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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: x/ X5 _6 h, h1 M0 i, m$ |
Name = (WCHAR *) L"Poke";& l$ u( U9 C6 p% i4 R6 `7 F
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hr = m_pDisp->GetIDsOfNames (* i: J7 D& r' x
IID_NULL, // reserved
' c% t9 W9 o- b- }. j- ? R" f &Name, // Array of names to get IDs for& }. [/ t8 W4 G; I) F
1, // # of names in the array
. _7 N( l" q, q; i) Q) z0 Y. y LOCALE_SYSTEM_DEFAULT, // System locale) S' |' f% U# n. P" r
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
& j3 ^' X! J- w7 b2 x9 g return;1 \! y' [* Y4 f1 T" q: W; t
}
, T ~+ @9 y# _
5 D# B- H' p7 _1 K- \. Y" n/**************************传递数据给extend**************************************/: @# O. S- S, s# I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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_; H$ ], O: E9 v valueStr = SysAllocString((WCHAR *) L"1232");
9 w7 y) S/ B# U) `( p4 J VariantInit(&pokeVariant[0]); $ T7 f( n; ]# Z1 i" q9 V$ x9 `/ I
pokeVariant[0].vt = VT_BSTR;# w" Q" \0 ^. f
pokeVariant[0].bstrVal = valueStr;
p0 l0 @% C: F& b. L
0 y$ S/ p% b, y' G1 @5 b1 R7 L+ o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. L% h% z! d, A4 `3 v6 c" ^
VariantInit(&pokeVariant[1]);
% G8 t# V* V w5 u1 V% @ pokeVariant[1].vt = VT_BSTR;
: a* v- `+ C; f pokeVariant[1].bstrVal = itemStr;* z+ b& T8 x5 O- }1 ~* ?0 F
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topicStr = SysAllocString((WCHAR *) L"system");
* @' ?; H; p5 L2 ? VariantInit(&pokeVariant[2]);
& e. E$ ?- u- C: ~7 L: M- a i pokeVariant[2].vt = VT_BSTR;
; S1 F4 g+ d$ b% P& m2 q& }$ c pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.) V, p4 S* }/ q
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dp.rgvarg = pokeVariant;
- e& G; B7 |0 w1 `) H( [9 w9 s. q5 H dp.cArgs = 3;
( ^% V' Q% y8 _. z2 l dp.rgdispidNamedArgs = NULL;
& Z* I- J- g( L: f0 J; d! y7 z# c dp.cNamedArgs = 0;
$ O; y% T: b' z' K: H2 Z6 b- b% I9 `4 m2 q7 x1 C* H3 J$ K0 | t
// Call IDispatch::Invoke()! V7 T+ @! T4 [% }* ^* k
/ q' G5 o" G! r% U, _ hr = m_pDisp->Invoke() O# c6 A$ L* K H, M7 p, r7 {
pokeID,
1 f4 X& P2 R) w: B IID_NULL,
! h$ { h: O: ~, M9 V' u$ e LOCALE_SYSTEM_DEFAULT,
/ c4 E# y. i: Z4 @6 Q0 ? DISPATCH_METHOD,1 L2 r N. ^# `
&dp,
+ q6 O+ o+ z& K5 s NULL,
6 ]; Q+ T+ i3 P% t: e. ` &ei,
0 k. D$ }; p0 R* d8 _ &uiErr);3 i U g% e3 M) @- C
, O# s1 i+ A# G K8 v4 ] SysFreeString(topicStr);
+ @2 @4 p& J' T1 B, I/ g/ N+ K SysFreeString(itemStr);
2 _( D6 I) @. X, h# `8 o# h( M2 U( 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???2 }, @& `9 D) I
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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2.这是request的程序+ j' s. k1 G1 ], l6 X
// Request a value from Extend E! n" R8 z% j4 P; O
//+ W! Z% {1 r) r7 C5 W, _3 _
// Initialize the variant that will hold the BSTR. Set the variant's( ?/ i$ e; H0 H3 r0 F; t% j
// type flag to indicate the fact that this variant holds a BSTR. Place the; }4 P, X% b- a
// BSTR into the variant structure.
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: D# H$ B: I8 a- `8 U! c2 |' i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); o/ S; t) a: f. n' d, o
. k& D. d* }. U: W& y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! o: j0 W' C/ A/ \- W( l- H VariantInit(&requestVariant[0]);
8 B+ {; L, q$ K1 Y$ N; Y requestVariant[0].vt = VT_BSTR;5 c; C- d y: Y/ s7 K# ?2 e8 o2 M
requestVariant[0].bstrVal = itemStr;7 Q0 Y# D( O! C. t* d- ~
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topicStr = SysAllocString((WCHAR *) L"system");
. |" v/ a! V$ v* H! W VariantInit(&requestVariant[1]);
/ I4 _: p |* T5 _3 h requestVariant[1].vt = VT_BSTR;& C6 z! v% E; c4 G! n4 N
requestVariant[1].bstrVal = topicStr;! j0 d" c( {9 @
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// Set the DISPPARAMS structure that holds the variant.+ g% Z2 f! h6 Q2 [
% N. f1 i7 ~$ `5 s% h/ C dp2.rgvarg = requestVariant;
, u- ^* v6 V2 g dp2.cArgs = 2;
- R, Q! ^* K/ ]+ Q7 r) o dp2.rgdispidNamedArgs = NULL;
: ^4 p4 V+ r8 G$ n/ f dp2.cNamedArgs = 0;% c7 Z: }6 ^8 [" Q+ ?: V [) u
' f1 {) _$ \8 ~8 N; G2 b var.vt = VT_EMPTY;
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+ m7 p ~. @3 u3 G; ~// Call IDispatch::Invoke()6 f2 }. ?; J; U! _% {
/ X' U; C6 W- g, s6 R hr = m_pDisp->Invoke(! D+ x* O* i9 Y/ F1 F1 @
requestID,* a+ L7 |- x6 l% i; ~6 \" x
IID_NULL,
7 d" k( p. E7 g' A% N" }1 Y LOCALE_SYSTEM_DEFAULT,6 n9 O( a% Z: E& ]/ L
DISPATCH_METHOD,
" o' n3 M$ k* C* I; g/ W &dp2,0 ~+ R: ^- Y4 e" u! a9 D
&var,
# ]. F5 ]4 s' T+ ~5 q& D4 } &ei,: O5 e- m8 x- }8 V
&uiErr);- b) Q8 |, o! f* O4 N" C
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SysFreeString(topicStr);
9 u! T# }& e. e# u6 O6 E SysFreeString(itemStr);
1 P" J: V6 l4 Y* ]请问该程序是获得extend里面的哪个值?( Z- L0 A' _' m! h1 b
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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