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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:
% i! `! j2 _% J; i. _3 q! ^Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (1 X$ w9 ]) S" S7 j
IID_NULL, // reserved$ z8 H1 f% n" C7 ~3 r, R
&Name, // Array of names to get IDs for
5 K" h j" c$ P, H8 l 1, // # of names in the array
+ b; f" ~7 q' J& l) ` LOCALE_SYSTEM_DEFAULT, // System locale* P; ` c- a* G: U( c
&pokeID); // Array of IDs to fill on output
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; ?! |+ c8 w7 m5 _ if (hr)/ `% M+ p2 g; ?. _
{# \) ]' E. [+ w2 p* h) R- n
MessageBox ("Get Poke Unsuccessful");
7 V; m2 Z. m+ o3 { return;
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/**************************传递数据给extend**************************************/
0 A" `! _0 j7 P! U; E2 P; c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 L$ n% O9 u1 F. w$ k
+ Y2 \, M3 W1 u# T' O3 Y7 Z! O1 j valueStr = SysAllocString((WCHAR *) L"1232");# e/ h" n" C2 u8 Y$ c' N" c2 j
VariantInit(&pokeVariant[0]);
. k% |* C1 Y" k/ S pokeVariant[0].vt = VT_BSTR;
) M) S, m1 a s pokeVariant[0].bstrVal = valueStr;% |9 ~- _3 v) G q: M: e
8 X$ e( B3 z5 C- c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
b% R( F" I, `# d VariantInit(&pokeVariant[1]); : A5 n, Y2 D; {" y3 C; q0 Z2 r
pokeVariant[1].vt = VT_BSTR;, p2 Q* h2 B( Z2 F' T/ J6 ^! C
pokeVariant[1].bstrVal = itemStr;
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% @: Y; W/ ~: K/ z! o& l0 d topicStr = SysAllocString((WCHAR *) L"system");* }$ {) B/ i9 U8 ~; d# }! Z
VariantInit(&pokeVariant[2]); + `3 r4 ?7 N" q. L5 V6 e+ o
pokeVariant[2].vt = VT_BSTR;6 g3 j! z' o- h) Z
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
8 M: t! f9 p8 l8 P8 U- W" s6 u dp.cArgs = 3;; D0 `! v9 Y" D! ^" r; j/ Z% F
dp.rgdispidNamedArgs = NULL; v: [# a6 J. Z0 ]- ^" B
dp.cNamedArgs = 0;9 P3 g& U* E, G0 m* F4 Z
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// Call IDispatch::Invoke()3 y( s, ?$ Y8 k" l s* Q/ A
3 B1 n' R* y. ~ hr = m_pDisp->Invoke(3 d" W& Q9 n/ e( A, D. `( q
pokeID,% [: S o: V/ \
IID_NULL," m/ @9 p3 h n# W
LOCALE_SYSTEM_DEFAULT,
% `# v" v* L0 z5 F( ` DISPATCH_METHOD,$ M+ |1 ~: \+ M7 c: Q: w
&dp,
, \. ?: x) ^, ~* G NULL,% b9 l6 a3 m9 R8 f- d2 q6 q
&ei,4 H, Q0 ~ a: i, R2 f% h
&uiErr);
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SysFreeString(topicStr);
+ O# u H0 v4 P( C+ X8 B SysFreeString(itemStr);
8 m0 I# v3 C$ a5 F, \( X7 F" p SysFreeString(valueStr);
% t, |* u9 J6 ?' G) i( u7 b- Q& y2 f, B# Q
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???. {9 l2 q2 |: W6 ?9 i; R
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????, X% T) _- R0 [
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2.这是request的程序
( Y* s" J$ b E0 c// Request a value from Extend4 |" R/ W4 @7 X" q6 ^% I- Y
//
% p0 m) }9 n8 Z// Initialize the variant that will hold the BSTR. Set the variant's& L) q/ v0 b0 T9 B/ S- e
// type flag to indicate the fact that this variant holds a BSTR. Place the
: Y' T; h+ e( \// BSTR into the variant structure.
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5 G4 F# v9 r) m5 ] requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# H1 K3 ^2 O" l$ v
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 K; C# ?4 g) a& y3 X3 k8 W* H
VariantInit(&requestVariant[0]);
+ R! W! v+ a- j+ [3 E# X7 b8 C6 Y Y requestVariant[0].vt = VT_BSTR;8 l" X; p$ f2 i: f7 a+ n( b
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
4 y& ~6 |( R: G' G: a7 U VariantInit(&requestVariant[1]);
7 U1 w( B3 g2 [/ w; j4 P7 G requestVariant[1].vt = VT_BSTR;
" m2 {/ Y4 G% ~+ o8 E3 V! u requestVariant[1].bstrVal = topicStr;' g0 m) z+ _3 O2 q& ] b9 l' |/ o7 y" E* H
/ e+ D x8 U( c4 w% P$ R# H+ y// Set the DISPPARAMS structure that holds the variant.0 Q: ~7 X3 |. n; }7 e& { m/ M& Y) }
. P3 g" j* \9 M dp2.rgvarg = requestVariant;
% v4 `& c) j# N$ Z( E7 h5 G dp2.cArgs = 2;( L- Z9 P5 w# ^
dp2.rgdispidNamedArgs = NULL;2 d# ^% w n' }$ S
dp2.cNamedArgs = 0;# @: }$ s6 V* c' Z& F0 h- _
8 ~7 X" K! w; Y" { var.vt = VT_EMPTY;
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4 c; p4 ~, g9 F4 m t// Call IDispatch::Invoke()
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) }" M+ t, I. [$ c( Q6 o- w/ [ hr = m_pDisp->Invoke(
9 w: L9 Y$ M3 z! O( t+ I requestID,
& t( x8 p- P: V+ I/ @- ` IID_NULL,
' B7 F; H5 J* K( m$ u: F LOCALE_SYSTEM_DEFAULT,7 G' ~+ O' [! H! n, |! r' ~
DISPATCH_METHOD,* F; J; c, ?' g3 B
&dp2,
& L a3 t8 W1 x( a4 b &var,! D* |: a$ S2 f; q
&ei,
8 ~; h4 J$ I& a8 u1 k &uiErr);1 \; z7 r) J; [/ W8 n
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SysFreeString(topicStr);! z! G3 i- r0 V9 h, k* _6 D( S
SysFreeString(itemStr);) @- g3 ]' g: e* \+ q
请问该程序是获得extend里面的哪个值?
$ y! b+ G4 b' s, Z5 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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