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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:
6 f8 Z6 ?9 E7 N& D% h# [Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
1 H* D- H) n* R9 a/ V7 b8 E IID_NULL, // reserved
' B$ q1 j$ `$ I- R &Name, // Array of names to get IDs for) U* u2 z# Y. p
1, // # of names in the array
, H9 P& A- r& i2 [9 E+ Z, L LOCALE_SYSTEM_DEFAULT, // System locale
' ^8 K# q$ o2 M& r9 ^; M# f( Q &pokeID); // Array of IDs to fill on output
; k# N3 _+ L+ `5 S1 o 9 `- ?7 I. o* t
if (hr)4 k. U( e" u. E
{
% \( \) n; `% f& L8 }, b MessageBox ("Get Poke Unsuccessful");! M/ @$ J2 l6 u" V3 c; @
return;
) m1 N7 n) L4 G4 q }
& m8 f$ o a n( q4 u
% L7 O1 q% ]! m6 y' f/**************************传递数据给extend**************************************/( `$ C8 W7 [8 K9 Q' n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! ?0 R! `2 s. W, W" M" E' h
& P c4 r* _) n
valueStr = SysAllocString((WCHAR *) L"1232");/ Y# G' h8 y8 t1 Q" e
VariantInit(&pokeVariant[0]);
) J6 `1 ?4 Q/ z# g: \9 W+ x* X pokeVariant[0].vt = VT_BSTR;
]$ k! ?' X3 r pokeVariant[0].bstrVal = valueStr;: |1 m& j1 u5 u1 q
7 W7 x1 I" |* G e
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. r+ K4 v3 N( N4 q
VariantInit(&pokeVariant[1]);
* ^+ c" y% o# j, j/ s4 v pokeVariant[1].vt = VT_BSTR;9 d: d$ Y5 e0 a* M6 U( F5 P
pokeVariant[1].bstrVal = itemStr;* Z' ]# M# W& V. T9 p+ b6 K
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topicStr = SysAllocString((WCHAR *) L"system");, h. P( K% ?. F( L1 w
VariantInit(&pokeVariant[2]); : B# ]7 B9 J8 Y( `% T
pokeVariant[2].vt = VT_BSTR;& x& J1 |9 @3 `
pokeVariant[2].bstrVal = topicStr;* K/ m r% ?9 ^- o2 R$ N& D
$ O2 ?( Z6 ~: J* b( n; |// Set the DISPPARAMS structure that holds the variant.
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3 R2 i: a" y. A8 d, z o% r4 x dp.rgvarg = pokeVariant;; S( i) m6 W# z- H0 Z
dp.cArgs = 3;
# L' s; _$ H8 `6 |0 ]2 a dp.rgdispidNamedArgs = NULL;1 U7 Y. c% l* y2 R+ U
dp.cNamedArgs = 0;# J4 X; k6 N, A
2 Y7 p4 y9 S; g! a" S' W- g l! c// Call IDispatch::Invoke()4 F/ m9 k& W" v0 S* a7 _; O/ K
- V; h6 U) I+ o* q hr = m_pDisp->Invoke(
; G# W. a1 a" F; D* \8 g pokeID,4 ?9 q% Y7 @! R1 |( F: ]* ]- g
IID_NULL,% A; e" C$ ^$ @5 Z* C9 ^, B
LOCALE_SYSTEM_DEFAULT,
2 ~1 E: O( `7 K( D& H7 `, M' h DISPATCH_METHOD,7 h8 X) } i5 _
&dp,& O. ~' e5 {3 p: X
NULL,
W: W$ b, q' D$ V M8 L &ei,; x* H* _; G8 V t3 U' i+ s7 R
&uiErr);
* v4 \/ U; C1 s1 L
4 x! V7 d% S+ B) e- l& j SysFreeString(topicStr);: z+ i8 @0 P; B6 i/ G* T
SysFreeString(itemStr);( |: o0 E( B" d/ K1 R
SysFreeString(valueStr);
( i- L& [3 P2 X F: x' k" R
* b# } ^$ ?$ J8 ~ w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???
* m$ o/ y8 N9 w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 i% ^+ G4 k+ j9 s P ^& f4 H+ H+ N( A+ t* C0 A/ W" d6 M
2.这是request的程序6 m3 ~# n' u, u" ?
// Request a value from Extend
# W: e- N. I4 o- a//
( M2 C: M J% q# U/ ?# d// Initialize the variant that will hold the BSTR. Set the variant's
* k% S9 J4 h* s& R4 g; d// type flag to indicate the fact that this variant holds a BSTR. Place the
7 @2 h. e! D- R, u9 Q4 v& I// BSTR into the variant structure.3 E! |2 t5 S% G0 c' U
& c; _+ v8 d; m
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
# W2 H6 G$ g2 N! ^, @
$ G3 b- q- o* x1 r8 a& j9 T+ f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. C' w. l% n. w! q. s+ f" n
VariantInit(&requestVariant[0]);
. G' p+ C5 U0 d" Q) G requestVariant[0].vt = VT_BSTR;9 B( L8 u& [' Q! e* j( Z/ X2 D
requestVariant[0].bstrVal = itemStr;, o7 S, e7 n' T" B5 k6 w
/ k$ w5 X% R; g8 M8 \7 i* ]2 M! C topicStr = SysAllocString((WCHAR *) L"system"); v5 z6 J* n5 n
VariantInit(&requestVariant[1]);
; @: y* ` G+ N7 F: q! V, g requestVariant[1].vt = VT_BSTR;
9 A, u( s) ^: x" G1 G0 s requestVariant[1].bstrVal = topicStr;
3 d8 } m0 ?1 _
% c |) x5 E+ k* _0 G% ?3 t// Set the DISPPARAMS structure that holds the variant." k6 d/ s' l* l8 q8 y
" A% O; V, f7 N4 H8 x& Y: b
dp2.rgvarg = requestVariant;8 t L; \9 ^. q( L, ]& Z! @: H+ q
dp2.cArgs = 2;8 J2 a: y6 R3 t) f
dp2.rgdispidNamedArgs = NULL;
& Z0 r9 B r& s5 h$ {8 J dp2.cNamedArgs = 0;# f/ f+ n6 N7 T5 V: q8 R2 r4 Q
K% S7 J4 d4 h5 f# z& f var.vt = VT_EMPTY;
) F- N/ T; R7 N, q
8 _+ f3 i7 F6 B// Call IDispatch::Invoke()
! Q$ z2 \2 r5 b# j6 g4 {
, Q+ a1 Q5 l( u% I0 y0 D hr = m_pDisp->Invoke(
( Z# R, p$ a; k5 `8 r! }* a/ I requestID,! ~: M. [( p: ?# I' ^7 u/ x6 ~! R
IID_NULL,
- Z1 @. N! f5 ` LOCALE_SYSTEM_DEFAULT,. G1 H6 q& Z5 j$ A
DISPATCH_METHOD,
0 \" U) u J) ^; ?4 Z! X5 q &dp2,# ?* n( i8 _3 t2 Q
&var,
. o9 P( V3 y4 s D! e$ m& ? I &ei,
" N" i& t, f4 r) n &uiErr);2 v# a5 n* z; P9 N
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SysFreeString(topicStr);
! o2 r9 K$ `- \& `& ]/ I& U SysFreeString(itemStr);
j) p9 V2 H, W d6 s' ~& o请问该程序是获得extend里面的哪个值?
& m$ O( c m2 d8 c Y9 Q7 n* {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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