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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:
5 M1 X4 T) Q; {# @% A4 z" ~& yName = (WCHAR *) L"Poke";6 a4 \3 ] u8 _) o
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hr = m_pDisp->GetIDsOfNames (
8 r5 r: @ C9 D% }- f7 } IID_NULL, // reserved
1 ~( y- _6 o. s! ?. |/ r &Name, // Array of names to get IDs for
2 ~- f( B1 W6 c8 V 1, // # of names in the array: u) }) r3 p1 Z: l; J. r& D" b8 b. O7 L
LOCALE_SYSTEM_DEFAULT, // System locale
7 U& L# |9 I p, X2 }3 w" V. b &pokeID); // Array of IDs to fill on output
! b4 P1 _1 s2 P: }
2 n. h4 r; l" k$ m, n if (hr)
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MessageBox ("Get Poke Unsuccessful");9 f% z+ S1 G8 p/ Z1 u- q( Z
return;
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) {( J5 z0 u1 t. f
: N+ G, W$ V; A, |; @/**************************传递数据给extend**************************************/
3 @5 f+ L$ B% E3 y8 A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
9 @- G' G) N& z+ u0 W1 L ; O7 ] N4 y8 C. R5 u
valueStr = SysAllocString((WCHAR *) L"1232");
4 I1 i% H* S7 D% \* |/ S+ E VariantInit(&pokeVariant[0]); - C. a9 \; _5 o" ~% n2 u, O0 }/ }; x
pokeVariant[0].vt = VT_BSTR;
, n$ F$ j* S+ u pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 V6 |+ S6 ?2 m& T m6 T, \
VariantInit(&pokeVariant[1]);
. q: h% d* R2 j' |: X! t0 o pokeVariant[1].vt = VT_BSTR;* s/ D+ t( n E$ v! }# I- d7 O
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");7 D* ` E% q' V+ S) N! {
VariantInit(&pokeVariant[2]);
( e0 j3 x+ S+ ?2 H& W: O S. U- v pokeVariant[2].vt = VT_BSTR;( J& [$ l% _. I6 N1 \, P2 l
pokeVariant[2].bstrVal = topicStr;
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* J$ p2 H2 D( P3 e3 V// Set the DISPPARAMS structure that holds the variant.
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& P& x' H: t, Y2 R dp.rgvarg = pokeVariant;( H1 c% c" \4 `
dp.cArgs = 3;
7 c- l, X$ f* B* j N: U dp.rgdispidNamedArgs = NULL;. Q6 W" J% Y& T& v8 r! K0 x
dp.cNamedArgs = 0;
& `( w5 P( Y: T; A
\2 r6 u) u, `" P0 h// Call IDispatch::Invoke()
# _+ V ^! T) Z
# y/ A! V8 Z* b' i; M- a# r hr = m_pDisp->Invoke(; ^8 m2 B. Z& n
pokeID,
( a2 a: c: j% f: q IID_NULL,- h, Q: w6 R1 o) S7 `
LOCALE_SYSTEM_DEFAULT,
* P: p* p1 i2 S4 P/ T$ M' i0 ^0 K DISPATCH_METHOD,
6 q! ~! Z* W" L) E2 | &dp,
& Z( C. b* S. v7 L4 f" q NULL,% A& x2 b( b+ @5 l
&ei,6 s4 S1 X' d0 L
&uiErr);' j% ~. O+ D* I# S O* C3 T J
5 K! {) p. R- V( \5 I2 v7 i" U SysFreeString(topicStr);/ g/ R* P9 a$ V2 ]8 {" r" v
SysFreeString(itemStr);
3 l2 u9 I5 c3 r8 q7 } SysFreeString(valueStr);
/ v3 P& r) P7 A0 ^0 Y2 U0 t+ K/ o- N2 i3 Z% C/ _7 [
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???
' \. J3 y& m( O- E/ N2 w4 D. X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????2 u2 i8 y P+ `8 Q, d$ l1 `
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2.这是request的程序
, S; E$ C6 Y! I' g5 K// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's6 g. J8 c3 d( I2 O
// type flag to indicate the fact that this variant holds a BSTR. Place the
/ r/ R4 c k9 q; [// 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");' _' P4 r# j' g. O% i. u1 _8 h' c
VariantInit(&requestVariant[0]);
5 z! |+ ^' w: M5 i requestVariant[0].vt = VT_BSTR;
0 y" g% D7 M+ O/ v* i( m- U1 ? requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");0 M+ ^/ ^) ?1 A
VariantInit(&requestVariant[1]);
) w' d7 [" P7 O( F( u requestVariant[1].vt = VT_BSTR;. Q( I% s( w) Z0 d0 g& K9 z7 @
requestVariant[1].bstrVal = topicStr;( C$ i' |9 C5 h# ?: N( M) l0 f
* ~5 L/ z/ I' L: |9 v# F* Z* j// Set the DISPPARAMS structure that holds the variant.- x; w2 j) _3 _# h4 |' l
& ]9 G, ? w6 ~* _4 Y2 U dp2.rgvarg = requestVariant;2 y% U% O6 ~6 e9 S
dp2.cArgs = 2;1 @. E$ y8 [& s4 y
dp2.rgdispidNamedArgs = NULL;0 k6 Z5 p7 X9 }: S% m. Z8 |* u
dp2.cNamedArgs = 0;4 i" ]2 M2 e" n9 j' q/ [ t
0 D4 Y' ^( }: j3 i var.vt = VT_EMPTY;
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% O! W: k- z1 O- Z) W/ y: _// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(; i0 X1 V* h( f( a0 g
requestID,
$ Z0 I/ u* l B! K9 m1 u$ Z IID_NULL,
) P5 q/ p1 s7 @$ a LOCALE_SYSTEM_DEFAULT,
; X% R0 U1 b7 z9 k1 d DISPATCH_METHOD,
5 [( ~! A$ G2 ~ S6 D &dp2,$ e0 ?. ]4 U7 w) g0 @
&var,
' ~2 b% K4 b1 B1 Q0 R) G( e2 ~3 U0 T &ei," i, w# }* B" _
&uiErr);4 A) x' Y2 b9 T& o0 A; E
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SysFreeString(topicStr);
( }2 N; g2 B" p2 M, c SysFreeString(itemStr);
9 j$ g z) P" {& U x请问该程序是获得extend里面的哪个值?, I/ Z& ?! C0 N8 t- ^
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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