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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:
& V v8 k% P' R6 }" @' ]2 [8 m( `7 NName = (WCHAR *) L"Poke";
8 w7 z0 L: B: X1 E $ F' b* y. A! D% h# _2 ? x7 x' t1 _
hr = m_pDisp->GetIDsOfNames (; X/ i5 w, @8 f9 V
IID_NULL, // reserved
* O8 M# X& I; n1 R &Name, // Array of names to get IDs for
* h7 d3 n0 ^3 w; f 1, // # of names in the array
7 X. q# D8 i7 F# c' J2 z4 K LOCALE_SYSTEM_DEFAULT, // System locale
0 T( ^) A. v0 \$ l5 e9 R &pokeID); // Array of IDs to fill on output9 t; Z$ g& J) t. `4 i
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if (hr)
* K: K \2 L2 d, ~" H# N/ ? {
( N! G6 v+ ~* R% k! f MessageBox ("Get Poke Unsuccessful");+ S6 }+ B& k$ `9 O+ r8 N# F% K, w: h
return;
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) @/ E5 H6 \3 k, n/**************************传递数据给extend**************************************/- R$ F1 A& z( D1 l
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 S0 S5 k2 V! y
* O8 A ? l9 t2 U
valueStr = SysAllocString((WCHAR *) L"1232");
% D6 T; w q8 j1 k( R VariantInit(&pokeVariant[0]);
2 v) P4 K6 c: z- ^/ k, F6 v pokeVariant[0].vt = VT_BSTR;
9 v$ U2 o/ @+ u" D% q. r pokeVariant[0].bstrVal = valueStr;% B6 {; w* F0 U: A+ c
3 O* \/ R5 r+ N* Q0 z/ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ a3 l- o2 y. _5 q+ U
VariantInit(&pokeVariant[1]);
1 x) i# f1 i' _$ o pokeVariant[1].vt = VT_BSTR;
( S! m' K, c' x6 ] pokeVariant[1].bstrVal = itemStr;8 Y5 I6 T( |8 B
% ^6 j3 h7 L& r% z5 `) g9 P topicStr = SysAllocString((WCHAR *) L"system");8 m3 R" t! P" i" P1 y& B2 @. p
VariantInit(&pokeVariant[2]);
" G0 ]6 E1 X- `) J4 N/ B pokeVariant[2].vt = VT_BSTR;
, e2 Y4 H# g3 s' G pokeVariant[2].bstrVal = topicStr;
0 Y) Q+ i" w; u
9 E6 l+ W$ Q# P. n: `// Set the DISPPARAMS structure that holds the variant.
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# R; _6 X# e' H! m5 ?; R dp.rgvarg = pokeVariant;
3 _- O3 Y' n% V! F dp.cArgs = 3;4 g! i+ M2 f& G3 f
dp.rgdispidNamedArgs = NULL;9 c& T1 |+ b: `% F) ~
dp.cNamedArgs = 0;$ B% R; u' A" u7 h5 x& R; a6 K- I
8 e" Q9 S( T+ ~* p+ x// Call IDispatch::Invoke()6 n" i8 L- f u: ?
$ u, b* v. p Z7 Z+ o% O hr = m_pDisp->Invoke(, ? Y$ Z: c' Y. ^! s8 J; k
pokeID,+ S8 P5 k6 ~' T2 H9 q
IID_NULL,
7 v% o" h( I- @$ S1 ` LOCALE_SYSTEM_DEFAULT,
' ^9 o6 E0 H! ?! s4 y* H DISPATCH_METHOD,
" _; d& \6 J3 _8 h$ L, N: G &dp,
4 q9 W( M& j+ M9 s NULL,
$ U- t( \; e ^, w: f* I/ z &ei,
: l/ w" W- \9 W3 h- T- Y9 P &uiErr);
$ g. S" e. ]' E& m& r* G t5 O& K$ q/ h
SysFreeString(topicStr);6 B# x7 G+ S6 a# c3 u
SysFreeString(itemStr);
' l k& C6 Y# @2 v6 y SysFreeString(valueStr);
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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???
. F# H% X+ f9 Q" E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????% x7 Z9 ~" G* g3 ~6 n. O1 t8 Z
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2.这是request的程序
O* W& ^( p# v3 F% k// Request a value from Extend4 K- E% n5 w a3 y2 d9 r4 o
//
& x5 K$ r6 s8 Q// Initialize the variant that will hold the BSTR. Set the variant's
& V+ Q3 _' y& u8 ^% \; j" s// type flag to indicate the fact that this variant holds a BSTR. Place the
2 G7 A6 R! ]8 p b. |! |// BSTR into the variant structure.3 W- a6 t( ]8 @" o* }% x& f
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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: ?$ \9 ^/ K3 M8 o# b; t, t$ | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- q1 X/ z1 W: u9 {- f VariantInit(&requestVariant[0]);
/ J1 A4 ]2 h! D requestVariant[0].vt = VT_BSTR;" B5 H, I4 Y* z4 N
requestVariant[0].bstrVal = itemStr;
5 G$ h) L' m, B2 D
0 I( q$ h- A$ i topicStr = SysAllocString((WCHAR *) L"system");" d; j t* }( l6 g# r1 U* v
VariantInit(&requestVariant[1]);
0 S& Q" ^& B' A' g- G7 C requestVariant[1].vt = VT_BSTR;
) C( S' {; X+ U& b% O1 s requestVariant[1].bstrVal = topicStr;5 J% l, t: C+ p; o
7 Q; \! E- }" w. J" Z' }$ \* s+ e// Set the DISPPARAMS structure that holds the variant.1 w( v& c* q6 R: t
/ H: t# Z6 _8 g6 ^4 c! q dp2.rgvarg = requestVariant;: F( f" Y1 p7 A8 ~
dp2.cArgs = 2;
! b" U) k. f8 D& t dp2.rgdispidNamedArgs = NULL;1 l0 `0 n; k8 O9 m. q& n
dp2.cNamedArgs = 0;
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& w. z! q* j3 L! B* N* O; M3 X var.vt = VT_EMPTY;
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# |+ n' s( p: n2 O ]// Call IDispatch::Invoke()1 d# P6 O9 X8 V5 U/ E
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hr = m_pDisp->Invoke(
" m9 n# N6 }% V, [( U$ v% S* e, K: r requestID,# P2 |0 V/ W H! y
IID_NULL," M' o& o2 ]; F5 Z
LOCALE_SYSTEM_DEFAULT,! x9 V+ }- l( e+ Q7 B/ }
DISPATCH_METHOD,
+ V: k& S# } ~. @) J; E2 |( ~( E &dp2,
+ L+ F5 k6 A7 s/ Q1 z &var,
& Z5 ^$ [/ N% n# a2 v; Y" Y &ei,& [: Y7 `/ I; F- R5 q4 e
&uiErr);$ L. c5 i) N. q
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SysFreeString(topicStr);
/ c0 p* U g v4 ] SysFreeString(itemStr);: s, w9 G0 Y9 t/ m" _2 ~+ R
请问该程序是获得extend里面的哪个值?# a ]# K7 x+ E7 _
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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