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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:
8 K% i3 ]- B( H8 o# ~; a6 YName = (WCHAR *) L"Poke";
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P2 I, C6 M, ]1 l hr = m_pDisp->GetIDsOfNames (
6 k+ Z8 @2 `! W. ~; J9 G3 H( L IID_NULL, // reserved
) o4 K6 `. }: x3 } &Name, // Array of names to get IDs for
# i# k' i: Z/ E7 [ 1, // # of names in the array6 d4 m P8 B3 i
LOCALE_SYSTEM_DEFAULT, // System locale( s! q5 e- N8 y; M0 J% t3 H
&pokeID); // Array of IDs to fill on output% N: t0 s7 ]% ^
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
P+ k" G& N" \! L7 n3 w- v return;+ ?( @; f8 g! c2 Y
}
* D" L* a3 Q6 `6 I5 c) B5 u9 J) }
* P5 G! K, e; @4 b% L% }9 y" L/**************************传递数据给extend**************************************/
; U/ l* v/ x6 o7 P pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
; p7 g0 {/ p& c9 i6 Z6 J0 T! b
# c7 [6 N- k1 R' R. c& z valueStr = SysAllocString((WCHAR *) L"1232");
' O9 ]# z8 ]2 r3 v; J' j8 S( \ VariantInit(&pokeVariant[0]);
1 Z8 y3 t/ D; b: n( r/ @+ u pokeVariant[0].vt = VT_BSTR;
: B$ j& Z# a7 o& q' q7 J" I pokeVariant[0].bstrVal = valueStr;- z3 Q, C& H: o7 u6 V) V6 t
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; j: O7 \/ K; k6 x+ R
VariantInit(&pokeVariant[1]);
* J1 E$ A2 t( f: P$ u pokeVariant[1].vt = VT_BSTR;
% @. B7 x3 Z p5 C& j& W pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");0 U, |# T, p5 q! |$ ?- |
VariantInit(&pokeVariant[2]);
9 S V. e" c2 \( K' L pokeVariant[2].vt = VT_BSTR;
: `$ g4 S: K5 k" T) _$ _ pokeVariant[2].bstrVal = topicStr;# _( l7 L' n/ r: l
9 h- K# {4 f9 e3 J// Set the DISPPARAMS structure that holds the variant.9 w9 ]7 |2 d! `9 {* T+ G8 h4 M
8 z$ [- v1 L s) q4 }2 t5 o dp.rgvarg = pokeVariant;
( a9 Y% A# s" K dp.cArgs = 3;3 U9 d/ j/ `6 Q" U
dp.rgdispidNamedArgs = NULL;
- |+ w8 Z3 f8 @3 ` dp.cNamedArgs = 0;
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" ]% l- S+ M- m& S- g0 v// Call IDispatch::Invoke()7 b* G) Y, X/ U
0 Q2 _9 G) s+ h) \! @3 w5 T hr = m_pDisp->Invoke(, a4 M- r/ ~6 {* m6 @
pokeID,% U' ~$ E+ E7 `4 |& ?$ _
IID_NULL,
8 a- {' Y3 g0 @ LOCALE_SYSTEM_DEFAULT,! A |5 R: J" S$ n& V1 C
DISPATCH_METHOD," s. a1 ~. V+ L- ~6 k! b& k' D
&dp,
: U9 ]; a3 j ?/ v NULL,
3 S! v# Y! A6 k3 h! V &ei,) d2 W/ b7 f4 c2 J
&uiErr);
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SysFreeString(topicStr);2 X# W& V6 x- [* G% M
SysFreeString(itemStr);
8 b; }' M7 j( o4 i7 t1 |# n( r SysFreeString(valueStr);
: C+ q8 D9 \7 |% O+ Y( z* W# b* `* ]" h' C5 o1 |5 W
现在这个程序可以实现将1232这个数据发送到extend,extend有一个对话框弹出并出现1232这个数据,不知道这个对话框为什么会弹出并显示这个数据???
' `8 \) _1 d8 m# Z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????
' O# d. e9 b5 w/ K5 {, k% ^3 d( I6 C
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2.这是request的程序5 X0 d! Q6 T) V' `! f/ g
// Request a value from Extend
. I3 z' d* }2 i* o# Z9 B//, f0 b( _# q% {. T+ e H- K) {0 j
// Initialize the variant that will hold the BSTR. Set the variant's
& B% v8 D5 N) M2 ` d% V// type flag to indicate the fact that this variant holds a BSTR. Place the
) i4 a y" H* s// BSTR into the variant structure.
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- T% _( m. l4 `8 h+ A$ O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* s( |! y: R) z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* Y1 J$ Z0 X c! U' K VariantInit(&requestVariant[0]);
) H! X* O8 o z# A/ k, [! @ requestVariant[0].vt = VT_BSTR;
8 L' u: E, n. \# F* V requestVariant[0].bstrVal = itemStr;
G/ }+ v& n5 i5 J; ^3 I" v4 m) v- w5 Y6 ^" F
topicStr = SysAllocString((WCHAR *) L"system");1 p; [/ F; {. N- T
VariantInit(&requestVariant[1]); ' E2 i* a' O* N! n
requestVariant[1].vt = VT_BSTR;
. x0 c. Y' k7 w' c: z requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
0 C2 E# X h0 [' ?& v3 K! u dp2.cArgs = 2;0 T% x* H {8 p% I
dp2.rgdispidNamedArgs = NULL;
; a! p4 s3 g, L dp2.cNamedArgs = 0;0 k) t4 S9 v8 R: {
; [0 o2 K) C( z+ X, q
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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$ E0 u( d' A7 d: ^4 c8 B1 z0 ?% j hr = m_pDisp->Invoke(0 c8 L% t9 b, J1 p* `
requestID,
8 `: B# W& e' O5 ~% F3 K IID_NULL,
( }( d& L; O9 U5 \/ ^" U& H0 ? LOCALE_SYSTEM_DEFAULT,+ F' j0 {; j7 {! z
DISPATCH_METHOD,
2 k G* ?/ I; L! g, o! N( t9 J& j5 | &dp2,( `& F6 n+ S8 p0 B0 Z, T$ Z
&var,0 n! [( @, M' ?* u. ?' a
&ei,
7 c0 Z- h7 U/ ^* r &uiErr);
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SysFreeString(topicStr);
: X* ?7 y L- Q7 ^! z SysFreeString(itemStr);
5 |9 M# m% n. ?% ^3 ~. L& J请问该程序是获得extend里面的哪个值?* H$ M. E& I1 B, M( Y9 E
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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