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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: l8 q; ^+ J. P% c
Name = (WCHAR *) L"Poke";
. M( s# `1 K, Z( Q! e 2 q {2 {( F- J* [" b. g/ [* G
hr = m_pDisp->GetIDsOfNames ($ T& r, X5 T% R
IID_NULL, // reserved2 E" m; V. `+ F8 t( }' Y, @0 r
&Name, // Array of names to get IDs for7 q) s& L1 _6 @2 Z6 l5 B- f7 {1 {
1, // # of names in the array
5 f M+ R5 c0 L2 i4 ^" M* a4 E- ? LOCALE_SYSTEM_DEFAULT, // System locale
. ~" R$ d! f) q p$ C# \! E9 ^ &pokeID); // Array of IDs to fill on output6 s+ _% H, r) k, j5 i- Z
8 _; s5 T) P$ W8 a/ k! r5 O if (hr)
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MessageBox ("Get Poke Unsuccessful");
% H9 U1 E# Y& T3 v5 t5 y2 C return;
, V9 S4 u( A3 d+ o) V }
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5 n. c9 F% B1 T3 j2 n+ \/**************************传递数据给extend**************************************/
' ?+ i( V; D3 y% n pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 l: ?4 Q# z3 Z3 S$ ?
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valueStr = SysAllocString((WCHAR *) L"1232");3 {9 y" A8 r0 G' D3 u8 d
VariantInit(&pokeVariant[0]);
% U3 \8 z K- i7 O! O+ P pokeVariant[0].vt = VT_BSTR;
3 s3 M9 s" M0 N, |& I1 W pokeVariant[0].bstrVal = valueStr; h! ~' a2 `. F* G+ o) v& G$ E
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) p4 ~7 x, x2 V* \) A1 f VariantInit(&pokeVariant[1]); 4 X7 W6 H' O9 V% ^
pokeVariant[1].vt = VT_BSTR;
+ R! _0 P4 U% P6 e) K `2 y( z+ ` pokeVariant[1].bstrVal = itemStr;" h# F% L, P$ i5 _! ]
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topicStr = SysAllocString((WCHAR *) L"system");
3 n4 g, o+ L% N0 X, G VariantInit(&pokeVariant[2]);
! ~( |7 k, z% t( Q pokeVariant[2].vt = VT_BSTR;% O( |- y, c! e
pokeVariant[2].bstrVal = topicStr;
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9 W3 N9 F6 Z+ D+ F# e5 Y* l// Set the DISPPARAMS structure that holds the variant.
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; r/ `8 O7 j. K dp.rgvarg = pokeVariant;
; H) n" D, `, k dp.cArgs = 3;
) k5 ?; |+ R: A; S" w" A8 ^6 u# p dp.rgdispidNamedArgs = NULL;
) `2 w. s: x# r& q. L5 i. g dp.cNamedArgs = 0;
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! m( ^! d' ]$ t// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
/ ~: @+ d0 J: ~& L T pokeID,* i; j; R& m; _- j8 x
IID_NULL, ^. \- g2 ~8 P. r( g
LOCALE_SYSTEM_DEFAULT,6 ?6 f# E5 v# X7 K
DISPATCH_METHOD,& h1 E2 w+ b6 h4 A/ E. r, n
&dp,5 `8 k4 d" T! t4 B) M1 l9 B% A
NULL,
+ s. t C, @! E1 l2 T &ei,
8 {+ ?2 \2 @" b9 z R &uiErr);# u' _2 R& R# R* o% r3 @/ u% D
) r3 [3 g% n- e SysFreeString(topicStr);9 g0 \( b$ @0 Z7 w2 s4 Z' g% E
SysFreeString(itemStr);' l2 g; j( C: Q3 J
SysFreeString(valueStr);+ [% {4 i$ ]" R+ J2 e% M
) H: C, I8 z8 |# T2 O7 d6 n8 r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 h0 f/ g$ j7 N
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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4 ?9 w3 E1 l" w& F' k2.这是request的程序
6 j, E% V2 e( t, c% k$ @9 Q+ S// Request a value from Extend: ?$ m! T8 ?. B$ a4 ~ z* d
//
6 z& |% a6 X9 g Z4 w// Initialize the variant that will hold the BSTR. Set the variant's
& p, |; f4 b3 H+ t// type flag to indicate the fact that this variant holds a BSTR. Place the
) ~4 t1 S! v' N4 X4 _1 E// BSTR into the variant structure.% U' @4 D8 Z% f! m9 h* @5 l
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 b% f: T9 K7 F7 p) p5 \& G
. C9 n9 D1 q. y8 ?+ M1 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) z1 d1 A8 b9 p0 \! |
VariantInit(&requestVariant[0]); ! c t9 T/ P$ X# [7 L; R! C
requestVariant[0].vt = VT_BSTR;
, u7 m% M7 E; J* B# a% A requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
, z" s# P4 \' A K/ { VariantInit(&requestVariant[1]); 9 P3 _9 m/ G" F1 T/ U6 n- Q L b' ]! E: b
requestVariant[1].vt = VT_BSTR;1 i4 d: n5 O, p" \( I3 \% \
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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: _9 n1 }: u3 l0 l0 b dp2.rgvarg = requestVariant;
3 H& H5 P' R4 V: e' ?! _ dp2.cArgs = 2;
1 V+ a* J& i4 i4 q+ U+ ~ dp2.rgdispidNamedArgs = NULL;
s' k0 `+ I V9 c1 o dp2.cNamedArgs = 0;
+ ] e1 R j: Y% s- N% l; O* P7 i
3 M7 C% U; J. Y- Q* w var.vt = VT_EMPTY;
4 s4 n! L! r5 Y: d. p! `
) R7 U: c1 j8 x- X% d6 R5 _! ]/ f- k// Call IDispatch::Invoke()& S$ W0 U7 ?- p2 h2 p& r
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hr = m_pDisp->Invoke(2 l" p' Z. S3 C/ Q& ?5 ~
requestID,8 ^- f2 {! k3 X# n+ `" u) l
IID_NULL,
9 g& J6 S. i3 f9 U' Y( v& G LOCALE_SYSTEM_DEFAULT, J& I- a% K/ J* k8 x( m
DISPATCH_METHOD,
9 x0 ]9 ?2 P& L' J0 u( _: _& n &dp2,
Q' ?& ^8 h* u _* r &var,
7 b3 s! q" Z4 T) w! F' v &ei,+ U; E7 L0 ^- f$ d
&uiErr);# R* z$ R4 V" }2 @& Z# S, b& j% m" \
5 d4 x- Q# G* k3 o6 o$ V v SysFreeString(topicStr);
! U! g. M r" q4 u; n8 ~) e SysFreeString(itemStr);
% `4 O$ Z$ `3 W5 f- X9 h5 ~2 \请问该程序是获得extend里面的哪个值?
% _) T. _7 x9 V s& d0 h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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