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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:
# G3 Q+ s4 X& I* M$ Z% M) K* RName = (WCHAR *) L"Poke";3 {: l3 Y6 F) L- z& C0 U' o
, D8 |+ ?# J7 @" J7 h0 G hr = m_pDisp->GetIDsOfNames (: S* O2 R) Y! Z% K! W! a( k
IID_NULL, // reserved
3 J! b0 b2 T5 T! v& q# b &Name, // Array of names to get IDs for" D; Z+ v2 E! C
1, // # of names in the array; [# h- Y7 r5 a) C5 N2 Y3 G8 b
LOCALE_SYSTEM_DEFAULT, // System locale
- K" U; t. Z0 t, T &pokeID); // Array of IDs to fill on output
6 V& d6 `, {9 Q0 f
7 y! U3 d1 x" x: [6 R$ { if (hr). e! _* t$ Z" ^) _6 E) _
{
: I, J. b0 Z* R' n MessageBox ("Get Poke Unsuccessful");3 i7 R. r8 ]* j; T0 l- H
return;5 U+ K$ t$ e! N8 i: w6 N
}8 x. r3 ]( A7 F- z
6 d/ z8 Q, T8 u% B* M! {6 w/**************************传递数据给extend**************************************/
( v& N' W: h# ] pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
% z$ r7 C' @, g
( \4 _8 f+ \ p& N8 n! F! D valueStr = SysAllocString((WCHAR *) L"1232");
0 M& I" q4 d/ `. |3 t VariantInit(&pokeVariant[0]);
, v* i0 g( A' s; ]$ U pokeVariant[0].vt = VT_BSTR;6 G H |: j* \
pokeVariant[0].bstrVal = valueStr;/ ^& Q5 f* P: N4 i: G
8 a/ s" S. ]6 s
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- M5 T4 T* S8 H- F9 \ VariantInit(&pokeVariant[1]);
! s. P' |* O- v' T+ C pokeVariant[1].vt = VT_BSTR;
% y; r E/ I, z2 [ pokeVariant[1].bstrVal = itemStr;
3 o Z* D+ c: I! `$ X5 C/ I+ S# [( \% {# q( w! `6 W1 P
topicStr = SysAllocString((WCHAR *) L"system");
6 m( s Y5 G0 R. j+ R7 b VariantInit(&pokeVariant[2]);
% k; _. `/ c9 p, ?" N4 d% t pokeVariant[2].vt = VT_BSTR;
+ o& Y# W! V# v& K% G- G: L pokeVariant[2].bstrVal = topicStr;
* ^' n1 X, ]. L3 Q3 d$ q$ M
2 ^3 [/ c+ s z. R2 i$ t4 h// Set the DISPPARAMS structure that holds the variant.
: Y' t2 n h& Y. U- [$ U5 H' w+ s* y: f6 ?! R& z! W0 y( o% \! y
dp.rgvarg = pokeVariant;
m; {% Q: Y9 ~) R+ ]2 Q% L/ z" X dp.cArgs = 3;! |2 `8 k3 F; m% ]
dp.rgdispidNamedArgs = NULL;
) p% ^3 d. g$ W# l) {! M9 s dp.cNamedArgs = 0;8 M' z' J% R9 t- ^
8 D' N7 k" e8 ?8 J0 W1 K* T! [ N c
// Call IDispatch::Invoke()) c _, y7 o! v
/ h- I5 Z, c7 E) R" v$ K' |7 H. d! E
hr = m_pDisp->Invoke(
0 Z% E9 L, O( l4 r/ B9 q9 o pokeID,
; e8 K# I. |$ _ IID_NULL,
^/ }/ G9 K2 V2 x2 D' R LOCALE_SYSTEM_DEFAULT,8 P& h4 l: d" U! T: G0 n2 K
DISPATCH_METHOD,
9 s1 \8 h" K6 [- H, y3 f3 h &dp,; m* ~: i5 Z$ `2 n4 C* p' J0 D
NULL,# H) f& @9 N; I* s
&ei,
+ I9 T6 d1 ?5 o k6 n5 w &uiErr);( {0 q" |' B9 r) ]& s$ J
5 z8 S$ f g: z( {# Y- I
SysFreeString(topicStr);/ P( P6 m7 N5 u" o7 J) z
SysFreeString(itemStr);
- {! N+ b: k; B3 ~ SysFreeString(valueStr);" h+ ^) J3 m2 r: f' B
! m4 L- [: U0 q- W6 J; f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???
, u; L$ k1 v% }9 f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????- k7 [; |; X/ K6 M- _, F
6 i/ }+ U: Q' j9 \" g" s. ]7 Z6 z. M2 y
2.这是request的程序
4 B4 o8 K. _; a0 l' a& h) K8 n4 s4 n// Request a value from Extend
; t$ F9 O9 {% H) G3 N3 @//8 P; @( N5 O% s" ]/ w1 O# J% R
// Initialize the variant that will hold the BSTR. Set the variant's% w# C6 N! ?8 {8 i3 K9 O/ @
// type flag to indicate the fact that this variant holds a BSTR. Place the+ t( s! v6 I# W9 j
// BSTR into the variant structure.
- x8 V' g$ D9 z- ^ J% }: h h8 m+ r, }: ?/ }6 G6 Q1 o
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' O( U# A) z! y( M4 Q, {
: o' H" K+ P0 N6 B, u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); a& [0 f/ q3 i; I
VariantInit(&requestVariant[0]); , d" j' H6 v4 `$ v% \$ y
requestVariant[0].vt = VT_BSTR;
- l) @8 ?7 ^: |" _, ^, e requestVariant[0].bstrVal = itemStr;; b, q/ s+ w1 l8 x( q
' q" e! D+ N! z$ n+ ~; T. c6 N% K) T topicStr = SysAllocString((WCHAR *) L"system");% _2 f$ b+ ^% h4 e' |1 u
VariantInit(&requestVariant[1]); ( \& Y8 D: H4 J
requestVariant[1].vt = VT_BSTR;
' U+ e+ p/ q8 b! d5 b requestVariant[1].bstrVal = topicStr;7 d6 D1 v l/ I
; V- y8 [* j) l// Set the DISPPARAMS structure that holds the variant.
' a! x' |; N7 ~# U# t( i
6 n0 C& i1 C( n- Z2 g dp2.rgvarg = requestVariant;
, D3 ]8 F3 d2 L* }6 B" m dp2.cArgs = 2;
- a% @% Q9 y* F: h4 { dp2.rgdispidNamedArgs = NULL;! g1 V; Q; f$ H6 @8 I2 X, [% g
dp2.cNamedArgs = 0;
+ B8 `9 \5 f( y6 n# `9 s
1 s- x9 {$ Z3 B3 v var.vt = VT_EMPTY;+ [$ R* b" @# r0 x8 U) |0 E
5 |0 w7 x3 r7 {4 {% s// Call IDispatch::Invoke()
# f$ [' k8 ?. w2 K. b0 S) F1 P: U% b
hr = m_pDisp->Invoke(, m. K9 l! M$ O6 M
requestID,
% s7 c f0 W8 I: C; x) k5 |& O4 G* d IID_NULL,4 w( t9 L; ~2 R. J2 b
LOCALE_SYSTEM_DEFAULT,
- T9 [4 o S0 h3 l DISPATCH_METHOD,
+ c& L/ S. T+ x2 D2 ?$ V6 O &dp2,& @( U% v; c8 I
&var,& s% X3 Q) G6 o
&ei,
" z8 |9 @; F8 ~( _+ E5 a/ C* k &uiErr);
9 |: U9 a! c- U5 \3 r9 m- ]" e( S8 E6 E5 G9 B1 M8 Z
SysFreeString(topicStr);
6 |. S% ^0 O+ C SysFreeString(itemStr);
& o. s5 ^" b: L请问该程序是获得extend里面的哪个值?
$ W2 u) T2 X4 G) T8 p! n- M" v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???? |
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