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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 _7 ^8 P/ ?& R9 U. i% aName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (! @, Z& x4 J/ I' l: L. L0 w3 u
IID_NULL, // reserved
. L- g- j6 v9 x7 u9 S &Name, // Array of names to get IDs for4 c8 ^4 A7 R7 g( l+ g
1, // # of names in the array
|8 D' l2 m8 o9 M4 ~, g8 v& | LOCALE_SYSTEM_DEFAULT, // System locale
* z G& @ y% x" ^# [; l &pokeID); // Array of IDs to fill on output' H. Z3 D/ y) {7 O5 N$ U1 @1 q
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if (hr)0 z4 |- m( Y0 X8 _. b3 m" A' M& r
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MessageBox ("Get Poke Unsuccessful");6 m4 Q/ H( o5 R! E: ?1 B
return;
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/**************************传递数据给extend**************************************/9 y7 ~* d$ T- a8 x
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; d) u" G, ?& b$ f1 D
, ~. m+ o1 c1 G: I- P4 ?* V3 G valueStr = SysAllocString((WCHAR *) L"1232");
9 z9 m- M# o( e" v) _( b2 O) [ VariantInit(&pokeVariant[0]);
& ^/ _% Z: g8 q pokeVariant[0].vt = VT_BSTR;8 H% w, w @0 y
pokeVariant[0].bstrVal = valueStr;, \* J: a. w& A8 I
1 N" v8 `) B$ |( F, S- e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 i8 E% F$ F1 R0 K j! ~! Q VariantInit(&pokeVariant[1]); ; G' j ]! C) o" k. u$ v2 I
pokeVariant[1].vt = VT_BSTR;
+ x, i+ v+ i; B) o$ e$ y" V pokeVariant[1].bstrVal = itemStr;$ Y: l, `% i2 W! ?, N
0 _ i9 R( ]# u) b0 w: k0 K9 b topicStr = SysAllocString((WCHAR *) L"system");' p. X+ T/ M3 C
VariantInit(&pokeVariant[2]);
6 f, F/ v O2 F: r6 c1 A0 b pokeVariant[2].vt = VT_BSTR;
7 u: T% M0 ~& J4 }( x% m pokeVariant[2].bstrVal = topicStr; R+ F1 z1 ?4 x1 }& \5 O4 z" E' O3 I
- h! ~5 j, c r& b% P: a P" K// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant; D0 u' j4 U: M4 Y5 [
dp.cArgs = 3;( d f* E+ l/ \' r7 M# Y& B3 R
dp.rgdispidNamedArgs = NULL;
9 g( F! a" y3 d3 a dp.cNamedArgs = 0;
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8 y! Z0 K1 z ^) @, ?3 v0 B1 d// Call IDispatch::Invoke()
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% R, k4 B/ F" j1 N. D( O, J hr = m_pDisp->Invoke(+ b2 D. `$ v% Q7 i
pokeID,
, s% R/ B! G* r0 G IID_NULL,1 n+ H* a) _9 O5 Y6 d. P, y
LOCALE_SYSTEM_DEFAULT,( [' H( d. I9 R& i( _
DISPATCH_METHOD,
, M& o% s' h' C) L8 y% ]% S& y &dp,
$ {* Y2 W) y1 C NULL,
* ]9 b- M$ x* }, @: F &ei,
3 K4 @. a2 B! r6 x. p) |0 t &uiErr);% X H K+ p0 q2 r2 ]
9 s, N3 t6 @4 _' [ SysFreeString(topicStr);
$ A( R* ~# _0 A& {' R" b, w3 f SysFreeString(itemStr);
% ]+ _4 f# E9 f( i$ v SysFreeString(valueStr); } n! z- T0 B' p& U
" {! n: s' g D( d3 d! A% c4 J' `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???
8 B; C, C! O2 \8 x5 X! k& _. C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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4 d, G0 ~, L3 g/ y2.这是request的程序
; k1 d, S( m( m// Request a value from Extend9 e8 F2 A& J, i% F3 }
// z- e7 j' T g% J; P* w/ c w& x
// Initialize the variant that will hold the BSTR. Set the variant's
: ~3 @8 x+ y% D# w5 d; X// type flag to indicate the fact that this variant holds a BSTR. Place the
: G0 `$ k' L2 M# }9 ^// BSTR into the variant structure.
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3 C- R: N. P4 ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- d5 n- U+ S" F4 N+ r* [4 x7 u
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 w x6 R; C& i$ }9 ?3 K6 N
VariantInit(&requestVariant[0]);
{. c1 i0 p1 O; L requestVariant[0].vt = VT_BSTR;6 m4 g J$ I/ \( ?. P( J
requestVariant[0].bstrVal = itemStr;
?. Z- `' }- r6 l* {
3 i6 `; Y2 E: m8 e+ y8 e5 p topicStr = SysAllocString((WCHAR *) L"system");
" K1 A* q0 s7 G0 K VariantInit(&requestVariant[1]);
. i$ Y" m/ I& m7 J6 n, G1 ^4 g requestVariant[1].vt = VT_BSTR;$ u6 T) Q/ a" {/ {! |8 K- H1 f
requestVariant[1].bstrVal = topicStr;1 K9 r; F/ D$ d. {0 C5 ^
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// Set the DISPPARAMS structure that holds the variant.0 I& u$ c6 y, Z$ M3 E/ f, T
- R& s! k N) f dp2.rgvarg = requestVariant;1 s" L9 _/ I5 J. C) i$ G1 J1 T
dp2.cArgs = 2;! d/ p; ^6 B: J
dp2.rgdispidNamedArgs = NULL;2 R$ @& j3 D; a4 X2 X" Y
dp2.cNamedArgs = 0;
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+ ~; D6 |( d- a, c" x; k var.vt = VT_EMPTY;1 I, ?- ?! K( d7 B" C v) f
* t/ U1 U7 U7 A% y+ M; e3 v// Call IDispatch::Invoke()
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3 r6 K. d% Q! P P% t hr = m_pDisp->Invoke(5 E$ J$ m6 J6 A
requestID,
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LOCALE_SYSTEM_DEFAULT,
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&dp2,
5 e1 P4 I) P' B- T, K4 R, ^$ [ &var,) O% \5 i! \; [; T% R
&ei,6 n* @0 W" i! C Y0 `( B% v# s$ W( y
&uiErr);
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SysFreeString(topicStr);+ C i' s$ \; ?& v
SysFreeString(itemStr);5 _) k7 F6 o6 g
请问该程序是获得extend里面的哪个值?4 C, y9 ~% k& C/ G' 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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