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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:- U5 e) B7 h5 @( v" i# ?2 U n
Name = (WCHAR *) L"Poke";
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+ D- o2 f% F% C hr = m_pDisp->GetIDsOfNames (* e7 _$ U, _. E0 ^* F- y
IID_NULL, // reserved
) T6 m$ R; _1 E5 h# X &Name, // Array of names to get IDs for# f7 i5 ]* ?) l! O& G5 L
1, // # of names in the array$ E/ F7 R8 E* C6 C1 G2 N# R
LOCALE_SYSTEM_DEFAULT, // System locale& |* ~. K' K: O6 x3 D9 i# I6 ]
&pokeID); // Array of IDs to fill on output2 \) L1 B4 H+ T
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if (hr)# O$ ^, o4 D' ~
{# ?& h" n' j- B* L( U
MessageBox ("Get Poke Unsuccessful");# K. V( L# G) K
return;$ z1 s4 y) Z7 G H0 U i
}
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/**************************传递数据给extend**************************************/
/ w9 s3 Y' N3 F+ \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ m; v, e2 L$ ~/ q, {9 I( w
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valueStr = SysAllocString((WCHAR *) L"1232");
* W4 [. L; N( A# U VariantInit(&pokeVariant[0]); + n* f( O; M" @5 i3 ]+ I
pokeVariant[0].vt = VT_BSTR;' S4 [4 v1 w' c; ^
pokeVariant[0].bstrVal = valueStr;
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' l; a: t( r- u8 p6 E8 T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 b' P' c# I, m) `4 n8 M2 n
VariantInit(&pokeVariant[1]); ! |% O* H# T, Q
pokeVariant[1].vt = VT_BSTR;
# Z2 ]0 l1 n+ \( q8 k pokeVariant[1].bstrVal = itemStr;
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# r9 U# x* k/ \' e topicStr = SysAllocString((WCHAR *) L"system");
" U, {0 a2 ]1 H+ z7 x6 ?7 s VariantInit(&pokeVariant[2]);
# R; e# q! C; u N pokeVariant[2].vt = VT_BSTR; c2 X1 g. a2 C! H" V1 Y" U
pokeVariant[2].bstrVal = topicStr;; B. [% }8 O, O' K! @
# N/ z- [" W8 W! D+ F// Set the DISPPARAMS structure that holds the variant.5 @0 Y+ k! E& n9 \
7 N; @6 d, v0 _ dp.rgvarg = pokeVariant;
$ a0 j: C" [1 [% `; Z dp.cArgs = 3;
& b4 K3 I, |2 i5 ^ dp.rgdispidNamedArgs = NULL;
- W6 N% R6 p1 ^$ `3 [% q3 S) _ dp.cNamedArgs = 0;
% s: B! K. e$ M) O6 Y# K0 d- r, S0 n+ z
// Call IDispatch::Invoke()7 s6 d- k* n& O; B+ b9 M6 u, s K
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hr = m_pDisp->Invoke(0 p8 t* R2 @ {$ q2 z8 I3 Q
pokeID,
/ [8 c! i6 B+ t- X2 V! H IID_NULL,# G' U& T. z K+ f. @' `5 p- T4 P
LOCALE_SYSTEM_DEFAULT,& F- T9 |% N5 e' g& q0 U
DISPATCH_METHOD,4 f# ~. c( M- ]. d
&dp,
6 \$ A, }0 c) K7 p) O7 d1 W. t% F' N( y NULL,
' L# b. q% b) H &ei,
# y) Y! |! M& W/ s0 I &uiErr);
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- q( V; y: c" y3 @" _1 P SysFreeString(topicStr);* T5 E' A5 \6 P( t8 Q
SysFreeString(itemStr);
& f* w. ~- W2 z2 U SysFreeString(valueStr);; N0 D* R; N: L5 s) _. _ D' m
7 [3 d: z) W9 [# N4 W
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???
% w5 L9 c& Y- K- N1 H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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& K8 D6 m3 A* }. y& v- Z( r1 f2.这是request的程序 T; P: U: {2 p7 b7 N
// Request a value from Extend
6 P2 t9 V& M' o$ X7 m! \. E2 F/ o/ _//- n7 u- h$ Z X2 U! S* a S
// Initialize the variant that will hold the BSTR. Set the variant's
8 S( _. i( F7 c) v1 p// type flag to indicate the fact that this variant holds a BSTR. Place the4 f5 G' h( D9 S) M/ N3 G
// BSTR into the variant structure., ]6 ?7 R( ~$ l! m
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 g$ L2 n1 m: u& @$ b1 P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* Z3 F. f7 m u0 z$ ~
VariantInit(&requestVariant[0]);
5 A( T1 T0 ?0 h! l. p* I requestVariant[0].vt = VT_BSTR;
" D. W3 d! v A0 V; F/ Y6 G requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
: H8 k/ L6 c- {6 ~% l VariantInit(&requestVariant[1]);
$ |; R& B& N! A' l [ requestVariant[1].vt = VT_BSTR;
) b' k+ M5 P; Q! _ requestVariant[1].bstrVal = topicStr;5 O/ Q+ K, `4 G! `
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// Set the DISPPARAMS structure that holds the variant.
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R% T* t6 \! ?2 z4 p dp2.rgvarg = requestVariant;: y1 ?$ t) D) q7 {8 }8 O. \
dp2.cArgs = 2;
( z7 M; p% P1 N7 ?: m! |) b9 Y dp2.rgdispidNamedArgs = NULL;
3 S2 q' O7 `9 E* f4 ~/ c dp2.cNamedArgs = 0;' w6 ]; f) h0 |; _1 C, ]
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var.vt = VT_EMPTY;4 ^( |* M$ d; r' ^& Y' o* w ~1 d
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// Call IDispatch::Invoke()+ u* d$ x$ j. ^" D1 x0 O9 d
; L" P# f3 s, s4 f z7 [6 @ hr = m_pDisp->Invoke(
4 R+ ~1 ?/ L) I3 `( n6 ` requestID,
2 ]4 _# b+ C) n- N! Z4 q IID_NULL,
0 _7 ?& y* ]: |4 ?5 C7 k* Z$ o LOCALE_SYSTEM_DEFAULT,
# v6 P& M+ b; a7 K y) Q DISPATCH_METHOD,& ^" Q, Y( p7 K' T% ]! M$ n/ t
&dp2,# W" q* c" ]# M" }' D" ]: Y
&var," X& m8 z5 Z& K0 E
&ei,
+ N6 i2 {0 T j &uiErr);
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3 J% ~3 J2 L- O5 p! b! I9 h1 M# y, K SysFreeString(topicStr);, t- o2 u$ B( a) [; @* Z
SysFreeString(itemStr);
6 B3 @2 P6 S, \9 B& A请问该程序是获得extend里面的哪个值?
2 O# n4 s; M: D- c4 D, w8 v4 @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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