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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:
- a, J+ b# }8 o; N# RName = (WCHAR *) L"Poke";( b' L5 y! R+ h* _* L
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hr = m_pDisp->GetIDsOfNames (
5 o" o7 w- E+ V9 F+ B7 O8 V1 R" P IID_NULL, // reserved
# A- m6 E: w* q &Name, // Array of names to get IDs for
7 }. m" @/ I6 n6 L: p' s x 1, // # of names in the array; ^, ^/ Y: g2 G- Y
LOCALE_SYSTEM_DEFAULT, // System locale5 ]' J' k, H! Z$ [( R
&pokeID); // Array of IDs to fill on output
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if (hr)# E2 g2 L! y& m' h
{% j6 ^4 W6 L6 Q) H1 F' j9 |' ^
MessageBox ("Get Poke Unsuccessful");% q' v% f* H5 I0 C h
return;
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9 O/ g+ V6 t1 v* g6 Y/**************************传递数据给extend**************************************/- v; z( Q8 u* J, A$ X% v
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
. q" q# m5 x! C VariantInit(&pokeVariant[0]); . R5 g k/ t2 h
pokeVariant[0].vt = VT_BSTR;& q1 O% H. O& ]$ ~% s
pokeVariant[0].bstrVal = valueStr;7 f% ^1 r# T6 }6 c# s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ F+ a! ]1 l. c8 r
VariantInit(&pokeVariant[1]);
2 @! w, E1 T' ^8 p pokeVariant[1].vt = VT_BSTR;* j Y3 i2 ~+ D, A- L V- p& P9 m
pokeVariant[1].bstrVal = itemStr;" F# z1 | w. f2 O3 Z2 g# o
3 L9 E% b) ]5 Y B: q topicStr = SysAllocString((WCHAR *) L"system");
" J' `3 q, O5 c2 P. D o+ O/ s VariantInit(&pokeVariant[2]); / W8 s( }/ L, ^3 C& L
pokeVariant[2].vt = VT_BSTR;
$ V$ ^' @! z/ O+ _7 P pokeVariant[2].bstrVal = topicStr;) l* B/ B+ B% j* H- o! W9 E" w4 y
! ~7 B2 a' L2 l) x9 ?, x// Set the DISPPARAMS structure that holds the variant." D O) ] j# S* ?: o
/ B+ T# b" k1 Q: ~5 U) o dp.rgvarg = pokeVariant;) } r7 g5 q" m/ y
dp.cArgs = 3;
& U: o) o8 y3 E* P% c* r dp.rgdispidNamedArgs = NULL;
$ @& f5 t h8 U; U# r. g: h dp.cNamedArgs = 0;+ v7 g i1 `' i) S+ \! c
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( `7 \. [2 R9 \0 B pokeID,) c* P" z( e0 V* w
IID_NULL,# p, \/ R( t, I8 B' i; ^
LOCALE_SYSTEM_DEFAULT,4 w* z0 g+ l9 e+ Z
DISPATCH_METHOD,
K3 X* ?% @+ S7 V2 M. i2 E &dp,
4 h7 U1 ?% G, R a2 z" h# q) P# s NULL,
4 O% c' F: u% d6 o7 h* q; j9 V &ei,
! m8 f$ c% n- W &uiErr);
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SysFreeString(topicStr);5 _9 ]2 [$ p% j3 J9 ?. A
SysFreeString(itemStr);' Z' \* h+ M0 N) v
SysFreeString(valueStr);# f3 A+ L3 m0 g" |
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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???
* E: L& y0 N7 V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????$ e! a8 ~3 R& I6 F2 ]
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2.这是request的程序
7 Z1 P* S- k6 d- I, e// Request a value from Extend
3 F) p0 S5 q: O. D+ d5 u! J$ e//
) }) R6 V6 _3 b2 j: ]// Initialize the variant that will hold the BSTR. Set the variant's
+ U- _, q0 W6 w, G! ~/ n) U// type flag to indicate the fact that this variant holds a BSTR. Place the# c: ]$ n' K( e* n1 a; H' `
// BSTR into the variant structure.
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8 h' D$ Z" I5 }3 {3 n1 s% W: w- p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! Q, t2 u, {6 e
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 U; n2 X$ F5 C) D Q6 i4 J VariantInit(&requestVariant[0]); # Y3 \3 n. F/ Z( M1 i
requestVariant[0].vt = VT_BSTR;
# s. a3 \/ _8 e- m" C {: Q' P requestVariant[0].bstrVal = itemStr; x1 t, t* K. u
% y6 {* {9 N' y0 _ i topicStr = SysAllocString((WCHAR *) L"system");* O! {; y8 J* O2 r' |0 @$ k b1 b
VariantInit(&requestVariant[1]);
% h5 L" t( v5 c- X requestVariant[1].vt = VT_BSTR;
5 V* I" s. u1 `1 } requestVariant[1].bstrVal = topicStr;
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1 B) i. `, i9 `& ^- v' j- l% z# Q// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
5 B6 E+ T" T! n0 |- b" {9 X dp2.cArgs = 2;
v, e& z2 s. p0 K( z dp2.rgdispidNamedArgs = NULL;* j' K5 T* o# a& ?
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;* k: I! U9 n' f6 j% D" b( d% {9 {" z
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// Call IDispatch::Invoke()6 n1 X/ w. d' Q
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hr = m_pDisp->Invoke(
; f% d1 }% H" v5 H' s requestID,& L8 M- L0 J3 _; O! h3 z
IID_NULL,
. {5 e% d; p# f4 k; o' | LOCALE_SYSTEM_DEFAULT,4 ?* j& z9 s) k$ }$ ^
DISPATCH_METHOD,
+ r& |" u9 M; S &dp2,
, C9 R! w1 b% l: {' L+ B( m &var,( l5 M. l1 k' R3 Y
&ei,5 U3 i/ \* C" {3 ]" F7 V
&uiErr);
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- g0 b1 {8 Y7 W, c$ Y0 @ SysFreeString(topicStr);6 T3 t( m v, {8 Y
SysFreeString(itemStr);* J3 R9 D9 ?4 _4 ^+ D6 F
请问该程序是获得extend里面的哪个值?! o& n) |- A6 `& Q' i. h4 y2 |4 g1 ~
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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