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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:( g) G4 V' @9 j; W9 u# @$ X6 `
Name = (WCHAR *) L"Poke";$ z; g( W' N9 x8 \% `, t
7 ]6 E/ }) ^ i8 x9 A hr = m_pDisp->GetIDsOfNames (
9 V0 _ Y$ e7 q g. v5 R q IID_NULL, // reserved
9 D3 q* L- p) r2 @ x: t &Name, // Array of names to get IDs for
+ t) |, [, a6 F, w$ S t 1, // # of names in the array4 [, j9 I4 J0 C: I' U. c+ g
LOCALE_SYSTEM_DEFAULT, // System locale: v! z7 S3 G% F& h+ d
&pokeID); // Array of IDs to fill on output) T1 l0 V0 |( [6 ^ P8 D
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if (hr)
# Z! ]& T: z' _, _0 V {. U8 u# W" s W
MessageBox ("Get Poke Unsuccessful");
% J4 }6 X" M+ [# L$ G7 c return;
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% R0 K* b/ T" t1 [/**************************传递数据给extend**************************************/
8 V5 ?9 b( M3 s, B6 y8 B. l pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");& h, \$ J, U, u( ^
VariantInit(&pokeVariant[0]);
) F) B1 w5 k9 _+ D) B; ?% C% e( L- }. S( k pokeVariant[0].vt = VT_BSTR;* n; h$ c" N) Z N& ^# w1 c4 p
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, w0 \2 C9 w5 M. S9 w" }0 h! S! | VariantInit(&pokeVariant[1]); % ]7 B: [2 ?6 I1 d* }$ U2 z
pokeVariant[1].vt = VT_BSTR;4 T+ N' u+ o# [3 ^
pokeVariant[1].bstrVal = itemStr;
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+ E7 j5 ?( }# l3 Q& y! w topicStr = SysAllocString((WCHAR *) L"system");( y1 v M, F& ]2 ^, o1 C
VariantInit(&pokeVariant[2]); 8 O) M" M5 [" F* n# Y1 F
pokeVariant[2].vt = VT_BSTR;
& d7 \/ `+ s" @6 I pokeVariant[2].bstrVal = topicStr;
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8 T: p8 j3 n4 v$ @// Set the DISPPARAMS structure that holds the variant.' f% z5 {0 ]# A
- L' H) _# x/ `, R- O8 e. f u$ y dp.rgvarg = pokeVariant;
) T% Y1 K$ f1 I dp.cArgs = 3;
- c' Y5 @5 N0 [9 O! Z x$ r dp.rgdispidNamedArgs = NULL;, g" q' \5 J% }0 N2 \/ f
dp.cNamedArgs = 0;
& a. G( e: M! C; m I& T. i6 J, Z; w3 X+ V+ O
// Call IDispatch::Invoke()
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( i8 a7 {0 }$ _: y+ o q hr = m_pDisp->Invoke(8 v( A) C g+ F
pokeID,* _9 T5 @8 p! j7 T( c/ P; V
IID_NULL,
/ k5 {- C; w. c# h6 f LOCALE_SYSTEM_DEFAULT,6 c2 x( q+ Z, {
DISPATCH_METHOD, E. ?' s# N' k% _* i3 m0 I
&dp,
6 s0 y0 x9 N9 ] NULL,
# a- G" U2 T1 F" ?* z &ei,
Z! q; k9 z- ?, B" e- m &uiErr);: p# `4 e$ i u5 V* Y
& ^3 t5 f, z, I4 B" z8 y; u SysFreeString(topicStr);
% b% z: M1 g1 W( i9 S SysFreeString(itemStr);
1 r% S6 G. [5 `2 D* F SysFreeString(valueStr);
% c, A( K' Y) g: u$ {! j N0 f4 ?; Z4 T4 f% b( e, |8 i
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???
) |4 X* h# O ], P# |+ j7 O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" _! v* I' O, D4 F
// Request a value from Extend4 ~9 g/ M8 I- W- L& B1 P
//+ M# p) c. _5 O" X2 e! p! E1 f
// Initialize the variant that will hold the BSTR. Set the variant's
H5 U% I3 B8 G, V// type flag to indicate the fact that this variant holds a BSTR. Place the4 n2 k8 k1 A5 @. U
// BSTR into the variant structure.: m; ? y* Y( Y3 ^: S0 B2 b) a
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# }6 U: P5 T5 s3 g6 ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% r* H0 @1 W7 z) V+ Y0 y8 A% z
VariantInit(&requestVariant[0]); 8 G0 |* K* y; n+ p+ a
requestVariant[0].vt = VT_BSTR;7 }$ L$ m2 X( B# v
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");# ~ u& f7 P5 B2 p, h
VariantInit(&requestVariant[1]); - C5 I, X. h: Q
requestVariant[1].vt = VT_BSTR;
* ^, J1 o; z) ]* g! G3 [ requestVariant[1].bstrVal = topicStr;
1 g' S. Y$ p9 [0 K u
2 R Z8 {9 c* c// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
& |; b) r/ c6 O* |! v2 ?4 f" p. h dp2.cArgs = 2;. |( S" q4 w+ G3 s# o0 w
dp2.rgdispidNamedArgs = NULL;
% v9 ^& `8 s: x7 V, F" @ dp2.cNamedArgs = 0;
% l! D! j3 L+ e; ^" y4 f% j3 }2 e" @
9 \. L% i9 X4 H" x/ @$ d2 w var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& l7 v$ b# A2 n S" v
requestID,- V: Z4 Z, d; \. f8 ~
IID_NULL,
: ~& f% i5 Y# b LOCALE_SYSTEM_DEFAULT,% e$ c) _( q! q$ E
DISPATCH_METHOD,
; O# w8 n! _; [. A; v( } &dp2,
5 l$ ^! r" w( u: T &var,2 i/ e" ~# ~: r& e% x7 ]8 {
&ei,+ ? b3 n6 S. m4 U( @; k
&uiErr);5 n0 a" Y6 P/ H& ~
4 c" H) e0 Q$ a, W SysFreeString(topicStr);
4 f k* l3 t6 l# B" } SysFreeString(itemStr);) [8 m8 }8 _2 e* I w! i' X! m
请问该程序是获得extend里面的哪个值?
5 n- ~' b+ g l% }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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