|
|
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:9 r0 P8 T7 u/ |3 b0 @- y
Name = (WCHAR *) L"Poke";; j& B; H, {9 b" O
2 a; U/ L# F/ k: v- p& N hr = m_pDisp->GetIDsOfNames (- M6 |4 g9 g0 d
IID_NULL, // reserved; _: ?/ ?/ c V4 n: K
&Name, // Array of names to get IDs for, I( K) N+ p. A6 c+ V; F0 h: r
1, // # of names in the array& M' l( U c( O/ t' m: _/ }* W
LOCALE_SYSTEM_DEFAULT, // System locale
' p. ^! | ^# R# C4 Q &pokeID); // Array of IDs to fill on output
3 r2 g7 w' g# ` G& }/ V6 C5 ~ 3 S+ E6 \' m. w2 {7 O% h# Z
if (hr)$ w& U- @0 a; z
{6 S' \" n$ I' W7 P& F
MessageBox ("Get Poke Unsuccessful");9 o: Z8 z- C3 C; I
return;! P$ ?3 N( E" Y! t7 B) }
}
. _3 w" _! G0 W
1 o7 q& V/ O0 A- r/**************************传递数据给extend**************************************/& R9 V& p3 l) Y5 I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
! A# ?' i* z' ?) }" G, I$ | r
! R9 n, P3 \0 b0 o- s$ q* C valueStr = SysAllocString((WCHAR *) L"1232");. t$ @- c( J3 @
VariantInit(&pokeVariant[0]);
; b& b# h, p% U' ^) U pokeVariant[0].vt = VT_BSTR;
) _% T/ P1 h% f6 }6 _! K i$ X pokeVariant[0].bstrVal = valueStr;0 G7 o( K) R$ u
! I( a( W8 o4 C5 k; q ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- t3 S& U, }% f4 Z VariantInit(&pokeVariant[1]); ; [$ |: v: l' F2 E/ m8 X' B
pokeVariant[1].vt = VT_BSTR;+ r l: p! d' k0 \& T
pokeVariant[1].bstrVal = itemStr;% }" h, L6 l+ G# Z
/ H4 t r0 C" T. N f topicStr = SysAllocString((WCHAR *) L"system");/ `' L7 Q" r( k- U7 l9 I. _2 u
VariantInit(&pokeVariant[2]); " a) ]1 B c4 v6 V/ E6 {
pokeVariant[2].vt = VT_BSTR;
4 o3 P- U* V3 ^0 Z v pokeVariant[2].bstrVal = topicStr;/ V1 p2 [+ T4 |8 |
! p3 o0 {0 Q t/ m
// Set the DISPPARAMS structure that holds the variant.- E, D) y0 o4 X. Z7 _1 g# W3 C8 _
# y3 X% T' ?5 l( k+ a
dp.rgvarg = pokeVariant;
/ u/ ~" O/ R6 }1 S. V4 m. b% D dp.cArgs = 3;- f" v# s/ E) `
dp.rgdispidNamedArgs = NULL;
7 x5 B( ~. K% v+ o d5 Z1 U5 D! {% e dp.cNamedArgs = 0;: x! k; ]( i) X% S( ~! T
, w- t3 y, j8 J7 o
// Call IDispatch::Invoke()
* v1 {! {, `8 [, ]1 t# E: t! o$ V7 r9 R% F& S" I" L2 ?
hr = m_pDisp->Invoke(
( X5 k6 E6 o5 l f pokeID,
- w C: i( |0 B# T IID_NULL,
$ C. A: Y1 p1 ^2 L) g( \0 ] LOCALE_SYSTEM_DEFAULT,0 t0 {5 s4 L" y5 C9 p# o: ~
DISPATCH_METHOD,
8 n! ^' [2 i; i% L t &dp,
' w% @: h; i) T9 w! [# a NULL,
H8 H8 S1 X- A l& [ &ei,, `" I$ @ d+ Q m
&uiErr);: Z; u2 [4 [) c% g$ M
7 F( @& l$ o q
SysFreeString(topicStr);8 S, K5 L" T" W* j3 h0 x
SysFreeString(itemStr);
( Y' ?' o' Y$ [' w! N8 M& R3 y SysFreeString(valueStr);
/ N- B& }: U+ [! E- u4 W% p6 O) R9 Z" s0 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???
2 K' M/ S8 Y5 y4 ?; _8 C3 `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 ], c8 Z n. w. |2 e; D
4 Z) _( x; ^! t* a. K4 @6 [: G0 e% g% p
2.这是request的程序% N* ^! n* m% o2 `1 E
// Request a value from Extend1 V( _( ~! Z: {
//
' X3 v, L% n+ D7 o6 ^// Initialize the variant that will hold the BSTR. Set the variant's' Z+ J" d, L! e: ^1 f) D
// type flag to indicate the fact that this variant holds a BSTR. Place the t4 X0 d. X; M3 `
// BSTR into the variant structure.) Y1 [; d6 j* Y. Y8 u
2 ~5 O$ N \! `8 a4 p
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 a7 J" Q0 c. \" ?1 ^ r2 Y
7 ^/ o9 S8 _; g- @& h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 `. ~/ R. U$ t- W0 a
VariantInit(&requestVariant[0]); 3 Y# G: K1 h# f% {& [
requestVariant[0].vt = VT_BSTR;
" D+ k4 [0 [8 K' N$ a requestVariant[0].bstrVal = itemStr;
, e; i: M+ m6 `- u/ W
5 Q5 c0 G- L3 s/ a: N3 [6 J topicStr = SysAllocString((WCHAR *) L"system");8 R/ v* {; x+ h# I
VariantInit(&requestVariant[1]);
+ X ]6 f* v! a( X+ b: Y requestVariant[1].vt = VT_BSTR;
" M. W4 d z8 p requestVariant[1].bstrVal = topicStr;5 |! @# j1 z, B1 }9 G
; r6 q! ]# i$ D5 m% `! F// Set the DISPPARAMS structure that holds the variant.
1 [ \- x! M! V, s- Y7 H0 m/ d* ]! b+ z$ U0 j
dp2.rgvarg = requestVariant;; q6 f V1 ~3 h' H, c. ^
dp2.cArgs = 2;
" N+ |* L* Q' B, s! [ dp2.rgdispidNamedArgs = NULL;
% M: H! C( ]2 y- q W1 L dp2.cNamedArgs = 0;) @3 O% o/ E/ N* i: ?9 P
- F8 r0 s+ ~! G$ L4 `7 F
var.vt = VT_EMPTY;
$ K' i4 {3 w& L# f' a9 h0 r; V/ U3 g" z+ h
// Call IDispatch::Invoke()) Y5 i( i9 L+ K) ]
$ u6 X$ v* J: X" q( N9 E- t+ I hr = m_pDisp->Invoke(2 Z% F. J' \: e3 A
requestID,
( u, H0 X( e3 X8 j( w8 Z. H IID_NULL,
. t9 r1 W3 g+ c- |5 N LOCALE_SYSTEM_DEFAULT,
6 |# R U7 d6 H9 s( i) N* C8 v9 v DISPATCH_METHOD,- L/ _) y3 W" ~5 T6 h, J; e m
&dp2,- n! s" O4 ]5 y# ^9 [( d% Z
&var,( H+ q& n' k. @' L2 R- i! X
&ei,% k4 W0 C: H# O, |( d
&uiErr);9 K! s7 L/ B5 ]) }& X6 X5 K
5 E% ^0 j& o- H( g9 ? SysFreeString(topicStr);
$ j# A, |* L0 J; I I } SysFreeString(itemStr);
' X7 e2 W% i- I* {请问该程序是获得extend里面的哪个值?
8 a0 Y/ ]; R: i0 d- F" q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???? |
|