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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:% D3 p/ m% ]" b1 k! ?5 \6 m8 w( s. d
Name = (WCHAR *) L"Poke";5 M2 ~+ y& _3 t+ Q( D
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hr = m_pDisp->GetIDsOfNames (
0 J2 \/ D% X& k# D) { IID_NULL, // reserved( V) c7 F0 o# V* [. ^
&Name, // Array of names to get IDs for, o+ M* c Z' Q$ Q6 v
1, // # of names in the array
3 s8 K+ v7 i) K0 Z' Y2 \ LOCALE_SYSTEM_DEFAULT, // System locale: l3 _) P5 Z' p' t+ I
&pokeID); // Array of IDs to fill on output& ^3 {9 U, r& n
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if (hr)
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MessageBox ("Get Poke Unsuccessful");$ k/ [% m4 B6 I) A! x
return;
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/**************************传递数据给extend**************************************/
" w. _ N! }- b4 Q+ k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 t2 G) w9 S5 v
! }# ?& i1 _, G) H, J valueStr = SysAllocString((WCHAR *) L"1232");4 Z. k" |% m( U' C" b( \" V
VariantInit(&pokeVariant[0]); + a% h$ x% S: m9 Z2 c: G$ j. x
pokeVariant[0].vt = VT_BSTR;
, P5 d L$ i0 ~: l pokeVariant[0].bstrVal = valueStr;/ {0 M; r% m, T9 w2 H7 s+ f
1 i L. k1 d- \5 U: ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" s Z" C5 Y7 u/ O VariantInit(&pokeVariant[1]); 5 K+ N. S% h" |/ N \0 q
pokeVariant[1].vt = VT_BSTR;( I$ ]; h0 z4 b; C/ y; H* a( t
pokeVariant[1].bstrVal = itemStr;
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6 j A, G2 w( [0 `' B% w topicStr = SysAllocString((WCHAR *) L"system");4 ?2 P- d: b6 C; g
VariantInit(&pokeVariant[2]);
, r" o& B1 A6 ?6 q( f$ U3 S3 M6 @. B4 K pokeVariant[2].vt = VT_BSTR;
4 N$ ~* X2 w Y0 C K( D) {6 O pokeVariant[2].bstrVal = topicStr;
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! Q- J+ \) k1 y" v1 @// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 @0 L* m8 f! z$ \" D dp.cArgs = 3;
9 t3 n% A1 H4 ` dp.rgdispidNamedArgs = NULL;
- d1 A5 H7 U" B) d( z' b: Q dp.cNamedArgs = 0;3 P1 C6 } V& S7 A1 s
- w! w, v! c2 d/ { H# [// Call IDispatch::Invoke()
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& u* e( D8 z9 U& z hr = m_pDisp->Invoke(" ?9 d7 X5 I F1 N) O
pokeID,) C: e8 R& q& n8 B
IID_NULL, K# V$ \1 U# }0 J
LOCALE_SYSTEM_DEFAULT, D7 q2 w) y5 j' I( Y9 y1 l
DISPATCH_METHOD,& I7 u8 F7 M, Q5 `* ?0 z I; t
&dp,
4 _' R& ?: F: L, x7 d0 K0 o NULL,
+ V. a5 b; a3 W' m( r &ei,9 Q$ i9 d h' l2 d! V/ R: m. @2 \
&uiErr);
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SysFreeString(topicStr);8 p( Y S$ } w; O9 y0 F
SysFreeString(itemStr);
2 N6 Y) b* `+ J$ s% d7 ?/ W% B 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???, O% u0 n! _4 B3 Y7 ]! x/ q- 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????- p% X0 P( u6 ]* l6 @
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% ^( I+ b7 T+ m9 q% |. V; [2.这是request的程序0 z6 z, e9 ]& E) K- R5 ~/ _" h
// Request a value from Extend- o8 M, _8 o9 D7 M% d' z8 w8 m
//# L, a A4 L6 H" a
// Initialize the variant that will hold the BSTR. Set the variant's
! z% |) F' T% U* | v. ? Z2 r// type flag to indicate the fact that this variant holds a BSTR. Place the
; L& `; j, h) v, f2 k" f7 |// BSTR into the variant structure.. r* ?0 K$ N7 M/ h. p& o& B* c
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 M6 X7 T0 \! u) O* I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" w) }7 P5 N* W, D9 m
VariantInit(&requestVariant[0]);
/ J" Q" f0 j4 ]' M( H requestVariant[0].vt = VT_BSTR;& ]! U$ U, T- J' w4 _; W& A
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' |# I, u0 J' q/ w% E1 a7 B7 S VariantInit(&requestVariant[1]);
+ M0 Z( Z1 }0 a0 l) H4 L requestVariant[1].vt = VT_BSTR;/ d% b: n& {6 E
requestVariant[1].bstrVal = topicStr;: G# q% Z/ H: ]& ^& B \
- g! Q5 B, C3 J# ~4 V& b& W/ H// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
1 m; h5 j/ b5 j. |3 `! b- o6 l dp2.cArgs = 2;
! ?: [- L) e- b, \) ^6 H5 q3 E dp2.rgdispidNamedArgs = NULL;0 t$ t) i1 p( y0 C, r# k
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;" q5 |3 p" G# {5 ^# {4 _# t
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// Call IDispatch::Invoke()
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3 p ]3 q4 o) z* D hr = m_pDisp->Invoke(
1 h+ I8 g7 U3 a$ D1 c' U requestID,9 x/ [8 B0 d7 z0 W( f+ y) ]4 ?
IID_NULL,
0 B0 y0 Q2 a7 W6 W LOCALE_SYSTEM_DEFAULT,
, D' z+ F# c$ C DISPATCH_METHOD,* g1 O: t' C' D" V0 _1 x; V
&dp2,
/ j+ r) M( l# d# S2 r$ |9 o" d &var,
" k( {. q2 ?- S/ r &ei,
+ V. [1 k! z" Z+ Y b &uiErr);1 X5 a* T: I# v0 `: D) u
. X! \ [- T! \ SysFreeString(topicStr);( D' r0 D6 {6 A, Y$ u
SysFreeString(itemStr);6 y9 E/ q4 X4 I9 K# R: R: c! Q( d
请问该程序是获得extend里面的哪个值?3 b, U! S1 U+ j
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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