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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:
4 S! q, Z+ ^) @. r- y5 V, B3 ~# kName = (WCHAR *) L"Poke";
) n: C* p. V+ e! I7 T 7 K: E! `4 j* r0 T4 p' v3 ^5 {
hr = m_pDisp->GetIDsOfNames () t8 ^+ ^+ N" p( O7 p6 R+ k, R
IID_NULL, // reserved
. r+ F7 F4 n$ [+ {+ Y3 w( @ &Name, // Array of names to get IDs for
& U# }! r/ n# `5 S: U2 ` 1, // # of names in the array% [" q$ J5 x) }' P& b
LOCALE_SYSTEM_DEFAULT, // System locale
) x/ v, z2 N5 H2 a+ a &pokeID); // Array of IDs to fill on output
f' o9 R; R' h+ o5 J
' [$ u6 q1 _( t: [7 o if (hr) L2 j2 ]8 Q& D- x+ a! P
{
& f) J& Q7 j' [0 }( H8 ? MessageBox ("Get Poke Unsuccessful");
( c: x8 h0 d) M7 ~) }8 g return;
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" B, f5 e: b& y# x8 C; w/**************************传递数据给extend**************************************/! f' \8 W" {: S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 G9 O4 M; w; N: n* O
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valueStr = SysAllocString((WCHAR *) L"1232");5 D" X0 o* u1 o3 D, b* o* O' w
VariantInit(&pokeVariant[0]); ; ?7 n6 X& r" a$ C2 {
pokeVariant[0].vt = VT_BSTR;! T. f6 q( Q9 W+ d& K
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* a' Q' O6 T: G1 z5 l- b VariantInit(&pokeVariant[1]);
/ \6 j# P1 M# S pokeVariant[1].vt = VT_BSTR;0 P+ R6 m O& }& j( Q
pokeVariant[1].bstrVal = itemStr;/ z4 u$ _& @. j' P
0 W9 T6 }$ H. O4 e6 k topicStr = SysAllocString((WCHAR *) L"system");$ j0 t) B# F+ U5 i( W* s+ C4 M
VariantInit(&pokeVariant[2]);
0 Q6 n1 i' ]) z pokeVariant[2].vt = VT_BSTR;
: M, e/ y+ g5 W# | pokeVariant[2].bstrVal = topicStr;: U U& |9 J6 q0 t# X) p9 s$ |
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;$ P5 o8 P9 i% j w$ H
dp.cArgs = 3;
2 @. J1 G+ R) g5 |: R dp.rgdispidNamedArgs = NULL;, T6 Z. e& f6 E
dp.cNamedArgs = 0;( L+ k, ?$ x/ |* y2 o8 C9 t; Z
& y6 |! y9 ~8 X// Call IDispatch::Invoke()
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5 F' o1 p$ b/ ^5 D m, f# N hr = m_pDisp->Invoke(+ W8 V2 L4 J, ]) f
pokeID,5 T+ j/ A+ |8 U& K" f8 C
IID_NULL,
6 p$ W$ K9 I; p3 d LOCALE_SYSTEM_DEFAULT,
& V, K0 B- [( M$ h, P DISPATCH_METHOD,
5 n9 n% P3 \% p, K &dp,
`8 ]" x7 s1 i4 P$ q5 w( h NULL,. |8 A8 z [) g, f5 x4 s( _
&ei,$ j4 |; X- k% X% j, X( V9 M1 d
&uiErr);
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& \/ h( t" I! a2 k6 ^ SysFreeString(topicStr);0 f) y6 w8 s) @# ] u; i
SysFreeString(itemStr); ?0 Q+ Z7 U5 B* z
SysFreeString(valueStr);; u" z2 ]% X, V% ~7 p9 K* \8 {
/ S7 l4 j/ `* J! E4 B0 v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???
: i9 T6 Q J T0 G" R: J4 s' f$ Z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????- p! x# @% S8 ]+ h
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2.这是request的程序( F! r3 V3 K4 |1 E9 w
// Request a value from Extend
3 i2 F6 l- B; P//
G* s0 q" T+ \5 X5 w// Initialize the variant that will hold the BSTR. Set the variant's
- ^, Q& J" @0 H# ?, \. ?, e// type flag to indicate the fact that this variant holds a BSTR. Place the# r! q# w o9 [0 l7 f$ F
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 f- v: y" j1 f- Z3 s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ z& _7 `7 M" l0 v$ T0 m VariantInit(&requestVariant[0]); 0 G( ^3 Y" L, j2 [
requestVariant[0].vt = VT_BSTR;; A0 t7 f) o% |2 `9 y! |
requestVariant[0].bstrVal = itemStr;0 [3 W; s9 t" Z# `
~7 b* q9 k7 |! B0 B6 K topicStr = SysAllocString((WCHAR *) L"system");& H& u- t8 C, J9 C0 m H
VariantInit(&requestVariant[1]);
; d' f; x& p) r requestVariant[1].vt = VT_BSTR;7 Q" D. m; \, c3 u; t7 ~
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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3 w2 r/ p- O' w; @1 X+ J, P dp2.rgvarg = requestVariant;+ c" p4 @0 h% Z$ P, j; u# y
dp2.cArgs = 2;
3 c* t# L: p7 K' R3 j. [ dp2.rgdispidNamedArgs = NULL;
& w. |6 F ~. }+ M! ?& v- y dp2.cNamedArgs = 0;" Z1 _; _7 _8 H6 D4 v5 z3 }
6 G; c6 V0 E1 u' V# t) j# [: ^ var.vt = VT_EMPTY;6 M/ \ h( g5 _! c
1 g+ E0 [( l, Q: w, ?; E' o2 n4 z// Call IDispatch::Invoke()
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$ _0 S% {. I6 D7 \ hr = m_pDisp->Invoke(8 R& N# Y9 j _$ Z4 I- ^- c; T9 |6 x
requestID,
8 _5 S5 }* n3 L2 `0 D IID_NULL,
6 ]" |3 H4 r/ }! H! R# [9 z LOCALE_SYSTEM_DEFAULT,
8 I$ t# l: O+ K1 ]" L DISPATCH_METHOD,! p% O% T' f, X# r( H
&dp2,- G' ^ I W0 w& Q
&var,
1 c. q6 S; g% R' D. f &ei,
/ Z; a& C; v7 p2 A' j5 m &uiErr);; \9 Q$ s" ]9 u/ i
$ n: {" U6 @0 s# v0 E
SysFreeString(topicStr);
6 o, G6 ~( ]/ t+ p9 y& | SysFreeString(itemStr);
/ l1 m/ L1 b$ P; u9 Z$ A; S0 p$ M请问该程序是获得extend里面的哪个值? }2 V3 |+ o5 }
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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