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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:
6 k" M# i% E9 sName = (WCHAR *) L"Poke";1 f& y1 C4 q: F* c; H2 B$ k
( B6 L3 x) m- H: p$ h( \& G4 g hr = m_pDisp->GetIDsOfNames (2 q8 p" K7 O) p) s/ w* U
IID_NULL, // reserved& l4 J0 i) J( a; L$ n3 G
&Name, // Array of names to get IDs for
, C0 H; ~8 j& \' {* ?5 t5 K 1, // # of names in the array
9 l2 z$ {! l9 ]3 B( B LOCALE_SYSTEM_DEFAULT, // System locale
: _6 P* a! Z% o% A; A &pokeID); // Array of IDs to fill on output
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if (hr)
?) n3 m7 M A- C2 \ {
# S/ A9 j3 y" ~! ?) C' o" @" ` MessageBox ("Get Poke Unsuccessful");5 i- P: I0 X A0 n) l/ ?- T: D
return;: N2 N' i. m8 v' l; s" u: Z8 Q
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/**************************传递数据给extend**************************************/9 S- J+ V: i! ?8 { Q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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1 p* V, m( E# G' q$ U* H0 \5 ] valueStr = SysAllocString((WCHAR *) L"1232");! p8 Y: O5 h Q b( c; Y
VariantInit(&pokeVariant[0]); ' D8 B- i9 W) C$ {$ w- q
pokeVariant[0].vt = VT_BSTR;% N4 B$ h" a* x: L. n
pokeVariant[0].bstrVal = valueStr;8 G4 h2 z7 y! R" Y' N7 V1 g
9 [% f' N/ K; ? itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ f: }% a0 O+ g7 N
VariantInit(&pokeVariant[1]); : P* M: E L' q/ @
pokeVariant[1].vt = VT_BSTR;
4 b# i& H* T. D- V4 ] pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
/ \6 h! E) d: j4 F1 _5 n& Z# J VariantInit(&pokeVariant[2]);
0 K* b7 f9 k o# L: I8 r pokeVariant[2].vt = VT_BSTR;. `8 r' ]' }* m& ^, d% Z5 @
pokeVariant[2].bstrVal = topicStr;
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6 j* c0 n0 H6 `1 Y// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
/ k Q+ I: d2 W9 M, Y. u dp.cArgs = 3;; B \% t% o: m4 B* G% q
dp.rgdispidNamedArgs = NULL;% V; f9 E z8 L3 ~' b6 a
dp.cNamedArgs = 0;. D, a" R# `) G) H2 S0 _0 x
' i# f( g, }5 ^( O6 |$ s y! |// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 n$ b0 |* R$ d, o) N
pokeID,* R* [0 a2 ?7 n
IID_NULL,; m# n, S( i* F _, G$ G9 H
LOCALE_SYSTEM_DEFAULT,
4 }! c: u3 G3 _. [4 n7 s DISPATCH_METHOD,' W( G5 u$ q; H- F1 o0 S% A
&dp,4 N; p8 w- `9 ^2 h% h% H# L1 Y2 ?
NULL,0 z! @: e4 f/ K7 c0 S; m# U
&ei,
b+ D) u4 j& M0 y &uiErr);
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SysFreeString(topicStr);6 O9 G( A- f) v3 q
SysFreeString(itemStr);) f _# R! ?+ C- Z. P1 P
SysFreeString(valueStr);
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( j. C& K* v9 _7 ?: ^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???( b* T. h+ R% Q" y. H8 c, 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????* Z4 A$ u1 A% }) k" d/ M4 e
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2.这是request的程序9 u3 D s# _$ x I! h7 P: }
// Request a value from Extend8 a8 S) b- m% M4 d5 W: W7 g
//
" x" [/ ?7 c& v# z! A N, `// Initialize the variant that will hold the BSTR. Set the variant's
9 [" \: T. k) k1 o/ s. [: `3 R& j6 C8 B4 j// type flag to indicate the fact that this variant holds a BSTR. Place the1 O0 J. B: p W% }- g+ |
// BSTR into the variant structure., T2 \, G' o+ j/ E. Z. ]" y2 o
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 B9 X5 T1 A% v3 Y: ~
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* M( l' R2 s1 o- s" c) a8 W
VariantInit(&requestVariant[0]); 2 B; _# K$ u" D9 I5 E5 o- l3 M8 y
requestVariant[0].vt = VT_BSTR;
3 G+ K+ H: ^0 B( X requestVariant[0].bstrVal = itemStr;$ O; I- Q7 j$ Z+ ?5 K9 C
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topicStr = SysAllocString((WCHAR *) L"system");$ t7 J+ o/ v9 e4 m- E0 a% Y* }
VariantInit(&requestVariant[1]); 3 y$ `/ ^+ t; p. P1 P' Z, O! }
requestVariant[1].vt = VT_BSTR;
8 A4 h; y+ @# O6 l requestVariant[1].bstrVal = topicStr;
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H' Q" U& V# {5 p2 {: D0 E6 S// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
' O, k# v3 L. v( `' g7 b1 Q dp2.cArgs = 2;
3 t) F8 H: W% w0 C$ K; E2 O dp2.rgdispidNamedArgs = NULL;
- w/ d; }* S- T2 G dp2.cNamedArgs = 0;. W0 } C) Q% f7 o
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()1 U& ^8 E0 y' L. k4 a- ^" h
; l% X% g; s- v/ c! w8 ?; Y hr = m_pDisp->Invoke(9 S8 G5 A+ C" d9 Z' u1 c8 q4 e" ]
requestID,
: @6 U/ J: X$ i! o IID_NULL,7 _5 r/ k7 e4 V, N6 y# d/ M# y
LOCALE_SYSTEM_DEFAULT,, H) x4 K" F A. |% \! b& m5 }
DISPATCH_METHOD,% t. R$ L, q8 L5 e5 ^) r
&dp2,3 \, P) e$ A( M2 U% R
&var,
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&uiErr);
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4 l( d0 [0 p1 H! p# e. c SysFreeString(topicStr);8 F" a) C# T3 m K O3 l
SysFreeString(itemStr); o8 ?1 i0 A' F# W' \* e
请问该程序是获得extend里面的哪个值?
, c0 W* @' F5 `$ F- J/ I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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