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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:
' R3 @2 M3 X& GName = (WCHAR *) L"Poke";
+ l/ d, {" s" U- r4 w# s7 }* h( X , P/ W% o$ |! p; E6 i
hr = m_pDisp->GetIDsOfNames (
. k8 ?0 i& E* V) u1 o IID_NULL, // reserved
" V3 o: |0 u5 h0 d$ ~( j/ O2 a: e; @8 I &Name, // Array of names to get IDs for
3 v* A4 e6 J& `1 x; p 1, // # of names in the array
; Q0 Y- h( u `1 @% J( s LOCALE_SYSTEM_DEFAULT, // System locale1 y1 R! I+ F' O" H
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
5 i) R$ w/ h/ j+ O" E return;
1 {: W( _$ h' x* p& P& A$ A }( D& @# S$ E, y, u: Z7 k) g1 I7 s
8 z o) ~ ^# b; ~( c/**************************传递数据给extend**************************************/
2 l# H) E+ a. B# N$ x pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
2 M- ]: P* c! u% w- N VariantInit(&pokeVariant[0]);
7 {; Q* n3 i! p: s pokeVariant[0].vt = VT_BSTR;% A# Y& L8 I! A
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% F& e; U/ T! x; [4 I6 r VariantInit(&pokeVariant[1]);
+ j# w1 y6 N2 X! V2 \ pokeVariant[1].vt = VT_BSTR;$ Q0 K. \2 i3 x9 M+ l: ?2 M
pokeVariant[1].bstrVal = itemStr;
3 [/ n& c' o& T t; E p% ?9 y
topicStr = SysAllocString((WCHAR *) L"system");
& x" X/ Z. m% J3 v) ` VariantInit(&pokeVariant[2]);
! A5 G+ E: U/ J# ] pokeVariant[2].vt = VT_BSTR;
3 [" s( h+ \) m4 ?5 A3 F pokeVariant[2].bstrVal = topicStr;
5 p7 O$ s8 [/ p! Q, j
' W6 T0 I3 p- {6 l, W* c// Set the DISPPARAMS structure that holds the variant." A0 j+ h0 D W( N7 P2 N% H" v
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dp.rgvarg = pokeVariant;) l. J4 d$ R% d3 U, m
dp.cArgs = 3;
; [) j$ ^- R3 k/ g dp.rgdispidNamedArgs = NULL;
. a0 {# m, _- n5 i- k/ _ dp.cNamedArgs = 0;1 C6 h9 {1 ]3 A8 P6 s
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
$ O7 ` p% {+ u pokeID,
7 l; R; S4 @2 ~5 t5 a" h IID_NULL,
' c4 W$ X* s2 `- r# c LOCALE_SYSTEM_DEFAULT, o9 a. Y0 b8 g5 ]. N/ e9 [
DISPATCH_METHOD,) ^6 a9 s8 a( O: N
&dp,: w0 N! t6 { L r2 [5 C- S, ^/ d
NULL,, W+ Y/ _7 |4 E" \
&ei,
7 V# s' M2 b) [1 h: ?: X; \ &uiErr);
+ S$ J3 W! M5 L1 J# M" o( S! f% H; _- c7 B/ s# R9 s
SysFreeString(topicStr);
- i: s# y& ?+ S) H" j SysFreeString(itemStr);( ~& {3 X& v" u. h( t2 `9 c
SysFreeString(valueStr);
' w+ e) W% f' t5 t5 {
% J+ `1 f4 p8 `8 Z5 I0 j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???. Z! a9 G8 u6 R
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????4 S/ T! t) s- R1 T [! L9 B
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; l; p! v" }9 \/ P
2.这是request的程序1 X: O" Z! m4 L9 l: X8 X
// Request a value from Extend2 O5 z$ y% m H% ?! ^: S5 _9 u
//$ ^ i- l9 D6 P7 q# _8 b; e
// Initialize the variant that will hold the BSTR. Set the variant's/ D7 U/ K, y4 x8 ~1 X
// type flag to indicate the fact that this variant holds a BSTR. Place the
( M* ^, @, e: A+ u, n* w' P// BSTR into the variant structure.# Q% A4 ^, y+ A* U9 i7 [; B
. \6 e) x8 k' ? y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) s* F: e( D' ^
: j/ ~& T, d/ v0 y' g. ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 o8 P/ B- U: n$ k VariantInit(&requestVariant[0]); ; c9 U/ H! ^4 `, \ [ [$ x
requestVariant[0].vt = VT_BSTR;
: J/ n7 Y. {8 S& F" s; \; M# J requestVariant[0].bstrVal = itemStr;( a3 K4 Y6 D7 h$ O5 q
6 m3 x( k, B. z, q5 g5 U topicStr = SysAllocString((WCHAR *) L"system");% Z! e) n7 o/ K' U8 i
VariantInit(&requestVariant[1]);
: @7 n+ E# F( d0 g' F) y7 G* g requestVariant[1].vt = VT_BSTR;
3 Y) ~/ o% e1 E- @/ ]( R: M requestVariant[1].bstrVal = topicStr;0 v# s6 U, k1 S$ ?+ v
7 O% }- {8 X$ X! C& R# |2 ]9 f// Set the DISPPARAMS structure that holds the variant.7 ?4 c0 q. g! ~! W+ q
8 `3 y w# a) K5 { dp2.rgvarg = requestVariant;
- T ?; S$ a9 x: M: L( x0 R dp2.cArgs = 2;; g" \& r! C: j7 z7 ]6 d5 o
dp2.rgdispidNamedArgs = NULL;. }2 ~3 F, O( \ O5 l' x/ Y j! z
dp2.cNamedArgs = 0;
8 F. p0 r6 s+ K+ B' [3 [; u# Z; l9 m6 C
( _: O1 S0 q# @+ o) V$ s/ M var.vt = VT_EMPTY;, z) j1 g$ j8 `$ R- w5 ^6 \
+ d: T# `! f5 L: p
// Call IDispatch::Invoke()
5 L) k- V/ d& _
% O3 {" H+ H% A hr = m_pDisp->Invoke(
& l8 B% f) u9 R$ b( W: t: S requestID,5 O8 O s: ]- _$ I
IID_NULL,
5 ?! i6 W- S ^& v; l0 G) l9 Q- u8 Q LOCALE_SYSTEM_DEFAULT,
, o% ?3 x, I5 h& |# W% h- h/ w. D DISPATCH_METHOD,$ G |. x' B9 k5 j, j6 d
&dp2,; g- s2 ~) e" L6 T
&var,3 @2 p0 p' z/ X Z5 o8 s
&ei,/ d- F4 l, p- \) ?5 @ X6 ~( T
&uiErr);
& \1 m3 j& K& x9 Y4 t& c
7 ?: C# C g* l/ F; F& M1 b SysFreeString(topicStr);
, l: \- S* R3 f2 s SysFreeString(itemStr);
) V$ J5 B) W4 r" X请问该程序是获得extend里面的哪个值?
; a1 z' k% l* G& F7 Q a+ p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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