|
|
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) t& B F% h& \6 a5 J
Name = (WCHAR *) L"Poke";
- h7 Y2 R# ]$ J! a
6 n' r2 N4 m* j! g hr = m_pDisp->GetIDsOfNames (
+ n: C. k7 E- Q" T" B IID_NULL, // reserved! H+ ^! x# [# n, A9 N
&Name, // Array of names to get IDs for
- j4 I( V3 l- i T- J6 \ 1, // # of names in the array
2 Q; G' ^( o0 S+ i- g LOCALE_SYSTEM_DEFAULT, // System locale
6 C) ?) |- U, i+ w' I7 E &pokeID); // Array of IDs to fill on output
; V. R& d$ F0 f% `3 ^3 S/ Q+ K( }$ {- h
8 H2 a5 a8 `8 Q9 u: G3 N4 f: a if (hr)5 s" z& X* Q. x# f
{, y0 r% E- V/ t9 j
MessageBox ("Get Poke Unsuccessful");
8 P& ^7 x8 O8 ?' Q return;
% ~7 c" v' H, H1 m. n y+ h% Z }
2 h0 |) U* ^# s- {7 K3 ~
$ s0 o; U- g% g% x! m/**************************传递数据给extend**************************************/
+ ]& v5 H5 q) j& W+ b# h# H pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
0 Z7 ~ W" \" ~; y# i5 j8 H + n" @+ A3 ^0 `5 S* S& \; R" b* s
valueStr = SysAllocString((WCHAR *) L"1232");
8 Y; j/ _$ x0 l2 N7 ] VariantInit(&pokeVariant[0]);
% D; \9 a" v: l6 i" H pokeVariant[0].vt = VT_BSTR;! s3 R1 V9 q5 Q, U8 |4 X) \" g# J
pokeVariant[0].bstrVal = valueStr;+ Q) \( {7 N2 U2 C$ I. e9 [8 ~5 o
6 b. S6 m. X+ w) ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 l2 o4 Q" ~9 q9 O! u4 \3 \
VariantInit(&pokeVariant[1]);
T, y7 E; S4 q pokeVariant[1].vt = VT_BSTR;
( _& V- K+ ^7 N' s! [ pokeVariant[1].bstrVal = itemStr;
0 j: p0 I% B+ U$ r8 ~* R
7 R d: H& v1 [5 y& Y topicStr = SysAllocString((WCHAR *) L"system");/ @8 t. k& J- x, `% Y
VariantInit(&pokeVariant[2]); 8 f& H) _9 } Q. m' b8 E
pokeVariant[2].vt = VT_BSTR;
( D8 _3 i8 @( T7 l/ @ pokeVariant[2].bstrVal = topicStr;; ~9 f8 t: F, `
" W7 r5 G1 }9 `' i// Set the DISPPARAMS structure that holds the variant.
6 o9 C4 ^1 o( b4 l% D% I7 s6 p& q: Y! t7 u0 ]
dp.rgvarg = pokeVariant;
! ]1 P4 S& ~( {: f dp.cArgs = 3;
3 N/ ]% q2 a& n- m) Q; E7 t dp.rgdispidNamedArgs = NULL;& c+ I$ d( V2 |) @6 x# a
dp.cNamedArgs = 0;
1 `' p' p5 e9 ], j6 h6 u/ R' I
7 l6 Z; x9 U4 i0 L! c8 k2 {+ o// Call IDispatch::Invoke()
/ V6 ^1 G' k: r0 x1 l6 G& i: J% E9 e9 H1 k# }9 l4 `0 E
hr = m_pDisp->Invoke(
5 c& G( Y4 j% X" ?+ q" o pokeID,1 A7 P( x& U( Y( [ L* u t6 k
IID_NULL,8 @6 l: K6 U, H- K3 x6 O* S' Y
LOCALE_SYSTEM_DEFAULT," Z9 F9 Q+ \* Y9 `# X, P
DISPATCH_METHOD, R/ f! n, A+ U9 X/ w [& M4 b0 `: L0 y
&dp,
0 b: L" y8 s' J+ { ]! C NULL,; r: w8 Q5 C6 l. W
&ei,3 B$ W; V, d& H* H9 v7 h
&uiErr);
( ^0 h f0 U& ]( Q
7 x4 N+ E$ {) h SysFreeString(topicStr);
4 @! y& k: e9 ]9 R SysFreeString(itemStr);; n _3 }. b3 q5 n
SysFreeString(valueStr);
$ O% n( p. v a" A1 v
& ^% u$ ~3 j2 ?) o8 B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？？？
; z% W) J% h1 d- a$ ~3 {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？？？？
1 A F1 c2 h: }3 B {
3 k2 P2 G+ ?; J% k6 O* R
, Z- _7 s6 P( b% V8 i6 ~2.这是request的程序( e: G6 v% ]- z# S
// Request a value from Extend) E' D W5 m& y5 r; m8 N- `' U
//
9 G4 s' w a* d: k4 b3 U' i// Initialize the variant that will hold the BSTR. Set the variant's* ?/ _. x. K- ?' R1 t" t
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 N8 Q) W2 r5 g1 o {; U+ _// BSTR into the variant structure.; I& Y: M; `, |: b* y
3 _' h X* e) K5 [7 r# ~9 p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 }" W/ Q/ H# Q+ Y# o+ N. P. [; P
9 F2 J# Y8 u ^0 \ m& W8 u* w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 I8 N4 ]/ z( p& d. a* n6 X/ W VariantInit(&requestVariant[0]); % v! E) s. h: J: f' n. f6 M% I
requestVariant[0].vt = VT_BSTR;
9 _$ ?# X/ `4 j$ z9 ~. `! Z requestVariant[0].bstrVal = itemStr;
: A7 N( U$ P: K. j6 h9 H# i' O
# I* I# g4 I3 F6 K topicStr = SysAllocString((WCHAR *) L"system");
% W9 \3 g" g1 t4 {0 R* K, O VariantInit(&requestVariant[1]);
% U& w+ o" f% z: | requestVariant[1].vt = VT_BSTR;
2 U! } |$ Z& x& t( C requestVariant[1].bstrVal = topicStr;
% `+ `' |* E. ^( D8 o. p4 j
9 x3 I4 q* c* U, ~2 c* ?// Set the DISPPARAMS structure that holds the variant.
) P% {( w* ]" P6 z* G# b& M
* M# W6 a9 }6 X7 D dp2.rgvarg = requestVariant;
* X) v6 o: k. g! d2 `3 g dp2.cArgs = 2;& H1 w) Z ], y& o
dp2.rgdispidNamedArgs = NULL;
4 _" F: F: d) g) m$ z6 } dp2.cNamedArgs = 0;9 o9 {8 V/ q- [. D
+ o8 W8 J6 R$ @/ X2 u( Q( x var.vt = VT_EMPTY;. L) u0 a1 s: W4 |+ K- V
- v# r0 C! T5 K2 g! b. `9 Q// Call IDispatch::Invoke()
]$ v* U# J* _$ H/ C, v" Q
* \$ @/ I. j5 c0 o hr = m_pDisp->Invoke(& w9 }, w# Y+ K: ~* \0 _
requestID,4 S0 c3 f7 j# M& h6 {( L
IID_NULL," x/ A- v+ x$ [) |9 O2 v% C$ l) _
LOCALE_SYSTEM_DEFAULT,
/ u2 b4 E5 \3 Q2 Q+ C' q* t DISPATCH_METHOD,
% L* r' P( W8 U0 t8 @' p &dp2,& _! L# X: D9 [1 a' K% v
&var, ?- ~9 S* v4 \/ _9 a9 a2 s+ a
&ei,
# t! P! @6 `8 q: _2 J4 i" V &uiErr);
5 Y8 Q! C& j" w3 m7 u
6 c; Q% v9 ~& }$ Q& |0 M SysFreeString(topicStr);+ j; Q: \8 T) V) i, G" j; t/ y/ i
SysFreeString(itemStr);
5 T7 R6 d% S! d% Y8 F1 |请问该程序是获得extend里面的哪个值？/ q0 ? z% r! J4 `
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？？？？ |
|
发表于 2008-11-25 19:37:03
