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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:
; j3 _0 p( [. u1 w3 EName = (WCHAR *) L"Poke";
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$ n1 h& f* O" L6 @ hr = m_pDisp->GetIDsOfNames (+ w3 X1 K1 B/ j0 o0 T
IID_NULL, // reserved8 s {% G, w# Y) C3 x
&Name, // Array of names to get IDs for
% L+ w% S! C" f4 S: s+ B0 q 1, // # of names in the array
; ~4 L" _6 c, b2 R: X- t3 o LOCALE_SYSTEM_DEFAULT, // System locale
, r/ @5 x% m5 ?2 a7 ?' K, X &pokeID); // Array of IDs to fill on output* W0 { F- F) ~- t1 `: y6 T
6 W* P T+ ~6 e0 R if (hr)- U# m$ P7 k0 O7 S. {. B
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MessageBox ("Get Poke Unsuccessful");* \# D5 _! y( t
return;
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/ a! R6 h7 P7 |- ~+ r% \
2 o! B9 J+ ^" ~/ F8 p/**************************传递数据给extend**************************************/ R! R( M$ {1 f
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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7 A: D' G2 x& ?) ]; Y- a) ~4 N- Q valueStr = SysAllocString((WCHAR *) L"1232");
$ T- H3 G$ O1 t, R VariantInit(&pokeVariant[0]); ) d/ V8 i, _$ q6 A# K
pokeVariant[0].vt = VT_BSTR;
/ W% s* |1 X6 d6 j# p5 q. O' a pokeVariant[0].bstrVal = valueStr;
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2 F$ F' U$ p, f2 P5 U itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ~ A1 \2 A1 A) b
VariantInit(&pokeVariant[1]);
- x$ u1 H" X/ P pokeVariant[1].vt = VT_BSTR;* z. D r( K- L/ |0 y. [
pokeVariant[1].bstrVal = itemStr;" i4 a9 ?7 B, z. W( E f) n
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topicStr = SysAllocString((WCHAR *) L"system");% t( l) p7 g; j& T
VariantInit(&pokeVariant[2]); 0 L/ ], C9 K4 H1 G! T4 g9 k. R
pokeVariant[2].vt = VT_BSTR;
, e: x7 C9 k x3 Y0 u" z pokeVariant[2].bstrVal = topicStr;
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) B- m) U/ u! r- h+ ?# W9 ~// Set the DISPPARAMS structure that holds the variant.
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6 Y! x! B+ _ ]# a& F dp.rgvarg = pokeVariant;
; {9 {( ?6 {2 _! h1 J dp.cArgs = 3;
$ |' g$ x$ ]; S/ M7 c4 T dp.rgdispidNamedArgs = NULL;1 E9 j, _6 n% b6 z
dp.cNamedArgs = 0;! @& p4 Z; X! b, X6 [, Q6 B
7 R0 w8 V. w0 W# v& R& M0 i5 L, g// Call IDispatch::Invoke()5 G: n# U/ G0 b& P
$ v0 y8 O( u) ^! |5 y# t' }3 A) N hr = m_pDisp->Invoke(2 i6 d8 j% t9 z* ^, G1 u' J
pokeID,5 A9 e, ~: K/ `8 {4 A5 m+ F3 q
IID_NULL,5 L# t$ e3 p7 d5 U3 M4 @; Q& m
LOCALE_SYSTEM_DEFAULT,
: c. t- V7 o( M" `9 A6 {% { DISPATCH_METHOD,( T2 H. r T0 F5 l- O
&dp, }" Q! Z7 D- l* e$ }+ j$ n
NULL, {% X6 ?3 \( w8 D+ R
&ei,2 v: U d8 q/ p+ d) s3 |1 S+ z! c; Q
&uiErr);
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. M9 y A$ T! ~! n/ O1 d0 I: H1 k2 q% F SysFreeString(topicStr);; d* t. B: q( r. v
SysFreeString(itemStr);
: ^8 o$ r9 [( v( _9 j: M" m SysFreeString(valueStr);
$ _& `6 e" ~4 ^6 m1 U% j; X/ \/ V' ]
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???
5 }0 j- h+ \6 \1 p2 e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????9 p. [0 {- V% R* @( |8 v/ \; m
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2.这是request的程序& ~ S0 i& ]1 O) A. h
// Request a value from Extend
4 w6 M' N1 x+ g6 P% X//
% k, d. D0 G# Q2 G$ T% D3 ~// Initialize the variant that will hold the BSTR. Set the variant's7 n" t T+ R y! h1 a* ^4 P/ S
// type flag to indicate the fact that this variant holds a BSTR. Place the
, C8 ?, Z2 ]- r3 P# y0 y8 s// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 p$ } j* v3 Z
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' `' _3 m1 K# O% V VariantInit(&requestVariant[0]);
& K( @$ C% y7 D1 \, R# R8 F. k7 J, \ requestVariant[0].vt = VT_BSTR;
5 V" R5 e$ D8 k4 P requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");; ~7 V7 o+ Z9 d; N' G W
VariantInit(&requestVariant[1]); " Q7 g8 c" K, y7 c1 E7 J; Z) o
requestVariant[1].vt = VT_BSTR;
; o% T3 t9 }$ k: R, d6 B6 o% _. } requestVariant[1].bstrVal = topicStr;; k1 a( N+ h' ]/ z2 v6 Z
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. f' L8 A0 [; F: A2 u
dp2.cArgs = 2;+ f& r: M7 D1 |3 M- d
dp2.rgdispidNamedArgs = NULL;
, T" ~* X8 Q n& U) N6 P7 B dp2.cNamedArgs = 0;7 I* W/ B! ^3 Z* D
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var.vt = VT_EMPTY;$ ~" P6 ~, V- s( l! U: H; \
! A9 ]# f, A# Z( m// Call IDispatch::Invoke(); r6 |8 Q2 T. w" T" p8 Q4 y
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hr = m_pDisp->Invoke() @+ I9 S6 a6 }" {( G6 @/ v. K
requestID,
& R: s1 [+ e. Z+ E5 B IID_NULL,. _7 u5 B$ `% ^) c$ \+ z% G
LOCALE_SYSTEM_DEFAULT,
6 {7 ~5 F& ?; Q+ {" t5 o DISPATCH_METHOD,
3 t- _; L* Y- b+ V) ]! k/ ?' g' _' ? &dp2,
' r0 o% f' p/ c- w# U &var,
7 p, O. @) b! Z4 k4 O &ei,
, G3 l' w. w- U- M4 a &uiErr);& L1 M: I5 [" {3 f P6 Q
Q+ G3 i# x7 J9 }4 b8 d
SysFreeString(topicStr);4 R" a; _( h1 I- @- J/ G; I3 Y
SysFreeString(itemStr);
1 l5 w7 L# T5 h8 _* J请问该程序是获得extend里面的哪个值?1 ?$ J" Z/ E+ {
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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