|
|
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:
# `5 t x2 j# ^5 G* M1 \Name = (WCHAR *) L"Poke";6 C; Q' m, M% q3 M4 r
5 Y& l$ ?7 r4 ?
hr = m_pDisp->GetIDsOfNames (8 t5 m% b9 b' H" ~; d- E& S3 f
IID_NULL, // reserved
+ J0 B7 b: v& b6 |) O4 L+ i1 ~ &Name, // Array of names to get IDs for4 s* r& u, ~( T: ~7 G3 W
1, // # of names in the array( T' Y# D7 A/ g3 ^
LOCALE_SYSTEM_DEFAULT, // System locale
& H1 W* I6 u% } &pokeID); // Array of IDs to fill on output
Z7 e: n# n1 `3 ?& L- j: }. Y M, ^/ E" R' _4 |/ ]
if (hr)
$ K& [; E$ B* Z! m" V$ ^4 r2 n {
! d& R- ^7 J. ^8 E# X MessageBox ("Get Poke Unsuccessful");" i- T! [2 o( n
return;
8 Z/ \1 V# ] {; H% w* o. @ }
/ F/ K; ^) d) g- y2 F! c& n. N9 K. @& D/ V9 Z, H: Y3 c& c! ]
/**************************传递数据给extend**************************************/ O8 ~9 F! L. c: G9 |/ U! [
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
- L/ Q# d+ r1 |! {8 H 7 U$ u. t! z A+ B$ _- ]# N
valueStr = SysAllocString((WCHAR *) L"1232"); a8 ]( j5 F: Y6 d( E
VariantInit(&pokeVariant[0]); . s& D: d! s( s
pokeVariant[0].vt = VT_BSTR;
5 `3 a0 D! o* o3 M( {! q* M. l& W pokeVariant[0].bstrVal = valueStr;' e; E |+ f4 Q
2 H; }: U9 D% S D0 c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); l. X3 y8 f* W9 N D! B* E' W
VariantInit(&pokeVariant[1]);
# T6 a5 P ^4 }9 Z pokeVariant[1].vt = VT_BSTR;
. H$ n( x& }5 A3 y* f4 d s pokeVariant[1].bstrVal = itemStr;
?! E1 {0 h9 f8 C, Z+ a; O5 n: w3 Y' f5 i0 N
topicStr = SysAllocString((WCHAR *) L"system");
# ]) x5 J/ V6 L& M, F7 L VariantInit(&pokeVariant[2]);
/ B1 m6 z: T+ T) Q pokeVariant[2].vt = VT_BSTR;/ H6 T' n7 @: }" X
pokeVariant[2].bstrVal = topicStr;
$ P" x/ v4 ?, Y3 G9 x6 H& X* x/ |. s5 ^( w* }* V1 }
// Set the DISPPARAMS structure that holds the variant.
6 k% ^. ?, ~8 C: a8 h: W7 f( \% Y+ m3 {+ _$ }1 I. p& V5 y
dp.rgvarg = pokeVariant;
+ M0 j8 B; [0 \2 x dp.cArgs = 3;
6 Z. _5 c& f* m6 z dp.rgdispidNamedArgs = NULL;
! d; ~7 p \' R9 r$ c* w% Z2 v- ^( x dp.cNamedArgs = 0;
7 ?3 l& ^7 V, [9 b. R
7 I% p' J/ N N1 S- c- X// Call IDispatch::Invoke()
0 x! x/ A: J, w+ \* s L) T( t
" J, w6 D6 Q- A/ n( G hr = m_pDisp->Invoke(
' w; w! Z3 M0 v4 `2 U+ g pokeID, Z6 T( n% G/ a* G
IID_NULL,
; Q: x' U# j% @/ X LOCALE_SYSTEM_DEFAULT,
: A1 Z9 O) G: A+ |4 s DISPATCH_METHOD,* b$ m, m7 N" I& {& o
&dp,
. t/ b7 b" J0 g5 N! q6 M NULL,
0 a& e1 h5 o- C' Z, ~" U! | &ei,; N- Q, {% n7 M6 ~ h; E: q, _
&uiErr);2 i, Q5 A H- }* q! j" q6 E- i5 [
1 w$ i _4 t& S3 {
SysFreeString(topicStr);' l( V# w% @4 ?) u* z# S
SysFreeString(itemStr);
" a) U+ G! r6 k {4 C1 h% c SysFreeString(valueStr); H* N# }) x3 U9 i
, j, Q% K' ]3 N/ S0 f* q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???
1 Y( y) z- Q" i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????/ S: T% }" B7 I1 Y9 ^
" _4 h$ x0 @+ Q1 J( ?8 p7 O( o( J
- v8 q! L% ~: y6 ]
2.这是request的程序
, Z/ B' m; e- @; }! v// Request a value from Extend
* h6 m/ p: a f, a) P( ^//
3 _- T E& m. C! H% A; |4 p6 W// Initialize the variant that will hold the BSTR. Set the variant's% m x$ r* k, R e- v
// type flag to indicate the fact that this variant holds a BSTR. Place the3 y! g H% A, C% k" J) L# x
// BSTR into the variant structure.
: j$ L ?% F+ A$ i: |: }
6 u* E3 z" Q! K8 e requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
7 {# z- A; j8 l, f! D/ z / f2 Q u" Y: V8 n2 }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 ^( x1 B, `8 O7 ?! m1 N VariantInit(&requestVariant[0]); 7 j5 W+ Q6 x8 E b D+ u: c6 Y( g. y
requestVariant[0].vt = VT_BSTR;
. {8 L1 X+ U- W7 D& o requestVariant[0].bstrVal = itemStr;
6 B v6 }0 D+ X' U1 Q- y _( Z# L8 N. x6 e
topicStr = SysAllocString((WCHAR *) L"system");
5 E& Q9 x! v/ g6 s7 }1 ~! T VariantInit(&requestVariant[1]); ) t0 w2 B+ h; [8 Q/ w
requestVariant[1].vt = VT_BSTR;
8 x9 X: F+ E& d( J requestVariant[1].bstrVal = topicStr;% V- r* @1 ?3 g0 M' Y9 r/ p
" S( T. k. J( X5 E3 v. R% ?9 i# d( X// Set the DISPPARAMS structure that holds the variant.
( j) b& l8 N$ K% k: H! G
2 X' I/ b5 ^/ z" R* B dp2.rgvarg = requestVariant; y {+ z* J$ s8 i3 \ P
dp2.cArgs = 2;& ~8 o. v+ Q1 M, Y B
dp2.rgdispidNamedArgs = NULL;
. Q3 X: }# \# A" g dp2.cNamedArgs = 0;
) X5 R, {- v E1 R4 M! k- e5 x& r5 F2 h; u( s8 j6 b9 o2 J
var.vt = VT_EMPTY;. Z' I6 C2 t5 o* ?+ H% C
, e$ g- @/ k `// Call IDispatch::Invoke()
9 e/ }0 c" v7 Z# @ m& |1 A+ G" v$ u1 `0 Y5 _
hr = m_pDisp->Invoke(7 ?7 p$ L9 G2 H3 U$ J" c
requestID,
% D2 \7 d& o$ {7 D: U IID_NULL,# p+ O& r9 X2 y% B. U, E/ A5 ^- h
LOCALE_SYSTEM_DEFAULT,5 t- a2 f: ^% x
DISPATCH_METHOD,/ b- x5 Y# j! g8 P! b$ z! K8 j
&dp2,
+ U' _$ H3 m0 t" h7 m9 z &var,2 n' N2 L3 x E& m1 s
&ei,8 u$ X# f8 M; y* R
&uiErr);6 r- H* X9 G% s+ g3 q% [
7 Z* W R( J, L8 i: R7 O1 t( W SysFreeString(topicStr);
$ U; P2 ?! q. M1 a$ m3 V SysFreeString(itemStr);
' l( J9 o3 Q; c& Z请问该程序是获得extend里面的哪个值?! p3 \4 t& V- r: v" ]- b- ~; [
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???? |
|