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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:( J' D }# _5 Z& _$ l
Name = (WCHAR *) L"Poke";7 w, L/ K) {. u% A7 p9 L$ `
5 [) y( |& L3 ^; _8 C7 k hr = m_pDisp->GetIDsOfNames (
Y& x+ G5 z6 p# c IID_NULL, // reserved
/ O: D1 \' @( c' R' p, l- ~; \ &Name, // Array of names to get IDs for
4 x p* [3 {7 u q. C2 ]# [ 1, // # of names in the array' F# |: v- Y E
LOCALE_SYSTEM_DEFAULT, // System locale. ], F6 `. p/ `' B. X% K
&pokeID); // Array of IDs to fill on output
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if (hr)) T. z6 Q0 Q6 C# Y8 ~3 K
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MessageBox ("Get Poke Unsuccessful");" u0 w* Z8 Q3 p0 \$ K# ?
return;
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0 A# \& C7 r$ ^! P5 e* J/**************************传递数据给extend**************************************/
3 i4 e: Y& R( E1 H6 ~/ y. M pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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F% _5 P! P5 n- b' C valueStr = SysAllocString((WCHAR *) L"1232");
/ E2 N8 D% X4 b& j! X8 v: G" O+ J VariantInit(&pokeVariant[0]); 9 M8 n+ C$ C+ m3 B! p) n
pokeVariant[0].vt = VT_BSTR;7 n% y/ }' V# c5 T
pokeVariant[0].bstrVal = valueStr;( Z$ M+ [5 _ y% K! H
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 a+ }. V8 y' L% ^3 X& h
VariantInit(&pokeVariant[1]);
9 s1 ^* V m" B3 X pokeVariant[1].vt = VT_BSTR;0 P9 G" y9 |) B- \/ Q
pokeVariant[1].bstrVal = itemStr;# _; {* J. P- b
- `3 b1 A/ k7 O6 x topicStr = SysAllocString((WCHAR *) L"system");8 o" z3 k* S" C5 W
VariantInit(&pokeVariant[2]); " R1 ~7 h5 h' d
pokeVariant[2].vt = VT_BSTR;
9 r; X# \1 A+ B. x pokeVariant[2].bstrVal = topicStr;
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" {( x2 b# X4 Q// Set the DISPPARAMS structure that holds the variant.
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( ?+ M4 X, A* Z! U4 `; y dp.rgvarg = pokeVariant;, n0 T2 ]8 G- v# J0 r
dp.cArgs = 3;: u& j$ q) K2 X
dp.rgdispidNamedArgs = NULL;
& f) [% [5 f! d; F) \; u dp.cNamedArgs = 0;! J& x1 X$ a9 @, \; i+ K8 J# E
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// Call IDispatch::Invoke()4 R4 q! X" @$ t: c, h, E
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hr = m_pDisp->Invoke(2 k& O: r) }; C9 A* S
pokeID,% _0 v: r: E3 A# t6 a9 q
IID_NULL,7 g7 b* F0 ?- k- u M
LOCALE_SYSTEM_DEFAULT,8 a4 S% [3 o( Y4 R
DISPATCH_METHOD,
9 S2 S( K% B% P/ s &dp,* k& W2 t3 ~' @" X
NULL,
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&uiErr);
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SysFreeString(topicStr);3 ^ F9 y# H8 B* l& K$ b
SysFreeString(itemStr);
( ^1 }6 @# h( I4 v SysFreeString(valueStr);
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+ m( u. f4 V; r/ A# y' h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???' b/ \4 T% r$ ]- e
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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* c. y c/ W) \1 T- u# S2.这是request的程序2 O# `6 y4 G* S9 s: t9 A
// Request a value from Extend
( }. i9 m# Q7 U `% r//
3 B5 G$ B' t! y8 k2 g% K// Initialize the variant that will hold the BSTR. Set the variant's0 F3 `( L- ^0 g7 V1 P
// type flag to indicate the fact that this variant holds a BSTR. Place the* q$ {6 D8 }1 q; Z4 k& `
// BSTR into the variant structure./ @) ^5 `. S# W) `" m/ v
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);9 X& H1 D# ^8 l+ N" z+ ^
, N5 P8 J' c$ ~' ~, B" H9 K; w& H$ c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, P, q% A8 }2 `* G d- z
VariantInit(&requestVariant[0]);
8 g n. H' o( \: l) k requestVariant[0].vt = VT_BSTR;
O9 e$ t% o# K requestVariant[0].bstrVal = itemStr;
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" @8 k4 n! C T- ?1 w- ^; G topicStr = SysAllocString((WCHAR *) L"system");7 ~4 e% t2 g: u: h9 M0 G# t6 ^
VariantInit(&requestVariant[1]); $ _3 O* P( s- a* e
requestVariant[1].vt = VT_BSTR;
- k3 V; u1 {4 I requestVariant[1].bstrVal = topicStr;6 ~, R# W& \8 g% W
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// Set the DISPPARAMS structure that holds the variant.' U4 P, E r* v6 I" @
$ z- ?" k1 r0 {) D/ B dp2.rgvarg = requestVariant;% V6 |- V2 Z$ q: c% ?
dp2.cArgs = 2;
/ @) i# u) {( @: d dp2.rgdispidNamedArgs = NULL;: M( e" W/ j" k3 A+ y0 W
dp2.cNamedArgs = 0;* b" }- J' Y3 m( F& E
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var.vt = VT_EMPTY;6 I! `% u, p* E* b" `
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// Call IDispatch::Invoke()
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+ g1 w d) @9 p& G2 D; V) r hr = m_pDisp->Invoke(7 F* E' [; l# r7 B7 |& J' L' H
requestID,
3 Z# |1 q, a' f3 \0 i8 t IID_NULL,8 q' s) M( f+ v8 F `( j
LOCALE_SYSTEM_DEFAULT,
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&dp2,( J+ `$ F0 y: L; D/ R% i( J5 r' ~6 Z
&var,
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# f! b2 l5 }& Q! V- y &uiErr);
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# \8 N2 q/ e8 f+ [9 d# J# Y SysFreeString(topicStr);; l- L- i$ S' w6 \. }
SysFreeString(itemStr);
. y+ I f' y9 Z4 z请问该程序是获得extend里面的哪个值?" T! X. f) g6 b+ G% s0 S1 Z
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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