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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:
2 a* W$ A( V, C; Q( ~4 Z% E' tName = (WCHAR *) L"Poke";# J% F% \' F9 C; o5 A3 X
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hr = m_pDisp->GetIDsOfNames (
) \0 G+ E" U7 Q0 ? IID_NULL, // reserved" O3 F' c5 v* }' R/ L
&Name, // Array of names to get IDs for
9 [: q0 w4 d1 H) u: m 1, // # of names in the array6 M$ ]7 J, }. P7 h4 Y# x3 R4 |4 T
LOCALE_SYSTEM_DEFAULT, // System locale
* M5 K8 L- H2 i3 G/ Y; k &pokeID); // Array of IDs to fill on output0 }4 v% `2 c6 o
0 S' X. a+ M! g/ J; P8 Q
if (hr)
( [- I$ Y- [$ f9 X8 V. d% n! [* D {8 I, R0 b/ g: O( K0 _% L: v
MessageBox ("Get Poke Unsuccessful");- _/ P1 U! c( Q1 L; M' j# M
return;
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0 O f' y. E2 F; X/**************************传递数据给extend**************************************/
* I/ y$ h2 B! _3 p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 K2 ?1 k: J5 k& r' g
: D/ m- C% F$ h5 ]" H3 C" F, o* U( Q valueStr = SysAllocString((WCHAR *) L"1232");
$ v6 `/ B; P3 g$ p8 k VariantInit(&pokeVariant[0]); - ~+ a8 P: W2 s. A
pokeVariant[0].vt = VT_BSTR;$ b. r, ^% g- a
pokeVariant[0].bstrVal = valueStr;- X3 k( d: c. j+ m% h* |
* Y1 G. h2 o' n; N6 y1 o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, e0 ?$ u! h* e- i) ~/ ~( e* \ i VariantInit(&pokeVariant[1]);
- ]7 D1 S6 _8 y* Q1 P k% j5 E pokeVariant[1].vt = VT_BSTR;& M9 Z' _/ z. M* d% e
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system"); `4 G* B3 g; u) l+ l) S; T
VariantInit(&pokeVariant[2]);
6 B+ {/ U% X5 j# G pokeVariant[2].vt = VT_BSTR;
# k# g% I. G/ s' O7 F, _) [0 B pokeVariant[2].bstrVal = topicStr;
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% [& ^% ~+ q2 b: G; Q7 H. K// Set the DISPPARAMS structure that holds the variant.
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* B4 V$ B% ]9 @/ G: h1 b- u dp.rgvarg = pokeVariant;& `. n! k, j! }3 \
dp.cArgs = 3;
2 B b1 c7 t+ i) [- P. W dp.rgdispidNamedArgs = NULL;+ D5 F- U5 D$ D1 h
dp.cNamedArgs = 0;
# V2 O N6 o( y* r3 [0 e1 j
8 D( W# p2 P& a# e$ E+ i0 g) Z// Call IDispatch::Invoke()4 ]9 x* q2 O( k {: a) R6 q
% z( U6 u% u" H. U hr = m_pDisp->Invoke(
+ b2 Q9 x( G4 q h pokeID,
0 A! R: s" I, Q# Z0 t1 u; s- u, l IID_NULL,
1 g. j3 Q" N4 [* o9 E LOCALE_SYSTEM_DEFAULT,' r2 ?* E: s+ w" U
DISPATCH_METHOD,
! ~3 t2 N Y: Q' Z2 p &dp,
( N7 f9 b4 @' H2 G NULL,+ ]- W! T7 H3 J3 R: Y ?" Y" n
&ei,
3 v/ [. V! ~$ P) A5 @+ m" B &uiErr);
" G B# A& J2 ?
3 z4 \2 d7 J5 T( r3 T6 ` }& m SysFreeString(topicStr);
: _* Y0 h4 o) b3 Q, C, w% J SysFreeString(itemStr);
/ d+ J5 k; s, V SysFreeString(valueStr);& I. d" N/ M& }% k1 ?; A
+ _/ y: D) ] p1 K+ y4 @
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 ^* h7 M* A* e) f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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[- j4 K4 Q ?
, A- I/ _% w/ @: k9 ?4 r- H2.这是request的程序: J, {2 i+ z2 P+ J3 Z* M) |
// Request a value from Extend
- Q. T, I9 _& W/ w7 g" Q//
8 u! B' K9 O$ M5 u// Initialize the variant that will hold the BSTR. Set the variant's6 g' T2 G' ^' E" F* a
// type flag to indicate the fact that this variant holds a BSTR. Place the6 Q3 m4 M" c" o; q# u- G8 r* i
// BSTR into the variant structure.
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- E/ J' U7 U" T- G0 `1 _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ ^5 m. K: @+ ], Y7 ?2 g' o2 O8 N / _$ y# v) D+ h8 \2 q( d: \
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; B0 k4 A& [# J VariantInit(&requestVariant[0]); 7 m5 V7 k$ f- m. V" j
requestVariant[0].vt = VT_BSTR;8 U# J6 O+ J _( j- a* g- W: n
requestVariant[0].bstrVal = itemStr;, T8 W) U" q7 P( |0 [
# _" k8 B& A4 j7 e0 y/ i- `
topicStr = SysAllocString((WCHAR *) L"system");; _; r% T; B \* z) s. w- G$ _
VariantInit(&requestVariant[1]); 6 ~* y$ ?% L! N( U
requestVariant[1].vt = VT_BSTR;
; U" Q) `1 `7 R requestVariant[1].bstrVal = topicStr;. W% t5 x. ~; e, h
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// Set the DISPPARAMS structure that holds the variant.
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! d* }; y! m9 f+ z4 m dp2.rgvarg = requestVariant;" I& [1 i% I8 O' l
dp2.cArgs = 2;
* C0 h% M, @2 j+ u3 A, E+ a9 M dp2.rgdispidNamedArgs = NULL;
4 O# j! Y5 z9 X( D. m: b dp2.cNamedArgs = 0;- n- B7 c3 S+ T( d }, c+ ]6 F4 I
2 K+ \/ ?: `& @% s+ V& O var.vt = VT_EMPTY;+ ]9 m3 q4 O" a+ A; a% a
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// Call IDispatch::Invoke()
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, d* o# i8 z) B. `: } hr = m_pDisp->Invoke(
2 ^; q M1 Q+ V4 v" s requestID,
/ D" G6 f% `. K3 a IID_NULL,3 A2 y5 }1 n4 n1 x0 N& R; n
LOCALE_SYSTEM_DEFAULT,
1 Z4 I- Y+ K+ m/ X' E. G DISPATCH_METHOD,9 ~0 p& c$ ^1 [2 K' t) `3 t! p) J
&dp2,
( q6 T. @' j6 x& k# I$ X &var,# |, H2 ?2 e& G, H
&ei,+ n& T4 A- I/ S- P# M: p4 f9 u
&uiErr);
( }( b" h# P5 ~& i v+ U' z' m& B ]" u+ C
SysFreeString(topicStr);
5 o) `& U% a. Y+ m$ D8 X SysFreeString(itemStr);
8 U5 _9 m5 [1 [$ I u& G$ n请问该程序是获得extend里面的哪个值?
. B* n! i- I- K3 V& N1 K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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