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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:
3 W" O9 `. {$ Y- D7 m$ m! PName = (WCHAR *) L"Poke";
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8 j! @# ]% z6 W& F/ T hr = m_pDisp->GetIDsOfNames (
' c9 u- G6 d. u IID_NULL, // reserved
7 T" p6 x5 r/ ?4 Q# ^ &Name, // Array of names to get IDs for$ ` g4 R, X. m- p, k; W$ s' C
1, // # of names in the array A9 w# r" p- e
LOCALE_SYSTEM_DEFAULT, // System locale
) Q S& v0 u# G3 l &pokeID); // Array of IDs to fill on output
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if (hr)
. W! r7 z/ B0 m9 D9 u0 P {
0 b4 J3 R( z& q( I( X' P MessageBox ("Get Poke Unsuccessful");, d F7 S: T. Y* T; P
return;, t& J. d7 ]5 R
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/**************************传递数据给extend**************************************/
M3 C, p& L, Y m( j" J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
1 L, S) n3 M, n9 n. k# G7 T VariantInit(&pokeVariant[0]);
' f1 X3 m( D2 h. A% _8 h! l pokeVariant[0].vt = VT_BSTR;
! A. w8 T0 t8 R pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" s+ N1 x0 ^3 Y" P" C9 o
VariantInit(&pokeVariant[1]); ) S+ k0 h2 Z( s: O9 J/ m1 K' R
pokeVariant[1].vt = VT_BSTR;
5 A1 d4 M7 _9 C8 @ pokeVariant[1].bstrVal = itemStr;) i/ t0 k" ^4 T) u% Q
: c. l% V* R( d' J: F topicStr = SysAllocString((WCHAR *) L"system");
, C* k3 r) Y2 H& ?6 f; `7 v5 ] VariantInit(&pokeVariant[2]); : D. Q/ p5 Z8 k- j% a# \+ t$ S
pokeVariant[2].vt = VT_BSTR;
) N7 ?2 f! q0 e4 i pokeVariant[2].bstrVal = topicStr;
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; V: u' `% x; I$ ?' i// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
; S1 h2 V( J. m" J2 R) z( [% K1 t dp.cArgs = 3;) ~1 j: t3 [( v( |
dp.rgdispidNamedArgs = NULL;! {9 a$ v1 |! v4 M
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()2 P6 a$ l3 v0 `
) y3 G9 k- [. C+ F: E4 ?# |8 q7 a5 _ hr = m_pDisp->Invoke(3 i+ G6 l/ F7 R
pokeID,6 j( b6 U% y& e1 H6 A' Y* J
IID_NULL,
" V) c: K3 R$ u3 v- e' A" i LOCALE_SYSTEM_DEFAULT,
V5 {: n4 z, M( G DISPATCH_METHOD,2 }3 j9 I7 O3 ^" h- {+ T6 u8 X+ s
&dp,
: q! @5 b2 t' s4 u/ V' Q9 Z5 }2 `0 ?1 M NULL,
; q! E; v9 S& V! y3 a &ei,
9 z4 F, M9 i( B &uiErr);- _9 s1 D3 E, W
/ q. H: A8 t" h4 I' ]! T6 P! j SysFreeString(topicStr);
$ D' K7 ?. s0 s' @, M! g9 E SysFreeString(itemStr);
6 r7 |5 V6 ^8 q SysFreeString(valueStr);, C; y2 {2 K8 ], R5 M% x
d. `! j+ R# E
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???
; x8 ~% W% \2 j0 m# O3 H' K/ M) x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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5 _) r: O1 c; f8 q y2.这是request的程序
+ T9 Z5 G L. I; b' x5 h. `// Request a value from Extend# ^1 K" J# t; p
//
8 {& y8 i- E8 {, o: I. z3 o% e3 e) Q8 q// Initialize the variant that will hold the BSTR. Set the variant's* v T0 ~& |1 _' n7 ^
// type flag to indicate the fact that this variant holds a BSTR. Place the6 d. D3 }2 @/ w. L5 v2 {& a$ t# n5 O
// BSTR into the variant structure.
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5 R3 U# ]2 C! J+ c* i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* o; m* }: T& ^, b2 V' i& S VariantInit(&requestVariant[0]);
6 x/ C4 B# `4 c: q/ s# b0 [; ?# d requestVariant[0].vt = VT_BSTR;- z1 {7 i2 D% ^1 h4 M4 m/ W. _% m1 e6 w
requestVariant[0].bstrVal = itemStr;$ M6 v9 ~% i) ?: D! ]
! `1 \7 p9 d" B H, p9 G topicStr = SysAllocString((WCHAR *) L"system");
* F8 A3 [4 u0 R2 } VariantInit(&requestVariant[1]);
" ^0 z8 {, h4 ^: Y* U9 l requestVariant[1].vt = VT_BSTR;
( ^; S5 i m0 Z# F* p- P6 L/ ? requestVariant[1].bstrVal = topicStr;( {7 i' v8 Z v$ v' U' G- M
6 g% J* v3 b" n# q% \// Set the DISPPARAMS structure that holds the variant.
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+ ]% E8 C6 n( a7 R8 m" l dp2.rgvarg = requestVariant;" J2 D- n+ n, U/ t
dp2.cArgs = 2;$ g* f7 f4 m( G; f
dp2.rgdispidNamedArgs = NULL;' J& O4 E) k$ J+ c% c' H4 W: R
dp2.cNamedArgs = 0;# P: H( A+ m# k, j% I! w% T1 ?
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var.vt = VT_EMPTY;' i4 I1 K3 |) h6 a& j' e
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// Call IDispatch::Invoke()2 G1 r8 x4 c% w* p4 B% j( p
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hr = m_pDisp->Invoke(
0 I+ s+ i# x8 e! D requestID,. {1 J# X# ^( @" E( P
IID_NULL,6 z5 ]" J5 \& b1 M1 J6 O4 |
LOCALE_SYSTEM_DEFAULT,2 C; y0 a1 R/ z# `' q4 a
DISPATCH_METHOD,
; M- ^1 l% E/ g/ z &dp2,# }3 _- s4 j9 l5 h( a. _6 \" H
&var,# t# e, z- y2 k; @0 X8 D: D4 [
&ei,
, K/ o9 W- `9 S; _ &uiErr);
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SysFreeString(topicStr);$ g& c/ A8 H& ^5 A2 Y
SysFreeString(itemStr);; O" U+ [6 M/ h/ h
请问该程序是获得extend里面的哪个值?
z* [$ k( e7 {6 b# y4 m* H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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