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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:
( ?& ?- o6 k2 ]2 K& O, VName = (WCHAR *) L"Poke";
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6 q+ L2 l" Z+ ^# X hr = m_pDisp->GetIDsOfNames (
! ?1 I# {. v9 m IID_NULL, // reserved3 m8 q7 C& M0 @+ \! f+ I+ x
&Name, // Array of names to get IDs for. ?- @6 Z8 W5 [
1, // # of names in the array5 l& `( o; N2 v0 i/ f
LOCALE_SYSTEM_DEFAULT, // System locale
( N- D* G! w" @; X &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");8 Z; I4 T! U0 T" {, A: U) ?* W
return;8 U4 i% ?. b" W$ A
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/**************************传递数据给extend**************************************/
# p; K) L7 V- z8 Y8 Y+ k8 G' o# K3 F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, E$ _, S5 { Z8 H; s
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valueStr = SysAllocString((WCHAR *) L"1232");0 N- Z( _1 Z0 ?2 B
VariantInit(&pokeVariant[0]); 5 f5 G0 |. t: i$ l' K2 Q. t
pokeVariant[0].vt = VT_BSTR;
, B. S9 A5 K: s& u pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 ~2 e5 ^/ y+ Q: c( \ VariantInit(&pokeVariant[1]); " t4 M& c4 J; f6 E z& I
pokeVariant[1].vt = VT_BSTR;
$ ~- z4 v6 H( ]2 U9 \- G4 v5 O pokeVariant[1].bstrVal = itemStr;/ w; T/ T1 w4 [- u+ K$ l
3 t# D/ S, u; a" y6 c. L+ {4 | topicStr = SysAllocString((WCHAR *) L"system");
9 k" y. p4 a" G8 S% X/ {3 b n% H VariantInit(&pokeVariant[2]); 5 A2 P& X9 A) C0 V" @
pokeVariant[2].vt = VT_BSTR;& r9 K ?; \ y2 s3 Y F
pokeVariant[2].bstrVal = topicStr;* l, C) a6 N% E) S
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// Set the DISPPARAMS structure that holds the variant.# y1 z: H8 [1 |" \% _/ w& R6 N( Y$ T
c/ S& j' M5 K dp.rgvarg = pokeVariant;4 b) b5 m. |7 L M
dp.cArgs = 3;
/ I1 D6 c7 j4 k' X$ U- v dp.rgdispidNamedArgs = NULL;
& h2 |3 N! t' m, R0 R3 `( U: z* E dp.cNamedArgs = 0;
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{) G5 n3 h$ S) J( r- q. D// Call IDispatch::Invoke()
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( u6 y7 O% X& @. p hr = m_pDisp->Invoke(
" S0 j2 b5 C* Y* F pokeID,- T: ?* |6 U& F/ h: Q {5 N
IID_NULL,) B: h% x' |5 \1 L6 F7 j. u! g
LOCALE_SYSTEM_DEFAULT,
! {6 E9 `, A( N! X+ t" ^8 r, z4 r6 E DISPATCH_METHOD,0 @8 W t: S m. X& C9 y
&dp,
}, P% _- l- ~9 O( t2 a) ` NULL,/ j7 T0 `! B0 f7 E
&ei,! k* c. r$ H1 P8 \& f
&uiErr);" g, ?+ M+ K* z6 V; d, k" h
! H' A9 |, |7 d6 I0 T& g SysFreeString(topicStr);" U8 _) {3 }$ z5 `
SysFreeString(itemStr);1 ~, H# _- [3 Z' P) ?1 Q
SysFreeString(valueStr);
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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???
" e2 q, U3 w$ h: k6 u! A+ 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????' }) k. m; K; Z* _$ D0 A
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2.这是request的程序; q. ~# _" r) q+ I! W. V; z8 M. y
// Request a value from Extend) p: j1 N: _! y
//7 n! `! D0 H* J; P6 E) Z2 d1 N2 f
// Initialize the variant that will hold the BSTR. Set the variant's
+ p# f# N+ `0 `3 f2 U// type flag to indicate the fact that this variant holds a BSTR. Place the/ D* I5 f, `. Q1 g% W( E
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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- U5 p0 z' C* g& D+ \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ \% e* i4 \' U" k& O1 ~ VariantInit(&requestVariant[0]); ! {3 b Y0 A" y, s
requestVariant[0].vt = VT_BSTR;
; F* k* v+ W4 d9 Q requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. S$ {9 I0 U. z2 ^
VariantInit(&requestVariant[1]); * ^1 f4 p- b% R' q# m( G
requestVariant[1].vt = VT_BSTR;5 ` o, t/ f2 F# e: \% s
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. @7 s5 M' \ z O. J
0 E! g: A; @4 }! C6 Y dp2.rgvarg = requestVariant;0 `/ d5 Z2 q7 A" \/ [3 P+ ]7 P
dp2.cArgs = 2;
: y1 w9 v; ]' S dp2.rgdispidNamedArgs = NULL;4 ?" _! `" q) u1 k
dp2.cNamedArgs = 0;
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2 d& B f% p$ v G. x* |! C5 f% t a var.vt = VT_EMPTY;& \ A% K' D4 i# S1 d
! ]" C( Y6 k* @ y, _$ E// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(0 s4 m$ w. Q* r P% k
requestID,+ t9 s8 y2 V+ ^
IID_NULL,$ p6 _0 d$ A) m3 S# {$ S
LOCALE_SYSTEM_DEFAULT,
9 o/ u) q+ `$ \" A5 I) r4 \$ e DISPATCH_METHOD,
4 \( l& a/ b1 e6 c &dp2,! R4 ?+ I+ a: K C* E6 ?4 a
&var,) X A }3 z7 z0 x1 ^
&ei,
4 L0 \ P% J& r0 l6 _! E, \ &uiErr);' j7 K, X9 O* w, m
8 g8 A3 B0 I* H) P1 ?1 L# ]$ } SysFreeString(topicStr);5 E. E2 N- K. Z1 r9 `
SysFreeString(itemStr);
# b0 | {" [+ x9 t/ i; @! c- W请问该程序是获得extend里面的哪个值?7 _- ?8 r& d3 \: d6 I$ T+ \
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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