|
|
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:
# _! w" X3 s' l2 W' v, H) NName = (WCHAR *) L"Poke";3 G5 F4 R9 s5 p1 V& o5 Z* ^& {% i
. q/ b7 `) i% x+ E hr = m_pDisp->GetIDsOfNames (
. f$ n* U5 \; x9 o% B' F5 N. Y IID_NULL, // reserved
. J. m2 F1 n' z1 X! J- D7 M0 s* Y &Name, // Array of names to get IDs for
6 x T- ^; e* }3 ]% L, w 1, // # of names in the array- O: T4 r' `7 R, f0 D, a& X1 [! S
LOCALE_SYSTEM_DEFAULT, // System locale& S+ n( D, h: W0 u/ k3 _: N% U
&pokeID); // Array of IDs to fill on output
7 w( v, [5 } ]; Y' W/ e& o. `
. y" J i& [8 f1 r# y) J if (hr)8 e" d% q$ Z2 ?, r. s: a; |% Q
{
" q- i% q7 H8 U& x7 g, T1 g6 X* r7 E# G MessageBox ("Get Poke Unsuccessful");
' o, R i3 G( v4 i return;
% N+ F/ U) W: W5 {; x% V }$ U+ H; }3 @' h; o [5 a* M( R
" o$ T! e/ X& ?# B9 ]# d/**************************传递数据给extend**************************************/
2 Q( h; Q# j- s# z- u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 c+ ?, T, A5 t2 A, @: W! m
( ]/ Q3 _2 G* Y2 G8 x f7 Y, x( x. Y valueStr = SysAllocString((WCHAR *) L"1232");$ _' K& _& J4 r+ C) B$ A
VariantInit(&pokeVariant[0]);
/ e, y5 B+ _, Z1 ~1 n5 o6 k3 T pokeVariant[0].vt = VT_BSTR;
( u2 k8 W+ \1 ?2 J pokeVariant[0].bstrVal = valueStr;
. `3 m; d# ? Z- o2 |7 ^
. ^- x4 r3 a- X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* b2 O9 P2 K- J! H; M VariantInit(&pokeVariant[1]);
0 F5 ]& g( w( e3 t1 I3 ~8 i pokeVariant[1].vt = VT_BSTR;
% @4 D# ], S9 c: _4 s pokeVariant[1].bstrVal = itemStr;5 J+ `$ x5 I2 `0 @* f
. H2 m/ J4 R/ r4 r/ r5 b topicStr = SysAllocString((WCHAR *) L"system");. O1 e% D+ P) h. F* @8 d
VariantInit(&pokeVariant[2]); % a; c- R( w1 K0 c0 R1 q5 q. N
pokeVariant[2].vt = VT_BSTR;
' \7 V3 e- R: z, p! ~ pokeVariant[2].bstrVal = topicStr;
. [3 L' N; b" {# \3 |5 i8 |
1 `0 D. U& Q. f; {9 i9 s// Set the DISPPARAMS structure that holds the variant.2 O# ~) i8 k: J3 p, w7 H0 p
6 D/ j6 l8 w0 N6 T5 u; v6 T- l& { dp.rgvarg = pokeVariant;
& j/ i' ]# q( H" B dp.cArgs = 3;8 G% Q/ z$ o: [1 J' y0 J
dp.rgdispidNamedArgs = NULL;: O, t, T8 H( O; y7 k' f% h$ y
dp.cNamedArgs = 0;
6 c. S# t: H, U) _& t
; K$ t! P0 }$ y8 s// Call IDispatch::Invoke()
( I' Y- |( Z5 d1 D1 n; R
- D: p# B& N! K) u: q+ Z" @ hr = m_pDisp->Invoke(
8 {; V) t5 }% x; B: m" D- A pokeID,: N _" R Z Q
IID_NULL,+ R( Y$ ^! @. ?9 `$ u- `5 E1 K
LOCALE_SYSTEM_DEFAULT,
' E6 K; c9 X0 v* T# x+ Q DISPATCH_METHOD,
) I, |$ y* @, t$ q4 _ U &dp,' w" e; I6 g' H8 a& S1 k2 D/ ~
NULL," }8 E* G! v' l0 h
&ei,
3 {4 e+ ~4 W5 ~ &uiErr);( U1 D' G, c, h+ `, W
' {0 P7 M B9 }( y4 M# z6 |
SysFreeString(topicStr);
! Q0 ]* q8 X: d) O3 W) v" V SysFreeString(itemStr);8 a3 y. S: y8 e( {6 i7 F( @5 M
SysFreeString(valueStr);
6 B; t1 z7 y& w
# G' c5 p8 t' Q' w/ Z4 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???
- H! i! F; x/ R! S! ^6 { n5 O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 w5 b7 X/ g9 ^% o
* r' ?0 p" F/ j6 S. J- ]# k" ~' E2 x ?4 p0 f% B9 H. ~
2.这是request的程序0 U H& k5 i+ ~' V, Z% j. d
// Request a value from Extend
+ ~% m3 m) T h& [2 ~( ]//
6 Q" B" x! W2 u) u! i// Initialize the variant that will hold the BSTR. Set the variant's5 b5 L3 _! W4 J
// type flag to indicate the fact that this variant holds a BSTR. Place the, Z$ r# f* }+ r: y) \; a
// BSTR into the variant structure.
0 x9 D- Q% X% p) Q( [" m7 \$ R
& T+ J! f7 o3 m3 O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ P5 i, q- c5 Z" {( r 2 {+ B3 u1 G; M: Q. {9 }7 j! U
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ k( ~0 D: Q+ P! Z/ t VariantInit(&requestVariant[0]); . G8 v+ K1 S& O6 V0 A
requestVariant[0].vt = VT_BSTR;
9 W. j* {' P9 H requestVariant[0].bstrVal = itemStr;* [! ~! w9 r u# K# d+ D1 u
! @8 \6 D, Q6 S, @4 A
topicStr = SysAllocString((WCHAR *) L"system");& I0 }" q2 E# O: E) V( [6 A9 c
VariantInit(&requestVariant[1]);
; `' R( \5 e( E' | requestVariant[1].vt = VT_BSTR;" q8 }) K+ m$ ~8 w* i, k
requestVariant[1].bstrVal = topicStr;
' ^3 V! \+ v) x: W& \% e* y" L$ w4 ?( n6 T" T
// Set the DISPPARAMS structure that holds the variant. Y( f+ b: d Q P: t
, X( \, d& M8 d9 y( i
dp2.rgvarg = requestVariant;
6 p0 d2 T$ F4 u. e4 k6 i dp2.cArgs = 2;7 Y5 u# @8 P6 m2 w3 m2 S
dp2.rgdispidNamedArgs = NULL;& D; n/ i0 O- ~$ i8 K; A
dp2.cNamedArgs = 0;
8 \9 }6 k6 U. ? G1 J* F. q+ Z+ q3 C* ^
var.vt = VT_EMPTY;
7 z6 P- P Z2 Q+ X# \% [) f, L* ]/ P j3 q
// Call IDispatch::Invoke()* K; R4 c9 D2 H" e
6 y1 b5 H5 E" ?& y7 X: a
hr = m_pDisp->Invoke(
/ }: C" s8 ^/ ]% y- N% V. Y2 ^ requestID,* C0 W9 c; W! Q5 b$ X2 Y9 m
IID_NULL,2 Q! ` y8 I8 w9 C" u6 [! B1 G% ?
LOCALE_SYSTEM_DEFAULT,
, g( x D! ?( x7 i DISPATCH_METHOD,
8 t; D7 O7 W, l/ u9 j &dp2,
F: |5 @' x, K* C &var,
5 [7 W. ?. z5 g }' D0 A$ m &ei,
+ ~4 A8 ] K- i; |1 y &uiErr);4 O7 s2 g: ~5 X1 v. Q/ m/ v
9 e5 r' U z1 A SysFreeString(topicStr);, k9 |9 K ]7 [5 y0 g' @0 ^
SysFreeString(itemStr);9 z; G7 h G% i- o: D$ e1 @
请问该程序是获得extend里面的哪个值?
& n1 S# A' R+ O0 \) F- W! R% ^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???? |
|