|
|
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 v/ H# v" h1 \+ pName = (WCHAR *) L"Poke";
) @% t# C% e' a3 K; L
2 b- X/ Y. V. W hr = m_pDisp->GetIDsOfNames (
8 h0 @6 w: O- _! o x }. y$ V IID_NULL, // reserved. j9 y0 Y9 k' L, s" k( h
&Name, // Array of names to get IDs for5 _$ R1 ]; ?5 X' k; w/ [
1, // # of names in the array% R$ b- A8 v: ?4 i& d( p& j
LOCALE_SYSTEM_DEFAULT, // System locale
& e/ a7 f7 k* ?" _- [ &pokeID); // Array of IDs to fill on output/ _3 {6 X& i) X2 E* I+ r1 {
/ G0 ?/ t2 f) U9 H# m' r( j: L' v. `
if (hr)
6 o; p- ]: D8 p" L; A: ^4 t {
! U$ x0 q2 F9 H2 ?: _ MessageBox ("Get Poke Unsuccessful");, R7 w$ Q' D g% R$ w
return;6 q e3 |# X m. ^& j6 M
}- [' e! o, @# ~: B& U% t
2 O' D$ l& S) B! ?( q( ]9 f- w: ~
/**************************传递数据给extend**************************************/; ^6 J$ L6 |2 w' z5 ]$ [& h) }9 L
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- g4 v1 M8 [, q* |
& A9 I* T$ ^* O) ^ valueStr = SysAllocString((WCHAR *) L"1232");+ f2 w+ k# T! {$ G3 q
VariantInit(&pokeVariant[0]);
8 i, R6 X. H4 }) b& d* [ pokeVariant[0].vt = VT_BSTR;+ K; p/ q4 z# J+ Y" z8 T( g
pokeVariant[0].bstrVal = valueStr;8 V: O. w% |! R* p
9 s: h- q( J0 N" m) ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 X: M8 j1 D$ ~) _/ o! ]" r
VariantInit(&pokeVariant[1]); $ ?4 A* B* `% b' P- p/ j4 |& [# C! d- [
pokeVariant[1].vt = VT_BSTR;
0 {1 I/ J3 U; t9 K# W/ l1 d( J pokeVariant[1].bstrVal = itemStr;# g+ y0 N7 T8 H* O1 I% x/ G
/ x9 c+ _+ ~1 l+ b topicStr = SysAllocString((WCHAR *) L"system");! t0 t: Z @' S' h/ T5 S& G. R( [: j
VariantInit(&pokeVariant[2]); 4 S+ T p* u1 t; ^( `; j2 _6 l" B
pokeVariant[2].vt = VT_BSTR;
q" G5 k( }/ F) A' }0 k! r pokeVariant[2].bstrVal = topicStr;
. a2 K* z, z" z$ |6 i
% ~4 K, m, L I// Set the DISPPARAMS structure that holds the variant.4 y7 M0 @, S5 i6 S+ ~3 G) S
q! q0 ]' H K8 T9 J! h! F dp.rgvarg = pokeVariant;# A8 l8 F" i% B8 G9 q/ }
dp.cArgs = 3;
& [& _' k" i" y" Q0 [+ A( M7 E+ A p dp.rgdispidNamedArgs = NULL;' Y7 @2 n! K0 \( I( X* M/ |& D
dp.cNamedArgs = 0;
; ]6 n$ P8 s# G% {9 [/ l: A' Y; d6 l, O. G/ [
// Call IDispatch::Invoke()# `$ R/ S0 i5 G7 J/ n# |; Y
6 G# q1 z& z$ R, B5 D hr = m_pDisp->Invoke(( K1 M6 p; {0 ]) p# P
pokeID,% h+ ^1 {- d7 h O
IID_NULL,
1 L3 ]% A6 ?) G1 x7 M* T* n) ]0 [) G LOCALE_SYSTEM_DEFAULT,
) x. p N7 d/ _" Q DISPATCH_METHOD,
$ I3 x3 {) b) E, K$ x: B &dp,
0 p, P, E1 _ X5 r- O NULL,
$ h. f7 p6 W) }# K% z6 ? &ei,
% w t7 O; b# a &uiErr);$ ^$ \- j3 \) n/ P' T+ Y- S9 L
; ]/ ?4 X9 m4 Q* s SysFreeString(topicStr);
( _) i y* T+ Q/ v# @2 l; k$ A1 ` SysFreeString(itemStr);
) z1 w) p' z2 e$ T8 \6 S SysFreeString(valueStr);+ {; z1 m6 ^- ]+ O: `
+ H$ T8 r. i. X" \
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???
. ~, G( N4 n+ @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????
7 [. a& Z, T. u5 ?7 j, U
% b& Y9 K3 b! N" }: \+ n
! L2 U$ d( C. K3 @2 q" d2.这是request的程序; Y2 {0 W$ X: v8 \
// Request a value from Extend
. ^* L9 x1 o4 f4 F: R//' k# T( z) a( R
// Initialize the variant that will hold the BSTR. Set the variant's" B0 \, q) |, s* P. _; D
// type flag to indicate the fact that this variant holds a BSTR. Place the: Z$ o# {+ r) m
// BSTR into the variant structure.
( J2 V# o% ^1 m* G- e* y* _- i% d7 G2 z
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
( S' M" q# N: b0 k( q7 w / t0 }: P6 i) e! f+ P) Y0 ?
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* H( S. J0 Z5 c2 {5 m" S VariantInit(&requestVariant[0]);
( i1 b% P6 w; X: o3 K3 a% G requestVariant[0].vt = VT_BSTR;
( d" F6 t* u9 U& j4 d/ g4 O. q requestVariant[0].bstrVal = itemStr;
! f1 [( E$ P0 k' C% T
' x# ~ l9 p: J5 O- E topicStr = SysAllocString((WCHAR *) L"system");, z7 Y/ n/ W9 Z' z7 D _
VariantInit(&requestVariant[1]);
, I% a3 K3 u% o* n% I8 n' R1 O3 ~8 V7 i requestVariant[1].vt = VT_BSTR;& ?, p( i p8 r
requestVariant[1].bstrVal = topicStr;
8 B% F, a+ u7 C' O0 @+ n4 M. n1 v
0 V. ]: h, `8 p, ]2 D w// Set the DISPPARAMS structure that holds the variant.5 X; M+ {, E3 D. ^" J7 Q
. E8 b1 x0 {" Y
dp2.rgvarg = requestVariant;; x2 A- L7 V6 o1 j+ I: d5 X
dp2.cArgs = 2;6 K/ l! k- b! k1 t4 ]
dp2.rgdispidNamedArgs = NULL;
1 Z2 \: }; Y, v m dp2.cNamedArgs = 0;
2 K; \* l! s" o* W# o, x' M: _( V6 x- W
var.vt = VT_EMPTY;* o3 h9 A% a0 x: V
% W1 |) e0 Q q// Call IDispatch::Invoke()
3 x6 B9 { _! d( Z; ?( R, V2 ]3 |7 P% V; u# @# j5 V1 D$ T% S/ |
hr = m_pDisp->Invoke( G. ~9 R: c' [: j- A( {
requestID,, ^0 \" M7 I2 O5 e3 b3 _
IID_NULL,, ~7 h6 [/ B/ ^$ \
LOCALE_SYSTEM_DEFAULT,8 c4 `! M0 g3 N+ C3 ?5 W4 a: E* _: O
DISPATCH_METHOD, L3 ^8 Y# M2 x7 s/ F) s
&dp2,% g4 |) ]" z# I5 e( R/ I: `
&var,, k$ `4 M0 D4 U3 J1 Q5 C
&ei,
L# m' S& k2 T6 l+ x &uiErr);, [1 T% S3 \9 m' x) a2 H! p. g# k
0 h) C) ^9 _$ G& P' R SysFreeString(topicStr);
) ^; c! w, \! u! f) ] SysFreeString(itemStr);1 ?: V4 u M+ G- K" c9 G5 ]# {' p
请问该程序是获得extend里面的哪个值?% L' I# n- `. u" ?7 m. m4 S; @
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???? |
|