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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:
" P7 n5 Y+ ]4 C/ k, Y6 |) jName = (WCHAR *) L"Poke";
) l) e* N% I p1 z2 z- O5 H ?
. U+ |0 B2 c; S; | hr = m_pDisp->GetIDsOfNames (
& \+ O- Y2 s1 x2 c IID_NULL, // reserved
) ^( ~( ^9 ~* A& H- L &Name, // Array of names to get IDs for5 w$ }; a+ ]% y8 O
1, // # of names in the array# I7 @8 i7 a3 x6 c
LOCALE_SYSTEM_DEFAULT, // System locale h, d0 a" r8 q# [. G: `$ _
&pokeID); // Array of IDs to fill on output2 {; O# T9 ^5 @
- W, w) l) I" K& ]
if (hr)
1 c* C# p( v2 v& z% W; [ {
6 A, o$ ? }4 [ MessageBox ("Get Poke Unsuccessful");
0 o9 \& ` r2 b3 j& H" b return;8 Z( t$ z* M; i" D# w
}
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/**************************传递数据给extend**************************************/
3 i+ `. E, n3 U% L( `- h+ @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 ]4 n& E! x& W* R; S; a$ x 1 _ C) ~) e. Q$ R" G( e) {
valueStr = SysAllocString((WCHAR *) L"1232");
% j t; m, `* i$ |5 r3 z$ q' {/ A VariantInit(&pokeVariant[0]);
+ A" E2 a6 H5 f% y pokeVariant[0].vt = VT_BSTR;
* V* ?! e) ]. H: J( n pokeVariant[0].bstrVal = valueStr;
" H2 G9 j, ^ N8 T
3 q, p0 u+ k8 @" [1 U; E8 ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 z: z$ \: m- n$ E
VariantInit(&pokeVariant[1]); $ ?+ T$ {# ~6 n% p
pokeVariant[1].vt = VT_BSTR;7 {' z$ d- X" W0 a* h
pokeVariant[1].bstrVal = itemStr;. X6 u8 ^. \) i) E. h
! y9 ~3 ?; z* i6 I8 T- U- i topicStr = SysAllocString((WCHAR *) L"system");
- ?8 u6 Y2 L( m# H VariantInit(&pokeVariant[2]); " _* T; V/ k+ M$ L. `5 [+ J# s
pokeVariant[2].vt = VT_BSTR;9 R; j# e, ^0 C- C$ l4 ?
pokeVariant[2].bstrVal = topicStr;7 h6 c- N7 i) [# M7 v% s9 x
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
% S' P% z% V: [& E2 B dp.cArgs = 3;7 f/ N9 _" t0 `, D, N
dp.rgdispidNamedArgs = NULL;
+ D- [9 ^/ f/ g- q3 h8 s dp.cNamedArgs = 0;
# k, G! d3 [& `! r3 _, J/ J7 W; W! j$ h0 p( k7 ?: h; z
// Call IDispatch::Invoke()( @/ W4 K8 w$ f! C1 ^7 y# V
0 ?2 i4 A2 z4 c: R, R% Y- n
hr = m_pDisp->Invoke(
3 K9 h7 z3 P! }( O E x b1 E pokeID,' L8 v- s3 \9 `/ T: l5 v2 f/ p
IID_NULL,
: ^$ k" p- P' E3 p7 x5 Q LOCALE_SYSTEM_DEFAULT,
/ y; e1 M0 F$ Y DISPATCH_METHOD,4 Q+ Q: H- o" A' H
&dp,
5 T4 i! |4 D% q5 L NULL,' g6 n" |5 d/ N* b: B& e
&ei,; v; l6 C8 f$ F
&uiErr);
# ~" ]/ H3 E( T1 w( G: k s, r
" T) W" u2 u" ]9 R$ t+ E1 p SysFreeString(topicStr);$ E' z- j, d8 D m! A
SysFreeString(itemStr);
" l9 C S1 d j2 y6 L4 m SysFreeString(valueStr);( L* i/ l) c+ T
# A( [6 [1 b! E/ O: n# W4 a* K: o, M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???& J6 @6 K# v. D6 O9 s
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????; P# o9 u ]0 f4 i
' u8 ~ y# n( ^* ?5 A3 R( j3 b# C+ V2 ^
, ^3 g; F- g% t- C2 A
2.这是request的程序
4 G/ w( z7 U" ^$ U// Request a value from Extend6 W$ y- J h, G$ I- z" G- S& z5 u6 U* W
//
1 h3 x9 A! _# h& G+ p3 P9 N// Initialize the variant that will hold the BSTR. Set the variant's6 b2 U. V0 V) b; G
// type flag to indicate the fact that this variant holds a BSTR. Place the! k& U; H$ Y$ Z; a3 F4 X, ]" R; K
// BSTR into the variant structure.
3 x3 l9 z% [2 g; O2 ~& l2 F& k; P2 G0 ^1 Z. L9 }) h% a
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% D$ _& ^6 w- C8 c VariantInit(&requestVariant[0]); $ s( {1 Y8 H+ V t1 Z+ T2 w
requestVariant[0].vt = VT_BSTR; P+ t5 l0 m7 T
requestVariant[0].bstrVal = itemStr;
& J9 r1 T+ y& S5 d k9 i/ z1 B+ Q2 o1 h
9 c, F8 k* o0 `- F topicStr = SysAllocString((WCHAR *) L"system");3 H6 f9 s8 N: Z! H) q$ \1 Y( X
VariantInit(&requestVariant[1]); 2 c. ?1 ~2 b' y. B) ~) L5 t }
requestVariant[1].vt = VT_BSTR;
. }8 C. R9 z: V0 r requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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* N! |: A3 a7 }2 g7 P% o dp2.rgvarg = requestVariant;
" @6 ~2 a( }3 V, t dp2.cArgs = 2;
2 z! t0 k% ?" K9 ] dp2.rgdispidNamedArgs = NULL;0 r3 I5 d9 O; J
dp2.cNamedArgs = 0;
$ v2 q* i8 V! O( i1 E
# h& o+ l9 V3 m$ H5 n3 C var.vt = VT_EMPTY;% s3 S2 V- s( z8 E
- V' [$ E" U+ X2 J: a5 J// Call IDispatch::Invoke()* Q: T, Z: D2 g: X+ ]# ~3 b
9 Z& R$ h; V" @ hr = m_pDisp->Invoke(
4 I6 t; t; y. F requestID,, u4 }- m6 S4 x6 x( n/ x
IID_NULL,6 r7 C# m6 J; Y+ ]' W) [% d; |; L0 w
LOCALE_SYSTEM_DEFAULT,
; j& `' ^+ u4 P/ r6 q DISPATCH_METHOD,% x! o' ~( M8 N- G5 h5 [
&dp2,
G9 Y6 K4 U; t8 k- u5 F) Z5 F &var,
( M+ H" v! ^/ t6 ?& G! p/ ^2 | &ei,
2 n/ |; y C& f &uiErr);! K% x: v7 r1 m2 ?3 D$ ?
2 @8 a) m9 Y$ j# L SysFreeString(topicStr);* A( o, U$ s# D! j/ h
SysFreeString(itemStr);
$ ]1 r) C3 q4 T请问该程序是获得extend里面的哪个值?; H2 S" Z7 X( p
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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