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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:4 V# ]( W+ P& I
Name = (WCHAR *) L"Poke";
9 {3 R& H$ ]; a4 m 4 ]! A) i6 B: h& q) K9 q
hr = m_pDisp->GetIDsOfNames (
' p( ~7 s) e e IID_NULL, // reserved
9 f5 v$ c- C# J# t$ ~% Q$ q &Name, // Array of names to get IDs for
( Z5 E9 R3 `8 o0 }- i# Y 1, // # of names in the array( e! ~1 p% w0 p- ]" x% n e" t
LOCALE_SYSTEM_DEFAULT, // System locale
% a' Y4 _/ b1 C0 c! t &pokeID); // Array of IDs to fill on output8 s1 Q: j: V* q8 j
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if (hr)' m7 l0 [6 V) A6 U
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MessageBox ("Get Poke Unsuccessful");
, d- o7 l! R6 O% F }4 m return;
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, { E( M+ k% N- V1 o5 Y3 d; M/**************************传递数据给extend**************************************/ M; E% H* r# ]/ ~) M& d. i2 a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( R& @8 g$ r T. @! U valueStr = SysAllocString((WCHAR *) L"1232");1 V/ `" V. \' }8 K4 g* J
VariantInit(&pokeVariant[0]);
0 ^$ s. u7 S6 a H8 M \ pokeVariant[0].vt = VT_BSTR;6 n- p2 S: u3 p# x# p8 `7 i
pokeVariant[0].bstrVal = valueStr;
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2 d$ u* T! _0 c# o itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");& \" T% Y& L( D8 A
VariantInit(&pokeVariant[1]);
) O' W3 \" {. F( [: V5 f, m pokeVariant[1].vt = VT_BSTR;
: D! G; E$ v. ^8 u6 ]2 [4 | pokeVariant[1].bstrVal = itemStr;
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+ k; L1 b' ?! `5 R topicStr = SysAllocString((WCHAR *) L"system");) H2 `1 P3 \: K- A; t# _4 l0 r7 p, V
VariantInit(&pokeVariant[2]);
: z, Y# Q, b) e pokeVariant[2].vt = VT_BSTR;
+ d$ {6 {" w' m pokeVariant[2].bstrVal = topicStr;0 d3 e6 n" u% X$ v0 h' q7 x
2 C1 T* Q9 b, t: m// Set the DISPPARAMS structure that holds the variant.) z& A; _% S% I. ]) U
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dp.rgvarg = pokeVariant;
' t* s+ m! e7 b dp.cArgs = 3;
7 f) V) V- _9 a( [* Y' k dp.rgdispidNamedArgs = NULL;2 W [' ?% R. t- t9 l0 X5 b9 p, e
dp.cNamedArgs = 0;
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2 Z8 D7 t/ u7 A// Call IDispatch::Invoke()* C4 s$ C* S v: _
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hr = m_pDisp->Invoke(; A! S% i; d5 ] P4 b& S4 V
pokeID,
% Z, s8 r1 r" A* A" |* c/ M IID_NULL,
( W$ c9 N) o5 B* A! |3 k; A LOCALE_SYSTEM_DEFAULT,! G# s& Q' }! a: q8 N% c& \
DISPATCH_METHOD,$ l0 g3 u! Z- q0 p
&dp,
5 R: f5 m3 w5 f$ c- G) k b* o+ L NULL,
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&uiErr);: L6 C* c! a6 \# ~4 {
1 H8 v0 x) J" t% e SysFreeString(topicStr);
8 |. S5 {8 g' o( W; f! j8 X SysFreeString(itemStr);
3 g/ K( J M* x0 F4 I SysFreeString(valueStr);
0 Q( {. }+ u y0 l k1 @4 U/ i( A, k% ?7 q& ^4 {& P% ~7 ]
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???
6 r, i# V6 [; z* ?! S$ `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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) r, h$ B! ^2 B4 v' z- s5 }2.这是request的程序$ O- b3 }+ L) r
// Request a value from Extend
; a9 o4 Z3 s, G7 W//
, z! H T, M [/ [// Initialize the variant that will hold the BSTR. Set the variant's) `: j3 E6 F, w! S# z" X( V) {
// type flag to indicate the fact that this variant holds a BSTR. Place the
3 \% ^8 O( j$ `0 g// BSTR into the variant structure.9 f0 n w2 V1 @4 U0 ^# q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ s6 ?! Y& h# t
* C4 [* c4 c) V2 ^* \% O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ e" f3 z# q0 Z$ t; K$ |* H VariantInit(&requestVariant[0]);
: y- x7 {0 k7 l+ ^4 m! q% L requestVariant[0].vt = VT_BSTR;+ f& D) W/ A4 A$ r9 j" s t+ U
requestVariant[0].bstrVal = itemStr;& |: @+ Y- U, C9 I4 v* K$ x
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topicStr = SysAllocString((WCHAR *) L"system");
8 ?0 g/ \3 f: ]0 ]- Z3 E VariantInit(&requestVariant[1]); : d0 S1 g9 B$ ^1 }. N8 u) ?
requestVariant[1].vt = VT_BSTR;* z. d5 d+ }# J# ]& n
requestVariant[1].bstrVal = topicStr;4 V/ ~4 @, k! L& [8 d# I3 I. \
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// Set the DISPPARAMS structure that holds the variant.4 i$ k- Y" X9 `3 Z( w6 X
( l( \6 _! @, H& k Z dp2.rgvarg = requestVariant;" F3 _4 N$ r3 s! _3 S! c
dp2.cArgs = 2;- R! b* M" F: [& k- E
dp2.rgdispidNamedArgs = NULL;6 R$ q' _) t, b8 C4 z) k0 Q
dp2.cNamedArgs = 0;- w/ f2 e- s7 |7 o9 b5 U& \% H/ X6 X
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var.vt = VT_EMPTY;1 @/ g+ c# |1 \* t: e5 O
2 e/ U# Y( M3 y9 A. S// Call IDispatch::Invoke()3 B0 y d% q: x5 K2 j" K- r; D
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hr = m_pDisp->Invoke(: Q/ v2 R" h7 a
requestID,3 L- e, S/ D6 V. G6 S! a
IID_NULL,
2 K. C- F. G, Z1 J& {$ I LOCALE_SYSTEM_DEFAULT," M0 A4 x- G' }( T. w4 y0 M4 O! B
DISPATCH_METHOD,5 B. l5 P6 r+ w# y* _3 g* J3 ~
&dp2,
0 L; D) p3 h# P3 V &var,( L- _9 ?3 Z. D0 q+ h
&ei,+ p" g+ l" t! _
&uiErr);; o1 S' f" g4 r# {1 V1 [% f
$ ? B( g$ a5 B SysFreeString(topicStr);
2 @3 g& G4 c. c" N; i$ q SysFreeString(itemStr);
2 \! S% @1 n0 h0 x" @请问该程序是获得extend里面的哪个值?
2 k# L: V' ]& \! N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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