|
|
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:
( i" k8 i. O4 J/ F3 r" QName = (WCHAR *) L"Poke";7 D. p, E3 t( d
7 V, A3 g9 }. [
hr = m_pDisp->GetIDsOfNames (
; N6 t: g t/ |/ j# g" K7 u, C7 t IID_NULL, // reserved/ |4 t/ V5 q3 L1 {% [, I
&Name, // Array of names to get IDs for# s2 L! m0 X+ n7 h, @# F( ?8 L9 t
1, // # of names in the array. z4 H, G/ I: s
LOCALE_SYSTEM_DEFAULT, // System locale
) L- `" M9 p5 ?5 n7 `; Z% T9 r &pokeID); // Array of IDs to fill on output! s! p# L0 E9 p( R* V
2 P+ @% J1 F1 c& s) Y2 W
if (hr); I' j G' _: P: i. \. b' y
{9 d/ R) Z% v! O, q# _7 a# g# V2 _
MessageBox ("Get Poke Unsuccessful");
8 b* z" v( m8 @, ]+ c return;6 j3 c( g9 Z* I5 b8 [% f$ h. Z; r
}' t' ^* W0 J) B7 A+ t3 E
/ } c" i8 T/ `1 w) H) e/**************************传递数据给extend**************************************/ f2 S, R( ^7 Y- t. j0 ~: F
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 I2 m. T- m" h# p( k# q ; p+ |4 [$ Y+ T" T! H" s0 M# c |
valueStr = SysAllocString((WCHAR *) L"1232");" Z& f! w# r( Z3 `& l( Q- V) T
VariantInit(&pokeVariant[0]); ) R* N: x, v. H& i
pokeVariant[0].vt = VT_BSTR;1 {& I/ i2 F3 H& d
pokeVariant[0].bstrVal = valueStr;. i1 e& U$ F" R, [$ v) _# x; O
; v8 X9 y. a1 F; C1 H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! z6 r0 v; V2 M+ ?0 q
VariantInit(&pokeVariant[1]); % J. Y% J5 p7 j& d6 D# q
pokeVariant[1].vt = VT_BSTR;1 Y2 w. c" ^" d8 V: R1 G& a& |8 }
pokeVariant[1].bstrVal = itemStr;8 t* u2 S4 c: S6 W( N) [# ~- T% G9 m6 N
- G* Z+ g; ?8 I
topicStr = SysAllocString((WCHAR *) L"system");
0 f1 k5 G4 K7 z1 G' R- o! p VariantInit(&pokeVariant[2]); 7 Z& j3 e, ]" S$ w: z" d
pokeVariant[2].vt = VT_BSTR;+ O, [( W6 V6 h/ V) l
pokeVariant[2].bstrVal = topicStr;% `7 V+ m5 I/ Y" z4 Z& e# x
# W" g! e S* F7 B. n$ a
// Set the DISPPARAMS structure that holds the variant.& Z# T* @4 j% d0 U4 v6 m0 U; ~
6 U7 {! f; _! S* f F
dp.rgvarg = pokeVariant;& L/ z' X/ P9 J$ _2 F' R
dp.cArgs = 3;- i$ s, {2 f2 n
dp.rgdispidNamedArgs = NULL;
. ]! N% K; s2 P% q+ }( c5 _ dp.cNamedArgs = 0;0 s( v4 J* x6 C% v; j$ L
y( ]' F& p! b6 X
// Call IDispatch::Invoke()
3 D6 x! ^) W4 ^/ B2 N3 g- j& W5 c$ w+ ~% N* Y
hr = m_pDisp->Invoke(
, Z* p- m! O# W$ D; c pokeID,
' V [ r) m" `/ n$ y/ I IID_NULL,7 u) G# E* U- V, x
LOCALE_SYSTEM_DEFAULT,
) y5 q/ s% r ?& z# i5 ^ DISPATCH_METHOD,
! x8 z: Q0 Z* J" N! b &dp,
`, l" N+ o" p# G$ {0 [- x% |8 y' i NULL,/ Y7 P) E# w' X% {7 y3 M
&ei,
t( u4 Y: }) g& ^7 R0 k! L% Z0 U &uiErr);
" U; P( D( ?$ [ `% \1 T3 z E; {3 ^7 l! ~$ \+ m
SysFreeString(topicStr);
l. a; n7 S# a! Z SysFreeString(itemStr);
4 [! u' l! N4 f* ^; I& N. A2 E1 e SysFreeString(valueStr);4 Z7 Y/ u, U2 l2 }: n$ F
0 F3 j+ L' z$ T3 D3 V) ~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???
# F4 \# D. Y5 q& D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????
" \' Q/ c$ a( g; q @
; V- x7 d- C* y) n4 h. [& T# S; o3 Z: a# P4 u) B/ T
2.这是request的程序# T% [& h8 K) W" d
// Request a value from Extend
) d1 s5 f0 R& s& P8 W8 p* `, ^" b* o//
' W# M# b6 N* V% m// Initialize the variant that will hold the BSTR. Set the variant's* x. I' Z6 c, m& W
// type flag to indicate the fact that this variant holds a BSTR. Place the4 s" }% F9 J: f; w- T3 C
// BSTR into the variant structure.
! R5 k' C4 m7 ]; g
2 I9 f) F4 J: ~* }9 o! ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ B1 N5 G( Z: @: c
3 q% T+ A! I. K9 q$ V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ ?, L! U' j/ _# s VariantInit(&requestVariant[0]); / A) a. ~. g" Z) }; W9 e$ S
requestVariant[0].vt = VT_BSTR;. y* a: e/ K: U! ]% {! w
requestVariant[0].bstrVal = itemStr;4 P6 u1 y9 m M3 R/ |! u
9 c3 V# j& z; V
topicStr = SysAllocString((WCHAR *) L"system");
, J$ O, v/ @/ E5 A+ c& E9 @, v VariantInit(&requestVariant[1]);
' ~5 y( I( T. F L: G9 v8 | requestVariant[1].vt = VT_BSTR;2 T1 x$ n+ _* P
requestVariant[1].bstrVal = topicStr;
3 R7 O$ O( y n! k7 i% x6 l/ T( Y5 d. }: O! o
// Set the DISPPARAMS structure that holds the variant.4 K1 e8 A" a" ~/ q9 ~: L
7 _( g! w! X z dp2.rgvarg = requestVariant;9 M/ q& p+ D* _. R0 N8 H
dp2.cArgs = 2;" D* q0 t4 r4 R- O, R0 Y$ F( X: z
dp2.rgdispidNamedArgs = NULL;" T9 H& ~! @' L
dp2.cNamedArgs = 0;
/ W# M5 g4 H7 Q( _/ |) G+ T* Y# q: H
var.vt = VT_EMPTY;
: T6 _* e" c& R+ p
/ ^4 V+ F; f4 @. ?3 b8 O: j( }// Call IDispatch::Invoke()
$ H: Y4 I1 e- Z; U1 x
! }: d% \- I3 m( T5 s8 a hr = m_pDisp->Invoke(
; C6 J9 j9 e! n H requestID,
, y8 W7 o/ o3 n2 ^" l% R& I IID_NULL,
! {, a, ]( z1 u, U LOCALE_SYSTEM_DEFAULT,4 v. j" n" s. X1 b V* P2 @$ j6 W
DISPATCH_METHOD,
6 |2 J0 x0 i: ?5 Y+ e9 j( x6 } &dp2,
3 j, q2 A* B/ l8 P5 i, g- ? &var,
7 }+ b- U6 a1 @( L; n- O7 D8 ^ &ei,6 x) B9 y7 V* B. v8 Q3 u# r
&uiErr);
) j4 ?2 E& }( d6 h- ~! X- t* a$ d, g0 L9 q8 Z" X, {% k: ~2 P
SysFreeString(topicStr);2 B1 ]% g) Q& [8 _
SysFreeString(itemStr);
; X7 V8 h* I" N! L+ N1 z; R. |请问该程序是获得extend里面的哪个值?
$ g9 e& G9 e. P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???? |
|