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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:
$ e; i6 `0 k/ r( c4 A) QName = (WCHAR *) L"Poke";& N- g) t" ?2 D& d; f
7 t( r6 d$ T/ K hr = m_pDisp->GetIDsOfNames (8 d5 ], C/ k; c
IID_NULL, // reserved
2 b" a7 e% d! n V, ~4 u# H &Name, // Array of names to get IDs for( a: o- ~4 S) T; X" X' X
1, // # of names in the array( `$ A# T% J& v t' s; p7 t5 c
LOCALE_SYSTEM_DEFAULT, // System locale
" ? x: ?9 i! t5 R3 n &pokeID); // Array of IDs to fill on output
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* w. R) \% D' h4 E& ~ if (hr)! E) z- W z8 S. | J# Q
{
3 j1 E- l3 i: ]2 e' E$ c MessageBox ("Get Poke Unsuccessful");
$ s- B, q) A8 V; u0 }* J) o return;+ A# B' @- o: ^
}
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w7 K0 d$ Q6 b% W0 j; T, k/**************************传递数据给extend**************************************/
9 G! w- i2 c/ j( e+ X2 I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 k4 M9 j4 T) |. j' i9 ]8 P7 U
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valueStr = SysAllocString((WCHAR *) L"1232");
# L; f7 ~ O: i$ Y, ~ VariantInit(&pokeVariant[0]); 3 C0 N" _! P* d" G3 d# n* c. V/ a
pokeVariant[0].vt = VT_BSTR;( b8 H+ Z& e) d* S! x
pokeVariant[0].bstrVal = valueStr;8 B; {; k; x0 [. d& J
2 Q' k* O3 B1 {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 X a2 o& h7 ]+ M7 d VariantInit(&pokeVariant[1]);
8 V) ?: p+ n% T5 m7 ?2 Y k pokeVariant[1].vt = VT_BSTR;) s" p+ W! S' [3 @8 x
pokeVariant[1].bstrVal = itemStr;4 [$ A* S4 _4 l
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topicStr = SysAllocString((WCHAR *) L"system");
0 E" W- p# ^! o D! i1 ~ VariantInit(&pokeVariant[2]); & j, D0 S* p2 i3 c2 L" |) s
pokeVariant[2].vt = VT_BSTR;0 m; s' m* l4 }1 I
pokeVariant[2].bstrVal = topicStr;) H, F i& x, c$ @( S f
* z) K+ D( Y, i8 V// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;4 @1 K4 w/ \: l; G7 V9 h
dp.cArgs = 3;
! r) X8 ]! o7 ~9 L) z, C! \# K dp.rgdispidNamedArgs = NULL;- e+ P2 a$ t7 X+ B% u% [1 A4 j
dp.cNamedArgs = 0;
+ j5 _; j9 o' g% P* D
. R! a' U9 T, O; w// Call IDispatch::Invoke()2 H& Q$ d" N% t* y D/ N* G% M
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hr = m_pDisp->Invoke(
$ S, L( m* @6 d7 s- Z; l pokeID,! u+ e" h! `" ] `, {/ `
IID_NULL,* `- y0 q% `6 o3 H/ ^% _" d% s0 C
LOCALE_SYSTEM_DEFAULT,
. d Z: {; D0 p* d1 [3 t' f DISPATCH_METHOD,
( @: E% {8 y7 G. G/ q: F# y &dp,
S$ k1 }8 r0 p3 } NULL,
) O( Y4 u/ s1 }7 g! N$ I &ei,
3 y/ m% g' \$ y: b* q" r+ W( S& Y &uiErr);
4 J4 J9 K% k2 N
! k! ^$ ` [# T6 g5 r+ W" c1 { SysFreeString(topicStr);4 t$ _0 Z! Q4 ~: l
SysFreeString(itemStr);2 b) c- L+ G* M8 x6 J
SysFreeString(valueStr);/ M3 {/ ^; m1 z, ], t, y
3 g2 Q5 P7 c' b' U; a
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???
8 |( K0 b1 c8 i" i7 V) 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????
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1 C6 Z; v2 P& _0 T6 y6 y; i
2.这是request的程序+ {5 ^/ q. @: }1 F6 O
// Request a value from Extend" m$ m: X2 X& G
//
. b/ L! r: B, t% f// Initialize the variant that will hold the BSTR. Set the variant's
2 ~; Y1 @: X& U, y4 u// type flag to indicate the fact that this variant holds a BSTR. Place the
* F5 I9 \: n6 g. U// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 C2 k c, l) W
# i$ s v$ u# i3 F
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& r6 T; I& F0 ?9 e6 o- j VariantInit(&requestVariant[0]); + |9 q! N( b( T4 s! d' q5 R
requestVariant[0].vt = VT_BSTR;7 | I$ k* Q3 M) l
requestVariant[0].bstrVal = itemStr;3 g8 y2 N9 O, G: U8 u
1 E4 o% {$ O& a. ?9 D5 J topicStr = SysAllocString((WCHAR *) L"system");/ R1 Z) t7 b" A" m& X& u
VariantInit(&requestVariant[1]);
/ [, ^4 I% G; A! V0 z& A requestVariant[1].vt = VT_BSTR;
6 b% w7 n6 ]: j1 U requestVariant[1].bstrVal = topicStr;+ D: e2 | b9 Z) g& ^
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// Set the DISPPARAMS structure that holds the variant.
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+ I; Z7 w5 q9 E1 k9 t8 u dp2.rgvarg = requestVariant;( O7 C( n0 q( [/ ^7 Y
dp2.cArgs = 2;
" I2 L% z* e* g6 | dp2.rgdispidNamedArgs = NULL;* ]$ u7 Q+ g8 P! ?; ^8 g$ Z
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;( w! [. d# F) R5 M: R5 g
) |) _( R7 p0 l1 {// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
, P( V& c g( @7 W requestID,
- E0 |2 s, V5 Z. O IID_NULL,$ Y- I6 [( ]0 |3 v
LOCALE_SYSTEM_DEFAULT,; z' Z5 o; f) z3 M2 d
DISPATCH_METHOD,
$ f. i3 F) S9 @/ X2 L &dp2,
; y3 B+ |# y3 Y, H1 c &var,
6 {( L# Z1 M/ q &ei,
: f! O7 V5 _% o &uiErr);" E& y! @7 q" z
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SysFreeString(topicStr);
# }/ [2 k$ d! U- R4 } SysFreeString(itemStr);
% h0 U, v: {4 n. s请问该程序是获得extend里面的哪个值?& [! |, v# [0 ?* Q, H# v
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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