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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:, d7 X/ Y6 N3 d
Name = (WCHAR *) L"Poke";( ^3 g( M1 _: l! ]9 J
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hr = m_pDisp->GetIDsOfNames (
- t1 c [% l$ [! h( x6 P3 C: a( p IID_NULL, // reserved/ O4 z; `0 A3 r
&Name, // Array of names to get IDs for5 T4 M- `# I6 v# A8 N# l4 K/ V( H7 T
1, // # of names in the array4 x# b4 ?7 f( Z3 I: A- ^/ j
LOCALE_SYSTEM_DEFAULT, // System locale9 r% Y7 X2 n5 s2 j2 U' N. ~6 k) B
&pokeID); // Array of IDs to fill on output9 {8 u5 P$ C, F! q5 V
6 g V9 h- A" c: e) D5 k- k1 A if (hr)! T2 o4 u4 d. F( M* X
{
9 ~8 X3 X% _; S MessageBox ("Get Poke Unsuccessful");
& I! M, V8 E* @, V- V m return;* L& y& Z$ E: n3 R _6 s. j& H
}
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/**************************传递数据给extend**************************************/: `* Q: H0 n7 k& r( i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);" ~0 ?: X9 ^1 K8 F
; f: g; w; V5 o$ q
valueStr = SysAllocString((WCHAR *) L"1232"); q6 }0 N& L4 D$ e, l1 l/ L" Y$ b5 S- n
VariantInit(&pokeVariant[0]); 9 H( }4 j* }- T9 N9 f- S6 b& g
pokeVariant[0].vt = VT_BSTR;
( I" V2 |1 @3 J" C" p5 b pokeVariant[0].bstrVal = valueStr;, l2 p0 T, K/ X8 C
* u, C' T3 h3 K2 D' z. H, c* k
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% o' p3 ^% d6 c. Y- S) | VariantInit(&pokeVariant[1]);
0 m" ] D# ?7 W9 p9 n pokeVariant[1].vt = VT_BSTR;
$ n: F1 E+ C& p; U, l5 K4 O pokeVariant[1].bstrVal = itemStr; V2 k% X/ |, d- `8 _5 M) y
6 H8 o; i( k/ I- U- \9 q topicStr = SysAllocString((WCHAR *) L"system");
2 P% o9 b* F# A8 b VariantInit(&pokeVariant[2]); , p+ j' I8 E9 S0 s0 N; a( K* p! W
pokeVariant[2].vt = VT_BSTR;
* T5 o5 M6 H2 s, ^ pokeVariant[2].bstrVal = topicStr;6 a- S, J: q2 B- c( \
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;6 ?) o. Y- Q" R
dp.cArgs = 3;
$ I/ g Y' o+ U ^2 ^2 k* r! W dp.rgdispidNamedArgs = NULL;
$ ?+ E( A) b6 i7 i& R dp.cNamedArgs = 0;" q+ H, d" _; A7 j, Q0 z
- G6 p: y2 | E& E// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke( j$ T$ r+ J( c+ f
pokeID,
1 @) c' a# P7 c a1 v- [ IID_NULL,& e1 Z U0 v- k) E2 g8 e% C8 {* ~
LOCALE_SYSTEM_DEFAULT,
h/ \" N" J% s DISPATCH_METHOD,
2 T% B& B8 V( }0 K0 _: z# v &dp,
; A/ y8 t4 J2 w$ t" ~" e7 x NULL, [8 C6 n7 l' t
&ei,
1 J3 I, u' ]5 U) T ^1 N1 m &uiErr);
! g( ?' q: e: u- r' j% h) a5 |8 f8 g' T* ]
SysFreeString(topicStr);; `- z2 _4 B7 B& B' @
SysFreeString(itemStr);
9 I7 a3 L' g c# U SysFreeString(valueStr);: f# B; l5 ^- t6 L
4 H0 L$ I) Y. }: u9 z! d. \
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???) h/ H6 m9 g- Z1 L! ~
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????
. |2 B8 i! \5 x( @- E! T8 }9 ~( f- z) z" v" }* B
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2.这是request的程序
/ ~+ E/ g, {0 C5 z# w// Request a value from Extend
/ O( L# W5 q, g7 Y//
' b ~8 ^3 u$ ^% J& D// Initialize the variant that will hold the BSTR. Set the variant's' V! O3 Q- f& L" f, q* ]4 a
// type flag to indicate the fact that this variant holds a BSTR. Place the2 t; X4 P1 a+ P
// BSTR into the variant structure.
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4 n# l; w9 b& m3 P requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);7 ~5 x9 i0 X" }# n" Q/ f# ]
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; E) B2 _& n6 Z) d+ \ u# t VariantInit(&requestVariant[0]);
% ^ N- M8 ^1 G" Z1 g6 E7 k requestVariant[0].vt = VT_BSTR;# v- H7 J" |' H$ t# J7 ?' I; L& x
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");# `- } y4 Z( u3 q$ o" ?! z+ m. b# q
VariantInit(&requestVariant[1]);
# w: C5 v) E% s4 J0 j# U, V requestVariant[1].vt = VT_BSTR;
* C/ O6 I8 `/ a requestVariant[1].bstrVal = topicStr;4 p& C9 z, {2 {: [. f
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// Set the DISPPARAMS structure that holds the variant.# e6 U% K/ [ G9 V+ C; V6 w
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dp2.rgvarg = requestVariant;
& E j# _, L: ]& S1 D+ {* @ dp2.cArgs = 2;
$ i5 l0 t( X7 n+ a" z4 s8 F( h" T dp2.rgdispidNamedArgs = NULL;" `: d7 V, L" T* i8 o# a. \) U2 y8 m
dp2.cNamedArgs = 0;2 A. h$ h$ C K& a P
: ?6 g3 @! \* V* W- v2 O4 k- d var.vt = VT_EMPTY;* F5 ?: _4 h* O2 Z8 t
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// Call IDispatch::Invoke()
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# Z. C) P5 ^* d) N) v: x# g1 V) M hr = m_pDisp->Invoke(/ `5 B2 n) R9 G8 E
requestID,0 E) a- N. w! |) i
IID_NULL,! N Q/ A7 w2 ~4 C; a* S
LOCALE_SYSTEM_DEFAULT,
- h: ]; F4 s$ O' C6 V7 F- m4 w: g! c7 T DISPATCH_METHOD,
9 E3 T: J: r( C1 m; t6 ] &dp2,
5 P$ s9 o5 A3 D &var,# R, L# Q6 m m$ x/ n s
&ei,
' T d9 r4 p/ k &uiErr);
|6 U: [1 k- F
- R& p# c+ U9 b" a2 \ SysFreeString(topicStr);
h. B5 n- `' i8 j SysFreeString(itemStr);
$ R1 d' T; E% k H7 `/ Q请问该程序是获得extend里面的哪个值?
1 B3 V0 P! l* q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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