|
|
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:
/ A0 m% Q1 L* I! c9 j* O, S* ~1 fName = (WCHAR *) L"Poke";
- w3 ?1 v1 d0 X; S, t' U* ] $ I% ]6 ^8 u* W6 b
hr = m_pDisp->GetIDsOfNames (
: x k9 d$ Z( f b: o& q4 O- r IID_NULL, // reserved
; x3 F* }/ G" @9 H &Name, // Array of names to get IDs for
( t d3 L1 j$ @+ _' p5 q 1, // # of names in the array
- m: _5 V- _1 U: _) D% Y LOCALE_SYSTEM_DEFAULT, // System locale" B9 o' F5 z; T
&pokeID); // Array of IDs to fill on output0 m; [8 T) J( w$ V1 o! D/ j6 w0 G
- W5 d; u; W- p" m$ I2 f# w if (hr)
+ J9 N ~4 k. s2 d, j% ^ {6 q* U, b# \9 Z( C
MessageBox ("Get Poke Unsuccessful");. t4 c9 W4 @( G y5 W9 Q& L
return;* F7 v4 F& i. ]! s+ B
}
; j1 j+ K- l# }
. k! }. {. j3 S+ \! e/**************************传递数据给extend**************************************/
. N0 ~% ^, Q( W( O# X' @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
; x9 T( l. ?# g
# w6 K$ c6 {, u9 o1 p& P) @ valueStr = SysAllocString((WCHAR *) L"1232");8 x5 x' j) H2 V( E: X# i+ q! Y
VariantInit(&pokeVariant[0]);
4 j5 N$ ^6 y; Q' b2 x. i* P1 q pokeVariant[0].vt = VT_BSTR;
5 h' k% |8 ^5 _# n6 d. E* ^7 l pokeVariant[0].bstrVal = valueStr;
y2 @3 k3 w# ?9 @8 ?( o5 Z" B3 Q' t" R, i! d8 M9 t
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ S6 _$ H, Z2 ~5 G2 ? VariantInit(&pokeVariant[1]);
- N( u- p' o9 A" @ pokeVariant[1].vt = VT_BSTR;8 Y3 }7 J/ ]" Z! `7 J0 ^
pokeVariant[1].bstrVal = itemStr;( D: ~9 V+ d& J7 b7 R
% r8 j6 }5 d1 a topicStr = SysAllocString((WCHAR *) L"system");! m9 {$ K2 T1 Y. D
VariantInit(&pokeVariant[2]); # Y- r( F# o4 d1 e1 p9 X1 Q5 ]% |& c
pokeVariant[2].vt = VT_BSTR;
& Z. R% d) A; w! z pokeVariant[2].bstrVal = topicStr;
* n$ D/ z- i- e! X
( [1 W6 Z) o# Q3 W9 v% j// Set the DISPPARAMS structure that holds the variant.
9 E( A9 T% x e% T1 j7 W5 |
- }" ^ V+ G0 g* G. B dp.rgvarg = pokeVariant;
& U- f" ^; V: \2 z1 W& O dp.cArgs = 3;
) S. Z* w. t/ f% {, V dp.rgdispidNamedArgs = NULL;! {: g' a# ]1 e# @4 Q; B4 y/ y
dp.cNamedArgs = 0;
, B7 v$ n4 _( S; H$ s3 O9 q- ^' i8 y5 b+ u, c
// Call IDispatch::Invoke()
; h4 M x7 `) O7 k1 y$ B5 f9 l5 Y3 C: L. C2 s/ j* z/ T
hr = m_pDisp->Invoke(+ o4 |$ V3 \- ^ s* A- y
pokeID,
* f$ x1 Y2 P% f0 D7 U- |5 I. O IID_NULL,2 K5 l1 ?2 Z( s$ h5 n/ K
LOCALE_SYSTEM_DEFAULT,
) M u- o F! i3 C6 S$ l# L0 @- f4 T3 V% G DISPATCH_METHOD,
, C: \$ {" N8 ~6 q1 U2 r, \ &dp,
. _; I8 c& _/ @ NULL,
% J6 z; T3 E- a8 ] &ei,, A& U# t6 j" }; T! [) u
&uiErr);$ }% m& m# `$ {0 x C
8 h2 w+ h7 U( c5 N" Y' u1 X1 R SysFreeString(topicStr);
' v3 D) H; `; d SysFreeString(itemStr);
" M0 a9 R4 Q0 f1 v$ R/ k* C SysFreeString(valueStr);
5 x2 Q( z- {4 L! O" g' ~# R. Z; i' Z' c, P T: |5 E# c
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 s% Y! U1 U3 e6 t
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????( T/ H% u2 M1 C( a9 K
3 i8 S$ b, z2 |8 t4 }# `9 g# m$ K8 B% Y" B3 M" F5 f/ Z! A. u
2.这是request的程序
p+ I+ ]9 _# N3 N2 [; s; x// Request a value from Extend5 A9 j* m( r! k
//
9 W) t- b9 h- ~7 G, A& x// Initialize the variant that will hold the BSTR. Set the variant's
/ @( H# A. F1 l4 a4 E# X: b// type flag to indicate the fact that this variant holds a BSTR. Place the2 s2 y# `3 L0 ?) V
// BSTR into the variant structure.3 ]) X; O# U" l- \0 [8 t$ U
5 Y( h/ c6 ?) i. a7 s) n2 O& t
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 i" n, t- r! o. `: D5 U2 W2 j6 T- A, d
: n* q2 }6 j& j
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 N8 v, d" `8 Z/ u# @- i- A
VariantInit(&requestVariant[0]);
- s5 ]" e+ B1 L v3 m; a' C requestVariant[0].vt = VT_BSTR;9 l5 ], N$ V- ~
requestVariant[0].bstrVal = itemStr;
) F* P( H6 A# ?$ L+ K( z0 R/ V& ^. l
topicStr = SysAllocString((WCHAR *) L"system");
! X) ]) a" R( b7 ^/ l4 X. J: ^ VariantInit(&requestVariant[1]); : H: w2 {9 R$ w' |8 ?
requestVariant[1].vt = VT_BSTR;
, w; w9 f2 n6 C8 p: R' b requestVariant[1].bstrVal = topicStr;! u+ n/ }. _9 Q* _5 R n
/ S. ^' [# T, t0 `& l# m* A8 y
// Set the DISPPARAMS structure that holds the variant.
) N7 v$ h2 d; l3 v% |+ ?
6 ?0 N, j* G3 o1 }$ G% K+ b dp2.rgvarg = requestVariant;
% k+ u( Y& w: j4 ]. q9 H: i x. [) E dp2.cArgs = 2;
) Q2 _' b5 v) ^ dp2.rgdispidNamedArgs = NULL;+ O }) m9 A6 ?) _( ?, k: m# D
dp2.cNamedArgs = 0;$ n) g- {8 O/ I& \
: q3 n) K0 q/ g) y) i' {( F( B2 J var.vt = VT_EMPTY;, o8 t$ e1 X# ]4 W" T1 z
7 H# P8 g+ }1 \// Call IDispatch::Invoke(), W9 Q+ {/ m* o; @# C9 O
) Q( x/ {7 z* U$ R) r, @ J$ S
hr = m_pDisp->Invoke(
: [+ o2 S( X& A requestID,- D8 m) d R0 A* l
IID_NULL,
( _9 y {" G7 L* F- G) M/ m LOCALE_SYSTEM_DEFAULT, Z9 c" ~; @& u4 c% [
DISPATCH_METHOD,
1 K3 g5 _" b2 s; N &dp2,
5 X4 k$ {/ x( L, M u! v [ &var,+ k4 Q0 J0 k: L5 x& H3 m
&ei,+ S4 `1 s; G2 X& U: A' |% Y2 i+ i
&uiErr);6 }! {; M: \6 d8 x$ D w
1 M- D- `; {$ A o$ i% \; [ SysFreeString(topicStr);
" M9 z. Q( F( O e# Y SysFreeString(itemStr);
/ [! v9 J& y! f. o请问该程序是获得extend里面的哪个值?. d+ }$ m& l2 [2 O1 K$ A$ P; O' o- `
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???? |
|