|
|
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:
v. M7 L+ M: ^7 ?0 F1 @: gName = (WCHAR *) L"Poke";& t- X8 }4 J' x3 p- ]3 V B' B
" `+ g( {6 f- E& z* d5 \
hr = m_pDisp->GetIDsOfNames (
7 U" g; @$ B, A4 X) R1 _ IID_NULL, // reserved/ W2 u- o9 [) `
&Name, // Array of names to get IDs for
% t$ M* U; Q: C( w 1, // # of names in the array7 G1 Z8 v" U1 E! I: x2 y! U: e
LOCALE_SYSTEM_DEFAULT, // System locale; Y, Y5 \( n- s i2 Q0 [* r) t+ p# C
&pokeID); // Array of IDs to fill on output9 N8 r3 F7 c$ L4 ?$ {( R
' `4 J7 A% s; \* A) \" P+ z, { `* v
if (hr)# B% g6 }% s. y1 o9 g# L k( y: n
{& x( S( S, b' W Z8 p# Y1 g
MessageBox ("Get Poke Unsuccessful");
- W2 r" n- z0 T( S+ B return;7 G6 A1 w& Z. ?: l
}
" E: Y& u! z% W0 P2 `
, d3 {2 D+ U; j4 R. G6 s3 Y0 V/**************************传递数据给extend**************************************/
) ?" `/ b5 C5 ~% u& j4 c6 h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
; M' [3 c1 E9 I! |$ M9 ~
5 y+ c. I& ?1 h7 ~0 K+ i valueStr = SysAllocString((WCHAR *) L"1232");
7 R( D9 x; |% f+ a& G VariantInit(&pokeVariant[0]); 8 S5 b) A+ ]( a; o# q
pokeVariant[0].vt = VT_BSTR;+ D1 R0 z' g9 t# W' I: G* v
pokeVariant[0].bstrVal = valueStr;5 D* {- _3 E% d- G
$ ?# J0 l# E9 `# @
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 [" O* M# E1 I
VariantInit(&pokeVariant[1]); ( S+ {9 ]0 C7 M4 O% k, L
pokeVariant[1].vt = VT_BSTR;6 c/ p, t2 D; r& |6 Z0 C8 m! W0 c4 L
pokeVariant[1].bstrVal = itemStr;
# M# s) w7 ~* `. x) Z" |) n6 f9 I& \
topicStr = SysAllocString((WCHAR *) L"system");5 R+ J! E1 y3 w; ~+ G% B4 @
VariantInit(&pokeVariant[2]);
- C# j1 |' w, H# J+ B& f pokeVariant[2].vt = VT_BSTR;3 n8 X: f! W7 f @
pokeVariant[2].bstrVal = topicStr;
% a4 _. n$ k$ p/ G$ z1 R
1 j" ]$ | `' t: M' a) l6 b// Set the DISPPARAMS structure that holds the variant.
' c3 S* i( c1 [& u `! a7 f
3 E8 G6 Q3 @1 A2 a: G dp.rgvarg = pokeVariant;
% c% S- b/ z0 Z3 f0 K dp.cArgs = 3;
( J2 v4 C Z! G* e* }) R dp.rgdispidNamedArgs = NULL;
9 }' V! b6 H# \& O5 c e w dp.cNamedArgs = 0;
" M: u( _6 I1 @2 n; A- ~
7 w% a- I3 L& M4 E; D z// Call IDispatch::Invoke()
! v8 A$ f9 h0 U3 O
+ i8 h3 K$ A9 L hr = m_pDisp->Invoke(
2 S- X& d; j" j% f! i2 X pokeID,1 f6 ^& Q' l) e* L: i5 t" [
IID_NULL,
- [, R' {7 u1 m6 Y LOCALE_SYSTEM_DEFAULT,. O# _' t, O. I/ F+ }+ q' J' f: x
DISPATCH_METHOD,, ]+ |# U6 K7 C) s% \) u# V
&dp,& p0 B- V0 W$ x4 _6 k9 @& y/ s
NULL,
* T9 p& T6 D* N0 R: B+ ] &ei,
. L+ q X' g9 A& h/ A &uiErr);
1 N `$ p7 t2 j9 V& z6 i8 B
! c* p8 E' H9 ]+ e( G3 C, j SysFreeString(topicStr);8 r, e7 e4 m" S' n
SysFreeString(itemStr);+ X: E, R$ J) K, c
SysFreeString(valueStr);
4 O; L( e' Q% _1 f) y
: O! K: W0 a7 d. c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???" F: q4 G/ g! D! k
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????
6 q" F& y% G' V/ ] A% V5 O8 m. c0 y: D# G
7 d3 a3 o& j9 G) H8 e4 D: E4 l4 f
2.这是request的程序4 H7 x' a: [8 P" E; w c
// Request a value from Extend) m! C* }! c6 ?3 Z
//
' N( w- O1 a L/ z// Initialize the variant that will hold the BSTR. Set the variant's$ r9 b) _( r3 Q. a
// type flag to indicate the fact that this variant holds a BSTR. Place the l$ E" L1 V M0 [3 z1 M8 [( e
// BSTR into the variant structure.* _/ _% k5 d$ Z, l ]9 h
; P, o$ h6 d" m V requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
6 o; p( L9 c W- v2 w . |7 _/ b, n% O+ H, S. a( ~
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# S% _' [+ J; x+ I y$ L/ X- {
VariantInit(&requestVariant[0]); 3 K# z- g- y( H5 x0 }* U7 c
requestVariant[0].vt = VT_BSTR;& z) h9 [4 a. a0 `' Z0 B9 o
requestVariant[0].bstrVal = itemStr;
8 i; C1 G7 N5 S: [7 t3 e. u+ X1 N( p9 S0 G# q
topicStr = SysAllocString((WCHAR *) L"system");
; z e3 g: k1 g& i" a VariantInit(&requestVariant[1]);
5 j9 _3 D7 W7 {1 s requestVariant[1].vt = VT_BSTR;: i. Y6 J% x9 h5 E' t
requestVariant[1].bstrVal = topicStr;
2 O1 k/ ^) L8 f. `
* T$ M0 x$ I1 j! N+ y+ k- P// Set the DISPPARAMS structure that holds the variant.
! P. M2 x7 D1 }1 u0 |
: R; B) W. T& q- ^$ u dp2.rgvarg = requestVariant;
6 q& W3 j# W5 k0 X; J! e- y) Q6 z dp2.cArgs = 2;
6 I+ W3 h/ g0 d6 i+ O: d" Z dp2.rgdispidNamedArgs = NULL;
) \4 h- L# ^3 L! ?5 Z- {& T3 S dp2.cNamedArgs = 0;
3 M/ o6 w. Z) m2 I. [, |5 e+ `1 @2 X, e1 U+ O9 W
var.vt = VT_EMPTY;- e; D# g. u$ [' Y/ `: ?0 V% S
3 ?$ a& k7 D! c' F( f; w: ]// Call IDispatch::Invoke()
4 _) Q) j- ]1 d7 P
# }* A) c3 Z9 | hr = m_pDisp->Invoke(4 t+ m. k. n7 @- v5 t3 l
requestID,' T+ A: I9 \1 d1 x, i
IID_NULL,
- E) M+ m6 g, v4 F% l7 u LOCALE_SYSTEM_DEFAULT,
! b$ o, _# D! R: Y- n- E: q DISPATCH_METHOD,
+ z. p" N* m2 B7 f0 E- q; E &dp2,
Q6 ]4 h2 n" n &var,5 b9 z: x. a; l0 J, N: _: Q
&ei,
& A, @) Z" d" I' }8 B( k5 T) |/ H &uiErr);
o& u7 J3 p F
* c# t0 \. s1 Y0 E" K SysFreeString(topicStr);. M7 m9 @- a. b* ]$ F4 J
SysFreeString(itemStr);
% X- f! V v$ Y% l/ n v; @请问该程序是获得extend里面的哪个值?* b W. w" c2 s& Z# f( b/ y
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???? |
|