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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:/ G- y* S3 X* @4 U$ s% _
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (5 H: g" U K0 G F3 p# e: ]( ?
IID_NULL, // reserved
9 O# T7 w$ m9 B! a5 T* ]% _( s( V &Name, // Array of names to get IDs for
$ }, L0 L+ A6 C1 k 1, // # of names in the array6 W( F1 Z; J2 _. f# g
LOCALE_SYSTEM_DEFAULT, // System locale6 H2 v' m9 Q2 w' c
&pokeID); // Array of IDs to fill on output
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if (hr)2 d6 t1 `, U0 n: p
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MessageBox ("Get Poke Unsuccessful");
4 T5 R' t+ _) T/ R return;
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/**************************传递数据给extend**************************************/( Q5 E; H- P( ~! J i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ R. s6 B: B% P& V
: K# {6 ^- u; \* L4 c valueStr = SysAllocString((WCHAR *) L"1232");
* Q( \. H% J" L1 J9 y9 ^4 M VariantInit(&pokeVariant[0]);
( g7 L4 `1 h2 y8 B" p pokeVariant[0].vt = VT_BSTR;) p0 m7 t0 Q0 V# j
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 G2 W3 ]7 I1 m
VariantInit(&pokeVariant[1]); 1 n5 ]6 j& B$ s# ]% T6 ]7 V
pokeVariant[1].vt = VT_BSTR;' \, y5 ~/ Q' w# U/ U* Z
pokeVariant[1].bstrVal = itemStr;' A) f; d% J ]: @! }9 V
5 `' X2 I4 S2 n; Y( i$ r- k: f% n2 [ topicStr = SysAllocString((WCHAR *) L"system");* X* o1 W8 i: }4 R6 r+ d" P
VariantInit(&pokeVariant[2]);
/ Y* M; t% `+ E0 D, [; b/ T% ` pokeVariant[2].vt = VT_BSTR;
) T( J( n8 d6 R) n; J pokeVariant[2].bstrVal = topicStr;
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3 W+ Z% b6 B2 A8 L4 ~" N Y// Set the DISPPARAMS structure that holds the variant.0 t2 ?1 J( }0 V. `: @
1 Q5 f- f5 g: p R dp.rgvarg = pokeVariant;' I0 Z# r: k \7 k7 p) R+ O
dp.cArgs = 3;
8 ]' I! _# d0 {. j: @& i dp.rgdispidNamedArgs = NULL;
, {2 P) `/ y3 B dp.cNamedArgs = 0;3 M4 \6 m; T! b5 f4 v2 k
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// Call IDispatch::Invoke()9 l3 j2 A) ?7 m) M9 y% K
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hr = m_pDisp->Invoke(* M4 c; |% t) L9 _& V: u
pokeID,
' [; r% N: I* M- _ IID_NULL,# x5 e" E0 ~% ?+ X+ v, T
LOCALE_SYSTEM_DEFAULT,
5 {# H4 g, V _1 S) O DISPATCH_METHOD,6 M5 \0 ^! M5 Z* H1 s# n' f; ?
&dp,; N# N$ u4 k: x; a
NULL,
$ G% k3 ~6 m& Z4 a0 e/ A$ S &ei,
- L! m0 }% a5 \ &uiErr);% \; Q2 f+ G; `1 |
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SysFreeString(topicStr);& r6 u6 {( t5 N4 S, H6 \, y
SysFreeString(itemStr);
! ?1 S; L) E+ b1 v! |" j+ a SysFreeString(valueStr);
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& T; p$ t/ n- j# R Z" [8 {, ~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???
% n. B! ~, m9 A- b: k" h, [$ F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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* j5 @" F$ O2 H3 E5 {2.这是request的程序3 n7 o! i! [8 [, C T6 B& G) b
// Request a value from Extend8 k' Q% e. Y! L2 p+ ~$ Q) V+ t
//
5 u) d7 v# C5 _ w2 c- V G// Initialize the variant that will hold the BSTR. Set the variant's$ L0 n7 p' }. M* O+ @- \) H
// type flag to indicate the fact that this variant holds a BSTR. Place the- G& A( o3 \3 e8 i
// BSTR into the variant structure.
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, y2 R' u }( G# {9 L7 S8 I/ m requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 }# [; t4 n* V# O% _$ q. s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 x8 P: F" E8 }% O7 E VariantInit(&requestVariant[0]);
% }. g+ L1 y$ Q. I0 h requestVariant[0].vt = VT_BSTR;
: h5 U/ {7 U3 p8 d" J( d requestVariant[0].bstrVal = itemStr; s1 z8 y4 ~2 S6 w! c- b; ^8 z* i
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topicStr = SysAllocString((WCHAR *) L"system");
* c v% V' C! N8 T, x3 ` VariantInit(&requestVariant[1]);
/ I# f- i) \) ^4 _/ A' b requestVariant[1].vt = VT_BSTR;- `# f1 a. ^6 I3 q9 e
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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1 H9 V+ X( Q' X5 f dp2.rgvarg = requestVariant;
3 f7 j' e5 r0 L: }. Q; ^ dp2.cArgs = 2;: _4 v( Y# E) y, p9 x
dp2.rgdispidNamedArgs = NULL;& n0 F4 s9 Q# K, Y: {; Q
dp2.cNamedArgs = 0;
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6 k) }2 d5 r5 u8 u! g- H7 x/ W var.vt = VT_EMPTY;5 A0 [* `; f+ z& ]
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// Call IDispatch::Invoke()
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. ]% p; y! V5 W, T u% M0 [ hr = m_pDisp->Invoke(' j- W) w+ d+ H% p' u* b; Q, n
requestID,
+ t2 F* m% S- e, U IID_NULL,
3 u: J+ Z. d5 r; _0 o# ^% s0 K LOCALE_SYSTEM_DEFAULT,+ @( e1 q [) s) u! Z0 Z6 i3 U
DISPATCH_METHOD,
& P. l" }- u7 Q, J' C &dp2,
7 W6 u* R* p' z1 C( ]8 |. r &var,5 @( n; L2 }' O4 B5 o% _
&ei,! a8 _2 T K2 y* h4 D# e
&uiErr);
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0 X+ O" R) [6 b/ P$ D SysFreeString(topicStr);* I) B( U- B; z3 d
SysFreeString(itemStr);; j2 y! F& J# I
请问该程序是获得extend里面的哪个值?! o1 R2 d8 ~# ]: f) M
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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