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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:
: P; O7 C9 n$ q: r. T R& ]% Z0 r4 {Name = (WCHAR *) L"Poke";/ F3 K! k( e5 S: `
/ U3 j, x- d0 T" k, B) P. N. E5 z hr = m_pDisp->GetIDsOfNames (# V7 P) M% [7 e3 {# C
IID_NULL, // reserved
* N5 n6 Q( |) ^9 n1 H &Name, // Array of names to get IDs for
: \+ f" q3 v: e+ e9 [ 1, // # of names in the array/ u. O2 W6 M1 p0 K! V( T
LOCALE_SYSTEM_DEFAULT, // System locale
1 r& _4 @; I$ O% }; J" W( A &pokeID); // Array of IDs to fill on output
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if (hr)
. Z$ f+ ~+ E( u4 t! ? {
% }4 E, e: f7 h1 L9 S MessageBox ("Get Poke Unsuccessful");: p* w6 ~/ p7 i# ?3 ]: S' E
return;& W& H- U" d) z, x
}
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& ~* b2 \1 s8 M* Z/**************************传递数据给extend**************************************/
& j$ S1 T9 l2 ?- \" ~3 `+ i- {3 U2 ]% Q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
! s( b" e7 j- y" Y% _
# Y0 |0 n F- H1 g+ l3 F valueStr = SysAllocString((WCHAR *) L"1232"); H$ w f% E4 ^5 E
VariantInit(&pokeVariant[0]);
+ [0 r" H2 W. j1 e. K pokeVariant[0].vt = VT_BSTR;
. `% W5 I1 D: j5 p5 H8 S1 n pokeVariant[0].bstrVal = valueStr;/ n4 b4 o! e0 T/ [* O4 C
L Y, C$ p% ?! q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! G5 t/ S% \( u4 J% Z
VariantInit(&pokeVariant[1]); * @/ p* e/ D# X- |
pokeVariant[1].vt = VT_BSTR;
2 e' `" B3 {9 O pokeVariant[1].bstrVal = itemStr;8 W* T9 l/ g1 t6 m7 A- `3 A
& y' k0 e5 M/ s3 @ topicStr = SysAllocString((WCHAR *) L"system");, C' J% B3 ]% A
VariantInit(&pokeVariant[2]); 1 m- Z1 H& w: w0 S, S
pokeVariant[2].vt = VT_BSTR;$ y" A' ]! K8 c' S
pokeVariant[2].bstrVal = topicStr;
" @( `$ k/ |7 ?# C, _ }
& d0 h, S6 ?7 m" M, w3 \% E// Set the DISPPARAMS structure that holds the variant.; w8 M9 q8 |1 l. V: z
* N( ^; F* ?3 v# Y7 Z
dp.rgvarg = pokeVariant;8 Z- A& u7 Z3 T1 B" m: B5 X3 z, @
dp.cArgs = 3;
; B. H8 T: J& y+ D. N7 N( t dp.rgdispidNamedArgs = NULL;2 v9 r2 h* Y. Y5 P* M h- d+ x- R, I
dp.cNamedArgs = 0;* X* }* X, @ |5 R; Q* |* L
8 I9 j- m1 Q# @& }- n3 E% D$ z& B
// Call IDispatch::Invoke() ` G6 |! Q8 z+ O& |% `- W- H$ k0 _# x" t
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hr = m_pDisp->Invoke(
! g4 V: q; |7 d$ N pokeID,2 C8 K6 {. v; Z7 v+ d$ G9 T
IID_NULL,$ e1 m" j E, e- E
LOCALE_SYSTEM_DEFAULT," K) e6 ^( x/ c7 {2 s8 {
DISPATCH_METHOD,
/ J8 v$ P2 N! S8 J. s; b &dp,
! q+ `0 `: M2 R- G" f2 A9 X$ [2 ^% U NULL,
3 q6 K, f8 b! B3 X) h/ s &ei,/ y0 P& c+ I8 ]8 _4 f. b
&uiErr);
0 L( Q+ Y- d. z0 ?3 S$ f- F1 n& M5 Y+ [. M/ ?
SysFreeString(topicStr);5 d8 F! Q0 l% E$ G: y2 s
SysFreeString(itemStr);+ F: g* y2 q# _) e1 ]# {' m; Y
SysFreeString(valueStr);
: E1 q) C* J; M6 `" J& t
7 x/ Q/ j, ]: O& G; S( O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???# L U, v$ J! r" P; I6 m% h
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????4 a. G% j p" M
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7 _8 g8 w) i5 d; t" v9 y1 n% o4 ~
2.这是request的程序( t i: ~8 G: P: J
// Request a value from Extend5 ?8 K5 q, r/ s X C1 Q* @
//$ A( T$ I( M! {6 h+ B
// Initialize the variant that will hold the BSTR. Set the variant's; Z" T0 r2 k: I, e5 I4 l" c* _$ P
// type flag to indicate the fact that this variant holds a BSTR. Place the$ b- q& Z' F3 ^6 i
// BSTR into the variant structure.1 p" G- N3 a( s0 |; }3 G
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);( C. j! f* U' g/ N9 p0 }' p
D3 A" L. ^) o5 d- Q4 I% l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 N! W2 g( ^3 u p! d* p2 w) v
VariantInit(&requestVariant[0]); * t# F. U7 r5 @/ Z8 ~
requestVariant[0].vt = VT_BSTR;5 m M# u/ W0 Q8 z t8 E
requestVariant[0].bstrVal = itemStr;+ Q" K- O# u8 E3 z6 h2 @, i' a
' H6 Q% f0 e; g c# y; ~: L
topicStr = SysAllocString((WCHAR *) L"system");' X |/ `* a; c, j
VariantInit(&requestVariant[1]); 3 m, f! ^, ]9 M# b" l* f
requestVariant[1].vt = VT_BSTR;
: p" _5 K9 J' f$ W requestVariant[1].bstrVal = topicStr;2 T8 r2 j9 _1 [5 w
# ]) q) z! X+ R9 R// Set the DISPPARAMS structure that holds the variant.
' E; _) t4 H% v5 q+ {. b* D' e# \ e R
! d* |- x4 c( T, j+ k! a dp2.rgvarg = requestVariant;
1 z% p! `) F7 p {/ } dp2.cArgs = 2;' G% ]6 q% @( W
dp2.rgdispidNamedArgs = NULL;
/ b6 Y* j% U1 ?& {6 v( j dp2.cNamedArgs = 0;- }2 [ P- T6 t! {& F
" U5 I- R8 e$ J w! v0 k( O var.vt = VT_EMPTY; o/ P7 |" J1 ^8 H+ l" C
) X7 C# E& A! u8 J* O) F// Call IDispatch::Invoke(); g4 {" h6 W/ N; ^+ x y
# W9 a6 b8 D9 v4 e9 U! ]! f" {
hr = m_pDisp->Invoke(
) w3 y4 f/ F, a: B( ^: X, d requestID,: H! q" {: }1 ?* z4 A" m
IID_NULL,5 P+ e% ^) v/ j E- F' `
LOCALE_SYSTEM_DEFAULT,- s: c+ d8 ]& B
DISPATCH_METHOD,
, j) B; {5 z: S9 b( k( n( m, ] &dp2,
' p) _1 z) G' }7 Q9 l! d &var,2 ?7 b3 q4 o. S1 @: f1 r$ l2 C
&ei,, H5 Q' X- f. ^2 P2 O( I: C% U
&uiErr);
) s5 n) s4 m- n, ~, g! s! N
" V$ ?$ i0 @" V% m1 e SysFreeString(topicStr);
% t: z, f' r, L0 M- W4 S+ V A5 S SysFreeString(itemStr);% r6 ~- |. r+ A* g- k# }
请问该程序是获得extend里面的哪个值?
: z3 D+ X7 ]( v" [& x: j0 r/ t; M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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