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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:7 r; a4 S! t! a2 Y; w7 r5 p
Name = (WCHAR *) L"Poke";8 [" \ _/ J3 }4 W* @
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hr = m_pDisp->GetIDsOfNames (
: I0 P, k, u9 x7 @ IID_NULL, // reserved
" i( P9 }8 H4 p% g% |2 J0 v& |! q &Name, // Array of names to get IDs for
1 e$ }4 q- e- R; _ 1, // # of names in the array
/ x/ r- z4 }0 H8 G LOCALE_SYSTEM_DEFAULT, // System locale# i% k+ q& }6 d# L% j9 I) Y
&pokeID); // Array of IDs to fill on output
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4 [2 M6 X1 K$ t: w, @+ ]" m# `( p if (hr)6 D0 e8 M1 }* g4 f7 n) i6 D2 J) i
{( ]. e# B0 Z8 n3 p9 s- Q
MessageBox ("Get Poke Unsuccessful");; N3 t8 g8 Y2 e6 ~- Y" A+ [+ ?
return;$ }: u c4 ~! R! X5 Z: i
}
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/**************************传递数据给extend**************************************/
' B2 o8 J% U# y1 C# i4 B6 y8 Z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 v& t% l& V# f) n0 M valueStr = SysAllocString((WCHAR *) L"1232");$ k, a& I, c- ^6 m
VariantInit(&pokeVariant[0]); 9 k4 T) h7 L1 f/ L* C
pokeVariant[0].vt = VT_BSTR;
) ]' k+ x% E1 _( L pokeVariant[0].bstrVal = valueStr;% p( x! N. }& _9 Y' r
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ b" d2 W& g8 A* Z. ] VariantInit(&pokeVariant[1]);
, X2 ]8 t# d8 l; M pokeVariant[1].vt = VT_BSTR;1 ?, G- Y2 A! v4 ]6 p
pokeVariant[1].bstrVal = itemStr; Z' o" g7 e" ?- f
+ V1 ~5 s7 O1 O0 E3 p
topicStr = SysAllocString((WCHAR *) L"system");
; v- s% U3 g+ l' H0 }. ? VariantInit(&pokeVariant[2]); : W* {- Y I% d; M
pokeVariant[2].vt = VT_BSTR;
[- \/ K' j2 _0 D* L) J pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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. B+ C$ e/ [1 K! G) W dp.rgvarg = pokeVariant;
. g' n- H& u! ]1 a! P/ m4 T dp.cArgs = 3;
* K. f/ T8 q" a5 X- O5 a% V dp.rgdispidNamedArgs = NULL;
0 l6 V7 S% U- ]9 i; ?' J dp.cNamedArgs = 0;/ M) U( I3 R# D: S( Q3 G( P8 r/ X$ u
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 D G7 h: p! I/ \6 w pokeID,
+ e+ o/ ]$ {: C: O. M IID_NULL,
$ \5 r' C3 V. J) E LOCALE_SYSTEM_DEFAULT,
1 P0 P* g9 o/ O; J9 B DISPATCH_METHOD,
/ E7 Z/ E+ o. w: _ &dp,
; C$ n( s# X8 m% w NULL,) U, I" R$ _, G8 b
&ei,0 L4 Y. B R4 o
&uiErr);0 a! f, |9 X# K& R& j% X/ H
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SysFreeString(topicStr);
+ P7 M( }. T: N4 C" Q SysFreeString(itemStr);
; e- {4 b) A' a) t0 A# j" }, U SysFreeString(valueStr);* [5 ]9 y! A+ G& R E
& ~' c% B: P1 s5 ~2 O3 h4 F) Z
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???
3 j0 P- {2 W. B0 Q3 C$ j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????2 I3 d$ l/ f9 p) y5 }8 e
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* d5 @3 g+ N( _# o2 E
2.这是request的程序# F: W3 _, N1 j$ Q5 `0 F* l
// Request a value from Extend: p" Z0 J6 U$ G3 v4 l9 E
//
' y, Q- [2 Q- l& {) P$ h |3 Y6 ^// Initialize the variant that will hold the BSTR. Set the variant's. Y. s w( J- ?; R" @5 L: t9 o
// type flag to indicate the fact that this variant holds a BSTR. Place the1 A5 U3 d' E* b2 a( _1 i
// BSTR into the variant structure.7 W9 b8 h2 D& Y* I% f2 k0 @
7 [) y+ D4 a4 u i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( x" q/ X- `" q9 F1 [0 W0 L
VariantInit(&requestVariant[0]); ! ]* [+ ?. u. r$ i& U* S5 `4 |4 K
requestVariant[0].vt = VT_BSTR;: A( {* k0 M* S s2 y9 s
requestVariant[0].bstrVal = itemStr;
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/ X2 h' d7 q# P, B' j4 N' j topicStr = SysAllocString((WCHAR *) L"system");
* E- v: E- _6 ]- {; T% S3 q# p VariantInit(&requestVariant[1]); : G2 i4 N1 [6 I5 e( f: @3 E, {* z
requestVariant[1].vt = VT_BSTR;
2 Z4 ]8 x" g! h4 r) E requestVariant[1].bstrVal = topicStr;. q( V/ Q4 U, ^5 O
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// Set the DISPPARAMS structure that holds the variant.- p5 U( c) G7 Q& H( O2 u, c& Q
+ {* B8 v/ S* o8 g- W) U dp2.rgvarg = requestVariant;2 B6 a6 ^/ _" ~2 D3 E
dp2.cArgs = 2;
* J; I8 s% `* {' c4 P/ p9 [ dp2.rgdispidNamedArgs = NULL;
' `8 `5 m W% k2 |& i7 r4 W dp2.cNamedArgs = 0;
r% P. }$ d# k
* l1 O8 l! b: p1 Y" E: T1 R2 g var.vt = VT_EMPTY;, n/ m, `; F% K) @) v7 ?
, f) P- G/ l4 p4 g5 l4 Y8 A, K! W3 U// Call IDispatch::Invoke()
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% ^# j( L/ k* g0 y" G- u hr = m_pDisp->Invoke(, O; t, E/ F% I3 C. F' v
requestID,0 T+ W/ m9 D6 ~9 j! B# u
IID_NULL,! s, T7 O0 e2 b z. L0 Z
LOCALE_SYSTEM_DEFAULT,& `. |6 v' W9 q1 @% i
DISPATCH_METHOD,
' e" ~* r1 _. J( Z7 @ &dp2,
" t) U7 j. u) M, S' b, ?. A &var,2 l% f5 l; a+ a1 d6 n0 ?4 m& Q
&ei,
& p0 ?& ?. J/ Z* I* i2 Z &uiErr);( g% T1 G1 H3 a/ }* _2 I7 E
, [' c' P& R; K' C/ x
SysFreeString(topicStr);
) D9 ?3 ?& t! ?$ ]% X SysFreeString(itemStr);: y& l6 N* _7 L% I
请问该程序是获得extend里面的哪个值?
1 B+ v) i$ r7 H! T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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