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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:
+ Z3 [' J8 G5 Z2 ^: K% |Name = (WCHAR *) L"Poke";8 y) i( l3 a \9 o
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hr = m_pDisp->GetIDsOfNames (* c, R+ O8 y& G$ R8 s
IID_NULL, // reserved
+ U$ X7 v% y( K! a3 \; H &Name, // Array of names to get IDs for. c* j& H x) F* P5 e; t/ N$ l. ?' f8 K
1, // # of names in the array
3 n* u7 L0 z% G- x, R LOCALE_SYSTEM_DEFAULT, // System locale8 H. ~0 Y& O+ u6 v. ~
&pokeID); // Array of IDs to fill on output) K; B# J5 M2 ]
M6 V; Z% ]9 R7 _8 m
if (hr)
0 [ j2 y/ U( G9 }$ H! q {
t% } `3 l, M7 F- r2 \ MessageBox ("Get Poke Unsuccessful");% V) l1 l9 \: ~: f2 j0 e d
return;0 y6 M p; p! [# H' O) o
}
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5 W2 {% r: h! r# Y1 P6 G1 x/**************************传递数据给extend**************************************/: @6 y( ^3 g: p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( o3 a3 s( O* w6 \( n3 d4 n valueStr = SysAllocString((WCHAR *) L"1232");
7 a' R9 V ]8 E+ x VariantInit(&pokeVariant[0]);
8 o" |0 s' H( T# J7 \0 f& T6 U pokeVariant[0].vt = VT_BSTR;3 o |0 p! V' a8 S- [, ]- S7 U
pokeVariant[0].bstrVal = valueStr;
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5 v- |7 U: C: Q& R) _, V, b itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* u; K4 q; `: a8 h VariantInit(&pokeVariant[1]);
+ I8 l" C# W. K pokeVariant[1].vt = VT_BSTR;
5 x' N. Q- k9 g; b' d" L pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");* M* L4 B$ w. ~, s" A0 K. d/ L
VariantInit(&pokeVariant[2]); , R$ F) q/ w6 S0 `2 B
pokeVariant[2].vt = VT_BSTR;
0 h* s7 b9 p0 F6 v- y5 [ pokeVariant[2].bstrVal = topicStr;
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. f" G# t- p1 z9 E; {9 I// Set the DISPPARAMS structure that holds the variant.8 I' o- t2 f4 d( R1 b+ p& N* m
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dp.rgvarg = pokeVariant;
4 i& i: y- a) I8 q dp.cArgs = 3;1 V3 x2 H2 B* h0 j2 v" ?) h* Z! |
dp.rgdispidNamedArgs = NULL;
$ A+ M0 q, j+ A$ I d X4 { dp.cNamedArgs = 0;2 h" w1 v7 f( I8 t
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// Call IDispatch::Invoke()
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& h; v* n* R/ l6 Z* ] hr = m_pDisp->Invoke(( Y$ e& O$ B! f, L
pokeID,5 w d7 T1 l9 @2 l- I4 s5 }3 s
IID_NULL,9 v( }1 i5 |: c& B! |0 Y
LOCALE_SYSTEM_DEFAULT,% b) `5 X9 x/ t/ M$ {# ^ ] j
DISPATCH_METHOD,- _ C6 _6 F& p: q" A5 s& C( C
&dp,
K* F- L# P+ O8 b% S+ N NULL,
3 O2 v0 Q0 |4 @5 J5 C &ei,
( i6 z# @5 ^) I6 E &uiErr);
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& T1 s7 J/ K; C SysFreeString(topicStr);
- \6 P4 H" c5 v+ K2 E9 L7 p SysFreeString(itemStr);% W' H+ A' O( S. P* k/ ^( y5 B. R
SysFreeString(valueStr);5 Y) S/ V+ X6 ]1 g
f% x: o" p9 `9 z$ E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???( J- Y3 S7 Z8 N5 t3 t
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????3 z/ w& a3 Z l: r/ `" g
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2.这是request的程序
& [. E: N% ~6 S: u) D// Request a value from Extend- b1 r2 H' t- o' [4 w9 U+ L+ r- l
//
* M: e; S# m7 R9 Q' o// Initialize the variant that will hold the BSTR. Set the variant's
/ Q0 \8 H/ |8 n// type flag to indicate the fact that this variant holds a BSTR. Place the
$ i; ?* M& R# ^// BSTR into the variant structure.! M' Z) g' z" j& }
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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1 r7 c$ J' w/ V V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% @7 K2 I t+ f w% }! j% u; {
VariantInit(&requestVariant[0]);
u! h# o3 x! t, y4 J' L requestVariant[0].vt = VT_BSTR;/ s8 b9 h g$ i
requestVariant[0].bstrVal = itemStr;
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% k. b$ a2 Y% _; M9 c* e5 G( m" E- G topicStr = SysAllocString((WCHAR *) L"system");9 f7 E! O' f; w; p6 c
VariantInit(&requestVariant[1]);
! ~# Q( S. T( H" i requestVariant[1].vt = VT_BSTR;
! [: ]$ x6 X. J requestVariant[1].bstrVal = topicStr;0 w+ n# Y8 w; k4 H
" F. S5 M3 k+ F: G, O9 T// Set the DISPPARAMS structure that holds the variant.3 ]: u( E9 h4 T8 @
r8 J0 r; s8 }/ h dp2.rgvarg = requestVariant;
' w% V1 _1 X+ j, ~2 U- v dp2.cArgs = 2;- t1 |$ g; ~. T
dp2.rgdispidNamedArgs = NULL;
4 ]8 F O$ E& A dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
# P7 b2 B6 R( _, _
2 y0 l- [; \( |) k. E. {+ u8 B' G hr = m_pDisp->Invoke(
) ^- A5 |: Y4 ^- V requestID,
: i/ P/ j- k7 p IID_NULL,/ Q1 h6 {( V& {% {2 k
LOCALE_SYSTEM_DEFAULT,# p* H# C5 E# E6 z2 D2 B# A
DISPATCH_METHOD,+ k0 i1 y' t' z
&dp2,8 _/ E( X2 Z* [ Y/ x9 ^, e8 @
&var,- c& Y, G1 x' d3 h9 U
&ei,7 z, W; o, a' }& w1 o& f
&uiErr);
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SysFreeString(topicStr);
- E; L/ }5 g+ [/ g SysFreeString(itemStr);4 D x5 i* S* e6 O2 K7 Q2 B
请问该程序是获得extend里面的哪个值?
: { h! C2 ~" q" H! y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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