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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:% l+ D( b* }/ G1 E3 U+ {
Name = (WCHAR *) L"Poke";% @: V# f9 ~8 J+ H8 V2 O# p$ S2 C* l
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hr = m_pDisp->GetIDsOfNames () x" T( g8 ?" X5 l* \
IID_NULL, // reserved
' g* U2 R" B/ R$ k( J/ f &Name, // Array of names to get IDs for
0 n; d& }; k0 ^ 1, // # of names in the array
! n: @2 F7 [+ M+ c h9 \ LOCALE_SYSTEM_DEFAULT, // System locale
3 U6 t" d/ q0 U0 U' k &pokeID); // Array of IDs to fill on output
; i, H) `0 t$ M! t) u/ Y8 T; M
% E6 n7 k: l- f if (hr)
+ ?0 i9 x; m! A- i+ F5 ~ {
# D0 h, L; t# w MessageBox ("Get Poke Unsuccessful");
) o! \4 J: t. K0 I6 x return;% D3 M$ ^7 F( o" [1 w( `, y
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/**************************传递数据给extend**************************************/
- c( f1 T: Z! u8 Z- {$ ` pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 p' ]$ G# e" Y; d2 u7 x
- X8 r5 J# W3 l: @& |: M valueStr = SysAllocString((WCHAR *) L"1232");5 c9 x4 ?4 E6 S% D' ]5 ^
VariantInit(&pokeVariant[0]); # i; X& v. n' C S c! g7 K
pokeVariant[0].vt = VT_BSTR;) n6 \' X3 j$ a% x4 t
pokeVariant[0].bstrVal = valueStr;: H$ O: T4 B7 `
8 h s p. B4 o. ?" ~/ ~ }# F* z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ }6 s" u8 c { q- Y+ x7 e VariantInit(&pokeVariant[1]);
# s/ `- ?! g: u+ R% b* S# Y pokeVariant[1].vt = VT_BSTR;
( _# n. G+ [3 b0 F pokeVariant[1].bstrVal = itemStr; F! ^- E d% v8 N; ~1 Q: h! ^! Q
p; l5 ^( C- t3 \9 C
topicStr = SysAllocString((WCHAR *) L"system");2 E5 j- M0 T, v! G8 ^# h
VariantInit(&pokeVariant[2]);
& Q! z" c7 u& |3 E+ }4 |* v# [ pokeVariant[2].vt = VT_BSTR;. T- m Y# q% z3 r
pokeVariant[2].bstrVal = topicStr;
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( j, S! p7 H( x: H9 X8 M// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
; l6 H3 x* z" f0 ~7 r3 m( A' w dp.cArgs = 3;( y. @7 b4 p8 T/ v
dp.rgdispidNamedArgs = NULL;
( _# Y Q/ {, A/ F. k) k dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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4 S1 ~, Z$ N- P2 ^5 d7 | hr = m_pDisp->Invoke(5 a5 V4 D3 N) ]( O, ~
pokeID,
- g2 Z- E' l0 m IID_NULL,
( a B9 `9 q( c$ Q1 C1 A5 @ LOCALE_SYSTEM_DEFAULT,
0 A& D U5 w y. F% |7 b DISPATCH_METHOD,+ b) Y9 ~5 a0 b7 N! {$ T7 ]
&dp,
: F1 `- U- v6 E3 h1 I8 g y NULL,: p: p) \# u' b$ m+ p) J; U
&ei,
8 [8 v$ W( v4 _ &uiErr);5 x9 w5 a2 Q7 m3 i; u2 v7 M
: I7 @& p" R2 Y! y1 e" Y
SysFreeString(topicStr);
* W7 ?! C5 f+ ^ SysFreeString(itemStr);
% t \4 l# L/ q" d% h4 j# `3 B SysFreeString(valueStr);* k9 a; R' E5 ?0 B9 [
# B' q b4 }' {+ Q' ?) d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???# o2 R2 \6 \* X
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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2.这是request的程序
0 p1 Z" s5 D# ?2 F* N// Request a value from Extend) R; u! ?) ]6 C, L' c
//
# O8 [& ~7 r" F+ U, e2 r// Initialize the variant that will hold the BSTR. Set the variant's* p: y5 D, t! x+ o5 a6 v
// type flag to indicate the fact that this variant holds a BSTR. Place the
# z5 F5 ?8 C2 r M% _# T6 w1 I// BSTR into the variant structure.
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4 i7 P/ D8 {: S4 H. p) s requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( `0 }7 ? H2 y# b
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 A+ f$ R5 y" ?0 X VariantInit(&requestVariant[0]); + U4 m, t+ R3 v: I- q. T6 e# N
requestVariant[0].vt = VT_BSTR;
, Q6 E, Y# }( z" a: `& `5 O requestVariant[0].bstrVal = itemStr;
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8 _' v3 a+ l+ b topicStr = SysAllocString((WCHAR *) L"system");* @% Y5 D* \2 h; a+ w
VariantInit(&requestVariant[1]); % v; y5 E! S! e
requestVariant[1].vt = VT_BSTR;% P6 Q! }- y% W, J/ v
requestVariant[1].bstrVal = topicStr;5 ?( J4 M. a2 M0 W+ M
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
5 ]* ~9 \; O- i* C, s% } dp2.cArgs = 2;8 f8 R/ P# D& p) g& K1 J$ d
dp2.rgdispidNamedArgs = NULL;
% m4 W. q) \8 }: L4 h: } dp2.cNamedArgs = 0;- \9 A+ P/ v0 }
! K5 ]7 O6 `0 `( B! | var.vt = VT_EMPTY;0 J1 D3 g! b! M% @7 {& b( U
% n" e' g/ q- M
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(, G( a& Z0 S, I/ Q2 d
requestID,
; z+ `: H- a8 U. y" w" r IID_NULL,
3 [$ ^6 B' u! M& V LOCALE_SYSTEM_DEFAULT,8 u# d& q5 O t
DISPATCH_METHOD,
2 g8 |6 T8 K: S- ` &dp2,3 i o5 x- g4 A
&var,
, j* w) y8 d/ H2 N &ei,
6 C# C# r+ w; S: L& k9 _8 r( t+ [ &uiErr);
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SysFreeString(topicStr);; G0 S8 A8 p8 ?" i
SysFreeString(itemStr);
. C- o' Y& `7 [9 k6 F' U请问该程序是获得extend里面的哪个值?
# ^: u1 K1 @# d" d) 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???? |
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