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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:% z) V9 ~. W0 l! d! |! c# ]* A0 y
Name = (WCHAR *) L"Poke";$ o7 Y0 ]- }# m
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hr = m_pDisp->GetIDsOfNames (
- `1 [1 d& N# S" V9 e IID_NULL, // reserved
+ R% g: C6 |; @6 _) e7 ~) @ &Name, // Array of names to get IDs for( r" [# U0 c: L! T+ b1 W4 S! Q
1, // # of names in the array
& [% Y+ D9 t* \+ q. w A0 I, }+ y LOCALE_SYSTEM_DEFAULT, // System locale
2 o4 v: c( A; y+ D &pokeID); // Array of IDs to fill on output
2 {$ L: S" l; s4 X4 z
6 ~8 R+ t2 F8 O9 W# w if (hr)
1 C# F) l* U7 O' _4 m {5 b3 R9 J5 @. a. n/ E3 s/ A
MessageBox ("Get Poke Unsuccessful");
8 U" {& C. N$ @8 m return;
% I7 y2 y0 c, y C }
' k2 b S3 J, n7 l A+ o( V) f& k0 S
' v' C+ B/ z: k) S, S, N& c6 B+ U/**************************传递数据给extend**************************************/
Q2 r+ y. W' l* L2 A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");. f% i! o/ E, }( E4 p# |) s" l
VariantInit(&pokeVariant[0]);
/ ^* P7 T; l) s0 g: A0 G' k pokeVariant[0].vt = VT_BSTR;
+ D# M8 D1 t y6 V; ` M pokeVariant[0].bstrVal = valueStr;
) c. { S3 J9 ?+ }" p
: c- f1 F: M8 d+ p& d( d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ v9 t- Z$ z- k VariantInit(&pokeVariant[1]);
& ?' h* f! Q: j1 d g% \& C pokeVariant[1].vt = VT_BSTR;
/ K2 e( Z7 g$ O! |5 h8 i4 J pokeVariant[1].bstrVal = itemStr;! X; B( d) s$ z0 a4 x$ n4 j
2 ^; w6 J$ R& I- W topicStr = SysAllocString((WCHAR *) L"system");
6 W* ]' ?+ R. N/ L VariantInit(&pokeVariant[2]); % P% D$ E/ ^+ U- `7 @8 j
pokeVariant[2].vt = VT_BSTR;
6 r3 L4 g5 H$ o7 `1 S* }8 c, ^ pokeVariant[2].bstrVal = topicStr;
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. ^) k( V% ?0 H G( b// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;! f* \$ l7 g/ y0 w
dp.cArgs = 3;" `7 @) @4 {. s
dp.rgdispidNamedArgs = NULL;/ s8 T$ S3 V1 N% ?
dp.cNamedArgs = 0;6 Z) [. M8 U3 W" M- F1 B7 L
3 V3 @( |, X& f, `7 b+ M+ S2 L7 Q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
. h8 u$ Z! V6 C& y1 h pokeID,
; r! c2 g' K! N' ` IID_NULL,! {, W5 }! W3 F' o. s
LOCALE_SYSTEM_DEFAULT,
! B2 K/ l) L) T DISPATCH_METHOD,
% m. ^: J7 o" {! P0 K% X &dp,- j7 A$ C) O. N: _* w1 f0 O6 m# H+ \
NULL,! p0 o7 X4 F8 e
&ei,
' h- R% _+ r: F6 i/ T8 R$ U &uiErr);
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; y+ {, { j. j' E, U) J SysFreeString(topicStr);; T6 z* V, m6 _
SysFreeString(itemStr);
, o9 Z9 D1 N6 t! d$ Y9 U 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???
4 r# d) F8 b. x: j& I7 f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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$ ^, N1 I' l# J A0 ^( O/ T3 ], g
+ U% `9 q* U& T2 s: L, R0 [ V r2.这是request的程序1 o$ _3 j+ Z2 M/ E
// Request a value from Extend2 D" z; S& [5 s( U
//% u8 f5 m; v4 k, W( n
// Initialize the variant that will hold the BSTR. Set the variant's
( G! ?- g9 V: a0 N// type flag to indicate the fact that this variant holds a BSTR. Place the
' T% F3 h: N9 N' v. G// BSTR into the variant structure., v$ S* y) ~! t- T5 ?. @
- h3 J: J# g$ o+ |: R. \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* p$ A' S s7 x# T4 b7 |; E$ {
8 s& p$ [9 w& F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 b# F! M2 D' _0 \, F VariantInit(&requestVariant[0]); ; Z7 Z- h) l6 t8 a& K) b' y% p
requestVariant[0].vt = VT_BSTR;$ `2 U) R5 i- z; c% a9 N
requestVariant[0].bstrVal = itemStr;3 t) `, p- u8 C+ E& P0 p& q7 t
& b! Z2 t$ N! \$ H S* V
topicStr = SysAllocString((WCHAR *) L"system");
" ^: x& I% z& [- E( M- U5 O VariantInit(&requestVariant[1]); 9 k G$ M( S, M6 O
requestVariant[1].vt = VT_BSTR;
# D: x, U& E# l" G! t% d( t# f4 M requestVariant[1].bstrVal = topicStr;
* I: k G4 {6 J2 `& z: J8 f
& N3 K& L3 \$ K1 n// Set the DISPPARAMS structure that holds the variant.
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) `, N$ r2 _# H; s v dp2.rgvarg = requestVariant;
/ ]- b0 o% `8 [) x( V) U dp2.cArgs = 2;
* ` ~' y- E& m( | dp2.rgdispidNamedArgs = NULL;8 W2 `( S1 X1 C
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;8 p9 e* \& G1 S7 V" R
0 ~# u$ r* Y* Q5 s$ T, D! J3 {% p// Call IDispatch::Invoke()" t8 A4 j! }' \" Z5 I+ N# W
+ A) p+ R: a" Y6 G1 ], y
hr = m_pDisp->Invoke(
+ ^! ]* [! J) |8 [ requestID,
' Z$ s1 T" S5 ]# P& c IID_NULL,
( @7 l3 v+ b. r9 k LOCALE_SYSTEM_DEFAULT,# Y" v9 x! `: s- |3 z- ^- Q
DISPATCH_METHOD,1 x2 O/ T e: n6 u
&dp2,$ i- I+ ~- l W( h
&var,3 c8 \5 h' Q& P& D9 J" \1 B3 r
&ei,
' k% ]4 i3 F4 h2 ?# E& r& h- j &uiErr);# q$ b2 L! ]2 s( M8 R$ x7 n
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SysFreeString(topicStr);3 j+ H" d$ |4 }4 { A( k
SysFreeString(itemStr);5 m7 b; t1 f4 }" _& G0 h0 w4 I
请问该程序是获得extend里面的哪个值?
# @7 u% Q% j3 ~" D( `6 o7 g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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