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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:* ]$ f- Y; _+ k# L) ]9 Y
Name = (WCHAR *) L"Poke";
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0 } x. ^- r* L1 @+ h hr = m_pDisp->GetIDsOfNames (# Q6 D9 Q2 g( B
IID_NULL, // reserved [3 i5 l, L2 n9 l
&Name, // Array of names to get IDs for
+ d! I$ J6 F' g# L; E% G9 n 1, // # of names in the array5 d( M# w# j3 ?3 u/ a8 o
LOCALE_SYSTEM_DEFAULT, // System locale
, u8 o0 D& Y. k( f; Q+ _4 q &pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
- ~5 ~! V9 L3 D return;
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/**************************传递数据给extend**************************************/
0 K; S. ]+ {, w7 e. | pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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( _4 |2 Y ]$ H0 `; @# o4 V valueStr = SysAllocString((WCHAR *) L"1232");
& s. K% v) a I. a VariantInit(&pokeVariant[0]);
# j& H+ q# Q" V7 X/ D, Z pokeVariant[0].vt = VT_BSTR;! x! d" @7 j9 f1 k8 `
pokeVariant[0].bstrVal = valueStr;7 H, S6 r/ _, W8 D
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
. C* X A. i9 _& F' i4 ~# [; o VariantInit(&pokeVariant[1]); ; I! d" g3 F! @% q
pokeVariant[1].vt = VT_BSTR;
4 p8 Q7 w5 s# @4 r pokeVariant[1].bstrVal = itemStr;
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) c9 X$ Y0 H9 P ? topicStr = SysAllocString((WCHAR *) L"system");
: s1 A9 J" V& ^/ o$ s& i, O VariantInit(&pokeVariant[2]); 1 @- t* u$ f/ f) h
pokeVariant[2].vt = VT_BSTR;: V3 t, v' h* v# ~
pokeVariant[2].bstrVal = topicStr;
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- L* G; m( n U# _// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;3 W7 X5 t* p. }9 b# j) y3 e
dp.cArgs = 3;
$ u- @' p/ G; @) n/ X8 c4 H2 Q2 d dp.rgdispidNamedArgs = NULL;
( ^9 J. R! {. `! p! `% f) G H' Z dp.cNamedArgs = 0;) d# b0 |: I4 ^) _
( x6 ~2 {, d+ o ?: ]: Q; n- z+ m! g// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
! T& g' U/ `+ a; e5 {& G pokeID,$ Q( P4 D9 Z9 L( `/ C! I
IID_NULL,( o& ^3 J( h0 n2 ]% Q
LOCALE_SYSTEM_DEFAULT, v) q) y5 e% T7 Y
DISPATCH_METHOD,
8 n& G5 B3 P7 u) f! C" O &dp,# v9 W" l5 }* B8 Z' w' S
NULL,
, |! u7 T& O8 P B &ei,
0 c4 Z+ x8 f, E( f# E &uiErr); i2 _6 o5 `( X8 ?. K
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SysFreeString(topicStr);
1 ?- w) u6 F3 Z. f SysFreeString(itemStr);: ^# ]7 ~7 B2 } \; {% F5 ]) c
SysFreeString(valueStr);3 \" ]' j2 c; f5 \/ B9 h! V+ r
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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???' h. c5 \+ l* g" g7 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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) `" r7 U( ^2 Y3 n" ?" i3 Y2.这是request的程序
1 K. B0 c2 Z0 }4 X2 t: u// Request a value from Extend0 j+ R$ \( N- A4 R( L
//, i" L% I$ d% ^6 W' I* f1 R+ L+ v
// Initialize the variant that will hold the BSTR. Set the variant's
( {- t, t) v+ h7 V/ b0 Z" Q" J// type flag to indicate the fact that this variant holds a BSTR. Place the
- b. n7 G* d) q/ S4 ^// BSTR into the variant structure.% b6 \( M E; E" ~5 `: }
# w- Y) I/ E& D! X requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ i C+ q" b' u! V! n! W9 E6 c
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: `0 `( s0 _8 t# S# Y" I3 i! f VariantInit(&requestVariant[0]); 4 K: S) t8 g5 I/ o! l" }; U
requestVariant[0].vt = VT_BSTR;
' F. @; ^) l5 e: s4 N" Z- q' B3 L requestVariant[0].bstrVal = itemStr;& {- D- {$ D3 H. R$ m7 c: W
T) ?; V: ` B" F. F7 O
topicStr = SysAllocString((WCHAR *) L"system");! A. A2 _1 X- h. g' k
VariantInit(&requestVariant[1]); # H. R$ N6 `1 b) }- r- r* w+ G0 k, D
requestVariant[1].vt = VT_BSTR;
, o4 f& n3 w: H [7 s3 H6 x8 O5 k requestVariant[1].bstrVal = topicStr;7 l5 [& E9 ^$ N# \& q. }
& P/ c7 S: _, X( D1 l; U// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;3 } Y/ Q9 V5 b2 h. D/ }
dp2.cArgs = 2;
1 ~4 r" o6 z0 F5 a# x8 l& f dp2.rgdispidNamedArgs = NULL;
6 }( Y/ F% q( r) S+ A) x1 ] dp2.cNamedArgs = 0;
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0 M. u# g* E! N* a var.vt = VT_EMPTY;! F9 n. W/ M1 e! R `: R# M
7 }/ l% F4 [$ S1 F* A! g4 E// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
7 N# [9 p4 }' y q( i3 R9 X$ I requestID,2 L* G S! u; E/ h: N! L! ?
IID_NULL,
}0 s7 f9 G: t- ^" ?# ] LOCALE_SYSTEM_DEFAULT,
( b+ q7 \* I9 v+ h7 J' y2 J$ G DISPATCH_METHOD,
N9 i% R$ b3 V. z0 }/ H% ]$ _ &dp2,
$ L+ N5 [: z1 i% x( R: `, Z &var,# z: |8 @7 n+ @7 I9 `
&ei,& L) H' ~ [' t6 ^ {
&uiErr);
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SysFreeString(topicStr);
/ T- y5 B" @% _, E; }7 c SysFreeString(itemStr);
6 w0 r' f% v- O& p" a6 N1 j$ X* L请问该程序是获得extend里面的哪个值?
; m& |/ h: L- C4 ~8 u8 ^4 V! J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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