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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:
' \8 i! P1 L5 l3 X9 y0 T7 \Name = (WCHAR *) L"Poke";
! ~. }6 V/ t" U( b: x6 j: V . b* | t: h5 O' Y# \
hr = m_pDisp->GetIDsOfNames (3 }/ R8 J+ O4 @# Y
IID_NULL, // reserved* Y0 y" M. N$ s1 A @& J% m
&Name, // Array of names to get IDs for' c/ O8 f+ m# }2 e( \
1, // # of names in the array
. `* ]2 L0 Q& s* Q6 i7 a LOCALE_SYSTEM_DEFAULT, // System locale* x) k$ b$ ]. o7 Q. J6 z" ^
&pokeID); // Array of IDs to fill on output
+ b6 \# f* r6 q' v9 D ) M2 j3 k7 O% Y R2 R4 y* R Z
if (hr)5 R1 K# Q7 U+ [' x' S. {. o
{
! e5 y h n/ @% t/ x2 K MessageBox ("Get Poke Unsuccessful");
. A/ U, l9 t; Q. T/ | return;
& W7 h+ s8 j0 g9 [. ]* z7 r8 e2 K }
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/**************************传递数据给extend**************************************/
; a% t% k+ a; K. m8 o Y0 x/ ?: M: K pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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, r- j' c4 h* S0 ` g: h valueStr = SysAllocString((WCHAR *) L"1232");6 y1 _* s9 P, N8 i8 Q/ [. v5 i
VariantInit(&pokeVariant[0]);
1 O: h# F& @" T' G- l$ E/ r3 t0 J pokeVariant[0].vt = VT_BSTR;
3 P, V; k; w# @. ~% Z& y pokeVariant[0].bstrVal = valueStr;9 g8 _5 \, s. e6 U" @( C
- u w% s: L* O( N, A R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' G+ r' r: c* n9 A: Q: S4 z- Q
VariantInit(&pokeVariant[1]); / h# o0 P$ t4 E; p: T& K) j( U
pokeVariant[1].vt = VT_BSTR;' v! U" y9 l, J
pokeVariant[1].bstrVal = itemStr;! O0 E; X' |- P z8 u
$ X) ^/ ?) E% @- L
topicStr = SysAllocString((WCHAR *) L"system");
4 l* ^1 w, ? D( i3 L- A' ]9 _* G1 f VariantInit(&pokeVariant[2]);
3 h$ C4 V2 C g d+ P+ r3 ] pokeVariant[2].vt = VT_BSTR;+ f8 U/ D& F) o! L: F0 W1 N
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;0 P& Z" r' _" C6 |# G( u$ A
dp.cArgs = 3;
]0 o5 @/ Y* ^ dp.rgdispidNamedArgs = NULL;7 n7 M# ?/ G6 _+ M# D9 g
dp.cNamedArgs = 0;* f' Y2 @' o/ ^# i4 E
" ?' q o& j) R// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
) k# x; o9 E& C/ T m- d, r pokeID,( c) I6 {5 U, i4 E" X1 ^6 j6 A* C7 C
IID_NULL,
( m( G3 Z2 [! J: R- Y LOCALE_SYSTEM_DEFAULT,
" h d# C# R* ?) h DISPATCH_METHOD,
& U. Z0 T8 I4 s. W &dp,# I% ]+ ^1 g) o" d# l( l
NULL,3 r4 P0 T# f3 \! Q, c
&ei,
$ W0 g, x" H# i/ i& z &uiErr);+ r5 p& D7 \' {: {& a& X! }% S9 o/ n
+ U6 B/ u" V( R% t e" x SysFreeString(topicStr);
2 T) m% Z: P0 N( }% S/ { SysFreeString(itemStr);
0 ^( s2 {8 U. t* L! L+ D SysFreeString(valueStr);
* Z2 o( G, u' Y8 N
4 s( ?; T5 y0 c# E+ G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???
9 d; {: W- m! Z' M6 c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????; q3 M: |8 l3 [" r& [
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; u! [( M4 p) o5 o2.这是request的程序
( n$ _4 C) @3 g: t8 K' U// Request a value from Extend3 `# x5 W+ X# [" Y. k6 }
//( {) a# q! ]/ E. }& [
// Initialize the variant that will hold the BSTR. Set the variant's
" s/ b7 i" D2 p: s/ @) P// type flag to indicate the fact that this variant holds a BSTR. Place the8 V( r* G2 D# z7 B% E$ V( z8 Z S
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- q: i# ^5 Y/ `/ I$ ]
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
D+ R; u# z. ^; z$ P, E VariantInit(&requestVariant[0]); : b }) s1 B4 l1 Z
requestVariant[0].vt = VT_BSTR;7 q7 L1 D- P6 |! Y3 s9 D- s0 K6 `2 Z% Y+ m
requestVariant[0].bstrVal = itemStr;- d; E; X( x( d3 ]9 t5 E; x
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topicStr = SysAllocString((WCHAR *) L"system");+ i" g0 R: @' }2 F7 Q* [* O
VariantInit(&requestVariant[1]);
& _" C/ N0 ~9 U: M requestVariant[1].vt = VT_BSTR;) c+ n2 t. F! z8 t n0 }. p# M
requestVariant[1].bstrVal = topicStr;
' b8 v( q- {" i
3 e0 p8 |, l' m% H" P9 ^7 ]. w// Set the DISPPARAMS structure that holds the variant.% H8 R N% n% f: T7 \
3 n# X4 F6 A. q1 X- h2 `2 i8 g dp2.rgvarg = requestVariant;$ J# L) x( a0 V
dp2.cArgs = 2;/ N5 I: ~' J& Q+ m
dp2.rgdispidNamedArgs = NULL;
, r- _+ [, k' j dp2.cNamedArgs = 0;
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7 v l0 G, ~' K' {3 [8 N var.vt = VT_EMPTY;$ e% `/ ]8 b* ]+ I k8 Q
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// Call IDispatch::Invoke()
+ L2 t- g* Y- f2 x1 _) v! I" ?- f0 m
" F/ p% O6 i# l6 w hr = m_pDisp->Invoke(1 N3 a3 m; G$ z9 q* H
requestID,: n1 Y) M( z2 e$ l
IID_NULL,! `5 N0 Q4 m: Z3 E5 N7 z
LOCALE_SYSTEM_DEFAULT,
( j# d( E0 [) b7 c! N6 j5 n DISPATCH_METHOD,6 Z: {, _) n$ f& c
&dp2,
( I: J5 o* b2 K1 w0 d &var,
1 r2 t( b8 e' Z3 s. t4 Q: D- M &ei,5 ~ }+ J2 @+ i* Y' s I1 C
&uiErr);, b! H$ Z( q$ T+ q* ?
; X0 U% f) h3 }3 p3 [
SysFreeString(topicStr);6 Q$ o( \+ k. R
SysFreeString(itemStr);6 r s8 C( A. a0 |
请问该程序是获得extend里面的哪个值?
. F% ?/ w7 w7 `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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