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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 v& R& a9 U# U% L0 r5 uName = (WCHAR *) L"Poke";
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" @2 V, `+ m" ?4 @ hr = m_pDisp->GetIDsOfNames (7 p0 W8 k/ ^* b7 T
IID_NULL, // reserved
# K# \7 ~' b* K7 f6 V6 s &Name, // Array of names to get IDs for
+ ?2 r& P3 Q* `& _ 1, // # of names in the array' T* b. N6 d! c6 |. y
LOCALE_SYSTEM_DEFAULT, // System locale8 k# m$ q# e: z2 W8 ?3 `% D
&pokeID); // Array of IDs to fill on output
' I( v3 |6 Z# H0 ?4 | U5 R2 _ + X; m7 p9 I) m( M
if (hr), j& t- d4 P: ~8 v) `$ P
{
: x4 l6 E z5 h( L; C1 S4 w. ~7 x MessageBox ("Get Poke Unsuccessful");3 }7 U/ b0 o3 I9 N9 k7 |& c$ l! F
return;) a# N$ P4 Y6 s% M, j
}
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6 N0 k- W1 s. ?' G/**************************传递数据给extend**************************************/
6 m4 o3 h! n" H c6 H4 \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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j) E) d! B0 A- |% k& E valueStr = SysAllocString((WCHAR *) L"1232"); D( K! U9 u H
VariantInit(&pokeVariant[0]); 5 M9 h$ v! w3 C* q
pokeVariant[0].vt = VT_BSTR;3 e" r9 \. \: M7 \* `! U: _
pokeVariant[0].bstrVal = valueStr;
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4 N! G/ n8 i9 f( |- ?1 l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 o' Y' [/ x7 Z M( @
VariantInit(&pokeVariant[1]);
. X! i4 X. ^( V2 ]% R/ D pokeVariant[1].vt = VT_BSTR;5 @4 K" ~) b8 R2 F. r2 R6 R* i. o
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
; Y1 P0 l- J9 R VariantInit(&pokeVariant[2]);
7 S4 U/ C; n3 r5 Q1 q, x pokeVariant[2].vt = VT_BSTR;6 u; [8 i2 x( Q4 z1 B0 a
pokeVariant[2].bstrVal = topicStr;8 W9 [& k/ q# u; ^2 T* V: p
8 v2 ^ }, s4 X+ t, a, e% ^ a// Set the DISPPARAMS structure that holds the variant.
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B, T+ k- @" I R( { dp.rgvarg = pokeVariant;0 A' w- q, }2 T+ u. h( P; I
dp.cArgs = 3;
' m/ D/ U6 D5 F4 q dp.rgdispidNamedArgs = NULL;
9 {; d( N- _: z# f( @. M% B2 ` dp.cNamedArgs = 0;
9 h! m0 N1 \% m% M' d1 k' Y
6 l7 u8 ~+ m) b8 H# w- E5 q. K// Call IDispatch::Invoke()1 D5 B7 @/ S. H& e8 T% n
9 D9 \$ A0 R! {9 {' c; z" Z9 C hr = m_pDisp->Invoke(
# W* D6 D6 E3 [0 o' D pokeID,7 C j% G* B( t$ \' t
IID_NULL,/ U# K1 a* M4 K Y: S
LOCALE_SYSTEM_DEFAULT,
- O. R# T4 G/ n; S% z% V" W5 c8 b2 ` DISPATCH_METHOD,
: F8 t. H7 R7 b &dp,8 N* `9 U& t s/ Q; M; S
NULL,
x' W* U3 J3 `' C &ei," Y" R6 w3 ?! ?7 R0 {$ J7 {* u
&uiErr);$ \ j) l( n' M( e! z+ o+ W; A" G0 y
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SysFreeString(topicStr);
% g1 U8 q$ T* h: O; b) B* G2 Z SysFreeString(itemStr);2 ^8 Y$ k8 o% {7 y4 [
SysFreeString(valueStr);' C V2 p1 J! q# J- B
' n g( v2 Y. D% n$ ?8 b" j6 W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 ~7 v* z8 k% \
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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0 }5 z) U% p# U2 s7 t" c8 ~ N2.这是request的程序& L1 S4 m7 z- |. P( ^7 B# r( ]0 ?5 `3 B
// Request a value from Extend% |& _6 i# X1 f3 D V5 \
//
' a3 N+ q& x" U' J// Initialize the variant that will hold the BSTR. Set the variant's
4 D$ H" q/ Z9 Z* F) R1 v// type flag to indicate the fact that this variant holds a BSTR. Place the9 V! K$ _4 I# L. ~3 G. ~: _
// BSTR into the variant structure.
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+ S: b, s8 m: i8 ~ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 f' d4 Y. y# a4 R; i- F VariantInit(&requestVariant[0]); , t0 z, q$ W E& E
requestVariant[0].vt = VT_BSTR;
5 R; h3 v# D+ D0 o1 P" I requestVariant[0].bstrVal = itemStr;
" y s5 U7 M5 v8 r& G i& k
6 F& ~3 H L) u topicStr = SysAllocString((WCHAR *) L"system");- }# B: g y. B/ B; A+ A0 |7 c
VariantInit(&requestVariant[1]);
/ y0 f% r7 z% v9 | requestVariant[1].vt = VT_BSTR;
, j" d9 I8 S! z: R: T% j requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
V8 v7 ~' x, W% N dp2.cArgs = 2;
' {+ x g/ F3 U& o- e; x9 ^ dp2.rgdispidNamedArgs = NULL;
& E9 D. @3 n& Y dp2.cNamedArgs = 0;- y( ]2 o2 q7 M [! s
$ D7 i" J+ L! u! k& D1 B var.vt = VT_EMPTY;5 ?0 _: Z' a q
, L& x# z% i; C// Call IDispatch::Invoke()! d: _ l& B2 y. x
8 _; ^9 P6 h5 u+ e hr = m_pDisp->Invoke(
@7 Q& _* x: k6 g9 z requestID, V3 Q; J7 z8 ?$ d( }! M5 D0 \) X
IID_NULL,! l' Q% c# [1 K }; `5 f2 {& ?
LOCALE_SYSTEM_DEFAULT,! V: [4 c. c/ @, I8 p- M* ^8 [
DISPATCH_METHOD,
8 i9 c2 X9 h1 a( { &dp2," U3 H ~1 E7 P6 Q
&var,
9 _/ W, c$ x1 q& I# q' Z &ei,$ A8 i; ~" l2 g% @1 c/ J P0 H
&uiErr);
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0 D& a" Y+ P; q7 u) @8 D4 k SysFreeString(topicStr);
/ ?: g9 H$ `2 i8 [: c SysFreeString(itemStr);3 |- B% V8 t& ~4 i0 L! N& N
请问该程序是获得extend里面的哪个值?. a0 h6 O, M9 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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