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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:
% c, G7 Q9 j8 vName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (2 \# z- r- I4 [0 \ L
IID_NULL, // reserved6 B! W `# ?7 s9 a1 p% a
&Name, // Array of names to get IDs for
( d, B0 i/ L5 D6 K8 j 1, // # of names in the array
# j1 Z* j* ]4 x. B0 P: c LOCALE_SYSTEM_DEFAULT, // System locale, Q7 |! X8 l% r! u% o
&pokeID); // Array of IDs to fill on output' B0 ~: F1 ^& M, F' {* h% `
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if (hr)4 s- l% j* K* \
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MessageBox ("Get Poke Unsuccessful");* H( d. W& d5 k4 E
return;
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/**************************传递数据给extend**************************************/
0 m* j6 w( Q# w6 [( \0 {3 ^ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# @/ V9 B, j- `9 ^. G8 C * y/ `- C7 G' x j9 C
valueStr = SysAllocString((WCHAR *) L"1232");
' a1 Y* [- S/ f( g, }* K8 V4 W1 V VariantInit(&pokeVariant[0]); # b3 N- M7 _* a v, k$ `+ n9 U# v
pokeVariant[0].vt = VT_BSTR;
% n5 S7 b. i4 ~! b9 o% p; Y pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 X3 b5 S3 H, ^0 G# d VariantInit(&pokeVariant[1]); 0 u$ q% d" E/ f/ v
pokeVariant[1].vt = VT_BSTR;
( r- R' N: \. Q pokeVariant[1].bstrVal = itemStr;4 q+ w1 |5 z% Q, p" a) P. U. T
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topicStr = SysAllocString((WCHAR *) L"system");, |6 h# a5 R# U5 R
VariantInit(&pokeVariant[2]);
0 a' Z9 w! o" w0 d pokeVariant[2].vt = VT_BSTR;( |& u. M Y- r* v( O) }: |
pokeVariant[2].bstrVal = topicStr;
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3 H7 s" A x! N, Z% l i// Set the DISPPARAMS structure that holds the variant.$ f! J/ ^& j, t- q7 I$ T. I
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dp.rgvarg = pokeVariant;/ l8 [$ K0 q6 W3 `- b( m( v6 }. u
dp.cArgs = 3;, i3 }* U. M( [# `5 k
dp.rgdispidNamedArgs = NULL;
: X, n: R( `. O; }" }7 T1 |! m& O dp.cNamedArgs = 0;4 ]! j; G3 I1 p
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// Call IDispatch::Invoke()/ @3 D" ^0 ?- I6 R- e
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hr = m_pDisp->Invoke(
2 K+ l2 t0 j( Y, K: u, y# K3 y pokeID,
1 R6 B* h, W9 r x IID_NULL,: _' l) K8 e5 @7 {& G4 X
LOCALE_SYSTEM_DEFAULT,! B: f6 P' H, T8 x* ?. v
DISPATCH_METHOD,
2 F- ^' S2 b- e# t &dp,! f$ l2 c$ V# ]2 J( G: n+ W5 V
NULL,; B7 O6 \& a8 Z$ f
&ei,
% W! p+ H" e5 i0 |/ U &uiErr);7 y& f* r" x0 q
3 a! G. [( y, a- U3 ? k9 C SysFreeString(topicStr);
G/ e7 A- G7 I& `# m& r SysFreeString(itemStr);
3 z8 C% ~4 {0 V4 f. t Z+ p SysFreeString(valueStr);
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- C W' y3 o4 j, U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???- f! M3 n* {3 A
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3 M! {+ h/ ~1 T# f j6 }
// Request a value from Extend
3 E5 C. F; m0 m- i/ j9 d% I' y# n3 j//
& T# k6 l' l( y+ w; Z2 E4 a% R1 j6 N// Initialize the variant that will hold the BSTR. Set the variant's. ~' ~ Y C. y0 \* B
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 n. N" @# c) z, `8 p// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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4 K2 i! n9 @: ^, O/ t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 [1 A# i9 D( V
VariantInit(&requestVariant[0]); : Z x! {+ p; E9 @: H, Y
requestVariant[0].vt = VT_BSTR;1 r; d; C; E! _+ i0 S6 A
requestVariant[0].bstrVal = itemStr;
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, U! F$ T a/ z4 B9 f2 r- n topicStr = SysAllocString((WCHAR *) L"system");
6 P& h6 L. S( i; S9 S VariantInit(&requestVariant[1]);
4 F- I5 ], B$ w requestVariant[1].vt = VT_BSTR;5 Y2 d" ~1 }! P5 O% t8 I/ G# u
requestVariant[1].bstrVal = topicStr;! u) m: n2 R& `7 m4 m' J" L
2 r+ ~3 A1 j9 Y, `' z" q// Set the DISPPARAMS structure that holds the variant., g4 \- y' a0 u9 T( t Q
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dp2.rgvarg = requestVariant;
8 K2 u, ?$ W: ]/ h6 o6 o5 k) d dp2.cArgs = 2;
, N0 o; y; A5 Z/ q, o dp2.rgdispidNamedArgs = NULL;: o! A' h) k2 x6 D
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;; c# C/ D6 t' R% x& D; r5 K- T
8 P' P" [) }( A- L0 f7 {9 n// Call IDispatch::Invoke()* I K1 s* Y# Z& N) N% a: g5 r
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hr = m_pDisp->Invoke(. l9 C. i0 k/ J3 r5 N0 @
requestID,* G) C" q/ L) D* p+ j
IID_NULL,, ?& J; A; }" G3 f( y& x( t( K i
LOCALE_SYSTEM_DEFAULT,: ?$ ^- D4 G$ n! H, \
DISPATCH_METHOD,
6 T' y- x/ a3 ?( C; }* d &dp2,' [* g1 h2 w M
&var,, R1 m6 v: j- b+ ^* Q7 w$ A, S
&ei,- F- R( t2 A4 c8 g8 g- h
&uiErr);
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SysFreeString(topicStr); M* A4 L" G9 S# K- g1 F" Q) V4 D
SysFreeString(itemStr);
! M: ]) Z' e" c- {- p) `请问该程序是获得extend里面的哪个值?
' C9 R: q/ R" S6 u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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