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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:5 T9 x+ P4 S. v, V7 m$ F6 l2 j- B
Name = (WCHAR *) L"Poke";
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& d- [6 i5 g6 w4 x" N' | hr = m_pDisp->GetIDsOfNames (
6 s0 U' {7 a8 e2 V IID_NULL, // reserved
; M7 K2 ]: j; b5 w &Name, // Array of names to get IDs for
7 C% U0 O* u5 X$ U7 \ 1, // # of names in the array8 P4 q9 J/ j9 B5 E" p0 @
LOCALE_SYSTEM_DEFAULT, // System locale u! x% Q6 ^& \6 {& f- S7 a0 j
&pokeID); // Array of IDs to fill on output5 @" T0 \ E: J* p
; R/ e! ~' ~8 r3 i3 j' O7 t4 t if (hr)/ K/ D* X" r6 W q* I: f
{% j/ t9 f: D' L" b# u: v9 K
MessageBox ("Get Poke Unsuccessful");6 m) b+ E! Z. w4 d* D, \1 g! l: B
return;
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( b7 I" R/ b) v. W1 r2 {/**************************传递数据给extend**************************************/& c8 s- s( v+ S1 U
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
; N0 D( f3 N7 P* b+ |( S2 H VariantInit(&pokeVariant[0]);
0 F; k/ R" a$ v) I$ M; A+ ~$ T$ g pokeVariant[0].vt = VT_BSTR;. e1 H! n% @! G. Q6 j
pokeVariant[0].bstrVal = valueStr;
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" Z7 K" j$ D/ L# @" ^5 h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ z; C$ w) |% g( h/ g$ l% i
VariantInit(&pokeVariant[1]); + N2 e0 M* K; { x& X& S* D
pokeVariant[1].vt = VT_BSTR;6 `2 ^& C2 ]( U* w" @
pokeVariant[1].bstrVal = itemStr;$ X* i, \; F e) u# X! z( W9 Z
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topicStr = SysAllocString((WCHAR *) L"system");
6 r5 ~, D7 a6 Z+ g6 z( c VariantInit(&pokeVariant[2]);
& [1 n, \: j! V8 F4 T0 E4 x pokeVariant[2].vt = VT_BSTR;
0 L/ ?/ J) R) X; S! G9 Q pokeVariant[2].bstrVal = topicStr;
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|; [2 M4 r; U" F/ R0 n// Set the DISPPARAMS structure that holds the variant.+ J0 y& W3 n. M3 B6 C ~/ B
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dp.rgvarg = pokeVariant;0 s' B4 v$ v& J0 ]& q
dp.cArgs = 3;
9 R$ g, p4 U. j( v* K dp.rgdispidNamedArgs = NULL;( }1 m8 L+ n. U5 F" C V
dp.cNamedArgs = 0;# ?; |% D+ _, a3 u/ E3 z
$ R4 D% R/ p4 \( r& K& T) Q: @// Call IDispatch::Invoke()
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2 d2 g+ P# a$ U2 p4 V& j: Y) o hr = m_pDisp->Invoke(
* d0 Z) W, b5 `5 x pokeID,& n9 o3 k. m) r, S6 L/ v
IID_NULL,* ~. j2 v- c: ]& ` M; S6 V% P8 Q% w
LOCALE_SYSTEM_DEFAULT,; G. [8 r* n7 @" e+ U \: H- G3 x
DISPATCH_METHOD,
$ ^; ?- ^0 U8 D( z) R &dp,
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&ei,
* u. W/ V' U' [' @. r5 Y6 D; o &uiErr);0 _) {# X! ]" B" g
6 `6 K9 R+ S8 X1 i8 n0 n SysFreeString(topicStr);" P: H+ Q4 ?& h# I, ~ W# j2 k& N
SysFreeString(itemStr);
* j" g4 x3 k. [9 {: `9 h; m SysFreeString(valueStr);
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' v7 j0 D2 N, _5 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???4 {5 d# D1 x: K9 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????4 a8 Q- r% F+ z: X ^
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; Q3 w) P. J1 u$ D3 J& e2.这是request的程序
; J% Y0 Y I X! F// Request a value from Extend
9 v2 t1 X' J, c& N//" N7 `7 Y2 b; O" w( L
// Initialize the variant that will hold the BSTR. Set the variant's
- T% ?9 I, i4 R2 B+ @+ j* W& X1 _// type flag to indicate the fact that this variant holds a BSTR. Place the/ G3 {. x6 `! a7 i* Q" p6 @; \
// 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");
. D2 u$ L7 ?/ s: H VariantInit(&requestVariant[0]);
, M/ s$ W0 |# F& T requestVariant[0].vt = VT_BSTR;) J4 t1 }6 `$ b6 M! G
requestVariant[0].bstrVal = itemStr;( i& j- t' X: |# F- x, O1 q$ f' D
% X5 x% w. \+ m3 d1 z" U* v topicStr = SysAllocString((WCHAR *) L"system");1 U$ Y/ D0 K& G6 y' F
VariantInit(&requestVariant[1]);
$ f+ L& w8 e* r2 P2 c. b requestVariant[1].vt = VT_BSTR;
. }; c# {/ E8 ~ v8 m requestVariant[1].bstrVal = topicStr;6 E1 ~4 y- l3 b! Z+ e7 s" ^
5 S6 `2 b0 m) j& o1 k0 _* I// Set the DISPPARAMS structure that holds the variant.
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6 p$ ^! {/ u1 q& h! S dp2.rgvarg = requestVariant;6 m* g$ m7 o. J. y6 l1 _% _
dp2.cArgs = 2;
7 b% P7 _" c, j ^; z' o) }# ^; e dp2.rgdispidNamedArgs = NULL;& n6 v& T! g& c$ ?
dp2.cNamedArgs = 0;+ u s4 y4 j7 n5 b: i
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()4 G: _ l- K7 v# H5 v1 q5 U
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hr = m_pDisp->Invoke(9 Q, E2 d! {8 ^; P U" t
requestID,8 U( p0 g+ O& |* m/ w& o3 x0 Y
IID_NULL,1 A* I! {" Z0 M% u
LOCALE_SYSTEM_DEFAULT,
4 f K7 F6 \; s" I DISPATCH_METHOD,
. a& v# a3 O& g. G &dp2,, o6 \. D" Z. t6 a( }+ n
&var,# F, O+ ^ i" g$ H" ~& f/ @9 H
&ei,
5 P1 K/ K6 N7 a. c9 }2 K p( _9 ? &uiErr);3 I9 J& l2 Q0 a% G3 B* ]3 x9 {
. O* |/ B% a( y$ A5 } SysFreeString(topicStr);6 ?! Q" j2 u1 x% M& @0 o! o( i
SysFreeString(itemStr);3 P# m( T0 Q# p; G) x ?
请问该程序是获得extend里面的哪个值?2 K0 y0 ?; u! g$ u% l) 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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