|
|
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 y8 {; I) p5 R8 ~ k) R
Name = (WCHAR *) L"Poke";5 s# ~+ J/ b, T/ i0 q8 D9 k, x
' s4 ^1 Q& z- |4 b* B. N hr = m_pDisp->GetIDsOfNames (+ e) \( U w/ H- \% N A
IID_NULL, // reserved
! v8 r' D9 _+ ^& g3 E &Name, // Array of names to get IDs for
! p0 b8 h# S) d 1, // # of names in the array: d; z4 i: u1 \3 L% H" F% R
LOCALE_SYSTEM_DEFAULT, // System locale
, ^/ ~$ l) D) w* v: P &pokeID); // Array of IDs to fill on output
. ^# J2 G, W8 M" Y& T1 z9 x
$ R3 U+ T- M: s7 p/ [5 a if (hr)9 X, O5 q- ]% o* B3 {/ `! y
{
j- K' t- v* L7 O* |6 m+ E MessageBox ("Get Poke Unsuccessful");2 N) z! a9 T0 z
return;
/ I) a( E; k: q$ R; J x }
) ?. c# y! Z2 r" r2 B' K: S5 u: B0 e& V3 e, ~, F; j8 q
/**************************传递数据给extend**************************************/
% k% w$ o' p9 R& K( b pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
- R4 L; F& {7 J! z 1 s, Z4 `: P0 T
valueStr = SysAllocString((WCHAR *) L"1232");- p3 g1 @6 p' i
VariantInit(&pokeVariant[0]);
' q! q Y5 D9 z- F& ?7 | pokeVariant[0].vt = VT_BSTR;9 L4 L# q% q6 R$ E9 ^
pokeVariant[0].bstrVal = valueStr;
( ]3 E( a' w& w, w3 I2 l/ a% Q" g4 R& f8 [3 a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- }% r3 q% x5 N) Q5 ~: l
VariantInit(&pokeVariant[1]);
' R2 G3 b' Z! M$ a# M pokeVariant[1].vt = VT_BSTR;0 I' R9 P9 o& N3 ~% V7 Y3 z
pokeVariant[1].bstrVal = itemStr;
0 D+ q0 J! m" U* V. Q
& j: {% l- D6 `, e" ] topicStr = SysAllocString((WCHAR *) L"system");
5 X- c) p9 P2 ?! R, H% D1 t VariantInit(&pokeVariant[2]); - C$ }5 E: z1 R1 j5 J
pokeVariant[2].vt = VT_BSTR;
4 j) r8 r1 m6 ]( n' m6 u# l d4 e pokeVariant[2].bstrVal = topicStr;0 a" C9 y* @# e$ c+ l& x, O' A
5 ^0 ^) h4 N# e+ f) l8 M// Set the DISPPARAMS structure that holds the variant.
+ J* z. s% p% R$ F
+ E8 i/ T9 c8 e6 n h% p dp.rgvarg = pokeVariant;6 @: V+ y" J9 @
dp.cArgs = 3;$ Q& ~# P. S& N& M' ]. v1 x9 `
dp.rgdispidNamedArgs = NULL;) r6 q+ U, i# ~ f6 \' \4 \+ w
dp.cNamedArgs = 0;% n: u K: w) ], C5 s
$ e( z6 w# T2 u; D; H3 ~
// Call IDispatch::Invoke()/ w" Z# q: r1 c& ?
1 m- B1 ?" u! I: b1 T0 d/ a hr = m_pDisp->Invoke() i& ~( |: m) ^7 W" C& c
pokeID,
6 |5 M8 g( S2 K. o; O; T IID_NULL,, X; ~1 x8 v1 a4 b
LOCALE_SYSTEM_DEFAULT,
% `# G3 `, O$ j% B& ]: ?9 v DISPATCH_METHOD,
3 U% t' V' j$ F* S) a &dp,
. g \+ X8 `4 m NULL,7 P3 E* x( Y1 C4 M) \" f
&ei," t2 \% y7 {( N
&uiErr);
1 g5 `; N! p' S7 z' L% @2 K) q; ]; M
SysFreeString(topicStr);
' W/ i" r0 h2 {5 I' w- P$ `' J8 T SysFreeString(itemStr);
+ ?) [7 a7 U8 \" f3 S1 _& j3 M+ [ SysFreeString(valueStr);2 f7 |6 d* z2 ?
7 W8 M$ x7 m4 t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???; Z1 _2 o* b- X! 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????
: }. b3 w% l1 _8 b3 T$ K
6 q1 Q: }: \' K% _, f4 m) Q! |6 U# x5 T
2.这是request的程序
% n$ X G; H+ d: ]// Request a value from Extend _8 e0 l3 I# s( W/ {
//3 |$ I6 z: G5 S- o& z' x" U( n+ P6 n
// Initialize the variant that will hold the BSTR. Set the variant's
1 j. u4 N$ n9 z O- P// type flag to indicate the fact that this variant holds a BSTR. Place the
0 J& v: { s' q2 S1 U4 | b* t8 R7 K; o// BSTR into the variant structure.
6 g$ Q6 [: i' |0 P, e3 o
+ j, r$ k* }3 i requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
5 {6 u0 Y& h: ^. i
. J. i8 u9 N2 z4 b: Y' F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ d; ^3 _" {3 }2 m4 ` VariantInit(&requestVariant[0]); ! }' Z4 K. Z/ D
requestVariant[0].vt = VT_BSTR;+ _. ^: \/ K( p6 V* a
requestVariant[0].bstrVal = itemStr;! l. b V/ A2 A, l6 N, s0 `7 x& r. g
O$ z. h( ^) B' W- o
topicStr = SysAllocString((WCHAR *) L"system");
8 ?2 M3 l) K7 |; U3 v, k* s VariantInit(&requestVariant[1]);
$ @/ @2 O# m+ X. V: p9 K0 x5 ? requestVariant[1].vt = VT_BSTR;
% j/ K2 `, p: V+ K9 {4 U8 F requestVariant[1].bstrVal = topicStr;
- p; E1 N& u( J
# u1 h$ Q* j! |" T: o n// Set the DISPPARAMS structure that holds the variant.$ o% S5 C R& v/ h: f+ w4 h1 G& h
' f; F! E# Y6 s% {& Q% u dp2.rgvarg = requestVariant;1 ]4 r8 J0 @7 p6 g+ Y
dp2.cArgs = 2;/ @4 k+ [2 j' v1 h- m* O, r
dp2.rgdispidNamedArgs = NULL;
3 x" z1 {; D& ~1 G+ E' J/ n& F dp2.cNamedArgs = 0;
) y) B% T, m9 o+ \0 F0 H! C d5 Z7 s6 v1 ] f1 ]0 A
var.vt = VT_EMPTY;& V# P; ]& [% ~8 ]& p; z1 U
! O. G- c6 D2 C4 _& Q// Call IDispatch::Invoke()
" l; Q6 L4 I) u3 R: S4 P u
5 h3 J* s( B1 l hr = m_pDisp->Invoke(
: \0 v5 C3 [" L9 j requestID,3 ^5 B' |& K: R- P# q: Z
IID_NULL,+ X5 I6 {! U( r, l- Y7 g
LOCALE_SYSTEM_DEFAULT,5 D4 n* K8 B' M( T- Z: X; T1 C
DISPATCH_METHOD,
6 M4 s; M$ ?7 L+ v. E &dp2,
' H; r. w. D& U/ q' r& X4 J* w3 Z, s8 W &var,
: `, l) t8 Z2 |% _- n+ Q &ei,
$ q! j4 q8 S! t# m$ E1 @2 ~ &uiErr);( K& |7 x( L8 j: k
$ d @7 U' S7 Z' j4 e2 v SysFreeString(topicStr);
# U1 f7 L1 D% d: p SysFreeString(itemStr);
y; k) s% \5 @; c+ O2 O0 h请问该程序是获得extend里面的哪个值?( Z( a/ m# x' X# S( e
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???? |
|