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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:2 L$ u6 }$ E% i. o+ o0 R o4 X
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (! \" F7 ~* B- w. d c2 a
IID_NULL, // reserved+ Q/ K3 S9 V' B* P2 i4 c( r
&Name, // Array of names to get IDs for
# R3 q" L0 j# }8 w" Z 1, // # of names in the array9 _! ` _6 }& a" U( h: u; q) i: }
LOCALE_SYSTEM_DEFAULT, // System locale
6 V9 _; }$ C: {. S4 c4 J! E" S &pokeID); // Array of IDs to fill on output& _7 D/ Z# K) P9 x( N
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if (hr)) c( z/ H$ d: T- |' i
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MessageBox ("Get Poke Unsuccessful");- a- t) s" W/ F4 O4 g
return;
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4 D3 [/ ^# g0 d. ]. R% h( e# I2 N, \/**************************传递数据给extend**************************************/; m0 W& a e6 o# H3 u( O
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
. H& a( K3 W8 F7 ]" ~# i VariantInit(&pokeVariant[0]);
3 `* k4 ~" [, R9 B: v$ ` pokeVariant[0].vt = VT_BSTR;5 i) I" P) n& B- a. D
pokeVariant[0].bstrVal = valueStr;
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: N' z5 J/ m- _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( }7 W7 Z' J% }2 a VariantInit(&pokeVariant[1]); ( N; J' N( o+ C; l
pokeVariant[1].vt = VT_BSTR;
9 G) ]8 P# c# O( p1 c- y% Z! s+ K pokeVariant[1].bstrVal = itemStr;$ }+ x& N7 y& m2 k8 `* q
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topicStr = SysAllocString((WCHAR *) L"system");: @) Q# K4 v/ F4 x( E7 r E
VariantInit(&pokeVariant[2]);
- q* m" R9 W3 a/ H' Z8 y3 {; e pokeVariant[2].vt = VT_BSTR;
& Q8 g) l. c6 C) z/ c; [& J pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;4 P D1 ^ M, Z1 u- o
dp.cArgs = 3;
- P6 J" \9 R$ j4 s1 a1 ^: G1 ? dp.rgdispidNamedArgs = NULL;( ]; P# u0 i4 x; e K2 C7 q( | D2 D
dp.cNamedArgs = 0;
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* Q# k- Z+ c: ?// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
$ r7 q) T0 t) p; X- I( g6 s1 G ` pokeID,
# @* N9 z" z+ m2 r2 S IID_NULL,
: ]+ {) a% G- ^1 X& L LOCALE_SYSTEM_DEFAULT,
+ y) d$ W; B' t) |6 }* }" t3 g/ g DISPATCH_METHOD,& t$ w2 R5 L0 [0 S9 y
&dp,' s6 D% W6 k: P$ `" ?% b
NULL,& D; J/ G, q0 X4 k
&ei,
: P m. l) B' d2 ] &uiErr); j3 G6 T* l1 u- o# H0 F
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SysFreeString(topicStr);, [8 j, T, F9 w) i7 Z" \' L$ j8 A
SysFreeString(itemStr);3 e! }0 A& m, j4 F; X* E9 _6 ]
SysFreeString(valueStr);
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3 G/ V# z0 i# ?4 H8 `: Z8 B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???2 U: m; q% Q( ~' Q8 Q6 J% A8 D
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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/ C# h x3 y$ }; O' }' B2.这是request的程序
% f8 R% M. F% J r+ I0 K& x// Request a value from Extend
) @7 Q* Y2 f4 y( S1 `' l//
3 {& q! p" M9 B// Initialize the variant that will hold the BSTR. Set the variant's
+ ~! E4 m8 C1 A% K! n2 Z// type flag to indicate the fact that this variant holds a BSTR. Place the
1 A- O3 K" ^% @* r% b# x2 B$ t// BSTR into the variant structure.. E% p1 B3 e4 x# k- x! `2 n
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! E3 t) s0 Q6 n
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
J6 V: |; S- W5 \; K- X- b VariantInit(&requestVariant[0]);
/ E3 U! G4 I# ?, [5 _ requestVariant[0].vt = VT_BSTR;
" ?# B' y, Y; V& a; H requestVariant[0].bstrVal = itemStr;! v! h1 E% ~* K) n' c6 ]
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topicStr = SysAllocString((WCHAR *) L"system");( c6 \2 Y1 u( o8 f# Z' k( |. t
VariantInit(&requestVariant[1]); ( G9 n$ z& p8 c& G& M
requestVariant[1].vt = VT_BSTR;
* o# x* X( Y' u- ~- h+ U4 x requestVariant[1].bstrVal = topicStr;: k0 Y, g8 k9 t4 k2 p( O; f" p
3 l* A4 x6 N* m( W// Set the DISPPARAMS structure that holds the variant.' _8 Y6 m" V% |" v% y7 `
% v' ]8 O' q' h8 b dp2.rgvarg = requestVariant;$ C5 }' L; R# C% A( K
dp2.cArgs = 2;
T0 Y/ K \5 ] dp2.rgdispidNamedArgs = NULL;' x; P7 f9 O# g+ N+ C( }
dp2.cNamedArgs = 0;# ^3 s) p) N( a" A' C% K7 P- O# k
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var.vt = VT_EMPTY;* T' u, W$ |, A9 u
) {* A k5 x: F5 i// Call IDispatch::Invoke()) G; Z4 G f- Z$ ^
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hr = m_pDisp->Invoke(* z; y9 c6 Q1 M8 g( }
requestID,
7 G, d( }; c4 P IID_NULL,* W# R3 h$ s! o1 ]$ q9 T8 u/ W
LOCALE_SYSTEM_DEFAULT,* B, y5 k9 J8 n+ H* p
DISPATCH_METHOD,7 s0 e1 u$ H& I' S$ o2 p4 ], [
&dp2," v8 e3 R3 m. M; |. d
&var,6 |6 g& ?, H7 @' S: }7 |
&ei,
7 R5 k! m4 f S Y( w# ^ j# R &uiErr);+ m- T6 K& F9 @ S2 [7 S
& K8 _0 R) h6 C% A SysFreeString(topicStr);, }) m! Z( R7 d5 T3 D
SysFreeString(itemStr);
& @$ e6 X: A4 @# X% ?请问该程序是获得extend里面的哪个值?9 _* {# W; n1 [1 Q- j
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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