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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:
/ \( B6 ]& ~- m9 W: R( UName = (WCHAR *) L"Poke";
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6 T4 Q! @+ }) b3 L; Z0 X hr = m_pDisp->GetIDsOfNames (4 D. A! ?1 T$ n3 I) [1 o
IID_NULL, // reserved
' @, @9 k0 s' h+ x6 l" D, q" Y6 R &Name, // Array of names to get IDs for9 q/ b5 `1 D2 z" R# z# A+ p- M
1, // # of names in the array x( D# t& V3 M. i8 P
LOCALE_SYSTEM_DEFAULT, // System locale ?( }% @- {) G9 r9 V- R
&pokeID); // Array of IDs to fill on output4 ~& ~! x0 _+ M+ A8 w3 N
3 Y0 Y! G' H7 @" Y
if (hr)7 _ p* i. T p( ^, R
{ y* m* `; B& ]6 A2 v
MessageBox ("Get Poke Unsuccessful");. I6 h& |2 ]; ]. P( }
return;1 z, A, V! G, e/ }
}
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) h/ W. ~+ K0 m& Z* x/**************************传递数据给extend**************************************/
& @ E# v- B. D" Z5 d+ E; r# c; L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
$ ?7 t9 l' j, z; E: j VariantInit(&pokeVariant[0]);
3 w$ r# O7 Z, W) P2 V7 `5 ] pokeVariant[0].vt = VT_BSTR;9 C3 u$ R Z( P* y
pokeVariant[0].bstrVal = valueStr;
& k) Z0 L8 G$ k4 V! F) \$ _
# ~6 A1 a$ z s0 W6 j! v5 o3 N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: b( U8 @- m3 |& @: c VariantInit(&pokeVariant[1]);
$ t, d) e. | W. p# W5 j pokeVariant[1].vt = VT_BSTR;3 f0 Y7 B' ?) S" R% P
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
" {* f- f$ [+ G VariantInit(&pokeVariant[2]); . T3 S8 R/ X8 l! _
pokeVariant[2].vt = VT_BSTR;" _ U9 U3 c7 a8 x. U! U+ f
pokeVariant[2].bstrVal = topicStr;6 E6 o; B4 Z* i1 p
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// Set the DISPPARAMS structure that holds the variant.
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( {- i1 Y8 c9 j- m+ Z5 e9 ? dp.rgvarg = pokeVariant;
@9 y' _' M$ V8 k dp.cArgs = 3;
X8 W% h: x4 s2 T8 @: p' H3 O dp.rgdispidNamedArgs = NULL;
f/ N( @2 E" d: ^( h0 |& _7 h! C ^ dp.cNamedArgs = 0;
4 u. Z7 O" |8 n9 q5 g1 l( m
) O4 _( U) j* M% P8 @ X0 k! b// Call IDispatch::Invoke()) B& |* I! H; z7 t" M" F; F; C
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hr = m_pDisp->Invoke(
9 D$ U# f0 T d, E. \, G- T pokeID,
9 Y' ^6 S B9 ^( L! B% H% } IID_NULL,3 B% b: Z) B1 e$ I2 N5 q
LOCALE_SYSTEM_DEFAULT,, Y& V) z* y6 }& F
DISPATCH_METHOD,
; Y8 D+ c! g: T &dp,
# {$ A9 E5 ~! g) o! T NULL,0 k+ f- E' {* N9 N
&ei,1 Z) _: C; h# M" H1 r7 _
&uiErr);
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# `9 e/ I5 _& g8 E7 [" n- w SysFreeString(topicStr);/ |$ x7 x) D/ b1 {2 z
SysFreeString(itemStr);
$ k, D9 c( ~* d, T4 M+ u8 } SysFreeString(valueStr);- j9 h2 H4 o$ _; F5 i4 ]$ w+ D
2 Y o3 i) g) j- {- X8 E& q0 O
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???
) c/ }4 R* G6 r7 f J4 m. 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????
1 N# \% G( c. R; I4 `$ z7 c. g# d. O. A. M4 c; w% H
/ @# H5 c) F) f; I) `2.这是request的程序
7 t G6 K t) }, C6 q. g4 ]4 H// Request a value from Extend
; ?2 u+ j. I8 @$ |7 `+ h8 `" N//; Q4 \5 ^8 `( v
// Initialize the variant that will hold the BSTR. Set the variant's
: ^; P6 i; {, x7 R& W( A0 A1 S( `% ^// type flag to indicate the fact that this variant holds a BSTR. Place the8 V4 e9 \# \: J% Q
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' @7 r; ^0 K2 @0 x! V VariantInit(&requestVariant[0]); & g! y2 F. @8 J6 d
requestVariant[0].vt = VT_BSTR;4 s" O# ]" }; Y1 z9 J; y$ g6 d
requestVariant[0].bstrVal = itemStr; `8 `. M2 c' u- \, j
# A) K# | R) e1 a8 t- M! W" t topicStr = SysAllocString((WCHAR *) L"system");
6 D* [2 h# y7 u VariantInit(&requestVariant[1]); ; C0 `' T! p: a- Z
requestVariant[1].vt = VT_BSTR;, p t2 c; P" c7 x
requestVariant[1].bstrVal = topicStr;: w4 R0 S$ ^- _: T$ n; P" H
+ A4 ^, u4 a6 Z6 W# x s// Set the DISPPARAMS structure that holds the variant.* C3 w' O4 T# ?$ m7 A
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dp2.rgvarg = requestVariant;
" p2 o ~# f* K `" K dp2.cArgs = 2;3 T5 l7 g+ P U; a) } Q
dp2.rgdispidNamedArgs = NULL;) i: ~, B z8 F" _+ Z. ~
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;/ O" K( b6 T, ~6 ^( u: F. ?: b6 ~
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// Call IDispatch::Invoke()7 Y' P# A4 E& r9 N2 F
* _+ C" f2 B$ y6 R! b9 D/ U6 b hr = m_pDisp->Invoke(, p, c; S7 q* U( ?( z
requestID,( Z4 e5 _9 u; x' R3 h7 y
IID_NULL,
8 F1 ]/ x6 _2 m4 [' A+ Z" h* `2 D; [ LOCALE_SYSTEM_DEFAULT,0 U7 V K7 ^& f' s" @
DISPATCH_METHOD,% }: n6 {+ e" T, I8 e5 Q
&dp2,
+ H% Y- F/ j k/ G+ f0 `) ~ e, F" D$ | &var,: ~$ X' k) d' j* [3 R9 u
&ei,
4 m6 _, ?0 J$ G$ t3 Z2 Y3 k9 l4 q &uiErr); O5 j, |3 n! N6 [ n, [+ M
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SysFreeString(topicStr);
1 x% s5 s0 b! V( F9 [8 c1 r SysFreeString(itemStr);
0 s' F2 U+ L5 \2 c9 o请问该程序是获得extend里面的哪个值?
3 |% V5 c( O6 C9 A' r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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