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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:
1 [: n' O* x' Y/ }) V3 TName = (WCHAR *) L"Poke";
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# J" f7 @0 L4 ^. `, f8 {6 T" Q# s hr = m_pDisp->GetIDsOfNames (
: Q# s) q) S# P3 L4 x! g/ {2 C IID_NULL, // reserved6 X( z' T z- _) o6 Z
&Name, // Array of names to get IDs for% \; l% X+ c( b4 q
1, // # of names in the array+ S4 v: L' U1 `& g
LOCALE_SYSTEM_DEFAULT, // System locale' o8 h, b: y9 q7 f+ @4 }
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");! ^2 U/ U: o9 A
return;
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+ c J, T) P9 u/ V/**************************传递数据给extend**************************************/( L: O2 h% k6 f( h3 H
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
. C& w$ S$ i8 T" @ VariantInit(&pokeVariant[0]); ; k o/ J9 s/ X( s$ O+ I
pokeVariant[0].vt = VT_BSTR;
' D2 U3 ?- V$ B! e' L9 s pokeVariant[0].bstrVal = valueStr;" s; q* X6 u2 C' ~1 |, y# m
$ d" D8 o! l5 b7 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' ~. _! ]& V- p2 W/ }) T
VariantInit(&pokeVariant[1]); 3 F( z( q. p) b% m5 Z3 C: r
pokeVariant[1].vt = VT_BSTR;) ?2 d9 s3 q$ S) k# f+ e
pokeVariant[1].bstrVal = itemStr;! {% C* y) j+ Q! r' @. O, D3 `7 l6 @
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topicStr = SysAllocString((WCHAR *) L"system");
( l8 V0 | w* r2 a: J& y- a VariantInit(&pokeVariant[2]); : H! n5 u9 k" f a
pokeVariant[2].vt = VT_BSTR;) f0 Y, A, \" O! q2 P$ i/ r
pokeVariant[2].bstrVal = topicStr;: x2 j3 T& w$ h i' H
" w `1 r" Q# u' V* @// Set the DISPPARAMS structure that holds the variant.$ e0 ]8 y5 u0 E4 B$ P2 c7 w+ g
u* k$ e" O" i1 }- ^1 D dp.rgvarg = pokeVariant;
8 `/ j" `: r; [7 } dp.cArgs = 3;
@3 _: ?& K/ X% S" \4 H dp.rgdispidNamedArgs = NULL;
e+ _. S% W3 a; D6 q0 \# m6 V dp.cNamedArgs = 0;
; e) H, i( U: x5 E! u
+ O5 j# P2 P5 \// Call IDispatch::Invoke()
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* l0 b2 J7 z H hr = m_pDisp->Invoke(* u$ g2 q! J/ Y
pokeID,% r2 Q5 n1 ^; s& x" o/ D
IID_NULL,1 q6 g9 N6 \+ _; J
LOCALE_SYSTEM_DEFAULT,6 C4 {5 z; Y& x+ @0 y7 B
DISPATCH_METHOD,
" J8 l0 w( r3 a& M& G &dp,
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&ei,( }2 H* V" b' h
&uiErr);. I' ~ a3 T l" a
, P7 G+ `- K1 Q+ g& C3 {! H SysFreeString(topicStr);% `2 }( k; s( ]& D. s7 ] _/ z1 k3 {
SysFreeString(itemStr);# A& Y# \4 a; o, h: W+ W0 U/ x
SysFreeString(valueStr);, E: A( I7 M1 a5 n( t) R6 h$ [$ i
! U& m" Y( [' O! S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???
4 [6 r `% V6 M1 Q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
7 G" G: z5 X2 h2 A// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
7 q j* _5 I9 n8 }+ g// type flag to indicate the fact that this variant holds a BSTR. Place the$ q" V/ @7 Q5 A8 y% {* e
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" w4 `1 z: Z2 N2 O4 K+ r
; i# V0 I( O& V( w* f4 v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& g% J! O6 f# G- |% z$ U5 |& w- V+ ? VariantInit(&requestVariant[0]); 0 g8 a* v: v1 B. D; X& q
requestVariant[0].vt = VT_BSTR;# F& |5 @: C% O; x. Z, v
requestVariant[0].bstrVal = itemStr;+ w) H& } n, d* E0 j' M' j+ `
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topicStr = SysAllocString((WCHAR *) L"system");- Y" I8 t0 A. Z5 l, z
VariantInit(&requestVariant[1]); " s m1 r5 F% B' p
requestVariant[1].vt = VT_BSTR;# P" J8 K* h/ U$ r
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.# _; }; Z4 j0 `/ c- K; o1 G
; O: B. e6 s( r1 q8 G: V) t( S c dp2.rgvarg = requestVariant;
?8 u/ p. D# ?5 L: k' d dp2.cArgs = 2;
9 P( f; ~' U) O( W6 Y dp2.rgdispidNamedArgs = NULL;8 x6 \3 X8 p/ o3 k/ @
dp2.cNamedArgs = 0;
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' n: Z- x) N+ c8 L- Q var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()! z1 P2 W. v; {2 G! Q* h
4 u: k+ v: ^! C( G: o7 { hr = m_pDisp->Invoke(
" N& _" c; b0 M, N5 o requestID,8 ?% i% A# A# h1 D; B
IID_NULL,8 V3 E+ g# j$ t% J
LOCALE_SYSTEM_DEFAULT,
. L. S' M) y% Z' x DISPATCH_METHOD,9 {" ^: z# o5 m9 m' m6 T
&dp2,+ H& q# V: L s9 l
&var,+ N# q7 s: B: G) c9 B) T8 |
&ei,
. {. z& o0 ?0 @2 O &uiErr);
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SysFreeString(topicStr);+ {/ B8 W: \% _, X/ D' M& H
SysFreeString(itemStr);
! R# [" n* _* y' V" r请问该程序是获得extend里面的哪个值?" `4 D+ U) `6 f9 C; {" I
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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