|
|
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:" @8 q: y1 x7 r4 M! ~! Z
Name = (WCHAR *) L"Poke";6 f- ^ T0 r+ n# I2 q/ ~% [
- Q' d$ E( ?! O4 J
hr = m_pDisp->GetIDsOfNames (
. V% a) o! T& \1 ?$ l1 @1 l IID_NULL, // reserved# `2 H9 j8 F! ], p1 z, z
&Name, // Array of names to get IDs for
4 H) |5 D3 }- }4 E' w* I4 q8 q 1, // # of names in the array
& D) S8 y( {9 v6 O" M1 } LOCALE_SYSTEM_DEFAULT, // System locale. T6 ~0 V3 v# h* Q
&pokeID); // Array of IDs to fill on output
3 @3 {4 D# Z* ]5 S
( g! w0 ?2 h$ u a- S* o/ T if (hr)
, d% ^* }9 W$ q# \ |' O) N {0 A, T3 g4 J. Q7 I9 K
MessageBox ("Get Poke Unsuccessful");; M$ Z; @9 e' Q/ a6 y
return;, z0 ^ ^# B1 T Y8 _* l
}
, T S. ~+ u0 @' o' g" f
7 N7 R; o) Z2 c/**************************传递数据给extend**************************************/
' J0 e, o: X% S pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
& _7 k* l8 O1 u; K; J
* D$ J% s- @6 m+ T valueStr = SysAllocString((WCHAR *) L"1232");
; S' `0 A+ {9 P VariantInit(&pokeVariant[0]);
! c- K4 F8 \) w! Y& w0 _" b pokeVariant[0].vt = VT_BSTR;
2 M0 ~$ V. x: h8 |* ] pokeVariant[0].bstrVal = valueStr;
9 V2 h4 }5 |; a) d0 C) C/ X3 L" s# b2 l0 m9 E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. D+ x- `4 H7 C$ e+ r' a/ _2 K VariantInit(&pokeVariant[1]); + |7 F9 G- a+ C; L# L5 \2 ]
pokeVariant[1].vt = VT_BSTR;/ E5 i9 h' n. [; X0 j$ U: T- U) ^
pokeVariant[1].bstrVal = itemStr;
* T$ ~& p( @$ o# v; z
$ ~- L- s: v5 e4 {9 \ topicStr = SysAllocString((WCHAR *) L"system");
4 k* s9 J9 r9 N* ~. D p/ [ VariantInit(&pokeVariant[2]); 7 O; W4 p6 B! J0 T
pokeVariant[2].vt = VT_BSTR;
J) l0 n- C. W2 X8 X$ q pokeVariant[2].bstrVal = topicStr;
1 i; _$ q/ G1 L% P5 h0 G2 {& |' v, @
// Set the DISPPARAMS structure that holds the variant.
9 h! _0 Y: D2 W' D U4 s: |8 M! l% b( F' R# c& S q0 p
dp.rgvarg = pokeVariant;% L" V7 h. p, @
dp.cArgs = 3;* L* _& D9 ^6 ^. ?" [# N9 N7 P
dp.rgdispidNamedArgs = NULL;
) z8 Y% T6 L" E4 d dp.cNamedArgs = 0; z$ m2 D$ Q4 z2 m
( ~' W% X1 S( G7 ?5 ~; O) i# ~$ I
// Call IDispatch::Invoke()
V' a# H6 l0 K& G8 G9 m
" s. I& T1 x+ w hr = m_pDisp->Invoke(
1 I+ y& [0 B. T+ m3 ?; H5 r pokeID,
, m4 X! e: u1 B( F: |9 E IID_NULL,
* b- X4 D3 e4 y' M) t' w; ` LOCALE_SYSTEM_DEFAULT,' I) d2 @" [" K
DISPATCH_METHOD,
: d# Y d! t) _; f6 Q: _ &dp,
$ q9 S; G/ ?$ K+ P NULL,
" a. e5 Z" V' L' F. F0 } &ei,% K2 M/ ^9 G# M3 l. w
&uiErr);
5 I U" u' n& \
9 y: g. a; Z1 {9 D: y: C SysFreeString(topicStr);
( }& E: d; Z1 {* [9 R SysFreeString(itemStr);
& v0 B' o' W0 B SysFreeString(valueStr);+ m' h7 p" A% A. B7 X
% @7 M+ _ v& i# x' E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???
5 L, G5 l2 n3 |$ n4 L7 c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????
: r9 R, L/ d; @ o$ F8 b
2 m7 r& k [1 X2 Q2 H% r3 ^; v' x
2.这是request的程序: m& ?" n# M& v/ r% L
// Request a value from Extend
" h' a3 Z( ?' H8 _: j//
9 f, F5 v# ]0 D// Initialize the variant that will hold the BSTR. Set the variant's) J6 s8 {$ J0 {" B7 \' {
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 P b" v2 C" q3 d# {' ^% x% p J// BSTR into the variant structure.
( E% @* m4 c( C+ a3 }9 N1 h$ d- j
5 I2 o2 J! ^: m) y. R requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 U* j1 a+ |+ t6 M+ x5 W: s
* X$ A) q' o: `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! ?% C, h" e: Z: Q% B/ t
VariantInit(&requestVariant[0]); , ]. Q8 `) I5 a( |! k; o
requestVariant[0].vt = VT_BSTR;
* ~2 A3 ~4 e. e+ q requestVariant[0].bstrVal = itemStr;" W+ Y# e1 l' y; U6 a
3 J+ E ]* i1 J8 u" G$ d topicStr = SysAllocString((WCHAR *) L"system");
* h) \6 p) V% G T VariantInit(&requestVariant[1]);
4 H$ `( r1 Z8 I% C, B) z; N: q! ]2 e requestVariant[1].vt = VT_BSTR;9 Z$ Z5 j9 ?: d$ |( N: l% V j& p* i# G
requestVariant[1].bstrVal = topicStr;8 @( A' C1 X/ w5 h* j& p! `
, n$ ]+ L! [6 j2 R9 {1 [// Set the DISPPARAMS structure that holds the variant.: m8 | U( ?% [, p& a/ t
{& T+ K$ {0 V T$ E
dp2.rgvarg = requestVariant;7 m& h( Q" r4 g1 C8 }, ~' J# [
dp2.cArgs = 2;
8 h& O4 {4 s) G& g/ R dp2.rgdispidNamedArgs = NULL;
5 { @: F m; a6 N* N; K% ~ dp2.cNamedArgs = 0;; u7 `5 G. o5 b9 a$ M6 {
$ @# J9 B3 c% H% D K# k% r' Y var.vt = VT_EMPTY;* j1 k! o5 }& v D' `& n
4 ]; F V2 A; p+ e( r6 v
// Call IDispatch::Invoke()
7 S0 T/ V9 @/ C! N; W1 j7 |# S, O
2 y+ E4 u2 _" m3 x( ]( q: A: l hr = m_pDisp->Invoke(( |. B7 w* d) V$ G2 S( Q& k8 G
requestID,7 W5 q0 Q9 Q- k
IID_NULL,! I% v& k4 X- ?& y
LOCALE_SYSTEM_DEFAULT,3 |# u8 a( Y5 v) e- p7 x6 J) Z4 i+ f$ @
DISPATCH_METHOD,
! `$ c. u+ `8 m3 a( U$ l, d. [# j &dp2,
# x# W* c! ~. I8 B! o &var,& f/ B }$ J) |6 d
&ei,
" I7 I' R. E( y &uiErr);$ C% G4 h2 f: `% E' n" q) P& e1 s
1 k0 v: d! Z) @0 |$ e& o! @ b SysFreeString(topicStr);
# G& L3 ~! Q3 p/ t* {$ R SysFreeString(itemStr);
. [ N1 ~' V& |1 ~8 l" d请问该程序是获得extend里面的哪个值?7 \6 @2 g3 d3 d! \
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???? |
|