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:
- H. W/ D9 G+ W9 U- v6 G. v) m Name = (WCHAR *) L"Poke";
& K+ W- A% d1 ^ ! F3 N0 r% |* Z
hr = m_pDisp->GetIDsOfNames (
0 U$ D. D) D$ S IID_NULL, // reserved$ ?1 f; m; E; Z% s- j
&Name, // Array of names to get IDs for9 C* x! |& }2 D3 ?
1, // # of names in the array) A& J' Z4 o. V& F9 ~6 d8 G/ h5 S
LOCALE_SYSTEM_DEFAULT, // System locale
2 ~( j* e' t F) Z& |0 O6 p &pokeID); // Array of IDs to fill on output. y: \8 z+ }: u3 F
, b8 L, _- p1 c' J" U; j) r& D if (hr)' v4 E- l3 P- [8 b
{& O. q6 |% |3 y+ k! T
MessageBox ("Get Poke Unsuccessful");
2 T- z& ?1 R: k return;
8 w: t1 T' ? P }
+ o+ _5 r3 K/ J3 {' a* n4 _ 1 B: p2 ^/ M6 u
/**************************传递数据给extend**************************************/
9 A5 j0 T9 B5 V3 L3 g- I W. s pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 \# Y0 s6 D( ~$ B( a# L) n
; ]" {; V3 O* d7 B2 H1 Z3 Y valueStr = SysAllocString((WCHAR *) L"1232");
: ]! {$ ?$ P9 T4 R* p VariantInit(&pokeVariant[0]);
2 W/ L5 T- m: d- O& f4 U pokeVariant[0].vt = VT_BSTR;9 H" w3 M& `, l$ C, d% t
pokeVariant[0].bstrVal = valueStr;5 X0 w* r! T& X2 S9 _4 K6 R
, z. \9 |4 d" r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 k u! B. b" T- k6 p
VariantInit(&pokeVariant[1]);
/ U8 l2 w3 U, i+ b' y1 K* q pokeVariant[1].vt = VT_BSTR;7 k* F% j+ Y' b$ [
pokeVariant[1].bstrVal = itemStr;. [6 Z1 i) B, Q! W; L- S% Z
4 j( f; ]% m, J topicStr = SysAllocString((WCHAR *) L"system");% [& L" e7 U' g8 g; r9 q$ o% z8 `; a v
VariantInit(&pokeVariant[2]);
2 `& s' o6 T7 D! D7 k6 m pokeVariant[2].vt = VT_BSTR;
$ {5 p! `0 m& P% }% _: ^7 F pokeVariant[2].bstrVal = topicStr;
/ L$ K3 \7 H) k3 t- y$ p& ]
; f+ }& v1 j+ ?0 |! R // Set the DISPPARAMS structure that holds the variant.
/ w0 ?7 f V. e
6 H8 r: k1 v5 | dp.rgvarg = pokeVariant;
* w0 v% k7 I) T* F. G dp.cArgs = 3;$ S; _. C, q! s3 U: P3 Q" ~+ D1 K% t
dp.rgdispidNamedArgs = NULL;
! H: o' v+ D' O dp.cNamedArgs = 0;1 A* G1 Z H( k/ z
0 N+ r/ r4 N2 D; w% q
// Call IDispatch::Invoke()! B5 @" L! d" n# l& g: Y. i
% h* c: ^3 t: ~! f6 O8 c; Y5 Z
hr = m_pDisp->Invoke(9 m+ n; F8 W! @3 g$ K% Z( z( ]; E/ {
pokeID,) k# J6 }; j# ~! ?6 J
IID_NULL,! x& `2 r! y' M: I
LOCALE_SYSTEM_DEFAULT,
# y3 r" A, j) y' N& w9 v DISPATCH_METHOD,
A |' \5 J% ~2 F &dp,: }5 Q! D4 @# k/ }! a
NULL,5 B0 ` e- }) [" d3 C
&ei,- w" [9 X1 S% n
&uiErr);* L* Q( d- Y. {, D% s
3 F+ V& E' A1 c& P% p SysFreeString(topicStr);8 _3 S( S& Q; c
SysFreeString(itemStr);! X+ R/ y9 ^; d& v. w! b1 W g
SysFreeString(valueStr);
; J3 y* ?- h, `: ]& ~ 7 T: ` J# P1 j: J# l" ^6 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???; [3 a& q1 T$ c; a9 D& k7 c0 j
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????
, o' |+ [. C6 n& @) v
' V6 [5 q6 x5 z+ o q+ s 0 a5 @# \8 J7 B8 q$ B
2.这是request的程序
8 T. U/ [7 W4 \6 K" H1 f // Request a value from Extend
" |0 o5 K' R- B' l( q& `1 p y //% A" e+ _ |; \# {6 \. F
// Initialize the variant that will hold the BSTR. Set the variant's" \: o( X& M8 B/ G+ s k5 K
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 N# {; w2 l# L; {+ U // BSTR into the variant structure.
0 ]; z9 L l, t1 k7 t% G , s5 t1 F6 N& J) |# E9 g1 ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
( @. l' E7 ^; e$ u, A" h: P: g
) X2 ^7 J5 q* `9 f5 ~5 p) l) E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
X( f8 T' h. _9 r* p9 I) e/ E VariantInit(&requestVariant[0]);
- Q1 r# l- ~( p5 | requestVariant[0].vt = VT_BSTR;5 I8 D+ v% D! L0 |" V! }8 W2 L* W
requestVariant[0].bstrVal = itemStr;
+ D4 a1 _2 h. ]$ B3 w6 L8 Y4 M : u7 k% q4 ^( w! h3 O
topicStr = SysAllocString((WCHAR *) L"system");: I* c8 L! Q3 z3 _
VariantInit(&requestVariant[1]); 7 s2 B( o; e" y6 a) F
requestVariant[1].vt = VT_BSTR;
* D4 q* L1 r4 Z& r9 T1 {" m# A requestVariant[1].bstrVal = topicStr;
; v' x, ]" W; B& ]* b + x6 v4 T: H. I& Q- f% N
// Set the DISPPARAMS structure that holds the variant.
9 k3 F) _4 l; S9 r / f! z7 w/ R+ t& h) ]+ m5 m# T9 T
dp2.rgvarg = requestVariant;! A& U5 p1 ]4 d0 u
dp2.cArgs = 2;
- V6 `' T& o8 L1 P6 ~ dp2.rgdispidNamedArgs = NULL;
6 d6 s8 I: ?# M dp2.cNamedArgs = 0;
, S1 Y/ X- o$ G. O! Z3 H
- ?* R0 ]. ?+ x% e( j5 z var.vt = VT_EMPTY;
, M8 |( \8 h9 \! I$ {7 W ! d% S1 S( Y: D
// Call IDispatch::Invoke()2 _1 T3 Q, L- B* j3 R- h% [
( x' f' ~) g' y( C' x4 u hr = m_pDisp->Invoke(
) z# `( S& c8 e requestID,8 _/ ~6 t8 W _! a8 I
IID_NULL,: l# F, K5 h1 H4 x9 g
LOCALE_SYSTEM_DEFAULT,
; u/ ~2 S y4 `. u DISPATCH_METHOD,
" s4 y$ A, s( ^( A$ R7 N &dp2,
: p! X2 {# \) Y* N, F7 Q5 X# y &var,
5 N( u9 B: l+ Q( I$ g( U &ei,; e% Z& n* {" v* ]5 |& m7 k
&uiErr);
0 z- P" u0 r' d" i; c " ~5 v( [: A4 H8 g( K
SysFreeString(topicStr); z+ H6 [6 ]+ F3 n& w5 c
SysFreeString(itemStr);) _: j. n1 x& x! w' s: C
请问该程序是获得extend里面的哪个值?2 Q# e9 _' E2 o, w7 F6 [
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????
我来回答