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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:
( Y& F+ i- n! [Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (* a% C! d2 a) |2 D
IID_NULL, // reserved8 E! `6 ~5 q L# m
&Name, // Array of names to get IDs for' z9 m' g6 |8 N8 V( Z# Y1 _% L
1, // # of names in the array
, }( W! A' j9 w5 O. D LOCALE_SYSTEM_DEFAULT, // System locale3 y- t7 W7 B; V" x# |- l+ T% M7 s: y
&pokeID); // Array of IDs to fill on output
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4 \% C. m9 @; a) i5 d if (hr)
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MessageBox ("Get Poke Unsuccessful");
2 O2 l* U/ Q/ ` return;6 N0 h9 a3 [# B
}
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/**************************传递数据给extend**************************************/- P$ Y" a7 v9 I/ v6 w1 p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( E4 S0 f' o5 Y" t! `+ D# E! [
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valueStr = SysAllocString((WCHAR *) L"1232");% Q( x" s- G) z$ b
VariantInit(&pokeVariant[0]); 9 |( B$ J; L: x) g
pokeVariant[0].vt = VT_BSTR;1 ~- _$ \% j7 @4 k
pokeVariant[0].bstrVal = valueStr;, r6 c8 |6 z4 x' b! m$ C: L
- u3 F1 ]) q+ }% t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 _( x6 v; V, Z. F j& ?4 [ VariantInit(&pokeVariant[1]); . |9 T" I: k8 G6 y0 R) W
pokeVariant[1].vt = VT_BSTR;
! ]/ U* e0 m |+ Z! l4 h pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
! p- i$ W7 e' ]& k; I VariantInit(&pokeVariant[2]); # B) c$ k( I1 n4 g
pokeVariant[2].vt = VT_BSTR;, d- L0 u7 g; _/ M/ }4 t
pokeVariant[2].bstrVal = topicStr;
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% ^( X0 Y+ i/ s; ~/ j% F// Set the DISPPARAMS structure that holds the variant.
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0 o/ w) j# [6 h% z, b2 F dp.rgvarg = pokeVariant;
* L& j1 Q4 B/ G; M$ w2 n+ c dp.cArgs = 3;9 S+ N! K/ [- C* \1 D7 F6 c
dp.rgdispidNamedArgs = NULL;* {' R- X/ ^: b5 G" R
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()9 p# i5 }, }, ]8 d
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hr = m_pDisp->Invoke(
; f! y/ T5 y O1 F7 i pokeID,
6 i7 G0 P: X) R' ?: w7 H3 d IID_NULL,2 p! n0 p6 H* ^( l' z& @
LOCALE_SYSTEM_DEFAULT,+ x" P% W. X: Q+ a
DISPATCH_METHOD,
" v2 Z% I5 G3 j( p; T &dp,. I8 u! F Y7 D: Z
NULL,
. h+ P* I2 B) H; s2 A; x &ei,
- L% y4 }: a' p# s: ? &uiErr);
& W. a- {8 |4 |; W% ^
2 p7 a" N! \+ }5 P" o/ x+ P SysFreeString(topicStr);5 ]" ~, T _! u' f! F" f; Q
SysFreeString(itemStr);1 p1 Z; ?, m5 `4 g
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???
. q+ |1 C1 k+ I i2 h- 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????( \& a: t/ \6 T; `) r) K9 W
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2.这是request的程序
, f; i1 P7 n( G* u// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's8 w& @. v' O4 _: K8 z s. _3 @0 I
// type flag to indicate the fact that this variant holds a BSTR. Place the7 W3 B" e: x5 O3 t8 Y+ [7 r
// BSTR into the variant structure.
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v/ `- [- f0 D( T/ r5 W2 \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 ]) D4 _$ r7 F, f
VariantInit(&requestVariant[0]); 1 l+ X4 {. ]7 |5 T" @5 d
requestVariant[0].vt = VT_BSTR;2 S; \% w0 s/ I" _2 A4 E) H
requestVariant[0].bstrVal = itemStr;, y- W. X3 d+ l2 w. Z$ _
1 O& S: M4 u: l' B+ C! q topicStr = SysAllocString((WCHAR *) L"system");$ ?! V/ v5 k% T) |# d
VariantInit(&requestVariant[1]);
& G% M6 A; ?0 Z- ~4 B) f3 u requestVariant[1].vt = VT_BSTR;% W# S c0 ^4 {
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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- m0 _; e; Q0 M1 X7 F dp2.rgvarg = requestVariant;
* ^4 \* N! V/ ~$ K# P dp2.cArgs = 2;% z5 M: n |- `+ s
dp2.rgdispidNamedArgs = NULL;
& x; z. _/ I' i% X7 `: [ L dp2.cNamedArgs = 0;, ], d4 G7 D7 o y( W' S
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var.vt = VT_EMPTY;
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4 a4 Z9 h5 K# U6 S/ H3 t- k// Call IDispatch::Invoke()0 C9 j$ W0 D+ h6 B9 `9 l. K: n" w v. q
3 q6 O$ Q( R$ C3 o! E% o hr = m_pDisp->Invoke(
2 D" L4 c( t. v: _9 U6 @ requestID,+ M1 a7 M: Y- L
IID_NULL,
1 i! k& T; A/ s" q5 m! D LOCALE_SYSTEM_DEFAULT,* S' ^6 v$ I" j% A: \
DISPATCH_METHOD,
; D" h- z7 V0 E2 m0 F% i &dp2,
1 J3 C4 D' e, e1 R &var,
+ }. W. Y: Z# j! y7 s& [) } &ei,
+ H9 j. `: }5 c9 ^, A &uiErr);
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4 G% ?/ x" Z4 r- r SysFreeString(topicStr);3 E. x" T1 \% }' r. I
SysFreeString(itemStr);
% V; L; O" f& I$ V$ A请问该程序是获得extend里面的哪个值?; }% V) r0 P5 E r8 S
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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