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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:% w! B, D; H/ \# K# A, ~4 W3 I
Name = (WCHAR *) L"Poke";
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4 X& @# h) u, q) b+ d% u' g, o hr = m_pDisp->GetIDsOfNames (
. Q2 l! t& P& K& |9 h" {& @- t IID_NULL, // reserved
3 ] O! r# |2 O! R' U &Name, // Array of names to get IDs for. E% u1 U: C- W& Q5 g" j' a6 z5 m3 L
1, // # of names in the array k7 j9 @6 M( E% `/ Z' T
LOCALE_SYSTEM_DEFAULT, // System locale6 {! [: M" \) n% @- ~! N3 {
&pokeID); // Array of IDs to fill on output
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7 m! n4 C5 ^- I5 Y+ I3 `6 ^ if (hr)
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MessageBox ("Get Poke Unsuccessful");
- r: f2 a, G$ V& [ ~ return;( J2 H) d2 C f" o
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6 E5 [8 ^4 A, K- [9 H/**************************传递数据给extend**************************************/8 `& n) V( G4 r4 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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- @% Q" ^ X8 W% Y, f! t valueStr = SysAllocString((WCHAR *) L"1232");, E+ Z* h! D3 [$ p6 |( ^ N
VariantInit(&pokeVariant[0]); " @8 }* t$ ^# _: h# ~7 a
pokeVariant[0].vt = VT_BSTR;
( w5 k7 q4 O9 f: V7 y6 j: d3 g( O pokeVariant[0].bstrVal = valueStr;7 S( W$ W" N5 t0 D7 a: n% `! \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) J/ O- P* |( P$ ` L; |9 K) r VariantInit(&pokeVariant[1]); * [* o3 y- \6 e! w0 P
pokeVariant[1].vt = VT_BSTR;
K/ r% A3 x3 ^& ]( e pokeVariant[1].bstrVal = itemStr;# p3 O/ _0 S* \0 V
' W2 c# t2 ?7 s' o# L topicStr = SysAllocString((WCHAR *) L"system");
+ W" ` Z4 V% @0 ] VariantInit(&pokeVariant[2]);
# `/ j8 B/ b ? pokeVariant[2].vt = VT_BSTR;6 c# ~5 w' O/ M a& _ u
pokeVariant[2].bstrVal = topicStr;" ?; p. m7 f g, |1 a
- a- B8 A. B9 i2 m1 ?// Set the DISPPARAMS structure that holds the variant.0 ]+ R C& ^+ X# I$ i, U9 {
' ^- {& K6 X; x3 W9 O dp.rgvarg = pokeVariant;
Y6 z% m' J. j ?- T dp.cArgs = 3;
' F* u. i5 S7 y' i1 X" c dp.rgdispidNamedArgs = NULL;
$ e4 I3 Q/ O+ H; V) b dp.cNamedArgs = 0;. z) k4 j. _. g
8 i9 s# J I, Y0 F( s N// Call IDispatch::Invoke()9 q4 g8 M+ W8 T7 ^3 F0 L2 ^
( u1 V8 G! ~; P) E hr = m_pDisp->Invoke(
$ j$ n- e1 i& B pokeID,/ x9 M. k& s- u! P7 J' ?9 V
IID_NULL,
: B$ X/ y6 b) h# e1 z LOCALE_SYSTEM_DEFAULT,# |1 G0 c1 w. W, S4 T) T0 G
DISPATCH_METHOD,6 ~/ @; o, t& _( c
&dp,
1 f) t+ P# w6 I5 n NULL,# i' B* u0 @, b& K2 a6 Q
&ei,
- S7 V1 m2 o6 H% }2 ? &uiErr);
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- I1 D- \6 q4 Q3 K# S$ a( [1 }/ { SysFreeString(topicStr);
, y8 K. \2 c/ x1 {6 d, ~ Y" T SysFreeString(itemStr);( x$ f; ^+ _ J4 Y4 H) p! d
SysFreeString(valueStr);
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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???& @: F+ C5 i7 \5 s
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????1 s& y( O" ~5 G6 v
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2.这是request的程序4 o8 v& a' k1 A6 E
// Request a value from Extend
) Y/ s' o. C8 K/ p( C# l0 o9 j//
' ?% `* {& h. M j// Initialize the variant that will hold the BSTR. Set the variant's0 C9 r+ k5 e- u8 a
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 W; S+ {( c" G+ v( D0 \8 F+ z; B2 G// BSTR into the variant structure.& ]8 i T1 c6 D: M& c+ \& U7 F
3 h* }$ g+ g5 S: O& a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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7 F) C+ E% K% f( X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! z7 |3 q U* P. z3 n
VariantInit(&requestVariant[0]);
! Y! n" ^) k( N0 D7 m6 I1 e5 @: ] requestVariant[0].vt = VT_BSTR;
1 X( q# p) k1 W- g- \; R# x requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& d- `' S! {$ I9 ^4 z VariantInit(&requestVariant[1]);
/ r8 O. Q. e& J u' @1 _( a" c- v requestVariant[1].vt = VT_BSTR;
+ ?) ^0 ?6 d$ h& r+ J7 I& p* z1 J' r requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;& L" ?( r; \* h6 a5 X5 V
dp2.cArgs = 2;9 i: q0 L- {1 j, d, b2 K
dp2.rgdispidNamedArgs = NULL;6 J1 |* Y, [3 w5 L7 Z. U3 t, o% T, M6 P
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
6 |) }5 ] E. V) [ requestID,
+ ]0 |; ]! f S9 z/ K# C IID_NULL,
, D/ W2 b& }. a( _0 {( _0 S LOCALE_SYSTEM_DEFAULT,
i. F& o- q/ D0 u) d5 Q DISPATCH_METHOD,
8 H+ d$ m: F! A+ | &dp2,' l# X. f; O9 {4 f- q1 L) \
&var,7 s2 _- X: G' A, N* ^% Y
&ei,
; Y4 @7 ]+ ~0 w, F& s' f. h3 Q &uiErr);$ T) M h, ]: s
6 Q2 E) N2 `/ g( H6 i SysFreeString(topicStr);
E) Z4 U! B" t$ p SysFreeString(itemStr);3 {9 H# F. r% q& S
请问该程序是获得extend里面的哪个值?
1 q5 K1 [7 @3 P! [& h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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