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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& b& ? X3 w- n& _/ }
Name = (WCHAR *) L"Poke";
8 ?0 e6 u- a+ o, T8 ~
C* [7 u( M% U+ n hr = m_pDisp->GetIDsOfNames (
! L2 L' P6 e& k2 \* ~. C+ ?8 u2 N6 B IID_NULL, // reserved
0 j1 u1 d3 W1 |9 U* o6 C3 u &Name, // Array of names to get IDs for1 D: V" ~% N" J) c# w5 q
1, // # of names in the array! T) L8 N' Q( d$ E1 U* w. A
LOCALE_SYSTEM_DEFAULT, // System locale
3 {& n# R2 {( W. Y3 u; r! c &pokeID); // Array of IDs to fill on output. x' k3 D! w4 i1 a x; S
$ e) I/ V B& S) i0 ]
if (hr)$ R3 r0 n: l3 a6 {8 N6 D$ o' q
{* Q$ y+ m# L! [; Y# i
MessageBox ("Get Poke Unsuccessful");
0 y/ d! ]2 T# w# a! Y3 e- `' H3 x return;7 }2 K' f/ b; N8 {5 Z2 o
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5 ~/ M( d+ Y/ \: D, r6 X
/**************************传递数据给extend**************************************/+ X2 T/ S8 J* g& r; b2 [) i
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
% Q+ b9 u8 y# } b6 R) Z VariantInit(&pokeVariant[0]);
+ A( `$ x3 b- x) O: R( W2 U9 a pokeVariant[0].vt = VT_BSTR;4 j5 l m# ]' L9 O
pokeVariant[0].bstrVal = valueStr;8 a% ]' P5 p* P4 y Y
2 a4 ?# Y8 Y, B& \1 k0 M. _ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 u3 L1 _9 B2 Z1 Z" E! w% |% q
VariantInit(&pokeVariant[1]);
1 Y4 R) F4 r& ~ pokeVariant[1].vt = VT_BSTR;- e+ N( d, q* s# t$ H
pokeVariant[1].bstrVal = itemStr;
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! M# E5 k4 q3 X9 E+ M( z1 z5 S; ? topicStr = SysAllocString((WCHAR *) L"system");
$ V/ E, O6 A; p0 F% G# t VariantInit(&pokeVariant[2]);
0 m. V6 z; K+ o6 I* D' @1 k5 Y pokeVariant[2].vt = VT_BSTR;
& O- W1 e: r9 n6 y" Y pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.% v* K8 ~9 J9 j+ [6 N T6 @
8 O, e+ T0 d" I dp.rgvarg = pokeVariant;
* H6 @$ n! f: w dp.cArgs = 3;) ~1 y9 q( C6 B9 ~
dp.rgdispidNamedArgs = NULL;
& V( ?" ?' G7 ?7 A9 Q dp.cNamedArgs = 0;* t9 [) q" p$ f* F1 ]
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// Call IDispatch::Invoke()
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/ K' C$ V: T. t7 {! L8 | hr = m_pDisp->Invoke(( B8 @5 T9 k v( v T
pokeID,
" X0 X% Q9 R, `9 G$ b3 f7 W IID_NULL,
) k* W9 [ u3 o, k% B$ I- Z LOCALE_SYSTEM_DEFAULT,
: s- Y4 E- E! {7 k DISPATCH_METHOD,
; R) m% ~5 h) z+ y- d &dp,1 X+ t$ P. I+ r8 m
NULL,# a, G1 `+ a9 z8 g1 B' W. m
&ei,
7 F) P4 Q2 }7 _5 C1 `4 J9 ]' \ &uiErr);
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7 A" `* O) W& B SysFreeString(topicStr);
5 f* o4 B2 u0 `( n: k9 _; ~ SysFreeString(itemStr);
: T0 h6 d3 |7 i$ L) D; b SysFreeString(valueStr);# l5 c1 l, K m- A, S
3 [. |3 u7 {* n
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???
0 l. S4 Q0 p7 l# ?5 Q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 |7 ^# A$ |2 U! V; F* }4 h: e; S: d3 o
2.这是request的程序
& u/ D( \' z- G/ u3 q// Request a value from Extend
1 p! I! a/ d9 j7 B. F3 F( [; B//
3 _8 F! [# O- h/ b" p' N7 H// Initialize the variant that will hold the BSTR. Set the variant's# n5 j4 Z6 w: w( ?. x) ]4 {$ T
// type flag to indicate the fact that this variant holds a BSTR. Place the8 @2 Z. W, n& G! g2 K
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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" `. ~: a8 L( q8 {, X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 E: @7 d/ m# b0 P; w& P VariantInit(&requestVariant[0]); 8 [. ]2 |. J9 o, G3 Z2 P) i9 d
requestVariant[0].vt = VT_BSTR;# e) n" G' x- }1 Q% S5 j
requestVariant[0].bstrVal = itemStr;6 D! y' D! ]3 R' k2 z
$ h1 C) `) q. D" J0 V8 Q6 D topicStr = SysAllocString((WCHAR *) L"system");
0 Z$ _5 W1 s n. n' M VariantInit(&requestVariant[1]);
! E- r% q* P! z0 V$ E1 i/ u4 _) ~ requestVariant[1].vt = VT_BSTR;5 \) @' x9 M4 K* k( q4 p1 r% A
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. I3 J5 g2 j: M6 n3 @, w
7 _9 `( c: x, }4 ?# F! i dp2.rgvarg = requestVariant;
6 v6 o5 K7 n; U6 u7 n6 P* a dp2.cArgs = 2;
2 J- J. C5 W8 M2 W E. v dp2.rgdispidNamedArgs = NULL;, h) Y6 h) h/ W1 u* K& f
dp2.cNamedArgs = 0;
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+ W; R3 f: g* D2 E) B4 b U$ \ var.vt = VT_EMPTY;
+ h* U( I$ X: z
. @/ z( z; }" q& J! u Y% O// Call IDispatch::Invoke()) W5 M/ M; H# ? w; i
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hr = m_pDisp->Invoke(
7 W* x# k5 A" D+ e9 q5 R requestID,5 @4 B0 r& b, `8 _3 c
IID_NULL,
: D+ F ` g% c5 J" a LOCALE_SYSTEM_DEFAULT,# R& @8 V2 J- i% ^ r
DISPATCH_METHOD,
. B1 O' R( t8 b. |/ ?" @0 W+ @8 u &dp2,
' D/ C) o7 I7 p, W &var,
- [6 M8 R: {' F* K &ei,
6 ~( E3 `6 I+ V. a7 d &uiErr);
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8 W8 V. s, \, b3 y SysFreeString(topicStr);
- T9 x8 D- F u) _7 M, Z& q SysFreeString(itemStr);& H& M7 O8 r1 G* E0 z! V
请问该程序是获得extend里面的哪个值?( n& c: j0 t( \5 e
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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