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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/ ]. H7 t* w9 G4 CName = (WCHAR *) L"Poke";
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: g( o' D" H; O9 A0 o$ r hr = m_pDisp->GetIDsOfNames (1 a0 Q O( h# w: _0 i( e4 \& f
IID_NULL, // reserved
6 q: A' N2 T( J( C8 }, K &Name, // Array of names to get IDs for
! ]- q& }8 a& R3 h D0 a7 H 1, // # of names in the array
6 r7 r4 h: Q" e' f3 Q7 m LOCALE_SYSTEM_DEFAULT, // System locale( I0 V" r6 W6 Y
&pokeID); // Array of IDs to fill on output0 _+ h$ ^# l a% U8 t- ]2 B
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if (hr)3 O! D1 w0 C2 m; W6 x
{) ]3 l' A* Q |
MessageBox ("Get Poke Unsuccessful");& a S3 Z$ B0 v \
return;/ D6 W- H; }" k" s' n
}
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/**************************传递数据给extend**************************************/ j( C5 E( i% L2 N* Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# ~3 I5 k; B3 P7 k4 L; a; }; o7 M ; N2 y, h/ |/ @. x* R0 X, C
valueStr = SysAllocString((WCHAR *) L"1232");
/ c" p4 u, e' t2 ~. Z! f VariantInit(&pokeVariant[0]); 0 x7 m6 _. W2 n/ E' y. I
pokeVariant[0].vt = VT_BSTR;
3 x/ U8 S7 \9 f% b) N, Z pokeVariant[0].bstrVal = valueStr;6 M1 ^& M+ F4 }" v0 p' P: \/ r' \
8 F; Q( A N8 D8 w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 E5 f. t/ t1 t% B VariantInit(&pokeVariant[1]);
) j T+ U! B/ V+ B8 ` J pokeVariant[1].vt = VT_BSTR;$ s5 F6 H: E- z H- ~$ u- l
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");, D$ o$ n% `% E
VariantInit(&pokeVariant[2]);
3 C; _, ^. w- c0 o, r8 X9 t pokeVariant[2].vt = VT_BSTR;
' p& j x3 a/ { Z+ o pokeVariant[2].bstrVal = topicStr;( ~* ?7 [1 |7 n
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;8 n/ F! M# S) _7 e0 w
dp.cArgs = 3;
5 q0 `) I' O- }3 a6 D1 h6 N dp.rgdispidNamedArgs = NULL;
) g) o/ E4 @0 O( K9 [; U) M dp.cNamedArgs = 0;
% i4 ?! Y8 ]$ k# q
8 C0 y8 N4 W* n& V2 F5 W) m// Call IDispatch::Invoke()
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) o, b- I( }3 q hr = m_pDisp->Invoke(
9 t. T4 J* W# Y: m pokeID,/ N) v# o/ V5 g! r- [ P6 s3 L/ ^& F
IID_NULL,3 V9 Y! X7 k5 R9 v: e1 g% y
LOCALE_SYSTEM_DEFAULT,
) R3 H$ ?! g+ L( a/ S DISPATCH_METHOD,. ~2 U9 J3 _, d
&dp,
9 J3 T8 L) p$ y8 w NULL,
: I( C/ [1 _4 J* }) U; I &ei,1 F% h0 c' l) w5 V Z( }7 f9 T0 z
&uiErr);( T1 f% ^% v; l) ~
5 N1 O; T5 W4 R1 b, {& } SysFreeString(topicStr);: B3 J0 {5 r+ d5 s+ Z0 k0 ]
SysFreeString(itemStr);
6 ~" D3 w1 z3 J8 P7 D& i+ f2 f5 v SysFreeString(valueStr);4 w( p5 b4 \1 o; ]1 y
" S& U+ j* } 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???
2 w) D+ S, f, O4 [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????8 Q, b0 G' W5 W3 o
6 n% Y# t0 V, r6 `% g
- l" z4 k' m- w4 E8 M2.这是request的程序
6 }3 X/ k6 o+ ?2 p$ E2 p% `// Request a value from Extend1 f+ y* W1 X9 u/ Z' s4 [
//7 I% B1 ^; f) n8 H5 ]. \ R
// Initialize the variant that will hold the BSTR. Set the variant's
2 ^1 ~9 o- k9 \. b// type flag to indicate the fact that this variant holds a BSTR. Place the
0 K- { A9 p+ \7 g# m$ [// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) D0 S y2 m' R' ^% ~* \, J2 H7 Y6 r
VariantInit(&requestVariant[0]);
6 [: ] S8 F3 w* i+ S% [; k7 \ requestVariant[0].vt = VT_BSTR;
, y: g- Y$ l3 \) Q/ u5 e6 f requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
9 {+ F6 F$ o% O5 _ VariantInit(&requestVariant[1]);
; o/ u" A& i2 n requestVariant[1].vt = VT_BSTR;& H6 r, h* H( A/ j; v
requestVariant[1].bstrVal = topicStr;
- r. i5 J% q' A. A1 {
8 o/ b' K. W; {// Set the DISPPARAMS structure that holds the variant.
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6 ~, F/ M: d' Q# U7 X8 Z' p6 H9 y dp2.rgvarg = requestVariant;
" P3 W/ E1 \# d& o/ H% [2 w( } dp2.cArgs = 2;
9 R( V7 V& B5 U' H0 }2 v+ N: ^ dp2.rgdispidNamedArgs = NULL;! Q2 V. @2 e7 x; K$ Y4 R9 E
dp2.cNamedArgs = 0;) U$ U3 T! N: k9 H
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var.vt = VT_EMPTY;- Z3 ? t" b8 _; w, C# n/ g! X' \
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// Call IDispatch::Invoke()6 c0 Q* d5 x; a3 P' U; y7 _3 e! a
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hr = m_pDisp->Invoke(
. F* F7 r& ?8 w* ~6 g o+ a requestID,$ W2 c+ ^7 X' d2 C) [& c, ]
IID_NULL," |4 q6 D$ G) M" V0 e
LOCALE_SYSTEM_DEFAULT,
6 O5 _) |+ K& Q' U! w1 h DISPATCH_METHOD," G B& G) f: }$ [ k
&dp2,0 ?# p* z7 v0 W# G3 \
&var,$ R( i' i# X; m2 E: U& Z7 U, @
&ei,
9 n+ N o# V& A% y n4 P" k! G &uiErr);
. [& H3 g7 P- `5 q, S1 P- Z" w
8 i/ c V1 X( r2 b SysFreeString(topicStr);& T# Q6 X( c* A1 C$ O. I$ L$ y
SysFreeString(itemStr);7 G5 W; R+ U* X) |% a
请问该程序是获得extend里面的哪个值?
- q' n4 _1 @7 K) Q1 L" P+ g* _, a3 O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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