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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:
9 q2 L- ?. B4 A+ ^Name = (WCHAR *) L"Poke";
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2 n, ^9 Q8 \7 W8 ?1 { hr = m_pDisp->GetIDsOfNames (
9 w5 P: U0 } e" P IID_NULL, // reserved
0 H H, J' ]& H* P &Name, // Array of names to get IDs for# G% U7 x5 P: T$ x* u# c
1, // # of names in the array
( ^ b6 v: U9 f LOCALE_SYSTEM_DEFAULT, // System locale6 \1 B) S/ j- l. ~- x0 K+ ?
&pokeID); // Array of IDs to fill on output3 c1 n, F5 o7 A7 T1 F$ ~4 Z6 A3 t
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if (hr)) V: X' H: i: N8 m/ _! K+ P# T
{
3 F3 w" Z+ e& w% _ MessageBox ("Get Poke Unsuccessful");2 I* v. u; K1 T. E/ z" q' J# F
return;4 @$ H j2 j' c, w" m9 P, R4 Y
}
/ [2 X5 i& ?4 h
) p: V, F# p' v8 ~2 x# r/**************************传递数据给extend**************************************/
( ?- s; ~1 F1 _8 n& W$ ~ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
! h/ J$ h) R4 H6 @5 e * V* ?8 W; F, w4 ^; W
valueStr = SysAllocString((WCHAR *) L"1232");
0 j, ^/ g9 b9 H7 v VariantInit(&pokeVariant[0]);
) V& c2 D+ v" w/ v0 c( F2 e pokeVariant[0].vt = VT_BSTR;
& K. v, D: H* A+ L pokeVariant[0].bstrVal = valueStr;
% }; c! N1 ~) c0 R1 R4 M0 d- p
5 C$ p" `2 _ |/ n/ ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& }& Q- O, N% g( c9 H" q- b
VariantInit(&pokeVariant[1]);
4 }" `& i& _1 ^. c6 L3 \1 V: v+ r pokeVariant[1].vt = VT_BSTR;
7 w2 z# u" r5 c. }4 ?2 r* | pokeVariant[1].bstrVal = itemStr;
5 Y3 R4 ?; U* F( Z, s
" z; u# [& G1 E- G2 |% a5 Q* M topicStr = SysAllocString((WCHAR *) L"system");
( t8 R5 P! C. y6 _; v VariantInit(&pokeVariant[2]); , v# }1 L9 N0 f% L+ Q: T% k
pokeVariant[2].vt = VT_BSTR;
# b8 t: a9 B$ h! C pokeVariant[2].bstrVal = topicStr;) o2 [2 p8 p3 `5 c; u7 R! L5 ~# ?
: o, G! l$ ?) l5 J1 g// Set the DISPPARAMS structure that holds the variant.6 Z" L5 x1 K' s7 ?- w! G
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dp.rgvarg = pokeVariant;
% l, T) o7 G) P% A6 B3 ^' q( N dp.cArgs = 3;
4 ~6 d* E/ W" ~8 X0 Y dp.rgdispidNamedArgs = NULL;' x" R/ j( d- f3 Y' t, e4 P. Q5 r
dp.cNamedArgs = 0;
' ~ {1 b5 M+ m3 u: L& h; J
0 p! ^* V9 Y N" r1 ]$ b3 Q v// Call IDispatch::Invoke(). ]3 ^$ [! o& m. w r" L
: W$ Q+ W9 _$ X. h& h! t% U; u hr = m_pDisp->Invoke(
! }4 z" O& F( {% r pokeID,9 k* |$ R& d( h
IID_NULL,
' @% X' S! s5 u. w8 I LOCALE_SYSTEM_DEFAULT,
: l5 l) q! P! _' J! | DISPATCH_METHOD,
7 l# A) r( P* }( w &dp,
, l+ P; m4 j6 L; x( C7 Z" M7 K NULL,
, y& L! Y. P! g% B &ei,+ g/ H! i2 ]# {! l/ y: N
&uiErr);5 d F9 O' F% \9 b4 z6 G1 b
' f) _* P+ c/ X2 F SysFreeString(topicStr);
- j) ?( ~ ~9 _ SysFreeString(itemStr);
5 |6 c" v5 A; y SysFreeString(valueStr);) q% Q2 ?' u- D" m
* Y' ` G, _! K9 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???
6 v" ]. c3 h" w" l# k; s5 D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????7 W$ l# M) `) L$ _ C
3 b! ?/ n+ M7 z1 X4 [1 ~+ W5 i
6 I) C+ d* S5 _% w; m
2.这是request的程序
' h! z' g0 O8 r// Request a value from Extend; L( q \7 ^& i- H# J$ }" T
//
6 v$ s1 T. X% I7 _0 e( q// Initialize the variant that will hold the BSTR. Set the variant's6 }2 ]" V9 u) D3 g8 o: I/ I# _
// type flag to indicate the fact that this variant holds a BSTR. Place the1 K8 S9 n4 M% { j
// BSTR into the variant structure.5 @1 d( P( T2 ]: U$ f# V
1 J5 o/ ^5 ~4 j
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ e; d4 d7 E. \9 D( ~0 ^3 u
+ R/ I1 `: t) G1 o- D/ U* o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) B0 c* V: \5 U% V. G+ u& O
VariantInit(&requestVariant[0]);
- j/ U4 D7 f' U" \$ u$ ] requestVariant[0].vt = VT_BSTR;
2 G& y: _5 x+ Q# |$ j! b requestVariant[0].bstrVal = itemStr;6 J& c. R# }6 q. R: M9 t
" G4 B4 u, ~9 M- B2 `& W, c" [ topicStr = SysAllocString((WCHAR *) L"system");
7 V/ ^/ E' v; E# e/ y: H VariantInit(&requestVariant[1]); ; S" \$ g4 i0 r
requestVariant[1].vt = VT_BSTR;
, [6 @( p2 J/ b. ]: K; b, _ requestVariant[1].bstrVal = topicStr;& r( D. d0 t5 p3 ~# {5 p* S
6 y& C! _2 H4 L- l* X4 ^3 s+ }
// Set the DISPPARAMS structure that holds the variant.+ N8 g# I: t3 V! S& L8 D
4 h0 q. \1 Y, j3 [9 j dp2.rgvarg = requestVariant;
( D! N% W: }+ p dp2.cArgs = 2;
~0 A3 b0 y3 b+ Z$ Y: d dp2.rgdispidNamedArgs = NULL;
- p @& T# c8 i) M dp2.cNamedArgs = 0;+ f0 r0 }, g, ` N, R: j L F
2 z# ?3 c& M5 O3 P* Z/ [9 l
var.vt = VT_EMPTY;2 t) A& Z- p. X& \! e
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
. U$ @( ]( t, M requestID,
# }: K. ]5 \- p0 h1 w! g. Z IID_NULL,
7 y( V: o! @& z) e1 m( z: | LOCALE_SYSTEM_DEFAULT,
6 a8 v6 m5 S8 E- X [ DISPATCH_METHOD,
; q+ q8 R8 j* T: ?/ ?6 G8 Y: S &dp2,
; u% d0 g* F7 g6 Y m) k &var,( h0 _0 S$ ^9 T; `& A8 K
&ei,
6 a8 `4 H. d' V( N& `8 y &uiErr);7 S& z0 J( T) V% h) _; T T
# T$ d5 U# @; R2 |4 r
SysFreeString(topicStr);
! p" N% g6 @! ]' T$ @ SysFreeString(itemStr);5 b( c) @3 ?7 T) I) }0 \4 Q
请问该程序是获得extend里面的哪个值?
$ d7 B; E7 E$ q4 @1 s. A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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