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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:7 x2 h' O- C+ [5 _7 k) K. r2 k6 c
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (& l1 c5 X: @+ X
IID_NULL, // reserved' b1 G9 I: p% [( v- m
&Name, // Array of names to get IDs for% v* ~' d7 T& |- R& c8 q
1, // # of names in the array$ _* y2 k' {; e& S) i
LOCALE_SYSTEM_DEFAULT, // System locale
3 Q( ]# m( g0 c9 r. U; @* U &pokeID); // Array of IDs to fill on output
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) n; \; i! ^' |- z if (hr)' d$ ~( ]1 U' s2 D/ m9 M0 R
{1 M x% K5 ] x& q
MessageBox ("Get Poke Unsuccessful");4 u1 o2 |. u: ]* D: w: Y) Y
return; Y8 v: k0 j/ T# K. f& h+ Y
}
/ p7 a& m/ [1 _6 ~' p
/ f, u. w/ R0 K- y( t, M/**************************传递数据给extend**************************************/
! J$ ?5 N5 `$ t* g5 v. p# Z pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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8 H. i: }0 v$ ?- D valueStr = SysAllocString((WCHAR *) L"1232");+ H) F3 J! X* f; F) q+ {2 V
VariantInit(&pokeVariant[0]);
9 K0 i, \9 M9 G4 d0 {! g pokeVariant[0].vt = VT_BSTR;
; I: ~2 Y! t% B5 d f$ u pokeVariant[0].bstrVal = valueStr;
& G2 V! U6 n' h! J" Z2 ?0 S7 o* g: P3 X& H& P6 S
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 ^ m" q' ^/ t, C& V6 b VariantInit(&pokeVariant[1]); 7 J3 ^. K% d: K
pokeVariant[1].vt = VT_BSTR;
/ `! C0 Y( q' h* w8 |$ x pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 g1 K" C# G9 U% \" z2 t" ]% r VariantInit(&pokeVariant[2]); 0 Q d! }' E0 a. P& Y8 W# D, b
pokeVariant[2].vt = VT_BSTR;
2 v+ X% h2 m' L- L pokeVariant[2].bstrVal = topicStr;+ w, L+ O: E; s u- O5 ?
- F, p/ Q7 _6 b0 e, C// Set the DISPPARAMS structure that holds the variant.7 q# z. S- i& z B V2 ~( I0 }
+ n: F- g% S! [" s" a
dp.rgvarg = pokeVariant;
4 M* e" ^& C! Y- C dp.cArgs = 3;
4 } ^ g9 _3 z% L$ d$ g: K# x dp.rgdispidNamedArgs = NULL;- |. l4 g- {+ A& _
dp.cNamedArgs = 0;9 S7 @' z1 p, X- a9 A z- S
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// Call IDispatch::Invoke()
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7 X' y1 W7 n1 q/ V3 U6 ?% h- h hr = m_pDisp->Invoke(; T2 H8 O) k9 Q) _
pokeID,
5 z" L D, n/ @ IID_NULL,
E; ]& H$ W* O5 ^+ D# k* h& x, H1 D LOCALE_SYSTEM_DEFAULT,: h1 Q5 l9 H" Y: n5 t0 Q: @7 Q
DISPATCH_METHOD,! S/ e, e0 l8 |7 D4 `, v
&dp, S6 r' ^# n% h! V5 `2 v. m$ Y; f6 z
NULL,
" M! [( f# e2 m( U( T4 T# N &ei,* g- `" ?6 @: \! {; K
&uiErr);
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SysFreeString(topicStr);6 P5 v( x( T m) ? O" J; U. L: u
SysFreeString(itemStr);* T1 a7 ?1 o( g: t. \
SysFreeString(valueStr);" F% S4 o' h8 O4 m. W. F3 ?- ?
8 N- h) a( X' i7 `4 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???* B8 l" q3 }2 u- Z
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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: m4 ^- b0 n- @# B7 E3 ?2.这是request的程序
1 E T- N6 p. K& _3 Q// Request a value from Extend7 K! O& q8 M7 Z
//* P. J) v( N" V6 p- N- _( n5 v
// Initialize the variant that will hold the BSTR. Set the variant's/ @$ C2 Z0 j+ [/ A# A9 T
// type flag to indicate the fact that this variant holds a BSTR. Place the, d/ u( A& A3 g
// BSTR into the variant structure.: q1 Q9 u6 r' G
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ A3 W5 Q; T1 J2 h
VariantInit(&requestVariant[0]);
& ^* x8 G/ v- ]2 ^/ W# P& B requestVariant[0].vt = VT_BSTR;
1 f( F# ?( k! e6 U# T requestVariant[0].bstrVal = itemStr;
+ n6 f1 }1 _% _: w6 d7 q) P
3 g ~: X% o/ t# I; p) Z+ z topicStr = SysAllocString((WCHAR *) L"system");$ I1 x6 F& S* w( w0 T
VariantInit(&requestVariant[1]); , i4 F+ g$ Z$ O4 e
requestVariant[1].vt = VT_BSTR;
. `0 o9 ?# ]9 S1 F3 F. c requestVariant[1].bstrVal = topicStr;! `+ k! _2 r; l1 a9 o; C
( o. D6 s' ~* n1 q& ^" Y// Set the DISPPARAMS structure that holds the variant.
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/ f ]/ w8 e5 s5 b8 F dp2.rgvarg = requestVariant;& p2 G1 N$ l/ P) S' E* H1 t+ t
dp2.cArgs = 2;/ O" t9 } m6 |- T
dp2.rgdispidNamedArgs = NULL;
( O0 l4 S. R) W# T1 ~" E' K' A* N( _ dp2.cNamedArgs = 0;1 \2 k! G6 F! K3 x* [" c( a
8 e6 R1 p) _; r+ ^ var.vt = VT_EMPTY;: j9 N ^4 E# V* y+ ]
5 J" ^7 |! G& C+ g5 X2 v% c// Call IDispatch::Invoke()" h( B3 c3 U' E
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hr = m_pDisp->Invoke(2 J$ a$ v' ]$ a; l; K' |
requestID,- A" J) Z' Z' W6 s
IID_NULL,. t; q$ s4 U9 J$ P7 e4 K: N
LOCALE_SYSTEM_DEFAULT,2 c; Z6 X5 @) @% y" b) I X& n. \
DISPATCH_METHOD,
# b' ?1 L3 J1 L4 m; M; p2 I3 w &dp2,
! G6 Q) l( b5 S# ? &var,
. }+ F$ V: Q( G$ @ &ei,# N4 F( r( j( a$ m; H' W& r
&uiErr);
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9 X, @- b3 n: v: X) @) [ SysFreeString(topicStr);
5 z% @4 j- y' }( M- n SysFreeString(itemStr);, V6 K9 u/ {! Q$ _, l- F
请问该程序是获得extend里面的哪个值?/ @9 z' d7 L; p; x
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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