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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:0 J: P+ g0 I) V3 Z( _* @
Name = (WCHAR *) L"Poke";( }9 J/ y/ G2 I0 g9 e8 E( a
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hr = m_pDisp->GetIDsOfNames (, b' C7 b1 g/ T
IID_NULL, // reserved
1 W2 `1 i1 }3 E &Name, // Array of names to get IDs for
5 [3 z+ a- X& k 1, // # of names in the array" @& f2 F7 c/ Y0 K. _
LOCALE_SYSTEM_DEFAULT, // System locale( P5 L, Z, M8 h; Z d* b: t$ h
&pokeID); // Array of IDs to fill on output* y* ^0 n) ? y+ m
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
! R* }1 l! E( j2 t2 t, U return;: q$ n: u6 n4 ?- e F4 F
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/**************************传递数据给extend**************************************/* G: b0 N! g9 |0 O" h# p- N
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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6 e2 n9 h8 ]5 ^! L( Z& W valueStr = SysAllocString((WCHAR *) L"1232");
( ^) l, N; D4 |3 L; p VariantInit(&pokeVariant[0]);
+ M* _, m; r) C pokeVariant[0].vt = VT_BSTR;0 A T4 y* \. X6 j' v9 \% \% c
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! Q! n6 V3 ]6 q X& y) D- U
VariantInit(&pokeVariant[1]);
2 ~' b# w' R V9 T% H+ C& h pokeVariant[1].vt = VT_BSTR; x" ?/ L/ z+ a2 `6 T
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");- e2 e' `3 r: b! m
VariantInit(&pokeVariant[2]);
/ y, {$ r* v; P7 c pokeVariant[2].vt = VT_BSTR;
1 _' f9 D* R* @) h7 k pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.8 v+ Y2 w$ [! y$ o) C3 I! M, R* g
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dp.rgvarg = pokeVariant;# t0 d2 u4 \0 \
dp.cArgs = 3;
/ b& N9 R, X: B dp.rgdispidNamedArgs = NULL;
( x9 b4 X: L, P6 k9 B( w dp.cNamedArgs = 0;. e1 j5 i4 x: l8 i
/ Q3 T" ^4 \1 D0 Y5 f6 j t2 ^+ R// Call IDispatch::Invoke()
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; G+ y: E* G4 e" l4 k6 i hr = m_pDisp->Invoke(
' a' |/ z8 ]8 y; a8 E& p; u& p- | L pokeID,
H; R3 W8 T) j% w. A IID_NULL,2 }% e6 W" l) |+ f! G( n- L9 d
LOCALE_SYSTEM_DEFAULT,+ V3 c/ |$ r: V
DISPATCH_METHOD,
0 B) ]/ |5 o# o &dp,
/ v% t5 ?- q( [, r' G7 p, @5 h NULL,5 G4 [6 e. G; E# z. x
&ei,
# O* U/ y. ~5 Z8 {7 g; t &uiErr);
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SysFreeString(topicStr);% a( W/ i. {9 {$ O+ k |( K9 @6 |& ~
SysFreeString(itemStr);& A! G9 g, y" L/ z4 `7 S% ~+ I
SysFreeString(valueStr);
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% [3 D: r4 [: d7 |9 S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???' ]( o, i5 \ o
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????& v& b! ?( F* _ E- ^3 u4 B k, \( e
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7 U9 K$ g5 h: e8 h8 J2.这是request的程序' e# i1 W, A0 X9 [
// Request a value from Extend$ ~3 R# p C! E' d1 ]/ y# H& Y8 K7 g% u
//) O0 K( h+ a& J
// Initialize the variant that will hold the BSTR. Set the variant's% g, e( E% l3 b! _
// type flag to indicate the fact that this variant holds a BSTR. Place the
( Y. ?! T7 N& @// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 s0 L! H1 A# y% W7 x) i+ U
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ D* @, t$ I) O# C$ v; j+ }$ H" N4 B
VariantInit(&requestVariant[0]);
- |. D- E2 F; j requestVariant[0].vt = VT_BSTR;
$ @ R( _5 ^ ~( W2 e4 J: G requestVariant[0].bstrVal = itemStr;
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; X2 c' Y* X. x* b3 N6 ] topicStr = SysAllocString((WCHAR *) L"system");
5 x i4 s* d* B$ a+ `! _; `. N, z VariantInit(&requestVariant[1]);
, x6 i. @" z& L( O8 d, q/ E requestVariant[1].vt = VT_BSTR;
! p6 t' Z$ o# k* r6 ]" b3 Z! M requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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3 [+ y0 [5 B: U: K5 f7 s6 z dp2.rgvarg = requestVariant;
" l1 |# ]/ o+ W+ Y$ i3 C/ i) N+ D9 L: I dp2.cArgs = 2;
6 N3 O8 }9 x$ j1 ^+ G% K' y dp2.rgdispidNamedArgs = NULL;; d6 [+ c3 E# H9 H7 ?% A* ~! f/ U
dp2.cNamedArgs = 0;# j$ h" H7 X- Y" E: `: _
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var.vt = VT_EMPTY;
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! U" x! j5 |* a- t* m// Call IDispatch::Invoke()
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5 M8 x0 I' [" p2 U% x+ X1 X hr = m_pDisp->Invoke(+ o b- j$ k% n+ c# L& p( ^
requestID,# k/ k: [8 |: g& V' @1 D
IID_NULL,
( ^4 Y4 n. v) t: K' ]- u LOCALE_SYSTEM_DEFAULT,
; e6 L" E5 @2 x. Z1 K1 M; J2 q DISPATCH_METHOD,
" ^6 P, o- Y6 W/ J7 j. |3 Q &dp2,
. H- l# W# ]9 ~7 x &var,
* Q' g' W# l2 d5 l0 A9 Q &ei,
& y+ J( Y3 D1 _8 C# J- T &uiErr);6 p" |. y0 m+ _6 I! i; v& ?. y
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SysFreeString(topicStr);7 p& U* Y8 n6 V4 x9 s# \
SysFreeString(itemStr);
5 n8 f2 M' }" N: D7 R请问该程序是获得extend里面的哪个值?7 s6 I% K8 `9 R( `. M! o
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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