.rgvarg = requestVariant;9 ?2 i1 C4 o& G5 p% k, m
dp2.cArgs = 2;& t( b; o% {& G1 J! | X
dp2.rgdispidNamedArgs = NULL;( k4 C6 Z. f$ t. ?5 t
dp2.cNamedArgs = 0;
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8 j, G# Z6 [( U/ U" v; G) C; z6 y( _ var.vt = VT_EMPTY;
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. V, Q C1 S5 H" p// Call IDispatch::Invoke()0 ^( g: ]4 b: h: C9 o$ c$ y
( @+ W' U- p9 E. q8 P hr = m_pDisp->Invoke(
( P& O2 _* s' V% Z6 X requestID,% O. u9 C& Q0 A$ }+ ^! t6 ]
IID_NULL,; G2 `3 l7 U" ?4 |7 C
LOCALE_SYSTEM_DEFAULT,% D! S; h+ P1 Q8 w8 P* _
DISPATCH_METHOD,, l* C# }6 V* E. E& g
&dp2,8 Y& C* `2 m6 K1 ~; ~# `
&var,
l' ~+ a) d4 }, W &ei,
% |5 ]7 I, ?1 [% {8 e. W &uiErr);" X) D0 n) r9 m0 \
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SysFreeString(topicStr);; |# U# j8 }1 b! s8 U9 P+ {" X
SysFreeString(itemStr);
- `% T; x- D, \+ e请问该程序是获得extend里面的哪个值?3 R' Z7 x8 U+ V8 x7 J$ 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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