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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:+ E0 C& U `7 ?0 i# p+ V# K1 K
Name = (WCHAR *) L"Poke";
- r+ N7 c" H' Q / g8 W X: |' a3 {
hr = m_pDisp->GetIDsOfNames (7 |! I& a" l; Y
IID_NULL, // reserved
( e$ ~& e5 Y) v- K$ c: u: O0 l &Name, // Array of names to get IDs for$ t: k+ B+ I( m& N, t8 L6 s }
1, // # of names in the array
5 O) L \+ _& i6 i- n9 b LOCALE_SYSTEM_DEFAULT, // System locale7 `1 ^4 V8 u! p: ?$ Q6 \7 N
&pokeID); // Array of IDs to fill on output
# p' w0 x9 G" }6 v
6 A/ q* ^" r$ } if (hr)
/ a; z& E) H n. ?4 {7 z {
" J+ h3 i4 Q+ h1 V MessageBox ("Get Poke Unsuccessful"); d( a3 ` R/ K j, R6 N# o- V& e- ]
return;$ ~0 G+ |4 n6 J* J; L
}
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/**************************传递数据给extend**************************************/0 j. E& x( K/ y' T1 W$ s
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# F: p$ ^, }- o. P% U* i # Q# M! ]1 z) b/ E
valueStr = SysAllocString((WCHAR *) L"1232");2 h* v; L, X5 Z0 L
VariantInit(&pokeVariant[0]);
" h1 b2 P, m5 \# A4 g- U pokeVariant[0].vt = VT_BSTR;! y6 u( x" Z+ A
pokeVariant[0].bstrVal = valueStr;
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3 a4 _. B" `6 i& F5 _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ v7 N9 x) ?) l A VariantInit(&pokeVariant[1]); 5 I! A/ H( q' }7 }1 v/ Y V p
pokeVariant[1].vt = VT_BSTR;+ x) r, m3 W( V4 V
pokeVariant[1].bstrVal = itemStr;
* u7 h0 ^* U. {/ t# X8 r% _) R# s9 U! w
topicStr = SysAllocString((WCHAR *) L"system");& S; C5 a) [, P% K+ G3 I$ n( X3 f
VariantInit(&pokeVariant[2]);
' F8 J* `0 G- o0 w pokeVariant[2].vt = VT_BSTR;
% r$ U' g: d! }0 [: r, ~7 P3 u) ? pokeVariant[2].bstrVal = topicStr;7 U I. Q! g3 f4 H/ O& d
; L8 L% l( f6 p* v! Q; R
// Set the DISPPARAMS structure that holds the variant.8 j9 @' e: a6 a; t% y/ B# b
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dp.rgvarg = pokeVariant;/ S" ?) {6 w) _* c! ~
dp.cArgs = 3;
% t Z9 C1 u$ L6 R7 s dp.rgdispidNamedArgs = NULL;- Y, E6 D; d7 J0 G8 O
dp.cNamedArgs = 0;2 U% B0 b8 U0 Q+ M- r7 i, ]& A3 t) R
7 j7 v1 m- t' O# J0 Y/ [. A
// Call IDispatch::Invoke()
+ O7 J @+ J% e
" _* x5 z9 m8 C" e* J hr = m_pDisp->Invoke(( q) [1 R, Q! ~: q7 ?1 }9 i3 d
pokeID,
" I5 C: v% r2 q# j- C8 s IID_NULL,
0 M& c8 F2 V, n; S3 N LOCALE_SYSTEM_DEFAULT,; L/ W$ d4 \+ Y' V( K4 J3 _
DISPATCH_METHOD,
, j! M! {9 \3 L &dp,
1 `3 j7 d) R0 P' D5 I. W' m% v6 ~# Q NULL,. F- r- N% }; L. O8 Z
&ei,
0 ^) y4 s6 [4 n; b, `+ t1 M1 H &uiErr);+ Q8 h3 h. s5 X3 x E! T+ @- ^
, i5 f' B% R* A' z) Y% g1 ~ SysFreeString(topicStr);
0 V. k$ ^5 r% l, j SysFreeString(itemStr);
9 M0 z: x7 W6 e SysFreeString(valueStr);
: C& L1 O% H' K E& W: T% ~2 [- A8 w" c1 W3 ?+ U& B/ S
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???0 o$ I( g: k1 y& h v2 S5 G# D
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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R7 T& q. B- S7 D, G: Y2.这是request的程序
" Z! {0 V! R* d% x$ h// Request a value from Extend# Q; ?( {. Q8 V f7 A) v
//
' \6 j" x4 d% \" z, J' { \// Initialize the variant that will hold the BSTR. Set the variant's" |# a# B i* F J
// type flag to indicate the fact that this variant holds a BSTR. Place the v, }! `6 ~. s! U0 `
// BSTR into the variant structure.
% A' L& X- p) I4 @! l3 ?' s( t# I9 S
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);' `' O+ z% n. Y$ f# ~4 Y/ O: |" ~$ r
! u, C" {7 } J7 ?2 v- w0 F
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* X N0 ~# ` O& m! F
VariantInit(&requestVariant[0]); B: s1 x$ m, j
requestVariant[0].vt = VT_BSTR;5 N+ V/ t: d$ f1 P0 k% N
requestVariant[0].bstrVal = itemStr;
7 U: ]; V. |8 }3 ~0 M% Y2 ~5 [& T8 h3 L, W+ e
topicStr = SysAllocString((WCHAR *) L"system");1 W3 k( g' [/ Y6 x
VariantInit(&requestVariant[1]); 4 D: k% p* S6 Z( n% h! q4 u9 N
requestVariant[1].vt = VT_BSTR;
/ P' A. g9 L1 i+ X: R requestVariant[1].bstrVal = topicStr;
: r! \+ L* ~; n5 q) G4 |' j8 ?8 m5 A- U f1 Z
// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
# u D6 S& l* t* r8 A dp2.cArgs = 2;' u2 N# |' g7 f) q# s% Y3 W
dp2.rgdispidNamedArgs = NULL;1 Z0 _: x4 i7 A; ^# f, h
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY; Z5 A" D/ u! e( g: V
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// Call IDispatch::Invoke(), b5 x8 ]1 O) O' y$ y7 I* W0 P
" i# y0 x1 |2 l, f Y7 A& E hr = m_pDisp->Invoke(
+ e3 Y# f k& l$ |2 u' o9 _: L4 b2 H requestID,
4 l- V; R6 j+ x; b) N8 {* _' ^ IID_NULL, A1 d5 w/ s* _. @. T
LOCALE_SYSTEM_DEFAULT," B. L2 c4 p& p2 [" d% ?
DISPATCH_METHOD,8 x% e" N4 u+ {) K
&dp2,
# G4 \. q3 e" E9 x/ Y( T( Y &var,& s: Q; ^# B' |9 }
&ei," _# t( M8 U, Y1 h- L. a; T
&uiErr);
( N8 e' C. Q' ?9 f0 `: L+ T5 ^. I
& g% O7 f5 b$ U- w SysFreeString(topicStr);9 s: p9 @3 y; c# k
SysFreeString(itemStr);
) a3 {4 Q: E, R3 Q+ `8 b请问该程序是获得extend里面的哪个值?8 F# Q+ S) c, R0 h
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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