|
|
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:
' j7 N) M) Q" ?1 r& L. r" sName = (WCHAR *) L"Poke";
& A4 a+ [+ P5 ^- _3 r: D) x" _
5 e$ r% M' t6 c0 \8 Y& f, i, L hr = m_pDisp->GetIDsOfNames (2 @: g, E& |% \. y; M' h
IID_NULL, // reserved' U/ k& }9 N I5 L
&Name, // Array of names to get IDs for8 s5 Z, [+ H) X" a! H
1, // # of names in the array* A5 Q7 ?0 l0 @) s; l' P
LOCALE_SYSTEM_DEFAULT, // System locale }' a3 l5 P- x2 E! [
&pokeID); // Array of IDs to fill on output$ P* H) G9 y, s! G
5 M) `( q$ ^. J
if (hr)* q" H% w; x* u
{
& }, e) |2 O: `( o- G7 m7 R MessageBox ("Get Poke Unsuccessful");+ l5 g" U( N5 U$ E3 U! t' \
return;
( o' r) I" m, A: {! k% p6 F }8 S$ n! w" t( E+ h5 Z5 R# }
4 H' h3 \' q3 @- t- f
/**************************传递数据给extend**************************************/
# m- R" X5 T8 t* {% j" T9 v9 l pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);5 R4 }, p* ^# a
2 U7 }, Z" {' j: n
valueStr = SysAllocString((WCHAR *) L"1232");
5 N& b0 Q1 e" r) \8 d, f- Z VariantInit(&pokeVariant[0]);
2 H9 E. N0 {8 }( {8 L# Y6 [$ @+ K pokeVariant[0].vt = VT_BSTR;+ S* g* y- n1 b: q
pokeVariant[0].bstrVal = valueStr;- r3 e6 ]/ N, P6 R$ {% q3 m
0 u' t. n, X2 `) \9 [
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 Y1 g! H8 ^0 X
VariantInit(&pokeVariant[1]); " b4 K" x$ w' D: P9 r
pokeVariant[1].vt = VT_BSTR;
0 l8 z2 f1 ~# S1 f d: x/ x+ Q9 x/ R pokeVariant[1].bstrVal = itemStr;8 P: t, x- @9 u* H/ r* i
4 @5 X/ o- r# O
topicStr = SysAllocString((WCHAR *) L"system");
1 m& G, I* z9 A! _6 _( x4 Q) I VariantInit(&pokeVariant[2]); / I( w( }' ]" A% l( @" o8 I1 V
pokeVariant[2].vt = VT_BSTR;
. X5 o0 A- v$ g, ]3 { pokeVariant[2].bstrVal = topicStr;2 {, z% Z. O7 {, T* O) R
' v, B- V5 ^* B
// Set the DISPPARAMS structure that holds the variant.& F, M) g& H/ h9 I+ B: D$ q& ?
6 R' ^4 C; X, O' Z; u( i
dp.rgvarg = pokeVariant;
( [% P" }* E8 i/ c dp.cArgs = 3;
' t T& W3 f( d# Q/ Z4 l dp.rgdispidNamedArgs = NULL;
7 d% w3 L. t8 h; U dp.cNamedArgs = 0;
% h' b7 E! {0 Q X: O/ M2 `9 }- p: f# r7 [ { a
// Call IDispatch::Invoke()
9 u! S. q) ], }1 |+ T3 h& h
0 j% y: o7 o6 y7 a L: Q/ d+ D4 g: } hr = m_pDisp->Invoke(; d8 V+ x2 H% W. f# P
pokeID,
7 B9 Q7 P) v" B IID_NULL,
, H) _; ]+ }5 E5 J7 s% X LOCALE_SYSTEM_DEFAULT,
- r5 E) _5 O# L% F9 i DISPATCH_METHOD,3 m$ W5 f `$ L; d8 b
&dp,, _+ ]# Z6 E# ]# k( E
NULL,6 ~ H$ z; Y1 Z0 }* I5 }# E
&ei,' ]) p y& s0 \. a
&uiErr);2 u! _+ ^. ^6 q* ^! B: z/ r
2 n! _' K$ |! s9 L3 |. _0 w6 y
SysFreeString(topicStr);
8 l1 W' N6 R$ p `5 z: x9 \ SysFreeString(itemStr);4 Y" X5 a5 p# o+ b
SysFreeString(valueStr);
7 { J. d8 ~ Q9 r# i
5 j7 I! w8 n8 O3 S& i: ]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???
% s+ K5 H6 f) _4 P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???? [/ b7 D! ^, D& o1 {( }# I$ e5 X
! N# \3 w f# F) B( Q }2 H- t. m) p; a% V- P) C
2.这是request的程序+ R- V, \! M2 E
// Request a value from Extend. n" o; u8 r5 y! ?( x: O7 h
//9 u$ V1 J5 y8 u8 V+ t+ P( O" s) s
// Initialize the variant that will hold the BSTR. Set the variant's
" I1 V" u5 l* _) z w5 s// type flag to indicate the fact that this variant holds a BSTR. Place the
5 N2 v1 X. q, f) y$ x U! V* r// BSTR into the variant structure.- w; t/ c( V, ^/ q x8 J
- F- W$ {0 O2 Q! S5 n
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 }. ] [( e' ? * d! R. D+ X8 g% h" N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 b0 Z8 w4 B/ k( R& a! ?3 e VariantInit(&requestVariant[0]);
* I8 n) s/ ]; N2 a requestVariant[0].vt = VT_BSTR;
# p$ e1 G3 U: E8 ^( O; {3 ^6 X requestVariant[0].bstrVal = itemStr;. f; V2 @; R/ X. g
) h) J% H5 J' m1 z4 d/ M
topicStr = SysAllocString((WCHAR *) L"system");
% p6 S/ X$ f$ J$ ?- m7 | VariantInit(&requestVariant[1]);
! \4 f4 g$ m. ^! I/ R7 P requestVariant[1].vt = VT_BSTR;
/ H& f: w/ C5 z2 b. L requestVariant[1].bstrVal = topicStr;6 I- d) U( b7 R1 i
, ]1 I* z( ^! ?9 V! N
// Set the DISPPARAMS structure that holds the variant.
; B# `- Z B7 V. A
2 c5 y& L7 X) [1 X4 H2 L- f dp2.rgvarg = requestVariant;4 b, g) R0 s; Q
dp2.cArgs = 2;% P) h! V) J9 e+ Y" ^( j, L4 G
dp2.rgdispidNamedArgs = NULL;
M! l' e F5 s% x2 u: } dp2.cNamedArgs = 0;% q( `2 Q$ D% I
" O! n' w% E p9 e7 m' h' X
var.vt = VT_EMPTY;
* } ~* \* s: u: N( s9 o4 f" Z4 B1 ^# y
// Call IDispatch::Invoke()6 A& Q8 a! U( ^! M- a" m
6 f0 S2 g' B) d7 R
hr = m_pDisp->Invoke(; D& W( I# u$ J% y" y! e5 t
requestID,9 ]7 @: l" |2 a, `5 c8 n
IID_NULL,5 M' ^" s- b, ]- J& M* F: t
LOCALE_SYSTEM_DEFAULT,! k1 l' V. c$ {/ F3 o; N0 s' ^# @
DISPATCH_METHOD,
2 N% E' }: X" O* g: m &dp2,
1 e! ]# L+ U' p1 @. W &var,2 }" V8 f0 z# U y0 O4 F8 h
&ei,
" Q R* ] n2 w; k. N &uiErr);
9 B! M7 B. m( o& i/ i
; \4 Y- ]: R2 y& M V( D+ e8 K, j SysFreeString(topicStr);
2 R! W% O. l4 a8 R( M j0 A+ K6 r+ Z1 b! Y SysFreeString(itemStr);( _' i2 v: t+ |9 K1 h7 r
请问该程序是获得extend里面的哪个值?
" @% f; Z# y X$ r/ [8 i# h% w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???? |
|