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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 O: y% ^) h1 w/ }& S/ lName = (WCHAR *) L"Poke";+ e L1 g& p O: ]) P, F
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hr = m_pDisp->GetIDsOfNames (
6 p/ l$ Y) o+ v. n IID_NULL, // reserved. o4 S7 k( U$ Q/ G
&Name, // Array of names to get IDs for/ x6 j2 I- _+ s" w* k5 N' l
1, // # of names in the array
4 [( q( V) R- h$ _ LOCALE_SYSTEM_DEFAULT, // System locale1 f& [/ ?/ b2 ~* X9 h: k
&pokeID); // Array of IDs to fill on output- `4 z( _$ o4 @# J2 Z
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if (hr)
* i2 H6 F3 c0 s& V2 P1 B' i; D {
! B9 U/ S0 X9 t MessageBox ("Get Poke Unsuccessful");3 @, M# t( J& a+ j" T' @
return;1 _' f' p$ N- L4 m
}
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6 g! O E$ [3 a# [' e# T) W/**************************传递数据给extend**************************************/
) n" e) ~' V# Z( m) }5 d pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% j: I) G# U' _% L
$ @6 L8 y7 _5 M8 Z5 O8 O valueStr = SysAllocString((WCHAR *) L"1232");' A: {4 z9 D/ }9 l$ I+ K8 L' d
VariantInit(&pokeVariant[0]); $ h/ }4 Z& F% z& ^9 A( [7 s" f6 ^
pokeVariant[0].vt = VT_BSTR;3 v8 T+ V& q; E. B- m) Y5 i
pokeVariant[0].bstrVal = valueStr;
9 U3 }4 e6 t+ S
7 Y0 g' Y; y5 I1 R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; ]$ V$ s7 c0 k
VariantInit(&pokeVariant[1]); , v( Z; v& B( [; L5 r8 J, o
pokeVariant[1].vt = VT_BSTR;
- X0 \3 k: i9 j5 \3 L4 t pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: _' C- a, m$ `& ^, I6 u8 v VariantInit(&pokeVariant[2]);
( F+ O1 I* L' a i: H pokeVariant[2].vt = VT_BSTR;& U; m P$ a/ R0 g P
pokeVariant[2].bstrVal = topicStr;+ n2 n4 _0 F! z y, z
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// Set the DISPPARAMS structure that holds the variant.
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. A m, ~4 m& N$ h dp.rgvarg = pokeVariant;( u: N: F8 P- [) l4 [3 j" _- M# L
dp.cArgs = 3;
3 Y" W0 r4 J6 J; V- P( M5 z dp.rgdispidNamedArgs = NULL;
5 o! U+ z# _* _) r dp.cNamedArgs = 0;; _7 i: i1 Q6 I5 p3 [
+ h" n. P3 I2 P: m; E4 ]
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(+ `6 {' ^0 j( e; o
pokeID,' S: u0 U0 T% D) m/ b% g
IID_NULL,
6 m) g/ L8 J( f5 r LOCALE_SYSTEM_DEFAULT,
+ T7 e" ]/ R. b DISPATCH_METHOD,
" S o% _/ P: x X* E, K& M &dp,$ L5 ]( }) N8 W. U ^
NULL,1 R7 s1 u' d) v$ h1 U; h5 T
&ei,
: \% D! T$ G# A( l &uiErr);3 U+ c0 s0 G6 d2 y
" D6 u6 y( { r4 q# W5 W. e, B2 g SysFreeString(topicStr);3 H/ G' s3 f. W' {4 C# i; k1 t6 G7 w! V
SysFreeString(itemStr);' S) G5 I: u4 e& F/ t* x3 r
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???
! {% b( [' R8 @; {& t. h# t9 _/ v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????
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# }" T, z3 g+ @, b. W0 y2.这是request的程序
: p' e' |8 G! Q% n4 Q* X# t0 H& c// Request a value from Extend) d; f6 h; v: @ F5 K: K* v
//' ]- `5 Y" T9 `% T& e" O0 @
// Initialize the variant that will hold the BSTR. Set the variant's
& J/ S" V5 k- B3 t* c: v/ |9 F// type flag to indicate the fact that this variant holds a BSTR. Place the% N1 {" i# M% g8 ^" [3 |
// BSTR into the variant structure.
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) v. N* j; i/ T& b0 U, b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ e1 @) E) i Q
VariantInit(&requestVariant[0]);
) S, A ~* {5 s3 K4 n requestVariant[0].vt = VT_BSTR;' K) O3 i' l9 w5 k8 w
requestVariant[0].bstrVal = itemStr;
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- T+ G4 w- I5 ^8 Z1 | topicStr = SysAllocString((WCHAR *) L"system");) o- e2 g' H) O N
VariantInit(&requestVariant[1]); 3 r6 J% {; _( b8 |
requestVariant[1].vt = VT_BSTR;$ v; B; _) m8 I/ n+ @9 L* J
requestVariant[1].bstrVal = topicStr;
{7 C, k2 b; N3 r4 p" F
2 H5 V, U; H8 i2 @8 `* Z" b// Set the DISPPARAMS structure that holds the variant.( ? i( R& j' R, n' Q
, w9 L, h9 ]1 a5 {6 x0 N; } dp2.rgvarg = requestVariant;( _6 `; ?7 R0 Q# H% D) |& f
dp2.cArgs = 2;+ L# t4 {# W3 w3 w+ \2 n1 H
dp2.rgdispidNamedArgs = NULL;
8 H# h6 `% i) J dp2.cNamedArgs = 0;/ n# f8 h# i" ?; @. r9 _& a4 |5 F
$ _& V7 G4 l' a+ e var.vt = VT_EMPTY;0 H b7 f, p% }6 d
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(9 n9 s9 Q7 Y, X( T, ^/ e
requestID,
3 Q4 `1 z1 t" u: p IID_NULL,8 S) c# e; i7 S3 u1 E
LOCALE_SYSTEM_DEFAULT,. u) V& x$ ?0 _2 t
DISPATCH_METHOD,9 q$ @: w! [' p. r/ a! N& L5 g+ k0 Z
&dp2,
& b P) s2 m! N2 u1 t8 ? &var,
1 k' x1 U/ y7 z. e9 E &ei,
& d1 y+ a& L9 b, h; _1 u0 v9 a &uiErr);+ @' r: ]7 V; M
* j+ j+ n+ M. p, u3 v0 L
SysFreeString(topicStr);* m' o$ ] V( q4 v0 N% V4 o6 o
SysFreeString(itemStr);
' P. ]; O1 }2 D4 _0 Z请问该程序是获得extend里面的哪个值?
7 x$ p9 k/ P% {. `( N) {- S+ J8 p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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