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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:
+ t! D5 [" \0 r8 P- X3 QName = (WCHAR *) L"Poke";4 x1 h0 W2 g c; ?9 B
4 N9 U/ f% T' ^$ u! o hr = m_pDisp->GetIDsOfNames (' h& z$ C% Q4 R1 p
IID_NULL, // reserved
2 r( O% o5 ~# X4 j &Name, // Array of names to get IDs for
& y- i6 [ Z, A, X& A' }, g 1, // # of names in the array) e1 m# i5 _! F2 G; `
LOCALE_SYSTEM_DEFAULT, // System locale
9 H( j/ i9 ?& I &pokeID); // Array of IDs to fill on output8 B4 [7 G P# w# Y b; r* p
4 c# b: t4 D/ q; d$ r$ d7 c
if (hr)
- P: A8 Q4 h K0 J1 L3 ^ {1 f4 P1 Z% D1 }& H3 e! i7 L
MessageBox ("Get Poke Unsuccessful");
) ~6 j1 W4 _. ]1 _5 W* l( q return;9 S: t# s6 B( C$ V/ T3 S
}# s" K; |- |) n; ^6 S9 e6 W @
# [9 ^; u1 K1 i
/**************************传递数据给extend**************************************/' o0 F# v% O. L7 e# |: @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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) c5 J1 Q2 x0 a valueStr = SysAllocString((WCHAR *) L"1232");$ U( l% c! V8 }
VariantInit(&pokeVariant[0]);
; ]& q7 d! c' o! v/ Z# @ pokeVariant[0].vt = VT_BSTR;* }: L. M1 j- @: B0 R+ U5 \
pokeVariant[0].bstrVal = valueStr;/ Y: _' v2 _. M
1 f1 g) F2 E8 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 {& }; l3 f0 R9 ?0 F
VariantInit(&pokeVariant[1]);
& s: a' ?' W: f pokeVariant[1].vt = VT_BSTR;5 z: O- W. c; D2 M( g
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; Q- w# a) Q8 A" U* q) H. T7 N
VariantInit(&pokeVariant[2]); 6 E& U! I& t6 ^! p7 v, p
pokeVariant[2].vt = VT_BSTR;: v3 ?" R3 |* a4 M% u1 a- K2 h* h: F
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ v% W2 a: p9 b$ a9 J! G: U0 B
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dp.rgvarg = pokeVariant;
: c, K% e4 |4 N4 l) x2 b- T dp.cArgs = 3;
* U& M/ f' p5 q: L' y d5 ]5 R' } dp.rgdispidNamedArgs = NULL;
5 V& \% z5 i" r' ^ dp.cNamedArgs = 0;9 t: q1 O3 H) M- W
8 V3 J6 V. g& P% |& S' f- X// Call IDispatch::Invoke(). P" m- z# E, M& C
+ e8 K1 j) X' U' M hr = m_pDisp->Invoke(
$ n& U1 w3 g3 S pokeID,
1 w* w) e( B3 O8 _+ d% |; v IID_NULL,
9 E0 H" V( j/ j% O- y, g1 d LOCALE_SYSTEM_DEFAULT,
9 x$ p3 @. b, T DISPATCH_METHOD,
- u1 {9 _5 E1 q$ G$ R &dp,
3 q& ~, C+ x4 `6 Q% I; U4 T7 R5 B1 ^ NULL,6 V+ z5 B3 ^& x
&ei,
( ]" a$ m2 [& H. u& z, g; B' z &uiErr);! }5 Q6 E# Z$ P! I& `1 X% a
# l: Q1 j; v, C T# p SysFreeString(topicStr);8 _9 N# l4 u: i6 g O8 J1 Q
SysFreeString(itemStr);
0 P& p W. z, m. e! R2 T SysFreeString(valueStr);
) [3 O( F& _9 E* L* C# l. G! w/ q; F0 S) z( ~; l0 u& P& 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???$ H; F3 M5 V, `$ P' R) U% J
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????$ J6 [; w* `2 z ?
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2.这是request的程序
1 u! C+ E- k& X- Z// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
# b' F1 j- K2 v% B/ ^4 W6 v+ _// type flag to indicate the fact that this variant holds a BSTR. Place the
5 L+ _- a, E) y// BSTR into the variant structure.% H, P- j9 G4 L5 f3 p( I* \; C) \8 j
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 A6 R3 M. ?! B8 x( H+ x) o* }- f
VariantInit(&requestVariant[0]); 2 C. t8 d- B9 E( p, P1 v; Q
requestVariant[0].vt = VT_BSTR;4 Q, l" b/ y" K
requestVariant[0].bstrVal = itemStr;4 R( n" Q; N8 V5 M8 V4 Z" n; b
/ ^# w- i% q- s/ p8 I7 R7 X i topicStr = SysAllocString((WCHAR *) L"system");
3 [' [1 ^% M; x3 m VariantInit(&requestVariant[1]); 0 B) {8 |9 @1 S" j9 N3 N0 ?
requestVariant[1].vt = VT_BSTR;' K- b; ^6 d# d* A! N" l @
requestVariant[1].bstrVal = topicStr;. I) q) e8 E1 P# i3 k6 w3 g) \' G
6 `9 I9 _* E6 A5 {
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
5 c8 K! A0 I$ L1 V dp2.cArgs = 2;6 f5 ^* y, `- b. V' f
dp2.rgdispidNamedArgs = NULL;
3 z4 M& {! F( {2 T; p$ z dp2.cNamedArgs = 0;* h: d7 a4 P: l" C7 s
. ^0 \& ?, h: K$ I' w6 U( O- r var.vt = VT_EMPTY;8 @9 y9 d0 Y* w$ T/ u* T
6 \' C7 B% I: ~1 s* i4 X* }
// Call IDispatch::Invoke()1 b1 R) H0 a6 _$ n+ a! M% O
. B3 _5 \2 U( P/ ~7 H1 K' g hr = m_pDisp->Invoke(
7 w. O6 {4 J$ z0 g( l requestID,
; e3 h- P6 {/ ]3 i IID_NULL," R/ ~. g2 M1 g' N9 B: s9 H- e
LOCALE_SYSTEM_DEFAULT,! h/ f0 M0 \) c/ N# c7 O
DISPATCH_METHOD,9 H% f% G: T* L; U7 L* N! e
&dp2,; o! x: X( t0 V: v4 g8 H
&var,4 f1 T; @7 w) `1 h" [+ ^
&ei,
% U4 ]/ {+ t* I. X$ s &uiErr);: x3 [1 _$ _) n3 B7 @
4 U* G! w5 b' w) R2 w8 I T. A SysFreeString(topicStr);
8 h! v7 t4 Z2 i# \: p SysFreeString(itemStr);( l1 C7 N2 T2 k) O$ _1 n# O
请问该程序是获得extend里面的哪个值?
. s+ q7 W0 G+ x# P0 M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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