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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:# \) b% m2 g% O; I* v' L
Name = (WCHAR *) L"Poke";
' K/ I8 k& i/ u: G) z& n
, m8 m" \! I9 s1 B hr = m_pDisp->GetIDsOfNames (
' Y, j/ J1 I5 I/ l) ~1 E b" O IID_NULL, // reserved7 x! k+ l E. ~; s* m) h
&Name, // Array of names to get IDs for0 z6 L# W" R7 l2 R8 ?7 P
1, // # of names in the array
5 Z( b6 b/ E& N LOCALE_SYSTEM_DEFAULT, // System locale, [) V( U" C# _7 h5 u
&pokeID); // Array of IDs to fill on output
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8 \# V, v' T: k U% A* c" O$ `1 H if (hr)/ \$ s9 y3 n1 C- p) I- ~
{# ~/ h9 S6 K; A7 O4 s& O
MessageBox ("Get Poke Unsuccessful");
s9 g5 O1 d9 G return;
' R/ b8 p- S& x5 P }
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" K! K3 T, j% e" B' Q: K$ }3 y/**************************传递数据给extend**************************************/9 N4 ]9 o( z1 D" ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);) ~3 M# I/ D* ^
B% k: S9 ?9 @! I3 A
valueStr = SysAllocString((WCHAR *) L"1232");
! N5 }9 \! {# ~$ c6 [ VariantInit(&pokeVariant[0]); 9 t# c$ i3 H: M: U( {
pokeVariant[0].vt = VT_BSTR;
4 K$ t& O1 q7 {! _5 `) J+ F pokeVariant[0].bstrVal = valueStr;0 @3 {3 n! @2 t2 l6 x$ a
0 G& R; O4 v1 O# |) f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# G) d/ z* z) c( X$ Z/ D& V
VariantInit(&pokeVariant[1]);
5 A6 Q: \* {" c l pokeVariant[1].vt = VT_BSTR;* o, u5 `& z$ O ]" U& H
pokeVariant[1].bstrVal = itemStr;
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" I; `7 d8 F( U6 h* O) W& c topicStr = SysAllocString((WCHAR *) L"system");0 e3 _1 A% ]) G0 X: V
VariantInit(&pokeVariant[2]); , K( O, t$ w9 K$ A0 D: @" G
pokeVariant[2].vt = VT_BSTR;
& ]+ u: H: L% f& {; Q pokeVariant[2].bstrVal = topicStr;/ s2 K5 A% h" f: p! z! i# N5 _: K
6 B7 ^( s3 L$ ~7 v% y, O// Set the DISPPARAMS structure that holds the variant.! q9 J- j( ^( E2 H6 N( c
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dp.rgvarg = pokeVariant;
6 ]5 a* k! L# L3 J dp.cArgs = 3;
+ r4 v+ c5 y* a6 C1 v: ] dp.rgdispidNamedArgs = NULL;
2 Q$ E7 A V7 H( j* d7 o+ F dp.cNamedArgs = 0;1 R( P j2 _- E* s: v& P$ t6 t. J
2 i' o0 V! r; k# W$ C. u; {' _
// Call IDispatch::Invoke()
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; u, l: z1 I6 L. x; l hr = m_pDisp->Invoke(
1 c# X7 P8 u: x" m. h) { pokeID,
$ _* A% s) t2 b: ^0 e3 _0 i6 L IID_NULL,
/ V% M ], u8 p2 U! W* ^ LOCALE_SYSTEM_DEFAULT,
( _4 e+ G0 H" P# b0 ]% @/ u q DISPATCH_METHOD,
) o! ?) O- Z9 U0 O" K, I6 c &dp,
- ?; G6 G. X+ j; C NULL,
) Z& |/ t, |6 B' j1 f" ` &ei,
" o$ r+ K- Y9 T( E" D. m1 K &uiErr);6 V! Q+ l' c _1 d1 W, t
# P. d, y: ~! e. x' q* g5 H
SysFreeString(topicStr);, `8 N8 T1 ?2 f: x
SysFreeString(itemStr);
9 @' n1 }. b. u5 } SysFreeString(valueStr);
. J& N& V% W+ d' t {' R
. o4 x3 m6 ` S! D" r1 e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 U/ X4 \! _! ]# M8 M: I4 W
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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6 }* D# R" ~' I: f) }
2.这是request的程序# l0 o/ Y6 e/ W, E; q" f
// Request a value from Extend
# F% Y8 r$ A$ L, o) P3 y; M//
' I; |; d; m3 X8 ?1 }) Y// Initialize the variant that will hold the BSTR. Set the variant's
" p' W) f8 v9 d" Q0 F) k: }/ e. r// type flag to indicate the fact that this variant holds a BSTR. Place the' `2 \4 F- d" s# D, j" J: m
// BSTR into the variant structure.
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! B6 z. w2 G4 b1 t, b1 S1 t1 P requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 {* y1 j7 l, I( {3 @ VariantInit(&requestVariant[0]);
5 J4 j1 f* p4 W$ ]" }3 F1 ]5 e requestVariant[0].vt = VT_BSTR;# N1 |( R! Z% Y; b- Q7 S7 B
requestVariant[0].bstrVal = itemStr;0 h" j1 a2 G5 `9 C
4 p7 K$ }: S; P3 _/ }) C! _$ a topicStr = SysAllocString((WCHAR *) L"system");
# h% W6 J9 N$ T4 ^2 i VariantInit(&requestVariant[1]); 4 ~, P% S/ @3 ^2 @" u
requestVariant[1].vt = VT_BSTR;
* ~% B& t# `5 {& S O1 U% y( @0 ]/ @ requestVariant[1].bstrVal = topicStr;* K! W8 I" D+ k5 {: G1 v4 [
9 C1 Z6 y% e+ E1 R// Set the DISPPARAMS structure that holds the variant.
7 z* [& H. K" X1 {
' {4 I6 q) c6 Z$ {& I. ?1 h7 _ dp2.rgvarg = requestVariant;
, V( m5 c# ^# P; h dp2.cArgs = 2;
$ V) m* v7 ~$ `0 B- W: r dp2.rgdispidNamedArgs = NULL;
& A( |: s! b9 U1 |# Y; t2 n2 } dp2.cNamedArgs = 0;
9 i9 W: o- K m# I5 p! T$ v; ^. v7 ~0 n! j& `) V; J+ s' w* y$ ~
var.vt = VT_EMPTY;' C, K6 b7 k* S% ~8 K
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(& o8 v$ b4 b3 G1 i
requestID,
* D' y* V* F5 m0 R. O. J e: p IID_NULL,& E2 C* ~' v6 E- ~: P
LOCALE_SYSTEM_DEFAULT,$ _- I9 {# v2 P: _1 F
DISPATCH_METHOD,% G- a* g1 f8 X% d! y" p& P
&dp2,
' n% C! B" d0 I- ~# {8 _ &var,
3 I( d/ b: p7 w" t T &ei,
2 k1 \) B8 q6 Q0 t/ \0 E &uiErr);
2 Y2 u" W% ]- w X
8 M) O! f" @" I( v7 ?: a SysFreeString(topicStr);
0 c3 [6 i4 {2 [$ y( A0 m SysFreeString(itemStr);3 q9 e& z$ a( F' `
请问该程序是获得extend里面的哪个值?: |* j- v* U( z, j
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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