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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:
e3 Q. V3 u( V; |- r/ V( |Name = (WCHAR *) L"Poke";
# j7 j" m1 b5 k- \
1 N( }8 {6 {! J' D hr = m_pDisp->GetIDsOfNames (2 a6 w, U3 ?: m; W& L: \
IID_NULL, // reserved
$ a" i6 U. t( ~8 w5 I: b &Name, // Array of names to get IDs for
1 S, d3 C% ^7 H! r& c 1, // # of names in the array& \6 `' T0 |5 l. |9 D! d& n, j
LOCALE_SYSTEM_DEFAULT, // System locale0 I$ G- p- F$ C9 r6 t* Q! j
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
! f$ Q$ G. q! f return;& X* l+ m/ v! i# X
}2 h5 O. p! a1 U1 \/ [: {
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/**************************传递数据给extend**************************************/
1 t8 c6 x$ Y$ }% {1 C pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" v1 W# u: k8 D! y( ~- Q
9 b" @0 B/ D$ H' G+ J; F) F8 N0 w valueStr = SysAllocString((WCHAR *) L"1232");, W) {1 A3 ~: q7 l3 k( h* c
VariantInit(&pokeVariant[0]); % G0 g$ m! a* e! f
pokeVariant[0].vt = VT_BSTR;7 ]- f1 y4 T& Q. {
pokeVariant[0].bstrVal = valueStr;
; T- g% a% [9 F d( e/ R& V8 `
2 Z$ @4 [/ @' r/ ^2 Y8 }8 J8 _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* b2 C; q9 \4 N: v3 U9 l. r4 R
VariantInit(&pokeVariant[1]);
) ~& R) ^* ~5 K pokeVariant[1].vt = VT_BSTR;: H i* y7 F: _7 @ ] r' [4 d
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 W; W- e9 n1 S1 H9 c9 x9 r5 l+ P$ B, i VariantInit(&pokeVariant[2]);
# \' L% h/ e4 H' I k pokeVariant[2].vt = VT_BSTR;
" j! B' A; u u W pokeVariant[2].bstrVal = topicStr;
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3 `& V3 c; s% j L1 a5 z9 W9 O \+ `// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
9 J$ S2 Z9 Y8 l- X) U3 w dp.cArgs = 3;
: a" Q8 d4 G/ Z- u1 B dp.rgdispidNamedArgs = NULL;/ q! g4 M4 e- ?6 v$ \' U
dp.cNamedArgs = 0;$ T, g: e8 N& F* Z7 o
: r2 _3 Y+ b- j6 ]- i0 t// Call IDispatch::Invoke()
% M9 u# ?% e" j! ?0 u
2 i4 z& v+ B9 i8 F hr = m_pDisp->Invoke(
: k v/ O$ S/ p1 |, I' i9 s' M4 W pokeID,
4 U! Z8 s/ f) z( u, i IID_NULL,$ x, T2 N1 c' i) ?* p9 t3 _
LOCALE_SYSTEM_DEFAULT,- h; E I7 ^/ Q: m+ Z4 D
DISPATCH_METHOD,
$ |7 c; N- y* d R( U, e& Z &dp,9 C# t8 G8 O" @4 L9 q! O
NULL,3 r& _) p) b1 f2 N5 P9 p: d5 A
&ei,
3 n% V- O$ p" w# X/ r &uiErr);
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SysFreeString(topicStr);
3 ?# s4 |8 Y3 i+ O1 v SysFreeString(itemStr);% @. b* D, u0 I* W% R# A
SysFreeString(valueStr);
/ `8 W5 H1 L$ Q g8 }, x0 ? o) D' x
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???
( Q3 f. U( r% C; B) l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????" V+ g7 b& l n1 y/ ^. Z
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& r E% p- O9 j4 h0 P; B5 _2.这是request的程序
& j4 x' }' `3 `- Q& |// Request a value from Extend- a- O4 l, n. Z. W/ Y4 Z8 y
//
( u; @& X ]: l8 f' u// Initialize the variant that will hold the BSTR. Set the variant's
0 W5 z( B# X. F, m2 ~0 _! a// type flag to indicate the fact that this variant holds a BSTR. Place the
- O" c E" u7 H/ [3 X8 t0 d// BSTR into the variant structure.
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1 |+ n1 p9 W7 U requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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7 T6 i. r2 \3 o. W9 H5 O% d1 g% k# E- g, } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 A7 m! g, B& a% J7 r( t
VariantInit(&requestVariant[0]); * l# G; M9 B l: c
requestVariant[0].vt = VT_BSTR;* y" R d- @- [& u2 W$ r& S" O: e2 b
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; A; c% [9 \0 T# q2 _4 w
VariantInit(&requestVariant[1]);
; J0 P& r0 i4 ]( Q# W0 _ requestVariant[1].vt = VT_BSTR;
2 v0 p- r& \/ L( }. y: l# L& D0 ? requestVariant[1].bstrVal = topicStr;
/ @/ \6 Y. r. P a( h
, }- E1 B% z. c q// Set the DISPPARAMS structure that holds the variant.6 }1 v( V% E# [# O
: V! c+ k$ G+ m" ]4 ]
dp2.rgvarg = requestVariant;4 j* C. `: k' b* t2 u" Z7 k
dp2.cArgs = 2;; @/ K$ K# x- x! ?3 v
dp2.rgdispidNamedArgs = NULL;( T. B; ]5 p% a9 b/ D- m/ q
dp2.cNamedArgs = 0;
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0 z9 F* F) h; d1 K2 J* J/ g var.vt = VT_EMPTY;+ G: t3 u( z- \/ L [$ ~9 D# [
' \9 J, K. t& {* S) B0 B2 l! B, F
// Call IDispatch::Invoke()
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" C* U% c! {5 C hr = m_pDisp->Invoke(3 G8 B) W, x: P) C# l6 d
requestID,
4 J% [" w+ ^# |% v- U! i$ i% ]) Z IID_NULL,
( s6 V# i5 u# z( W# u7 U LOCALE_SYSTEM_DEFAULT,& X, J# k" a" \: r7 \1 w3 `
DISPATCH_METHOD,
$ Q u+ |1 D0 v- w8 C5 n" w &dp2,; r" W) w* y" D- [: u, o
&var,
a) w3 {$ v& B &ei,3 s. g4 }8 M4 k! k: l
&uiErr);% M' e$ [: B) d" N- n1 d
2 Q( N9 f0 W+ p8 x1 X! \
SysFreeString(topicStr);+ Q' |0 u0 b% s$ I% W4 l
SysFreeString(itemStr);
0 z8 Z, R- L3 b8 x请问该程序是获得extend里面的哪个值?# |. w9 J, g' ` i
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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