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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:
9 W7 @- A$ F- o* HName = (WCHAR *) L"Poke";
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# e! l' y4 L( G1 T( `' W hr = m_pDisp->GetIDsOfNames (
( _9 @4 C: Z% c) h# W! R4 x IID_NULL, // reserved2 t! G& E$ b; H* s# D( |
&Name, // Array of names to get IDs for' P, O9 a5 n7 r ?- J* a: J
1, // # of names in the array9 I* f9 p& ~! i
LOCALE_SYSTEM_DEFAULT, // System locale
X% a& n4 j& {1 y$ f$ S! e &pokeID); // Array of IDs to fill on output* E/ H n; U& ?& R I N
f$ V9 I) w& a( |, f9 r$ o8 h if (hr)) p) t, @% ^" @
{
0 q$ C4 V- e# h* D$ B MessageBox ("Get Poke Unsuccessful");% h% u8 D) Y- N/ p, M
return;
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/ k& A3 `1 E4 C" h" s& ~/**************************传递数据给extend**************************************/
1 I1 E; p$ R+ J* L: i: q6 g8 [ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( h' s1 s% C1 G* C; Y
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valueStr = SysAllocString((WCHAR *) L"1232");
0 `2 ^) E7 |8 ?5 ]) N# j& t VariantInit(&pokeVariant[0]);
7 c) y% E" p4 h/ ^0 T; l( T pokeVariant[0].vt = VT_BSTR;
% N- I, S3 g& U1 {' n; V( q: E8 X pokeVariant[0].bstrVal = valueStr;
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! Y" q3 U, K$ q8 c% [# g+ [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: I: ?* n( k' a; m' P% M6 U VariantInit(&pokeVariant[1]); 3 u9 }4 C O6 f
pokeVariant[1].vt = VT_BSTR;1 Q1 _1 }4 C9 c9 |6 r, {$ k2 f9 h9 P% j
pokeVariant[1].bstrVal = itemStr;
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, ~) g+ D w+ Z9 a topicStr = SysAllocString((WCHAR *) L"system");7 A: k, Z, N" R4 J) C, ~
VariantInit(&pokeVariant[2]);
2 c- A* ^6 b+ }+ L- B$ ] pokeVariant[2].vt = VT_BSTR;: j4 Y* H: U3 b
pokeVariant[2].bstrVal = topicStr;
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8 h' R. F- O" ?7 n+ d" t! B// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;- U3 H- t1 W& c2 O/ N3 C# D$ k
dp.cArgs = 3;
) G- ^, v! c: S' e$ { dp.rgdispidNamedArgs = NULL;
# C* I$ ~) G" R) L7 }# ^ dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* A' l9 x8 g8 u8 c
pokeID,9 ?3 g3 _( a9 X8 u0 W; A
IID_NULL,6 c4 ^0 c1 ]; g& O
LOCALE_SYSTEM_DEFAULT,( E2 Y2 Z3 M' `% r/ a! u( V& m+ R
DISPATCH_METHOD,
4 W1 ~ N$ l3 I8 |+ ~: Q4 t &dp,
9 V' G# N2 d7 K NULL,
2 t( `8 E$ L' z* ]8 s; `7 ` &ei,' ]9 C5 }" f" w) Z$ K6 m' @7 r
&uiErr);' o! p5 Y# U8 P+ k
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SysFreeString(topicStr);
$ i* b, D/ E/ `4 C9 H- ^ SysFreeString(itemStr);
! D2 a9 W. h0 h( N% U SysFreeString(valueStr);
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1 J e3 }. z& @1 m. Z' b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??? C; ?; Y% W8 G6 H# E; j; `- J8 W
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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2.这是request的程序$ F) e5 Q) e$ N: X3 Z" H. H" M% k
// Request a value from Extend
6 @) J$ `9 U/ O% I//
( A" l! o9 J' I3 n9 i// Initialize the variant that will hold the BSTR. Set the variant's2 _ E5 r: r- s! L: t) f
// type flag to indicate the fact that this variant holds a BSTR. Place the. V7 ~4 n; q* U* C; S
// BSTR into the variant structure.
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6 D$ j2 e2 i; ^7 T9 q( N- |7 q% I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& _. h9 r. @4 k; Q6 B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( ` {: N% U3 {4 g# O VariantInit(&requestVariant[0]); / G! Z9 L7 K! w, v
requestVariant[0].vt = VT_BSTR;) R8 r! ]- H# Y: p) f, W Q
requestVariant[0].bstrVal = itemStr;4 v: r3 I6 a5 A3 a: Q
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topicStr = SysAllocString((WCHAR *) L"system");
% \4 `8 X% T0 [; j" h VariantInit(&requestVariant[1]);
6 |0 ~0 W8 X- r+ h. _+ x requestVariant[1].vt = VT_BSTR;: M' d4 ^1 b4 Y
requestVariant[1].bstrVal = topicStr;
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; m" B9 b7 }4 U* B u// Set the DISPPARAMS structure that holds the variant.
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- Y+ R. t' l" W: l8 ?3 P dp2.rgvarg = requestVariant;2 I9 i: ? D' v6 O7 s
dp2.cArgs = 2;
) y% Y% Q, |$ w- b dp2.rgdispidNamedArgs = NULL;
( F* z( A$ h) L: v) t dp2.cNamedArgs = 0; d) `, e2 E1 E
R0 N0 p8 W3 L$ Z var.vt = VT_EMPTY;3 F K8 Q8 N: T9 f4 p( w& R
$ O @; m! |2 M1 p// Call IDispatch::Invoke()$ r3 J5 Q5 F+ W, g$ N0 ^
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hr = m_pDisp->Invoke(
Q. x: k& d; [ requestID,& y6 o4 T( w# C3 E9 X2 [( _2 n8 K
IID_NULL,
9 p/ c1 U' b# ?3 A6 _8 } LOCALE_SYSTEM_DEFAULT,, \& U; P3 Q7 X' Y
DISPATCH_METHOD,+ w3 ~" f% t( U+ J$ ^: t
&dp2,
/ |9 B: C( z: {. ^ &var,8 W0 L3 m! ? d- O! P
&ei,
; \ @. M9 F* O8 d4 U* M( _ &uiErr);+ q% y' D9 _, k% z7 D
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SysFreeString(topicStr);/ f1 H, s7 F0 W6 J$ B, n
SysFreeString(itemStr);+ a1 j" y! @; `- R1 A$ ~
请问该程序是获得extend里面的哪个值?
) k+ X) b B1 h: L X! Q; o* f# g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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