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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:* K4 O! O3 ~) i& Q* Y
Name = (WCHAR *) L"Poke";( t5 s1 [: b3 i' y5 \3 H
1 Q1 ?6 M9 U, T8 E. \2 s1 F% \ hr = m_pDisp->GetIDsOfNames (
6 p: M8 Z! A7 n* t7 M IID_NULL, // reserved
* i) B6 Z1 B* H+ x& h &Name, // Array of names to get IDs for
4 q! Z1 T n! G, @: P 1, // # of names in the array5 A9 b7 ~- g8 _$ Z$ y
LOCALE_SYSTEM_DEFAULT, // System locale
' b, r3 d1 v. S &pokeID); // Array of IDs to fill on output
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if (hr)) P3 @2 }* N. v1 p. D
{, r6 f5 Z+ _1 Q8 \4 b4 c C- c) Q
MessageBox ("Get Poke Unsuccessful"); z3 e, V; L6 ]- t E
return;3 \4 E0 E. ]) S; z9 ~
}
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W7 v8 s% p0 @& q! P3 K% K3 C/**************************传递数据给extend**************************************/. h( c' z' V3 s ?4 K9 F# j% m) ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 p4 H; P0 A5 |( Q7 f, {$ c
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valueStr = SysAllocString((WCHAR *) L"1232");
! |/ T3 L1 o. N3 I( h/ J9 J: c VariantInit(&pokeVariant[0]);
% t* L7 m" v; i& P# S" O/ ? S pokeVariant[0].vt = VT_BSTR;
K+ L" E. O9 _' b; m* X pokeVariant[0].bstrVal = valueStr;
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. l* c8 V. e2 Q, ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) A4 X( q3 \- \6 F4 w- A' P# F# P
VariantInit(&pokeVariant[1]);
% i' E3 }5 s8 ?4 q& P: J5 R; P# x4 W2 A pokeVariant[1].vt = VT_BSTR;
! V0 |5 I* x9 f3 c pokeVariant[1].bstrVal = itemStr;$ y8 P: w5 K" ^; E( V
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topicStr = SysAllocString((WCHAR *) L"system");
: }) s- r! B0 `+ b VariantInit(&pokeVariant[2]); ) X. j0 m: d3 D6 p
pokeVariant[2].vt = VT_BSTR;# @2 \' `! o I! n! Q
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;1 z4 b- g' [* q7 C/ z
dp.cArgs = 3;4 D* c' v% Q( ?2 `; u
dp.rgdispidNamedArgs = NULL;
, r8 m8 {+ E' {6 m3 ?, M! `( U dp.cNamedArgs = 0;
% `+ V: q- D6 n/ \ p0 L) Q K+ H- N% y* T/ c
// Call IDispatch::Invoke(): S! c8 p4 A6 I5 c3 u
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hr = m_pDisp->Invoke(
1 T2 t3 {5 T8 ]4 s4 C& T pokeID,
/ M8 T" Y0 a! D$ g' d ? IID_NULL,% j* E7 F/ A9 A7 D# s5 ~
LOCALE_SYSTEM_DEFAULT,0 Y. i' P. a g
DISPATCH_METHOD,0 A w; S" r; p, L0 N
&dp,) B4 B/ Y% Y2 y: i+ i& k5 e
NULL,
+ w7 @* ^# B/ N% ?. D0 ^0 F &ei,
8 v- z& p% X/ }2 x! f3 b &uiErr);% \) n1 S2 \0 b* r
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SysFreeString(topicStr);
. B8 |1 x+ M9 a( D+ m. T% n SysFreeString(itemStr);: a1 N3 L$ A! R8 b* m1 m' l7 \
SysFreeString(valueStr);4 t# b! w2 x2 @7 b& ^
/ {" {. _( O+ x0 a5 x& Z5 D
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???$ S+ a2 @, |" k4 \
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# |/ r- ~% j! W, y u. K
// Request a value from Extend# D! u) w$ o0 ]- _& Q% X. K
//( |) A% r# g( B+ B9 W8 g9 [
// Initialize the variant that will hold the BSTR. Set the variant's0 ]9 W1 E/ K( z/ w3 v% l, |7 [
// type flag to indicate the fact that this variant holds a BSTR. Place the
4 D* c8 e) t7 @6 q% _6 w" v1 j2 }// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. o2 y' B& l- J8 P
VariantInit(&requestVariant[0]); * o6 r; |. Z, a
requestVariant[0].vt = VT_BSTR;
% l" I* x5 g2 `9 N: O2 y5 l requestVariant[0].bstrVal = itemStr;$ L5 U1 t% D7 y% G6 y
5 H& b& V a7 c% z topicStr = SysAllocString((WCHAR *) L"system");
/ @' b) Z7 G* X( J2 r VariantInit(&requestVariant[1]); ; ]& B; V E" S
requestVariant[1].vt = VT_BSTR;
7 |5 p) g( ?' w$ [ requestVariant[1].bstrVal = topicStr;
7 @7 [# z- x* A5 I* U7 k
8 X5 D$ a& F- P// Set the DISPPARAMS structure that holds the variant.6 B. x7 Q: W) O% q+ A, Z
' [0 @( d6 r& } r& _9 ?+ |
dp2.rgvarg = requestVariant;3 u$ L5 ^4 L) b$ `' B2 ?
dp2.cArgs = 2;( ~8 h5 Y( T9 } z# @) [
dp2.rgdispidNamedArgs = NULL;5 M: |; Q+ p1 K& L, f$ M6 K2 E
dp2.cNamedArgs = 0;6 J2 N) D" ^+ G4 l0 J3 z
/ M( e3 C6 k' E var.vt = VT_EMPTY;6 |' a& E Q$ G& |, U, f% s
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// Call IDispatch::Invoke()( \( G ^; `/ A0 ~- G8 N
! v5 z" K8 e6 a. K3 q: Y( j hr = m_pDisp->Invoke(
- \8 E# C: i. `& r requestID,
, N; p! D3 @3 @6 M3 A) u IID_NULL,
4 K0 G: A2 _/ ]& f' b LOCALE_SYSTEM_DEFAULT,
$ t. F0 @2 E4 [( [3 V# O0 i# T DISPATCH_METHOD,
( T8 F3 q6 A+ Z6 K% s( P9 ] &dp2,
" S0 }0 B* B. I0 h( w0 Z &var,+ J/ t) {% J1 z
&ei,1 u1 k% i, J- H9 j6 q4 c
&uiErr);3 F8 @7 V$ j1 C3 o2 p4 ~6 i1 V2 ?! R+ ?
& R' f- V. z, J9 ?! F SysFreeString(topicStr);
' ^. y2 C5 a4 K9 E0 F" c SysFreeString(itemStr);# O& c' _ C1 O5 O/ W, [+ i8 v
请问该程序是获得extend里面的哪个值?
5 i4 e! e) Q# T. y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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