|
|
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:1 k3 k" S" c) V( Y
Name = (WCHAR *) L"Poke";
3 ~. E2 M( E$ X
: q7 R' @7 [5 Y3 k, h; \4 _ hr = m_pDisp->GetIDsOfNames (
+ n& U! q7 M3 s) T, i IID_NULL, // reserved( R9 S9 D5 `3 @
&Name, // Array of names to get IDs for
; T+ A& Y3 v. r1 ~' W 1, // # of names in the array1 L- c" v+ T1 {) v( ^% s. d
LOCALE_SYSTEM_DEFAULT, // System locale! L; [5 E x( X& n
&pokeID); // Array of IDs to fill on output
% F2 J: y! m6 a- y0 p' l6 ~( k% W 3 Q) m7 X% _ X/ ~) |- Q5 ^9 S" E
if (hr)
" L/ t2 a7 i" G/ B( ]5 f8 T: B {: ?0 \- `7 d5 Z% l @" C
MessageBox ("Get Poke Unsuccessful");
5 n& S) \2 j4 j return;
% d* t0 w7 F( Y. t) P1 Y+ p }/ g4 I# D6 ^4 S9 X
# {& p' _4 @2 p9 b: S
/**************************传递数据给extend**************************************/3 k8 p5 W& j" x
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
5 C/ T9 s9 h* s( c ! J' {; }, S/ K. l" R$ B
valueStr = SysAllocString((WCHAR *) L"1232");
, N& L S6 v) B/ U) S/ P VariantInit(&pokeVariant[0]); 2 o" b H$ h1 K7 A* M
pokeVariant[0].vt = VT_BSTR;& w% b. s$ x7 O
pokeVariant[0].bstrVal = valueStr;
. I$ u3 q% k$ p7 `* E
) j+ K( S0 @' S$ c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; u0 _1 O2 Y |, _" z: u, `9 E
VariantInit(&pokeVariant[1]); , T4 u- T, G0 L
pokeVariant[1].vt = VT_BSTR;; ?& z) c; a' n1 L
pokeVariant[1].bstrVal = itemStr;
9 K( K x' _8 {5 b
. P5 o: g, F |* \& F topicStr = SysAllocString((WCHAR *) L"system");
# p8 ~. ?2 g; l& f- F VariantInit(&pokeVariant[2]);
2 C' q7 j" d7 R, h; W6 l9 R- G6 B pokeVariant[2].vt = VT_BSTR;4 A$ W5 F* f; Z3 I& i4 Z
pokeVariant[2].bstrVal = topicStr;
! P/ n- D6 t1 }+ A- r( B! s8 W1 }; H) e; Q1 r! [# }* B
// Set the DISPPARAMS structure that holds the variant.$ ^# B0 Y/ }; A) I5 D# F
8 b: I2 J8 j# B9 `
dp.rgvarg = pokeVariant;* n% n9 v: D3 D) k- |2 w% ~
dp.cArgs = 3;
, T- o6 r r- i; A1 |& X- }' ~ dp.rgdispidNamedArgs = NULL;$ W! w; o" g) W# p: a6 F& T; f
dp.cNamedArgs = 0;0 \/ o- h. y3 C; t3 z; O* Q
/ r5 ^% x7 I( b9 c* I4 n6 ^7 q5 c// Call IDispatch::Invoke() E/ J. Y( J! @( q9 y) k
9 x- e- t" L' w; Z, l, Q, u* n7 Q- k hr = m_pDisp->Invoke(
8 E0 B, N* c; d, C pokeID,
4 {) W, @4 o6 C1 S c5 D IID_NULL,& _2 Y8 T2 y1 G% e
LOCALE_SYSTEM_DEFAULT,
* X; e8 A& H/ S2 v$ x6 x DISPATCH_METHOD,
1 e) Y3 _# C6 g2 A &dp,
! A" p9 |0 U3 S( [) f$ l NULL,; P) y9 z- Z# W
&ei,
% {! J, P" w" j &uiErr);
! I" r/ r" y1 `7 T6 h# U9 e6 g3 U5 j; u1 P4 q
SysFreeString(topicStr);
( D3 d; W: O$ o2 u. y! X+ V SysFreeString(itemStr);
3 S0 l) R% f# j SysFreeString(valueStr);
0 \' }4 j9 X3 t3 f* [6 j! {
" U; t3 l# j8 q+ c: C! S* ~! k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 q* h( |, o0 d5 c& D5 a3 u
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????2 J" t Q6 }8 N( s: P2 ?
# f0 }; S; v) Z$ k
) r( \; H7 s0 W" h# \) K
2.这是request的程序
" m( M) A" H% q// Request a value from Extend
8 m' o5 T! T7 b8 r* _3 u//5 }! U1 \. _# f7 a* [8 a
// Initialize the variant that will hold the BSTR. Set the variant's9 ?8 M1 c% d# J/ |7 |
// type flag to indicate the fact that this variant holds a BSTR. Place the
. i. p% E9 `) }; u6 q0 E! k// BSTR into the variant structure.' z3 l! u- \" v2 P
! r) K) }% Z# Z! ]6 f: u requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
7 E7 e j/ a$ `/ H/ ?1 f
8 m8 A& \8 Y2 B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 c% y$ G; v. R- L VariantInit(&requestVariant[0]); . q K8 M u8 ~; W6 \6 S: O0 n
requestVariant[0].vt = VT_BSTR;1 ?4 ~4 k6 P, X% H6 X7 p. l
requestVariant[0].bstrVal = itemStr;6 W' ]. D& L! q
2 \+ N. H% s6 _5 u( d5 k$ H* z+ y7 h
topicStr = SysAllocString((WCHAR *) L"system");" r. B" ~+ ~* ~ V9 {
VariantInit(&requestVariant[1]); l4 e/ K* i3 ~/ J* a, e1 e
requestVariant[1].vt = VT_BSTR;
1 Y% N7 R3 l' v# m& X5 ?5 U requestVariant[1].bstrVal = topicStr;0 k' ~4 V1 @5 P+ H3 P
$ Z% j# j- t' m1 C
// Set the DISPPARAMS structure that holds the variant.1 `* V+ }! F( B* U8 ?2 T
2 _, b: e% X; N7 D# J; Z* M
dp2.rgvarg = requestVariant;
4 v& r+ |) P6 g% u E! X6 @6 W3 N6 c dp2.cArgs = 2;4 E/ ]% e8 n6 ^" D9 Q
dp2.rgdispidNamedArgs = NULL;) y* I {! T/ c3 d# n* T+ B
dp2.cNamedArgs = 0;+ F1 B1 p: }( W1 C! J' U$ t
: o8 |& o* b$ f. z- k: x" A
var.vt = VT_EMPTY;9 s# o9 F) m' x g5 ?
8 K1 x3 L' \8 P8 k* j. g+ d// Call IDispatch::Invoke()" V) h/ ~; ~9 i8 M
0 a$ z5 Z5 G# I0 z- _
hr = m_pDisp->Invoke(* A9 Z, o+ [& t' b/ s! M, J# D f4 J
requestID,
/ B- F; i q z: D3 F IID_NULL,
; V5 z& W5 W- Z" ? LOCALE_SYSTEM_DEFAULT,) P6 o/ G& Y* n2 H( s k/ i
DISPATCH_METHOD," k Z4 }* v6 l1 l% ^, k" w
&dp2,! G. P& c5 F( u: [' Z
&var,
6 M0 Y7 s& _0 J" c6 t9 [+ u5 v8 f &ei,
0 q# B9 A: n" l &uiErr); J6 {2 c7 Q! B* W
2 @& G) I2 S+ } w6 m6 }' m
SysFreeString(topicStr);0 m0 v( }1 I" Q' E
SysFreeString(itemStr);
Y3 W* r' z9 g请问该程序是获得extend里面的哪个值?2 E% T. x& p# H
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???? |
|