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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:; }! u6 P) t! E$ {- R
Name = (WCHAR *) L"Poke";9 k* C+ ]' l/ S2 g! \0 r; ^' |
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hr = m_pDisp->GetIDsOfNames (
# L& t3 N9 n9 j& h+ j `. C IID_NULL, // reserved
2 d5 y5 t) A/ ^* e p R' R &Name, // Array of names to get IDs for# ?! \& I! \. B) e; u
1, // # of names in the array
/ g1 x* n: R, ?- r LOCALE_SYSTEM_DEFAULT, // System locale
# v% \( s9 I$ B) H" J. Y &pokeID); // Array of IDs to fill on output* E8 o' F+ _, {6 @6 G; \: {$ S6 U
* K) P4 q- M' M& x/ G& ?
if (hr)
$ `- J' s" s; ` {
: N% b; t% E7 I9 i5 H, a5 n& m MessageBox ("Get Poke Unsuccessful");! m- Z* s2 Z7 l/ y) B& i1 A4 s: N
return;
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/**************************传递数据给extend**************************************/' I, y5 \8 Z, {+ b1 ?
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");+ j8 Y0 |! o0 F$ W) y5 P7 |
VariantInit(&pokeVariant[0]); O! S7 O1 M; Y
pokeVariant[0].vt = VT_BSTR;- ^4 k |+ _% q5 l A* [ I
pokeVariant[0].bstrVal = valueStr;
, V) f2 {: \5 s" r$ N6 S
) u* S6 N* y# ]4 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ H+ r* A: j- r
VariantInit(&pokeVariant[1]); ! Q S9 ^- ~0 Y1 |9 L
pokeVariant[1].vt = VT_BSTR;
+ Y( s5 G' }4 _8 s/ | pokeVariant[1].bstrVal = itemStr;9 p; J5 n, ]% ]# \" z `
+ [5 @# n$ y+ O6 Y8 a' W! N* J$ U
topicStr = SysAllocString((WCHAR *) L"system");
' C# {) R4 a: Q# G2 g VariantInit(&pokeVariant[2]);
% J% L+ i. U8 X0 A+ Z9 [ pokeVariant[2].vt = VT_BSTR;9 b( S. D+ Q' W! B) b
pokeVariant[2].bstrVal = topicStr;% a) t3 [2 J ?
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// Set the DISPPARAMS structure that holds the variant.0 u* r6 [4 b$ t; j0 B
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dp.rgvarg = pokeVariant;
6 A; D1 B6 G& E dp.cArgs = 3;- K' d* F3 S. _$ E/ C
dp.rgdispidNamedArgs = NULL;! N1 c ]1 f6 @3 ]6 Z
dp.cNamedArgs = 0;
# R7 |* B7 e+ d1 T# H1 h1 q/ z
4 I5 T7 { b9 o; u% y, Z1 b// Call IDispatch::Invoke()
4 f+ Y6 _6 D i0 m. f
6 J+ U( A! d# c8 Z hr = m_pDisp->Invoke(- u8 M" \, `" ?/ { y% q: ~
pokeID,
* e$ F: B5 w5 W8 O/ Q6 c IID_NULL,, `/ p# z8 n1 S% U& [% W) L( G. {
LOCALE_SYSTEM_DEFAULT,
4 E9 y( u+ C, b9 ]. ]8 O" p DISPATCH_METHOD,# @. R) T' Z; f3 V6 a3 g/ `. z
&dp,4 K* q. f' H% k C/ B( L
NULL,; I8 }7 S3 q4 L. d
&ei,& J T+ h9 a9 z0 f
&uiErr);
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SysFreeString(topicStr);' f/ H6 B. T. T! {" k$ W
SysFreeString(itemStr);
. _8 q3 E3 t3 K p1 I. Z6 s SysFreeString(valueStr);
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: A3 L9 j9 @6 S0 W3 U! p) U# P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???
& f0 T: r! R# O# A4 g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????: O+ x9 _6 u3 m& ]
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2.这是request的程序
2 J6 Y' u* M5 i: {- r// Request a value from Extend
9 z7 H6 V; x" o6 n- s//
0 D7 F: i: C* K; d, |& P# W// Initialize the variant that will hold the BSTR. Set the variant's
" k( f7 z) R; ~, v8 u// type flag to indicate the fact that this variant holds a BSTR. Place the( o6 I% u+ i2 T( K$ g5 L0 B* @7 H
// BSTR into the variant structure.
9 p* [6 J2 D1 X& x6 e, R9 b# x& ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 Y. [5 ~8 v' ]. n8 W2 ?* t+ T
VariantInit(&requestVariant[0]); ; A4 c( d8 U) e/ f
requestVariant[0].vt = VT_BSTR;5 o( F' L) W$ \' y; ~, [# X0 n+ t
requestVariant[0].bstrVal = itemStr;
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' Q. r2 J# }2 P" S4 | topicStr = SysAllocString((WCHAR *) L"system");; I- h: l2 r7 r! A% X! e. c# q
VariantInit(&requestVariant[1]); ) F! @$ D) [. ]
requestVariant[1].vt = VT_BSTR;
& z5 d/ I! f1 Z$ o% x+ G requestVariant[1].bstrVal = topicStr;
+ [+ i: G9 K: `5 }9 ^" o5 ]4 o
7 a. x9 z* r1 {// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;9 i J. y Z% t2 n |, W+ Q' i1 q
dp2.cArgs = 2;
. U+ U7 Z; w. p! r8 u) n: s5 v- Z dp2.rgdispidNamedArgs = NULL;; D3 L1 [2 |) N" I& e( Q2 O# o
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;9 L$ S( }& E. ~6 Z/ |8 I6 |; I
4 o) C% g* k# l' y* Q9 l/ z// Call IDispatch::Invoke()5 m' ]$ E$ ~+ ~
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hr = m_pDisp->Invoke(
) l% ]9 d8 d- @6 b% S% Z requestID,
' D, o) { ^8 R3 w5 S D IID_NULL,
5 u& }9 M6 L, O" B1 N LOCALE_SYSTEM_DEFAULT,) c5 Q+ J+ F8 j e% {
DISPATCH_METHOD,! n! e7 u0 t. C& T
&dp2,) O# w9 Y' M) o" X I) T' P
&var,- B& H7 i( B+ t: c! Q% W1 w
&ei,! q: ?) ]3 g- D+ Y5 e' r# I7 L4 }1 v
&uiErr);
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, |+ z# v* L- `: P4 u SysFreeString(topicStr);
* E/ |& L+ v `+ v; @4 t) Y; s SysFreeString(itemStr);
9 e* x( T- c$ F. ?# M请问该程序是获得extend里面的哪个值?
6 P1 s& r8 J$ Z; q" W' D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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