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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:
% X) O9 ]4 w) x: e0 KName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (1 }* r9 b, |0 j* _" M
IID_NULL, // reserved# q( ~. \' \1 z, \0 g0 L, M
&Name, // Array of names to get IDs for! @. ~' k: B* w. t) g1 [
1, // # of names in the array7 y, W& p' S- E ]" G: X
LOCALE_SYSTEM_DEFAULT, // System locale
6 E5 p) w: K$ v: @4 K% x &pokeID); // Array of IDs to fill on output/ F9 {9 j, k0 y3 I5 R# h# t' m
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if (hr): _ E# L) z; r8 Z. A4 o$ v) j
{
) ~* A/ q8 r; `! k9 o1 C1 V MessageBox ("Get Poke Unsuccessful");
2 x+ |- w6 G( I" @# N3 ]& s0 N return;
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% v- o' ` r! F w- D2 @/**************************传递数据给extend**************************************/, r8 Q6 ]8 Z: o6 J8 B n' L3 y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" M% A( S( o$ W( q; ]
t7 l5 f8 u+ B' W/ R' e6 S valueStr = SysAllocString((WCHAR *) L"1232");
8 j. e: h; Q, B' z) k, [# v VariantInit(&pokeVariant[0]);
/ ^( L$ y% c- t/ f: b pokeVariant[0].vt = VT_BSTR;
- v1 Z: T# `7 {7 n1 L: b3 h pokeVariant[0].bstrVal = valueStr;
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+ p' l0 i& ?" \: C2 w: } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( {) |+ F+ v" Q1 ] VariantInit(&pokeVariant[1]);
5 q6 p; j- q3 g9 O pokeVariant[1].vt = VT_BSTR;7 j6 ?* @. l, D0 P9 X9 C
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
; c" F7 O+ w- ]& Z3 i1 c$ t; h0 y+ m2 x- k VariantInit(&pokeVariant[2]); 5 T0 `5 M! d5 j4 n
pokeVariant[2].vt = VT_BSTR;
" {4 K( w6 X7 s) ~* w pokeVariant[2].bstrVal = topicStr;/ {/ }7 N2 y8 W+ X5 a& J
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// Set the DISPPARAMS structure that holds the variant.. x- |8 w5 Y8 w. x
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dp.rgvarg = pokeVariant;
1 L9 c# W2 X3 `; [ dp.cArgs = 3;. w- j0 Q5 k* j7 a( {2 L0 M
dp.rgdispidNamedArgs = NULL;
$ @& I4 V7 U K dp.cNamedArgs = 0;5 Z$ G: m, I* ~. G8 d% s
* t1 |" [$ }$ u5 l2 ^% K// Call IDispatch::Invoke()' u- c- ?$ @# F+ b3 I
( l2 k, K9 j3 h* f hr = m_pDisp->Invoke(
. { n5 W) T; v- Q pokeID,
6 i$ a6 Q% `3 R( Z3 z% O! Y IID_NULL,
" M# _- }3 u& g* N0 {$ \4 B LOCALE_SYSTEM_DEFAULT,5 e9 N! K6 h9 d- i
DISPATCH_METHOD,
4 p+ p! ~. t: H+ m &dp,
3 n' a: }/ U% l( v$ r; L5 D NULL,7 F" x2 J3 _' J
&ei,7 J0 L! Y3 G, A$ j! i, B
&uiErr);4 l6 n& g' \ f9 n) D* o
; Y8 t$ u& B: c SysFreeString(topicStr);
* B% C( X/ i1 N- u+ W$ [. r SysFreeString(itemStr);! U( k3 x ?' E! ^5 [6 n
SysFreeString(valueStr);# C( h3 G" |5 Y7 v" D1 h" ]
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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???
5 d$ e/ H9 e' p/ O' h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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7 U6 ?2 y' x! B' f2.这是request的程序% \& N3 X! a9 H4 j, K$ o, j
// Request a value from Extend
/ B& f+ F- Q. G//8 |1 o2 x3 s0 ?# W8 z2 {1 {( A
// Initialize the variant that will hold the BSTR. Set the variant's' H& D3 d1 y6 ?, v. E+ Y- n
// type flag to indicate the fact that this variant holds a BSTR. Place the$ I: l( t8 Q( `; h J+ P; F9 e
// BSTR into the variant structure.- _( E m* L8 t9 W' \7 Z# p" Z2 B- |( D0 P
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 C8 R4 k2 h5 a$ i4 [7 q. c VariantInit(&requestVariant[0]); # R6 H# L! c, ^$ s
requestVariant[0].vt = VT_BSTR;* S& F9 `) j, Q
requestVariant[0].bstrVal = itemStr;
! [7 W. k2 w+ j3 w9 }
, Z! D! ^) N9 r topicStr = SysAllocString((WCHAR *) L"system");5 O1 e( q0 s* w( ]4 A- G7 A0 O7 ]( M
VariantInit(&requestVariant[1]);
! H- T1 U8 Y+ E, c requestVariant[1].vt = VT_BSTR;
: D6 i5 W$ r7 ~1 V4 P, \ requestVariant[1].bstrVal = topicStr;5 x' _3 N0 ^2 f$ R" F: f, p; g0 l
) Q" m l* L& A2 a// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;5 Z0 [" C3 w, S: \5 X
dp2.cArgs = 2;
' K& m- S( w4 o4 X5 `! t dp2.rgdispidNamedArgs = NULL;
0 r9 s1 Z2 g$ X- ~' o$ e dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;) ]0 ~4 [3 N& `2 f# ]
$ Z G$ l% `1 M// Call IDispatch::Invoke(): A& r% Y D+ C( N% ~
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hr = m_pDisp->Invoke(
K9 k7 q+ ?1 S5 F5 L& z3 O* g requestID,: B4 X0 B) t4 \, T. D$ [ Y
IID_NULL,4 g6 C6 G$ u$ ]; u( v5 a
LOCALE_SYSTEM_DEFAULT,
, r( ?- l$ @. R$ x( N9 h DISPATCH_METHOD,
1 W9 P# j' C5 l. T1 g &dp2,
- h& |* I3 R) [# I3 s$ c- ~8 ^ &var,5 b( k/ u) x1 A( b# g
&ei,' D* t3 W2 W8 b1 b
&uiErr);; c# ^' D5 i- n$ |1 `8 C
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SysFreeString(topicStr);& P' z$ Z5 _& L% ^$ @1 R$ @
SysFreeString(itemStr);
+ B7 v X. ?+ R7 I& E! k* Y请问该程序是获得extend里面的哪个值?
. Z b+ h' L. 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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