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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:
{5 J+ E6 U. k: [& H& @Name = (WCHAR *) L"Poke";
+ o4 r% q: E. H% }
; v2 J4 x4 f ^9 ^+ w hr = m_pDisp->GetIDsOfNames (
. y) ]: t: H. U: \4 w$ K1 s IID_NULL, // reserved* c. A* l3 y( @* ~$ _! M' t
&Name, // Array of names to get IDs for& i' o0 T( d: o) n" K
1, // # of names in the array
& Z7 L7 ^) u v9 e) N) U: r0 { LOCALE_SYSTEM_DEFAULT, // System locale
; q" _: X+ @% ~! O) l& m &pokeID); // Array of IDs to fill on output
8 i: f% {0 p( u8 \2 R3 O L
+ f* O z) Q: C& O. { if (hr)' {$ \- r$ L0 y2 _- c2 g% p1 P% \
{
' P' d0 Q3 Y3 V; w' \) y" W) P, \ MessageBox ("Get Poke Unsuccessful");
/ R# @2 I8 `2 y% T2 @ return;
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+ [5 E! w( T( |( _
/ |! ^& i- _: [. z* V* X1 a/**************************传递数据给extend**************************************/
! G$ P; x# T, z( m2 P1 D4 d+ D3 @# P pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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: h' c7 L, m8 X4 R& r% s valueStr = SysAllocString((WCHAR *) L"1232");: E7 t& l- S7 H9 R/ Z; I
VariantInit(&pokeVariant[0]); # O1 @! @* P. X i
pokeVariant[0].vt = VT_BSTR;( @( Z1 l1 a* D" X) _" @* z6 a
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 h7 P0 _. ^# Q$ y. [* [+ H2 d VariantInit(&pokeVariant[1]);
0 c, H0 D% L. X8 S2 i pokeVariant[1].vt = VT_BSTR;2 t8 M9 G& i9 C
pokeVariant[1].bstrVal = itemStr;$ j g. Y: N J/ v, s
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topicStr = SysAllocString((WCHAR *) L"system");! v# S0 A' r- i, [
VariantInit(&pokeVariant[2]); 5 f7 w1 R8 l2 L
pokeVariant[2].vt = VT_BSTR;* l+ M9 a9 m2 \! D1 Q1 G1 e6 L
pokeVariant[2].bstrVal = topicStr;2 z2 Q9 |2 B, M# `/ [3 ] ~
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// Set the DISPPARAMS structure that holds the variant.) I( D; F6 a5 {
0 q7 h( g4 q8 J+ c. W% X7 ]
dp.rgvarg = pokeVariant;, S$ | b2 l) v9 z2 I
dp.cArgs = 3;3 B* P8 f" N$ c1 I% Y+ {/ m' A
dp.rgdispidNamedArgs = NULL;4 V1 V+ s0 Q0 [' {
dp.cNamedArgs = 0;
% ^" w1 j2 Q4 p
( d& r) d# P# K: L) n- A// Call IDispatch::Invoke()! ~" d2 o r+ l
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hr = m_pDisp->Invoke(( e+ P3 o# M* G
pokeID,$ _+ D/ @/ X5 C6 X3 X: R
IID_NULL,
; H( V* w$ c7 A+ E% [ LOCALE_SYSTEM_DEFAULT,7 _0 ^/ ~% ~9 Q4 h
DISPATCH_METHOD,( J. [4 J, `. d, [8 B
&dp,, x3 f: b. |# K& R q7 z5 L
NULL,* P) L/ e# l3 K: A0 ^
&ei,* j$ i! @2 U" g" T! q4 b
&uiErr);) e6 y5 ~) g1 ^4 }% l7 y
2 _: v+ C" z9 L8 B7 ]. N
SysFreeString(topicStr);0 ]) s& @+ }6 c) H0 w
SysFreeString(itemStr);
7 l$ c: y( N+ g) B8 T5 L" |8 N9 @6 D SysFreeString(valueStr);0 ]. \: o e# k+ C$ C5 A. G
" P5 a7 k- k* G2 s) a u
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???; c/ D. G9 C$ B( R- U; \
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????
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8 ?5 d4 C& V/ N- R: |. S4 b2 d9 U0 e; K7 b" }
2.这是request的程序9 J+ Y" J" U/ x$ _4 v6 ^
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's2 C- T9 w* x/ `" |& g4 P
// type flag to indicate the fact that this variant holds a BSTR. Place the
; Y9 L2 d" O0 E3 k/ U) H5 N; F// BSTR into the variant structure.4 s% e# v) h5 q( m
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! l1 B% D: a& l0 G8 o& O- f
6 j6 |& y2 P! U' l0 J0 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. [( q4 X: F6 T! c1 @6 [
VariantInit(&requestVariant[0]); : g% J% p$ k! Z/ G
requestVariant[0].vt = VT_BSTR;; w/ D- C& [* V# d8 h6 r
requestVariant[0].bstrVal = itemStr;- { @4 e/ A/ W9 g. k5 ]
, n7 S% l+ B6 Y
topicStr = SysAllocString((WCHAR *) L"system");0 h) l$ {+ }; m+ _. z8 E# S7 e
VariantInit(&requestVariant[1]); c, [" O! X8 j' t7 q
requestVariant[1].vt = VT_BSTR;- E9 y5 f: ^! ]) P
requestVariant[1].bstrVal = topicStr;
* m( f+ @* g: \. N% e% F: r/ F% Z8 A' c+ z4 Q( L
// Set the DISPPARAMS structure that holds the variant.6 v' [/ U+ `+ T1 H5 \! j
* \6 O) c: T* r* D: p
dp2.rgvarg = requestVariant;- B$ n9 J; j5 _; D9 G
dp2.cArgs = 2;
4 z9 t" }+ l9 m9 O. J, s dp2.rgdispidNamedArgs = NULL;/ p7 y4 @ R0 X" X
dp2.cNamedArgs = 0;
' b, b m0 S+ U8 B1 B- U, h" Z0 ~8 G% B$ P1 f' i
var.vt = VT_EMPTY;
! H) H% G; I. Q$ `( Q/ U
$ q" U5 {% s- P8 Z' ^ `6 ]: i& U" l// Call IDispatch::Invoke()) C+ m L. ~1 f. n. o8 K* i* W
, {4 V* N9 Z6 Y% [$ ^4 k hr = m_pDisp->Invoke(
# r, y7 M1 C4 j. Z* u( N8 ^ requestID,) _# F5 Z% N. G: D' c5 e
IID_NULL,
; P& M7 }9 l* i% |8 Q" Z; r: c6 C LOCALE_SYSTEM_DEFAULT,
" D# D+ ^% @. Z0 s& h7 y: B" z DISPATCH_METHOD,
5 [4 _/ y) _+ d3 C &dp2,
/ T, p" R9 P+ @8 s8 b: {' T &var,
, M- U9 a, B* m( w9 j5 W* F# W8 l &ei,
! q# k0 J6 V" n' c$ B" J0 e &uiErr);
" |1 Q' Q. w9 z) a6 v" y6 i- J& x" s& A. j" p% w7 M( q1 L
SysFreeString(topicStr);
! l( l+ Y- m3 A5 ]1 ^ SysFreeString(itemStr);
' r* M$ N7 a( I% i请问该程序是获得extend里面的哪个值?: w0 r$ m8 e* t( @& G) U& L
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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