|
|
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:$ P* E/ X' g( ], n+ [
Name = (WCHAR *) L"Poke";
% b, N, a9 | `) E . D+ {2 @ F7 a5 F1 O2 h8 d
hr = m_pDisp->GetIDsOfNames (- N& Q5 D' m" }" h
IID_NULL, // reserved
9 d `, d3 n, x6 F% F8 }8 D+ ] u &Name, // Array of names to get IDs for
7 U" v h- B, M' x 1, // # of names in the array1 Q7 p, O; [" {
LOCALE_SYSTEM_DEFAULT, // System locale
6 P w0 [. i# s; Y( G' G0 Q4 h. }+ r &pokeID); // Array of IDs to fill on output
+ T# l' \4 e/ m, }5 P $ Y1 q$ _: N3 `5 m1 j m8 A" s! }$ m
if (hr)$ A& J3 {* |2 u: S- w
{% E0 }- [5 B! X- t# h
MessageBox ("Get Poke Unsuccessful");* t6 E3 t9 J4 ]& Z, X. _
return;
2 z& v7 Q. O# o! x0 a( n0 Z }8 A" _" R& M$ @' Q6 x( \
5 G0 P1 b7 M6 e0 v; [. U# p/**************************传递数据给extend**************************************/ J& k; [# B7 V2 O& b% a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 A5 v$ Y( t" v % v, M* g, O! r6 c
valueStr = SysAllocString((WCHAR *) L"1232");) d. L: r$ H) a, f5 ^, _9 p
VariantInit(&pokeVariant[0]);
$ T8 `( C. D2 j pokeVariant[0].vt = VT_BSTR;
* U3 Q: Q! I' `* x4 S0 u; ~ pokeVariant[0].bstrVal = valueStr;. ^# H, p% C1 f+ f
7 p3 e. }5 [5 } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: b" f2 O" R% `" r$ m) x# x VariantInit(&pokeVariant[1]);
+ @% ]# U# j9 L pokeVariant[1].vt = VT_BSTR;3 q1 d/ k* Y$ O4 A% a
pokeVariant[1].bstrVal = itemStr;
' p2 e( D m4 J, K5 V: h C" `, F0 U" t# h. ~+ ~1 R6 Y7 B
topicStr = SysAllocString((WCHAR *) L"system");
* x8 @1 `, L0 l+ H* c0 O5 z VariantInit(&pokeVariant[2]);
6 b; B- E/ d* V pokeVariant[2].vt = VT_BSTR;( [& E. d( Y" \6 N* P
pokeVariant[2].bstrVal = topicStr;
! p- s' u( ?' x" F, S# U$ e9 J+ K4 S
// Set the DISPPARAMS structure that holds the variant. E2 e7 _" D* _ w' i- o; K8 C* K
2 r! b8 c! c$ T3 l6 n# ^" R+ l dp.rgvarg = pokeVariant;0 y$ F. P7 M" k0 L+ I( t7 P+ M7 V) L9 v
dp.cArgs = 3;* c9 z6 a" G$ L3 R! Y$ I4 \
dp.rgdispidNamedArgs = NULL;
. p; q) S% S: W" d6 } dp.cNamedArgs = 0;
$ J. @4 A" I0 I( D% T8 ]# \8 \
' q2 L7 S0 w6 Y% I: Z; d- K" H# L// Call IDispatch::Invoke()
2 A1 O2 ]' G# H' ^
3 ^: \7 [' P+ i$ M2 h0 t5 m hr = m_pDisp->Invoke(+ s5 M3 `4 A G( Z$ I6 e
pokeID,! Y3 l) C9 {6 q* `& k4 H
IID_NULL,
& V; Q) F a$ X1 H9 Z7 t3 V LOCALE_SYSTEM_DEFAULT,
7 N7 z1 j9 I! p5 k DISPATCH_METHOD,, [1 f7 u% X8 o# A4 Z, o; j* ]
&dp,
+ h" h A+ y6 w: \5 g8 C8 Y NULL,
( E) J8 Y8 ~4 @8 H &ei,) F0 K2 w# s* t8 G: }* w
&uiErr);/ _- U; q! c! W4 U- J+ ^
! E) I1 P# q: d
SysFreeString(topicStr);
; N1 a: q& R7 s( X1 T2 k SysFreeString(itemStr);5 \# U1 x- [6 Z
SysFreeString(valueStr);
- j; B1 j; p5 o' M. j
$ U- h' n( t( T5 X6 _" E$ z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???
' x" |5 j K" L9 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????
7 |+ u/ Q9 j; C% D& V+ @! K. ?) F( Y2 o8 H2 Q0 B; J
+ P; U% u- o* Z$ {6 R s) |+ p- z
2.这是request的程序
. ^, z! l1 U% k& p" ?// Request a value from Extend4 _. P/ ~! t1 U% T2 T3 H
//$ n4 z6 D* B, D/ O% M. M; k5 Z& a
// Initialize the variant that will hold the BSTR. Set the variant's1 e" ^# r+ ~+ M4 A1 t
// type flag to indicate the fact that this variant holds a BSTR. Place the
& ]% S$ y- k, d3 o// BSTR into the variant structure.
4 D3 }4 P+ i5 a, [/ c8 a; }! Z8 t$ U( R; d$ |
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 K9 A9 E! x+ r& m e
, g( b: X7 h; }& d. `2 K& V9 R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( d- n L- Z8 } VariantInit(&requestVariant[0]);
# I( q# k1 o o* j+ Y; W requestVariant[0].vt = VT_BSTR;: _* f" N& p& h
requestVariant[0].bstrVal = itemStr;. B; K3 u- b/ ^; P8 j
) c/ a, ^* b6 _4 N, f6 `% I topicStr = SysAllocString((WCHAR *) L"system");
# g d z1 b7 i$ g' z' O3 z J VariantInit(&requestVariant[1]); 5 c/ m. T4 v. v0 ]- m( }, @
requestVariant[1].vt = VT_BSTR;
6 I9 {6 O% P {2 ?6 {2 s requestVariant[1].bstrVal = topicStr;
( }$ ?# J+ ?& i+ g
: P. n! S. ~$ O y) U2 y// Set the DISPPARAMS structure that holds the variant.
( r- Z- D; c: p5 w; u, N& ?: |7 \0 Z, C4 m( Y6 H
dp2.rgvarg = requestVariant;
9 } `- z0 K; @& j8 _! ]; X* F dp2.cArgs = 2;4 i! A$ X6 V9 o( |
dp2.rgdispidNamedArgs = NULL;( z: L+ u& h4 I, m+ x
dp2.cNamedArgs = 0;
' w) p6 C, u5 u, y
/ L% r! i5 i0 Z! E var.vt = VT_EMPTY;
, ^4 n3 H6 g8 S7 V5 l; d
' q' i% s; p0 s/ E( e% |, k5 r% K// Call IDispatch::Invoke()- K. p; H" ?$ w# a$ ~
+ v* T* x' }9 o3 T5 }) q- K4 | hr = m_pDisp->Invoke(
" O+ ]# [! o. c3 s; ?" C requestID,
+ j0 w4 s+ ?2 T, f4 n7 t; G) h IID_NULL,
. f+ D( X5 y0 z, I, C! J2 s# d LOCALE_SYSTEM_DEFAULT,! [% r4 H, ]5 f" W, ~
DISPATCH_METHOD,
: l7 S+ ~: H& ^8 h" { &dp2,
- I6 l: g. d4 N- A8 ~ &var,$ v7 S& n& Z( F
&ei,
9 J* m4 Y2 p( E3 Z* o &uiErr);
& d( \( x+ d) ]) S3 H
0 y2 u5 Q2 x1 i SysFreeString(topicStr);
7 |& `) c8 v h) l0 n' `4 U* j2 P9 m/ \ SysFreeString(itemStr);( |6 y/ m; O3 i' x9 D/ z
请问该程序是获得extend里面的哪个值?+ P/ |* Q$ ^ v8 \9 d/ 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???? |
|