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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:
2 H0 z% ~- o- o8 P& `7 B& PName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (* I, C1 a) H, f+ i& B2 `$ B
IID_NULL, // reserved) t P7 u0 h5 o. ]# E& [
&Name, // Array of names to get IDs for
6 B/ A! y: R* `5 J) e) x 1, // # of names in the array
- D% r# [1 H) u0 v7 d* \ LOCALE_SYSTEM_DEFAULT, // System locale" y$ q) k, a6 v' N6 a6 G) O) p/ ?* n
&pokeID); // Array of IDs to fill on output% Y6 V0 z) a5 G) ^) {
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if (hr)
% j2 S( I O, T+ A7 B. w8 ]' v {
8 ], B" I4 F0 b; a: A. p) f MessageBox ("Get Poke Unsuccessful");
+ M. p0 O8 Z7 }+ j4 | return;% }% z9 Y3 {) {* @) R" h0 G
}
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/**************************传递数据给extend**************************************/2 E( g( p3 W4 ?4 F' }4 i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");3 z$ p3 E6 M7 { q" z. s' ]
VariantInit(&pokeVariant[0]);
% b9 j" w2 v o# t' P: C2 m pokeVariant[0].vt = VT_BSTR;
5 I; R' w% c1 a! c; i pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ \6 b- G& G$ H3 d9 n- r# M
VariantInit(&pokeVariant[1]); 8 ?* w& F4 F3 |# F4 W; o2 N
pokeVariant[1].vt = VT_BSTR;
- E! u# ]) s8 ~6 ]% j pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( r$ E- ?. j& m C- \/ o/ t VariantInit(&pokeVariant[2]);
- i: x8 a/ `, A1 K `9 o pokeVariant[2].vt = VT_BSTR;
2 s% A3 s" P1 Y- K pokeVariant[2].bstrVal = topicStr;3 E" @4 z% q- p7 Y; d& P) g
- d0 i% h3 o0 l" q; c" p( B// Set the DISPPARAMS structure that holds the variant.1 a; a2 E. c$ o) X1 Y0 ?+ J3 ~8 b
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dp.rgvarg = pokeVariant;
3 @. U/ y9 [$ j dp.cArgs = 3;
$ `# \2 f% x* N7 B dp.rgdispidNamedArgs = NULL;! i" g2 N! O2 ?, R1 f
dp.cNamedArgs = 0;
# l- C3 c6 C2 `/ m& H# P$ {
' b w" C2 q% N4 K& I; Q// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- t0 S H1 m- A! f4 L% a% r
pokeID,
8 a: V# Q: o& k( k) p' [3 M IID_NULL,; _! P1 U) z) \$ _
LOCALE_SYSTEM_DEFAULT,
5 _2 B4 |' G8 x. }7 `; j* e DISPATCH_METHOD,' _2 n, x6 h' U0 ]! V
&dp,8 F& m$ W: ?) h
NULL," j% s- x* K) N+ Z
&ei,9 w, |/ m: m( f( A* ?5 b) V
&uiErr);# E7 n. P% |6 K( z1 ~; X" ] j4 C/ _
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SysFreeString(topicStr);
8 v& X& S! P3 B% k _' L# h SysFreeString(itemStr);9 f- {8 b, v5 d4 t2 ?, x: H
SysFreeString(valueStr);
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% X7 E# k1 |$ P" m' 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???
! ^8 c% s4 `! M, A" [5 n* j# H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????( h0 a4 ^4 M- I0 a* J
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2.这是request的程序
2 d" Y* u2 D# G- ?$ w; R7 Z// Request a value from Extend5 x! Y0 ?# ~# }, [
//
- ], s& x: u4 }$ G- S* \% i0 l// Initialize the variant that will hold the BSTR. Set the variant's
" a- h# g8 D4 ?: ~) i* p. n7 y// type flag to indicate the fact that this variant holds a BSTR. Place the' [' x/ Z! N& N4 }1 O' T) ]
// BSTR into the variant structure.
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, R: T3 I" V* V% W: I7 s, {) }# F( W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 i7 ] {: m& v# f l$ O" ?
VariantInit(&requestVariant[0]);
& I4 y% ?7 |9 x requestVariant[0].vt = VT_BSTR;1 U3 T. E7 G7 z8 o
requestVariant[0].bstrVal = itemStr;, A3 Z3 H5 H0 ]1 z( x
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topicStr = SysAllocString((WCHAR *) L"system");
+ H8 o2 Q {! V1 V* h, s0 M VariantInit(&requestVariant[1]);
0 H( X" U' e; W5 w" E requestVariant[1].vt = VT_BSTR;
/ c" r9 e6 y1 z% e0 r1 p* E requestVariant[1].bstrVal = topicStr;
9 k: n& u& g+ J: q/ c
9 C; @: y7 o2 k// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;/ m7 d2 V F6 Q" i+ \. K& W3 s
dp2.cArgs = 2;6 K+ z. A# r4 A( z: O; l9 }- f
dp2.rgdispidNamedArgs = NULL;
& P2 ?8 l9 e, E& o dp2.cNamedArgs = 0;
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$ ?: l/ m; N$ a1 [, B) g6 i var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()6 p U1 L& `0 J7 \& ^+ w* F1 n( D \
& e0 t' c! J, f/ ^3 i9 l T hr = m_pDisp->Invoke(# ~% D' T( z4 |4 ?4 ?: ^: @# @
requestID,
7 m0 q3 g) C& x% ]' ?, B IID_NULL,
4 k, J( e# L& B, L" t3 N LOCALE_SYSTEM_DEFAULT,
6 a# t& I# a# R. M5 G DISPATCH_METHOD,
2 x* _1 n+ d5 W8 z% G0 j2 ^ &dp2,1 C& L* A, z. g( r% `$ L2 I: V
&var,
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&uiErr);
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SysFreeString(topicStr);/ G5 q# V: z2 T( j" t/ P
SysFreeString(itemStr);8 g! H# O/ I0 C
请问该程序是获得extend里面的哪个值?
& t! ~& q7 o" Y7 Q$ D4 ^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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