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:7 a, g* L( F) g' t* f; t' Y. V
Name = (WCHAR *) L"Poke";
/ I$ J; Q( L3 [6 @ ~# h \
; n6 _2 x/ k" O: @ hr = m_pDisp->GetIDsOfNames (& M. d7 s( d4 w+ N1 g! k6 F7 n
IID_NULL, // reserved
0 v; m0 Q: ]2 Y &Name, // Array of names to get IDs for; b1 F! H) d5 n9 Y* A+ z* I
1, // # of names in the array2 S b/ L$ J& R& `+ L# F) s: H- X
LOCALE_SYSTEM_DEFAULT, // System locale* k0 [: q6 w2 H. H( M
&pokeID); // Array of IDs to fill on output
y5 K0 d! x) s& H' d, G- h
3 |" [7 h) N# x4 @& ?. B if (hr)
5 \# z M/ {5 Z8 a: S- z* N {
) P" h/ n: x0 x' }1 L; y MessageBox ("Get Poke Unsuccessful");5 L+ b# i7 x$ Z
return;/ A% b8 c0 Q, S( E( E
}
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/**************************传递数据给extend**************************************/4 v8 G% a( H$ D- W W8 C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 ^& G& D9 Z; l4 z
3 o2 Q: }# o) i* `! \ valueStr = SysAllocString((WCHAR *) L"1232");1 {0 V! ]$ i# i" i8 E: F2 f
VariantInit(&pokeVariant[0]);
+ ]# `, i! W! Y% O! M, w0 m pokeVariant[0].vt = VT_BSTR;8 q. D; M0 m+ T. p. U' _, B
pokeVariant[0].bstrVal = valueStr;/ o) C( `0 j! ^
& s) [" p' z* D& J( m$ ~
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; T5 [4 I' W2 \3 w2 X5 i VariantInit(&pokeVariant[1]); ) g3 P2 U, Z4 \% r- [
pokeVariant[1].vt = VT_BSTR;
4 ~6 W% X) w0 P1 P0 B2 h. Q) I pokeVariant[1].bstrVal = itemStr;" F3 L" ~! u" ^# X; B
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topicStr = SysAllocString((WCHAR *) L"system");
3 B' ?. u+ z% Y+ e VariantInit(&pokeVariant[2]);
* D$ Z8 J4 a; T pokeVariant[2].vt = VT_BSTR;
2 i4 o9 f0 l7 F- E" K5 F7 @ pokeVariant[2].bstrVal = topicStr;. O4 I# I7 m( d; D1 y
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// Set the DISPPARAMS structure that holds the variant./ {3 Q# u2 w# K
5 b8 j+ J( N2 {8 J1 O0 u dp.rgvarg = pokeVariant;9 s! |, N6 \2 p3 H/ Q
dp.cArgs = 3;
4 d! ]7 }* _8 `% @# `- z dp.rgdispidNamedArgs = NULL;
' L8 b+ J' D9 |; S: C% _# E; B dp.cNamedArgs = 0;
: [' w+ a, Z* l7 }' J
; X4 x# Q* ~% _ // Call IDispatch::Invoke()1 X- C! O, Q) Q' i6 D8 B
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hr = m_pDisp->Invoke(( w3 ^4 X9 b+ ], g5 F9 e5 L M" q
pokeID,
\/ a9 G( ^0 E1 Y. R IID_NULL,
( ?% w( `7 `, |7 q( v! p& G LOCALE_SYSTEM_DEFAULT,) J3 L6 _; A0 |% p6 Z
DISPATCH_METHOD,
; W; b+ R$ A" g &dp,
4 x. H7 G) A5 s! | NULL,/ `( \. B" I/ k
&ei,
q/ P8 W4 E! J ? &uiErr);
8 w& G+ X$ `% v6 B# Z
! u4 o* o! k7 d, s; n SysFreeString(topicStr);/ }3 [3 A& Z' ~. @* [8 O
SysFreeString(itemStr);
* i- e5 G' R `) j& E* a SysFreeString(valueStr);7 C( M; x9 U) w) X
' K k9 D" F8 q" o, ]& s! s 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???
- A+ O5 ~: `( k0 e+ }# v2 A 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????+ f( Q* A5 }& R# x8 ^+ _
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& a- H, w* T3 `7 E: I$ _- L 2.这是request的程序
: ?! x3 n% t% ~: x1 } // Request a value from Extend
. H9 X. F, W" z+ g o2 }1 ^ //$ l H+ Z' o1 W0 D8 ?: h
// Initialize the variant that will hold the BSTR. Set the variant's6 Z' x7 E* U$ g
// type flag to indicate the fact that this variant holds a BSTR. Place the
) X5 {* ^: g0 q1 j& h // BSTR into the variant structure.& l6 e g" H9 v+ d; o) I% M& r* T
! a' M' @+ v+ u6 ~# ~. ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ m) O4 P8 C, h: h$ s% q
8 w3 t# j& b! p. ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
A ~+ [) H s/ W% L: {- u VariantInit(&requestVariant[0]);
7 K$ S0 i, s$ R requestVariant[0].vt = VT_BSTR;3 E- V. [/ t+ E C) S# Q
requestVariant[0].bstrVal = itemStr;
- \# t! ?1 N4 a4 V! W
1 Q7 j% y. V9 o! C) T( D topicStr = SysAllocString((WCHAR *) L"system");- P% f# j3 a; k0 W0 E( N0 h
VariantInit(&requestVariant[1]);
" H/ N* d$ k! Q$ p) b) Q requestVariant[1].vt = VT_BSTR;
. o. B' x" `9 ]6 N$ r5 r requestVariant[1].bstrVal = topicStr;
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3 f$ d6 t( E0 U ]- J // Set the DISPPARAMS structure that holds the variant.3 A; K* f- ^, ]9 S. b# c
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dp2.rgvarg = requestVariant;2 D- Z4 Q; c7 e" u" c
dp2.cArgs = 2;
% Y8 e3 J2 V" X ]5 c% _- V b dp2.rgdispidNamedArgs = NULL;
. i- e+ U) g) q+ x8 f) `* |0 Y( F; i dp2.cNamedArgs = 0;
% S2 X: I4 |$ _% V
8 V: r/ J2 j1 t$ G1 z- K( v' C var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke($ ~* r4 B1 b' u7 r" H
requestID,
# B' W( v4 ~: u& G+ f IID_NULL,
4 ~# W: g3 S" w. L2 U9 U1 ^ LOCALE_SYSTEM_DEFAULT,
4 o/ S0 H6 M+ f: _4 ]3 i! p4 _ DISPATCH_METHOD,
4 N7 Y7 Q- o* f1 C. Z &dp2,) |, S+ s7 ~% g4 ~/ q
&var,; @/ o: ]* B0 z$ M! z! D" _: `, v" |
&ei,$ a) m- x( u" r) z1 o, S
&uiErr);
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+ d2 X& t3 ^; J! R4 R! I7 K SysFreeString(topicStr);9 q" C3 b2 D2 t4 Y0 b
SysFreeString(itemStr);% }" l6 H/ e* _7 E1 s( u# f9 t& K
请问该程序是获得extend里面的哪个值?
% ]8 C" Q+ Y) l; X+ r5 O. 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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