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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:0 i: S) T2 N4 L# t" A
Name = (WCHAR *) L"Poke";
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% w9 `% g3 Q$ K% A9 X, v' B5 L hr = m_pDisp->GetIDsOfNames (2 S- }6 ^7 A }
IID_NULL, // reserved
: u# E* I- w+ u9 b* E: z &Name, // Array of names to get IDs for. [ a8 e9 p# k0 C
1, // # of names in the array
8 z; Z3 k P$ b& Z0 V LOCALE_SYSTEM_DEFAULT, // System locale3 X( V, m; E v
&pokeID); // Array of IDs to fill on output
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if (hr)
8 _3 U+ l0 B7 l& E# E* } {
" t X) ]# e3 y MessageBox ("Get Poke Unsuccessful");! Q7 |3 J! N8 P! b3 }- o) x3 v
return;. y% \+ G0 T2 [! N6 A
}
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) s% k8 w2 A/ |/**************************传递数据给extend**************************************/# c2 S4 ~* S8 ?+ G& b+ e
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 P. w9 E* ^7 ^
2 w9 Q; q; s4 M7 [% ~) n valueStr = SysAllocString((WCHAR *) L"1232");
* Z I& m1 B( b$ ]1 z: I; q VariantInit(&pokeVariant[0]); ' u; ?, g0 b( {& e. U2 q+ f
pokeVariant[0].vt = VT_BSTR;# R$ ~# P# w, S* l4 z+ L: D$ M8 U
pokeVariant[0].bstrVal = valueStr;
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' [8 U, ^' M) p# i* }1 E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ ]3 A. g: M* Q, W* s' u1 t; S9 e VariantInit(&pokeVariant[1]);
! [0 I2 N6 a( u/ l+ t pokeVariant[1].vt = VT_BSTR;
# B; J( m, g9 B- |" w+ M8 Z8 a n$ T pokeVariant[1].bstrVal = itemStr;
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% d: e8 Y5 E& X# I( ?- W4 u2 f" Z6 b topicStr = SysAllocString((WCHAR *) L"system");
7 y6 C/ R! Q% |3 y VariantInit(&pokeVariant[2]); 1 U+ J+ ?. i2 O! Z
pokeVariant[2].vt = VT_BSTR;
2 J/ }7 A6 ]2 R: t6 h pokeVariant[2].bstrVal = topicStr;; j2 `+ W( {* f2 G3 [
& S9 P3 F+ ?8 w2 g& o! D: {. T" l+ d// Set the DISPPARAMS structure that holds the variant.# Q2 c! A) p4 h
+ B; P& J* \& l
dp.rgvarg = pokeVariant;
1 X2 H" b% O0 U7 U% @ dp.cArgs = 3;5 E) q2 H r( y
dp.rgdispidNamedArgs = NULL;
% V$ R x% G6 }. {/ V! d3 ] dp.cNamedArgs = 0;( O8 Z) b/ o6 a1 M: C% L) ^& v
+ K; V8 E! G+ ?2 ^( m$ o
// Call IDispatch::Invoke()3 q8 y/ e3 g8 L, E% J
7 m- b6 s6 L6 m7 ^8 X+ T2 c3 Z0 R hr = m_pDisp->Invoke(& N# n: g- U( P# }; E
pokeID,2 c! {- }% Y# h
IID_NULL,
: x0 h3 k+ J" ~' s( e LOCALE_SYSTEM_DEFAULT,
% K" m- Z7 P1 `: ` DISPATCH_METHOD,! N" K8 s7 q K8 S. g' n+ d4 D
&dp,
& z3 Y( p* K0 Y0 `; ? NULL,* ]0 L8 ~- H/ y
&ei,- G9 H) E. ]* u, |, _
&uiErr);
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SysFreeString(topicStr);$ }% F) T7 C9 J V. d
SysFreeString(itemStr);
. g2 J3 V" ?. E SysFreeString(valueStr);
7 p& `' T- \( D+ g% a. D5 y0 _7 O( f/ E& l: Y D1 A w6 d
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???
5 r1 x& V$ C3 Q- f* j# [; L" U! ]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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( p! H; }9 s3 m$ j" y+ P! f2.这是request的程序$ j3 V! P+ V; w$ a: a- N
// Request a value from Extend5 @( q" G' n( G7 C5 S9 S: [
//
* x c5 Y: w$ N! I0 n- I// Initialize the variant that will hold the BSTR. Set the variant's
. @$ C' a5 n; B; q# g% r// type flag to indicate the fact that this variant holds a BSTR. Place the
, ]' u3 p% J: m# t* _. [// BSTR into the variant structure.) F+ }3 m4 L( G2 |
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 z( {3 ~3 ]1 r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 a0 t+ H3 H% T" e+ |) v$ I" z9 s: i
VariantInit(&requestVariant[0]);
; E# i6 {* J# x2 x& r& n( U requestVariant[0].vt = VT_BSTR;
' {: i( l2 \ z- @! P1 h requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
/ q' w7 x4 F' _ VariantInit(&requestVariant[1]);
q$ E4 G0 I. w/ R requestVariant[1].vt = VT_BSTR;+ t5 d+ S6 W$ E: q2 w" w
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.% P3 h9 j7 g$ b) V& i3 w
% U& q; w1 [* A& f dp2.rgvarg = requestVariant;* x. D, I5 M/ i" i7 ~7 }
dp2.cArgs = 2;$ n! q U& J5 Y( C' A# c. l+ F
dp2.rgdispidNamedArgs = NULL;* X8 U6 s0 o" @# ^
dp2.cNamedArgs = 0;, ? Y1 J4 B6 I" p3 Y& W0 B% j
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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' s; y3 ~1 Q( f5 L" u3 c* z4 c. A hr = m_pDisp->Invoke(
" z4 i; t5 B8 o0 z requestID,+ @$ D) S( Q9 @. I' r
IID_NULL,
' n' c# q/ [- _; q% E5 [/ e LOCALE_SYSTEM_DEFAULT,
/ T. d! i9 x( t" ]4 O' L DISPATCH_METHOD,
& }9 M" {" O% j( L. Z& Q8 f' |, n &dp2,$ ?# D& \7 B9 Y
&var,8 T/ V0 x- Q! h$ k, I
&ei,' w' t! @( ^( B
&uiErr);
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5 q x6 f+ Z/ U' j( w$ ? SysFreeString(topicStr);) f& T1 f0 D0 @6 @# C0 X$ h
SysFreeString(itemStr);, w8 z& `8 G4 P# ]$ v. y- R
请问该程序是获得extend里面的哪个值?0 \ N) U4 A# s7 ~! o
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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