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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:
. X& q8 A* E" s" l" o3 qName = (WCHAR *) L"Poke";7 o: I* ]- Q3 x* f
4 M% f, O2 |$ P( |! U0 e hr = m_pDisp->GetIDsOfNames (
% F7 F- u1 }4 @# ?% N% A IID_NULL, // reserved
1 t* j- l& k" w8 G; i* r6 Q; z+ A &Name, // Array of names to get IDs for
( J! t0 O/ z, ?$ B( u5 I 1, // # of names in the array. p. b2 c3 N& k1 }9 L. z
LOCALE_SYSTEM_DEFAULT, // System locale( b+ U' C; G1 q- ^( r
&pokeID); // Array of IDs to fill on output4 J" c4 t z" X
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if (hr), M& g, l& ?, Y
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MessageBox ("Get Poke Unsuccessful");
* y. j" h% H! v- q3 L& ?0 r, ^ a return;' V/ S, y* [; \# |" R
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/**************************传递数据给extend**************************************/
! t. x% E: p# O+ c3 h6 Y( ]7 ~9 q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
( _- o) u0 [9 ^! _+ I; K VariantInit(&pokeVariant[0]);
% S/ X; B5 m2 o! n5 n2 G' R pokeVariant[0].vt = VT_BSTR;0 v* V+ w% S, D1 r( Y, D5 l
pokeVariant[0].bstrVal = valueStr;
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- o" i: v) p% v4 t f4 E7 t0 e- b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 G- K& _ a8 d7 Q, Z9 [3 r VariantInit(&pokeVariant[1]);
! A% I/ f$ `) Q pokeVariant[1].vt = VT_BSTR;
0 T, Y: u5 ?' ?% L% }( z$ B4 Z pokeVariant[1].bstrVal = itemStr;
/ |! U, I6 y( ^7 y2 y4 s
( k& a; F/ b) T' c& L2 n topicStr = SysAllocString((WCHAR *) L"system");
+ a& l& E0 O1 t, V1 C VariantInit(&pokeVariant[2]); ) f4 s( h5 I1 ^% W' G: G6 {
pokeVariant[2].vt = VT_BSTR;
7 e4 j: A9 w/ q1 T pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* J5 H" z( X& i1 R3 J+ I+ d. [
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dp.rgvarg = pokeVariant;
7 Z+ \) V% m- r; |+ o dp.cArgs = 3;
4 m8 O& M3 B# @0 r- U" [/ Q N dp.rgdispidNamedArgs = NULL;
5 |" D- c3 n* Z0 ~* R; m( U1 ` dp.cNamedArgs = 0;; u/ v" _( ^& w- ?$ v. z6 \
, h) h$ l$ T/ O' ^; A3 Q0 G! K// Call IDispatch::Invoke()
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/ V% V9 l0 C! ?' R( w7 }# z hr = m_pDisp->Invoke(
( X0 @* L" K* ?4 o: P pokeID,
2 r4 r: t* f+ @( e* a, v IID_NULL,
3 l; U* F5 ^' r0 l LOCALE_SYSTEM_DEFAULT,* ?6 c2 @ p' o2 f9 f7 q. u
DISPATCH_METHOD,
: P" p" W' v7 [! G9 Y! Q &dp,( m0 T% h- P. V
NULL,
& s8 ^- v* h, s v &ei,$ X4 s4 S" ?" ~- Y0 F* x2 u
&uiErr);
* e3 h9 G- }) D. I1 s5 `9 @, o' R* M0 d: [. ^( |
SysFreeString(topicStr);, r9 K4 z! M8 x# d' P7 l$ C4 H
SysFreeString(itemStr);
3 l. `; G" m3 h& K+ e* N6 i! I SysFreeString(valueStr);9 ?- \% s# T0 P9 \' e! r
/ `2 h; P, I* ]6 o6 B- J4 e
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??? V6 N; Y0 [5 J# o# n2 |- B
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????
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7 s- F! u F% t2.这是request的程序+ V9 l. _, }: l. P) J
// Request a value from Extend/ z; |! p3 Z( a1 I/ E
//
0 k* h) \* g& P$ K( f& Q, \8 l// Initialize the variant that will hold the BSTR. Set the variant's' u1 ?( X2 w& h; H4 m
// type flag to indicate the fact that this variant holds a BSTR. Place the4 E" k# _0 ^6 @" p \4 @4 ?
// BSTR into the variant structure.
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8 d, d3 F& m( P6 E' O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; [& Z0 R. L. Y4 `6 `2 H, b VariantInit(&requestVariant[0]);
4 h( x3 y. l+ D requestVariant[0].vt = VT_BSTR;. x# a! d+ b; w5 J$ h
requestVariant[0].bstrVal = itemStr;+ k$ W6 d7 U, u
# G& O$ Z( J8 K4 K4 f
topicStr = SysAllocString((WCHAR *) L"system");
. E _4 u6 h8 `+ Q# ]3 B1 S9 G VariantInit(&requestVariant[1]);
1 |8 @( E3 N3 R, b g, v7 T5 J9 d requestVariant[1].vt = VT_BSTR;$ E, D& @; N6 N8 h
requestVariant[1].bstrVal = topicStr;# T ~; x' S& U# y* }0 }8 H' s* P
8 }9 i8 d1 @- e// Set the DISPPARAMS structure that holds the variant.* {/ P$ A1 g! m2 |7 S# U
- ~: C& O) B+ W6 q* z/ V dp2.rgvarg = requestVariant;, H. L, N, g, V- H H
dp2.cArgs = 2;. u; X8 P" y. k; _( V
dp2.rgdispidNamedArgs = NULL;
% O+ G, b H! \- C/ G dp2.cNamedArgs = 0;" T* ~+ j& i% P1 d7 [3 S
0 B3 z1 S' ^: P0 t, v var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()5 L" P1 f2 a) Q! `; f e" ?
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hr = m_pDisp->Invoke(: h: |0 F% p5 C( Y7 g0 j& h- A
requestID,
! z: J+ U& |9 n: S( V0 k/ ] H# l& ^ IID_NULL,
' b, X# C! `- G LOCALE_SYSTEM_DEFAULT,+ Q" I9 q# L! l0 _$ r
DISPATCH_METHOD,, e* p0 P/ y" z- k3 X
&dp2,
( R! p6 e" O4 b1 ~* m7 Y &var,/ P7 v" b/ k* @7 m
&ei,& A. u. b- y5 B+ Z# W2 [
&uiErr);
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SysFreeString(topicStr);: {0 u" [ k a6 ~/ i
SysFreeString(itemStr);
% A/ U$ r/ {0 M z& N6 _请问该程序是获得extend里面的哪个值?
( c7 T; u! ]/ m( s+ v. U( W6 G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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