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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:
2 X7 I! G4 s) j( F9 ~5 B& p. fName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
) L! W% d5 u9 {" @9 S+ p" _1 l IID_NULL, // reserved
% h0 ?+ ^" R# F# E' u" ] &Name, // Array of names to get IDs for# i% g9 E+ g+ a% k
1, // # of names in the array
* x# ~6 J' U9 d LOCALE_SYSTEM_DEFAULT, // System locale
: L; i+ L" Q* ` I &pokeID); // Array of IDs to fill on output2 B2 `3 k" Q+ v
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if (hr)
, R7 J$ E9 w/ J7 a {
" ]! O# b. r( k1 f4 W MessageBox ("Get Poke Unsuccessful");
7 u- G& _6 |- {' ? return;/ e1 i, O3 B$ X' ~. K2 }1 p
}
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/**************************传递数据给extend**************************************/
9 \/ W+ h" q$ W: N4 W. p pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: i/ u5 U4 r0 [8 C( {, T' }
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valueStr = SysAllocString((WCHAR *) L"1232");
/ e! @2 x. C7 g7 Z VariantInit(&pokeVariant[0]); % U: m( Y" m7 M! c- E3 L
pokeVariant[0].vt = VT_BSTR;% J' C+ {3 I [- r7 I9 \4 z/ \
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 w4 d0 o& F* S. l" U" V
VariantInit(&pokeVariant[1]); 0 {+ {4 m. ~/ x7 |
pokeVariant[1].vt = VT_BSTR; M. B {0 P* b" b/ b4 m' X
pokeVariant[1].bstrVal = itemStr;- I# F3 `% m5 u+ L
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topicStr = SysAllocString((WCHAR *) L"system");
9 }6 ~4 g4 e M% @8 x7 z VariantInit(&pokeVariant[2]); 1 H A4 }9 K, Z( M
pokeVariant[2].vt = VT_BSTR;6 P6 V7 p" b" p4 C6 V$ b1 g
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.7 q" V+ F0 f1 I5 E3 d: u( S
+ }/ C: K5 A" S, U( m
dp.rgvarg = pokeVariant;3 w7 d0 Y P; X/ k0 `! g M' d! c
dp.cArgs = 3;7 v9 Y- g6 s) E: r
dp.rgdispidNamedArgs = NULL;
$ D6 ]# @7 _0 o! w( w$ i dp.cNamedArgs = 0; ?7 t/ d# f1 Q9 D7 N
" h: I1 n2 \9 R, {0 u- o
// Call IDispatch::Invoke()& q5 f9 v- k! y4 E7 a6 |8 ^8 G
/ }( q: D& `7 o& D" ? hr = m_pDisp->Invoke(
' T0 y( m$ a! [9 w pokeID,% f" u0 ^% [0 X' S
IID_NULL,) C0 j" X6 N$ J/ a# D" o; L
LOCALE_SYSTEM_DEFAULT,
' t( H. H) t- G h' {" w# n DISPATCH_METHOD,
- w3 s& s2 z7 S' v+ @. U# w; x &dp,: J( L2 i( b6 r7 J r" p, w
NULL,5 R: \1 H2 U+ @$ p0 A
&ei,( A5 ~8 U9 V. c5 k* F
&uiErr);5 c5 V8 W& u4 o4 V- }: B; v2 d
1 ]' F$ k# Z" q: W
SysFreeString(topicStr);
% S2 I2 g) y9 ^, x( X SysFreeString(itemStr);: j* u% x1 ?1 q, p/ x7 l; I0 h
SysFreeString(valueStr);
- V" S( Y* W0 @; O
9 i: ^+ D3 I, O7 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???
6 d( M( w0 c# ]8 D3 Y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????8 c' r) l0 e1 z. h% @3 ?/ c
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& u7 y8 V8 K$ r0 c7 q6 Y. |2.这是request的程序
* @( M" E* ? t9 e// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
' x9 Z D7 z! ^// type flag to indicate the fact that this variant holds a BSTR. Place the$ H- {' E$ V- g* u# l
// BSTR into the variant structure., H9 M' B8 \( w. t L
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 F; S9 D6 \" B+ r$ |$ u VariantInit(&requestVariant[0]);
* _1 n: c8 N5 T0 O requestVariant[0].vt = VT_BSTR;
( l' y0 U1 h+ l requestVariant[0].bstrVal = itemStr;6 y' E2 S( v4 p' ~0 j
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topicStr = SysAllocString((WCHAR *) L"system");
: P! \2 P3 S, F VariantInit(&requestVariant[1]);
" E) z/ J& T7 x# J" m, [' @ requestVariant[1].vt = VT_BSTR;
7 i) P. ^* f- A2 M7 B6 o requestVariant[1].bstrVal = topicStr;
9 U! D3 Z0 B* C! T+ ]
+ Z. U: Y! r. B6 `% c' X ]- P// Set the DISPPARAMS structure that holds the variant.4 Z9 H0 a) j0 K
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dp2.rgvarg = requestVariant;
' N; h: O, J' l' p6 J' _ dp2.cArgs = 2; A3 ~$ O6 A+ p, x H
dp2.rgdispidNamedArgs = NULL; v4 |, A) f+ u% [; h
dp2.cNamedArgs = 0;- i$ n7 m" Y4 L8 }' B1 ?. C( i. @
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var.vt = VT_EMPTY;3 L9 w2 @, ^) C( m, X7 k. ~
/ S$ @4 Z+ W# b+ j/ v// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
( \( Y7 E q# r requestID,
5 c% E9 k& o- U; C IID_NULL,
m( d Z0 n0 ^ L6 H LOCALE_SYSTEM_DEFAULT,
% k* a p3 T7 p$ i* G! R2 H DISPATCH_METHOD,3 e5 `( a/ [) N" d) r9 f, h: M5 s+ ^# r6 B
&dp2,4 N- C. N5 E) p/ Z
&var,
( n; B# K$ I0 {( _8 E# X6 ` &ei,$ V& H- F$ y# ~- O5 g, r+ K
&uiErr); A& e6 f7 K* g$ a M
. h0 M( u$ c( e2 ? SysFreeString(topicStr);
: o& O# }2 T. P( K SysFreeString(itemStr);
! j1 ]3 J$ C( ]# G请问该程序是获得extend里面的哪个值?
6 F! \1 D! r7 y+ c1 b0 P( j/ @& x! o( S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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