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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:
8 f, y- D8 M3 e/ d6 HName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
, @' H% e `" L2 h/ { ] IID_NULL, // reserved
( F* I8 b6 r5 S1 p L6 X2 r/ s &Name, // Array of names to get IDs for( ]+ {8 b) `3 B8 [
1, // # of names in the array u5 y- [( @5 {2 K& d
LOCALE_SYSTEM_DEFAULT, // System locale
( [. d: X/ ]5 F &pokeID); // Array of IDs to fill on output
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if (hr)9 S2 _, o w. t4 U
{
- ]3 P$ G+ `+ w& I6 O: n2 B& A MessageBox ("Get Poke Unsuccessful");
; W' U% }+ l7 ]+ E c9 Y. n" O6 u& l return;
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/**************************传递数据给extend**************************************/% k( {; B6 s/ _4 b* z
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- Y1 }3 x9 _. S8 T, P8 m$ L
3 G9 u; \8 f( m( m6 n valueStr = SysAllocString((WCHAR *) L"1232");; D, N0 S2 V* l. i/ v% f+ h
VariantInit(&pokeVariant[0]);
% a9 S- u/ k# i. r pokeVariant[0].vt = VT_BSTR;
3 I! [: B, w+ I pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 k( Z& I" E1 m c$ A VariantInit(&pokeVariant[1]); - b+ R4 H4 E+ `$ E5 y
pokeVariant[1].vt = VT_BSTR;5 j; l) a" `2 }$ E
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
# k8 h6 K3 }+ s H VariantInit(&pokeVariant[2]);
& a( g6 `! B2 F+ x1 Q8 P pokeVariant[2].vt = VT_BSTR;+ L. y! O9 j$ K6 L. c! T1 v: ^# d/ O
pokeVariant[2].bstrVal = topicStr;$ s4 s" e- f$ W6 j/ x6 D
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// Set the DISPPARAMS structure that holds the variant. L& L1 }# M" U- o0 e' t
C; c. }2 s8 f5 J1 V, d/ E) { dp.rgvarg = pokeVariant;
+ X7 P' T D* _9 K% u9 Q6 D dp.cArgs = 3;
/ \& g7 I$ X, o* F; B( A dp.rgdispidNamedArgs = NULL;
" |0 A% I; ` b dp.cNamedArgs = 0;
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3 [, o0 H; J s" {- r- l" \% J6 _// Call IDispatch::Invoke()
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$ l; y8 G* u1 Z+ B' `+ |1 F hr = m_pDisp->Invoke(
V- z/ e+ R5 n- o7 U pokeID,7 ~; S& w( Y! W7 T& {- {
IID_NULL, J# f4 D' R, ~# L# G3 U+ |8 q
LOCALE_SYSTEM_DEFAULT,& R$ z: p, h) ^- ^% d4 F
DISPATCH_METHOD,
* h8 @! I7 a7 `; ?9 @ &dp,
# V1 H7 Y% u. U6 x NULL,# a( \; w; S: Y1 s' P3 H3 g
&ei,
5 k" q! I& l4 U8 g# |0 R &uiErr);
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7 I) ]8 W' ^5 o( A; M$ Z( i7 ^( S SysFreeString(topicStr);
1 x6 I y6 T3 I8 }, v% v' B SysFreeString(itemStr);
: M- U. h m4 R" i SysFreeString(valueStr);
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% _# J9 F3 n" A& j' I( R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???
! Q; L7 J' X7 \1 m: 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????
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2.这是request的程序: X9 \' Z2 u% a$ ?, f6 q
// Request a value from Extend. e B% j# }, d* Q1 {$ P0 f
//
( e; ?9 ~4 ~7 E4 F8 t% Q- d// Initialize the variant that will hold the BSTR. Set the variant's
, h; s/ V8 m4 ]// type flag to indicate the fact that this variant holds a BSTR. Place the% w& Z- D5 X' M/ k
// BSTR into the variant structure.
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$ u, D; D. s8 A0 V. @* l' e requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. h2 u7 [* T" w7 y* r2 Z
4 M7 l$ }0 {7 Y9 j- K# E& T$ O; G$ U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. K9 C% R; u1 X. x3 L5 n5 G. C
VariantInit(&requestVariant[0]); & _0 b, y. S! S9 u
requestVariant[0].vt = VT_BSTR;* n! i% F9 S- J* U2 _: b
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");7 d$ v. k& l% u2 K# O7 p! g
VariantInit(&requestVariant[1]);
& l1 o! ?+ N0 [' P9 i requestVariant[1].vt = VT_BSTR;
% G2 f- m$ F- ?0 Y requestVariant[1].bstrVal = topicStr;0 N' I4 S) {' }
9 ~. L. C2 h N6 Q$ m// Set the DISPPARAMS structure that holds the variant.! p% f3 _7 G2 \2 t+ ^& {. t
/ Z, {* [4 k6 F2 E4 R dp2.rgvarg = requestVariant;
6 k: W$ {, O% w+ | dp2.cArgs = 2;* r4 v; a& I7 p* x5 h" e$ y5 U
dp2.rgdispidNamedArgs = NULL;
" J4 E( r0 u: h dp2.cNamedArgs = 0;
O$ G, a( p) ?) }0 J R p5 {6 v. ]+ A
var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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: |! _! Q& H5 V- x/ i% L, X hr = m_pDisp->Invoke(
5 V' W E( G/ t8 @# o1 U2 c requestID,# `. m8 M1 W5 L7 ]* A8 H
IID_NULL,
. l, i S l4 y7 a LOCALE_SYSTEM_DEFAULT,/ W8 F6 j; u1 o1 j3 M
DISPATCH_METHOD," }/ B# `" Q, ^3 S H7 y G y
&dp2,& E: p+ x9 ]6 N
&var,; c, b$ T. P9 u, n7 {% R
&ei,
% j+ V+ `, l1 ?# `6 r9 {' v &uiErr);. g9 z, F7 J7 b* e
" P! m8 j6 ?7 R& {# o SysFreeString(topicStr);
; ?4 N" ]- a$ @/ S( _7 s; I SysFreeString(itemStr);& i$ I; z: F+ v8 b2 B4 e. Q
请问该程序是获得extend里面的哪个值?
4 P3 N2 |; @4 e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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