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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:# M. h9 c. a; F- N2 F! \8 v
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
" t! t I* P3 M+ z! M. @; L IID_NULL, // reserved9 G( j- }5 \! R% V' ^) O7 T9 n
&Name, // Array of names to get IDs for
+ N. p) k' g* t" p/ { 1, // # of names in the array
. Z# F1 n' }+ |7 W0 F LOCALE_SYSTEM_DEFAULT, // System locale
# ~) u0 U# [9 [" U &pokeID); // Array of IDs to fill on output
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if (hr), r, {7 @6 {' j& X N
{( X9 T; O$ Q" t
MessageBox ("Get Poke Unsuccessful");
6 ]0 d" L0 s. ]+ a( B8 |0 b9 H return;
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/**************************传递数据给extend**************************************/
$ X8 k0 t; w0 J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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3 u$ B8 a0 F5 {. X* d valueStr = SysAllocString((WCHAR *) L"1232");/ ?/ ]8 d( g* h/ n
VariantInit(&pokeVariant[0]);
' p( v0 I5 m0 Z* _. W. M0 ]) K pokeVariant[0].vt = VT_BSTR;7 J. ^& l4 I0 H; M1 l- T0 g
pokeVariant[0].bstrVal = valueStr;, L" M( U9 g$ L& s9 m. y
1 M# h( V/ E7 }& |8 v1 x& g7 _' d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 s3 b6 a5 k& @) X9 H$ D; \
VariantInit(&pokeVariant[1]);
( T5 H3 t; Y2 R. F1 Q( |+ u pokeVariant[1].vt = VT_BSTR;
: Q3 P! c( \4 `: S pokeVariant[1].bstrVal = itemStr;
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0 B! `) p+ H0 Q topicStr = SysAllocString((WCHAR *) L"system");
2 }; h2 Y7 P5 T. K; @ VariantInit(&pokeVariant[2]); : y- `6 s* F4 g, @; `) X( g* k; j
pokeVariant[2].vt = VT_BSTR;
6 p' ]5 M8 B' W9 [! A' @6 o9 @ pokeVariant[2].bstrVal = topicStr;
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4 w" T' N8 I7 w F// Set the DISPPARAMS structure that holds the variant.. S. q9 o0 C6 t6 i" h, K4 h9 ]
1 l+ a( o7 ~- \+ K4 ]3 R9 `/ [ dp.rgvarg = pokeVariant;0 D0 d( z* i9 E6 k8 q! w6 A/ D. x7 C
dp.cArgs = 3;
% A/ a$ A- E5 U* E8 d$ r dp.rgdispidNamedArgs = NULL;
$ H! Z7 C0 d e- P dp.cNamedArgs = 0;8 R4 f! Y6 [3 k& O# ^; n6 m! j
3 t/ b5 z) I) x
// Call IDispatch::Invoke()$ M, y# \4 y& t8 X# x' J4 J
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hr = m_pDisp->Invoke(. l1 v0 K" Q3 x
pokeID,4 P0 w# b) x- `! s6 V! F! V, F2 i
IID_NULL,
! [. U# j! ?& y! I+ i/ D0 U7 ` LOCALE_SYSTEM_DEFAULT,
, ?! Q; {0 {3 S; z DISPATCH_METHOD,+ |! F f/ r3 _
&dp,1 X7 _+ L: L6 q! Z' j. t
NULL,
% q: J" y2 F0 R1 q/ L4 G &ei,
: ]: s6 e3 F9 t/ B, B& [* H &uiErr);
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SysFreeString(topicStr); V# d0 \, t1 b& B/ x0 l9 u
SysFreeString(itemStr);
7 a6 v6 @; S& S" ~6 ] 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???9 o" m4 z# z5 A& d0 l
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????
' C. r( v8 e ?% g& v9 S6 U2 N. ?3 c+ C! B7 w* \$ S
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2.这是request的程序4 U0 J* B. I) Y0 k& H$ ^: E
// Request a value from Extend+ J E( F: l. s6 L& p* t. ]* ]* A
//
* R$ x& D7 c4 M1 `# d! W/ s# w// Initialize the variant that will hold the BSTR. Set the variant's
+ N; m/ z# S. v% D Q& u// type flag to indicate the fact that this variant holds a BSTR. Place the
9 L, U& B2 H% N2 Q$ K# y' D1 b8 j) z6 j// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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1 [. h3 {1 @$ b$ w% e. m6 t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 f0 ]5 y& P" k: |1 E
VariantInit(&requestVariant[0]); 6 m( |# J D2 ~5 g( q0 Y( N7 e. m0 F
requestVariant[0].vt = VT_BSTR;
* U6 E' l7 f3 Z6 Z( [ requestVariant[0].bstrVal = itemStr;
* C) M9 ` f+ {
/ u1 i$ h% k2 A2 }: G s) G0 z topicStr = SysAllocString((WCHAR *) L"system");
: u9 E/ u( i9 F VariantInit(&requestVariant[1]); S% B% b1 `; c8 O
requestVariant[1].vt = VT_BSTR;
* Q5 }! v0 W3 ?! F1 ~ M2 m requestVariant[1].bstrVal = topicStr;! g( g* m0 G% q2 @
$ g% O5 @+ k4 b0 _// Set the DISPPARAMS structure that holds the variant.
1 ?' m! ] h) I# D) T! k, i
" O7 C5 S' J& | dp2.rgvarg = requestVariant;
) f: P g& B4 N' q6 L2 r dp2.cArgs = 2;8 Y& g# D5 R7 z( C/ a; u9 h0 V
dp2.rgdispidNamedArgs = NULL;
8 M0 N0 [& _4 R M- V+ |: v dp2.cNamedArgs = 0;; n% x4 Z; L) a7 t5 Z+ C H+ d
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var.vt = VT_EMPTY;" h d8 y G9 Q! E2 Z e
, t* h6 k/ p& h& W, _3 A- `7 ?// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
$ S( E6 ]! V) y8 I requestID,+ E3 E. N1 p6 @
IID_NULL,
2 ]% q |1 x3 x- L6 H( l LOCALE_SYSTEM_DEFAULT,; h' V7 h" ^# D8 X, c4 M
DISPATCH_METHOD,9 X+ @$ ?6 u7 m
&dp2,
% n# {, ^/ p: G0 H& ^9 C &var,: X- Z' `6 k4 P0 ~7 ^
&ei,9 ^( f9 b* S5 G5 ?; B1 O: X
&uiErr);7 C& _ \2 t& i( O8 @; Y2 @
* u& g" i" g3 V9 B# i7 |) j SysFreeString(topicStr);" b0 L5 F- L8 D- s$ B( H
SysFreeString(itemStr);
- W/ A. y ~! {请问该程序是获得extend里面的哪个值?
* X* U7 H! Y- |, I$ N9 t, R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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