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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:& V$ }9 Z" k. R9 z1 [- q! Y6 j( w" Y
Name = (WCHAR *) L"Poke";, s# h$ m( m6 V: k; a
) I+ v: A2 v" n5 |) D3 X7 H hr = m_pDisp->GetIDsOfNames (
7 l1 l4 j7 ]/ M7 C0 Q8 l8 a) U IID_NULL, // reserved1 ?9 `0 Q# t( W5 w
&Name, // Array of names to get IDs for
9 S; ^/ k) |9 ]6 t; ^. W 1, // # of names in the array
7 G" G5 m, ]3 d0 Q LOCALE_SYSTEM_DEFAULT, // System locale
6 B% M2 `' ?- m# a+ q, _+ e &pokeID); // Array of IDs to fill on output
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if (hr)0 T+ E+ `0 V# Z2 @/ ?5 S3 H
{' ?, w6 ^# \/ g* t7 B; S" t
MessageBox ("Get Poke Unsuccessful");( e- w2 W3 t$ p6 E/ c6 I# c9 l1 A
return;
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' h; C& D5 x7 o/**************************传递数据给extend**************************************/. v* m+ m$ l. E, q/ _) k6 o" I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 E( b- k+ X. L# H4 Y7 q. R- b. j
2 u2 u' s8 u9 l* f" P
valueStr = SysAllocString((WCHAR *) L"1232");
2 S1 ^9 o/ Q9 U5 b5 G4 J1 g VariantInit(&pokeVariant[0]);
6 q0 h, L) s5 [# M) K) c pokeVariant[0].vt = VT_BSTR;
: W! ^; M' l4 u! ^5 [9 j pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 S, z0 f& R' L% ~. o VariantInit(&pokeVariant[1]); ! j! ?$ e- T+ ]' {) Q# r
pokeVariant[1].vt = VT_BSTR;
/ [# h! x+ y: t, z9 J* k pokeVariant[1].bstrVal = itemStr;
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" h6 e0 d2 F q U' S( m! n topicStr = SysAllocString((WCHAR *) L"system");
# b) i, x& W# L# \/ f3 Q; X7 w( t VariantInit(&pokeVariant[2]);
6 z4 c# n+ p/ v2 Z7 g pokeVariant[2].vt = VT_BSTR; \# Q9 }1 W3 }4 O- F) r! h
pokeVariant[2].bstrVal = topicStr;
: \( _8 L- C! \% ]' I7 X
' q1 U5 K" M% O/ w% R4 d// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;" s" F+ ?9 e& ~2 U" y# J2 |
dp.cArgs = 3;" f; q9 k) a7 b( {8 W/ [3 I' {) y
dp.rgdispidNamedArgs = NULL;
" j( U4 n; U, W dp.cNamedArgs = 0; i- E! }6 k6 d- y) p
& l* P1 _/ L9 e3 k1 F0 P: ~/ w/ v; }/ T// Call IDispatch::Invoke()) s2 F' N! |4 V2 U
8 S2 X- x& z# j9 ?' U hr = m_pDisp->Invoke(( p: v, P. a3 q2 x1 j1 D6 m* _
pokeID,
# _: `+ r- Z2 E8 G# S1 w' u2 h7 a- j) I IID_NULL,( h) I; m8 i/ x9 ]' J4 u
LOCALE_SYSTEM_DEFAULT,) x T2 f1 U7 c: I, K0 k' {9 `9 D! A
DISPATCH_METHOD,
3 A; R3 \) F* j/ d( k& [" O+ U &dp,
+ P* c2 F. c1 @/ E" D: ]" m NULL,
/ y2 Q7 l, A( s1 Q# X* | &ei,, k: w; O4 ]; w
&uiErr);
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SysFreeString(topicStr);5 B( w( O# ?7 m* A$ x
SysFreeString(itemStr);
- t" E+ S$ k, U+ m SysFreeString(valueStr);) [1 }. P1 ?/ R5 @+ _' m* {
1 p3 R& A2 E0 i& z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???4 ^" E3 [6 o6 e) m/ K
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????6 E, \! s" G8 F2 Y% t5 X( F r, ~! `
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2.这是request的程序* S: K" `9 _0 Q0 e9 K
// Request a value from Extend7 o1 @2 K1 r( \5 X6 z
//
4 S$ l) `& u3 {7 A/ @* r) O// Initialize the variant that will hold the BSTR. Set the variant's+ I! U: B/ l6 q9 U9 X; f
// type flag to indicate the fact that this variant holds a BSTR. Place the. I: ^$ f. y" f4 u4 B$ o2 l
// BSTR into the variant structure.
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' |# W) O$ @' N& u0 s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 l8 E L- a& F9 Y8 O# g E8 Z+ e. }
$ O9 c5 y6 B" x1 H7 w" E3 Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ J( |5 F( C8 `1 Z' }9 _
VariantInit(&requestVariant[0]);
1 e6 B5 j6 _. m- T0 D( x requestVariant[0].vt = VT_BSTR;& g- P' l& Y: M" x
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, F" ]) n4 ]$ i- i! `4 p4 Q% B
VariantInit(&requestVariant[1]);
B' G& ?0 H: q% K) z0 v requestVariant[1].vt = VT_BSTR;
/ `2 r2 x$ w+ F( E0 b) m requestVariant[1].bstrVal = topicStr;) C( s4 X2 g* e
) n5 [+ @9 V& U7 W5 H5 p. X// Set the DISPPARAMS structure that holds the variant.
/ N# j6 Z8 n/ r9 J( X. F7 r. s( W6 F, J5 {$ b: `! Z
dp2.rgvarg = requestVariant;
8 a+ P3 C# Q: g# o dp2.cArgs = 2;8 ^0 t1 _0 C. ?7 p$ a! k6 D [
dp2.rgdispidNamedArgs = NULL;6 P7 a- p6 _1 \ ~* Y, t
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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' ~ {. o% [1 S0 K' z. X) X// Call IDispatch::Invoke()
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1 [0 U9 H7 g0 |4 Q6 O% M hr = m_pDisp->Invoke(: b1 F4 A% U7 o( c1 m
requestID,
) G9 K4 h7 }" x% C. o4 O) R IID_NULL,
* w* b6 H# d! b. Q LOCALE_SYSTEM_DEFAULT,
" o3 k: l) p/ T, d: i DISPATCH_METHOD,
5 V, d U4 ]6 M+ i &dp2,) E ?' D0 o r+ i o9 E' N
&var,! m/ j. _3 k& e1 c( k1 [, K. J' ]( K
&ei,
1 k% ?8 ^8 g8 q4 ^8 K. n* [; t &uiErr);8 m: v E( m0 U- J7 O& f' L
. C+ \3 S* P! k8 e: F; Y0 p a
SysFreeString(topicStr);
9 e7 }* y3 v( u, a SysFreeString(itemStr);
# c8 u q% G1 X5 F5 Y. M8 l2 @请问该程序是获得extend里面的哪个值?
' H6 c' v3 P* z; T b/ i/ K5 {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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