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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:# z7 @: y) ]( K( Y
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
5 ?5 j; b" v8 ~; c# C6 ?; f IID_NULL, // reserved
! t/ P6 [: W7 f( o# s; J &Name, // Array of names to get IDs for) A( ?7 x* l, r! M) q! n
1, // # of names in the array
8 n2 g" L# K* a LOCALE_SYSTEM_DEFAULT, // System locale
# i3 p; b0 C' N* o' f9 d9 K &pokeID); // Array of IDs to fill on output
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if (hr) q3 t" Z h& t/ _- X5 J3 P; O# n$ v* N
{
) Y* c! i, j" K9 x& F! V6 K2 M( e' ^ MessageBox ("Get Poke Unsuccessful");
z0 {. `9 {& k k3 A4 H' _5 o return;. ^. }6 n! O( ?
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$ J, r( {! L( S8 |! E/**************************传递数据给extend**************************************/
& I0 E! G) T& o7 A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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* D* L# ^+ A6 x- ] valueStr = SysAllocString((WCHAR *) L"1232");
' e7 [9 y! e; q/ p7 | VariantInit(&pokeVariant[0]);
. R# i- [1 O3 u& V0 @ pokeVariant[0].vt = VT_BSTR;2 S1 ^; ^6 Z+ o2 F9 z `) j
pokeVariant[0].bstrVal = valueStr;0 z+ S3 b: v) Z7 q
9 K; \- u/ F! A; ~2 o& C" L" G itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ n" f4 ?$ r5 y l3 J( I
VariantInit(&pokeVariant[1]); ! U' L" @' B |) S! C
pokeVariant[1].vt = VT_BSTR;
" W6 x0 e7 e V) I5 v9 M pokeVariant[1].bstrVal = itemStr;
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8 ] |- Q) K6 H4 j) i& T1 z topicStr = SysAllocString((WCHAR *) L"system");
7 e: m5 d& f; Q7 r# E VariantInit(&pokeVariant[2]);
( V8 P k0 Q2 [1 Q5 j+ h pokeVariant[2].vt = VT_BSTR;
% Y. k* l7 [4 D, R pokeVariant[2].bstrVal = topicStr;
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) ? E& ]6 D$ P$ y/ O// Set the DISPPARAMS structure that holds the variant.
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" \ k' ~. t# H# Z+ r3 l" t dp.rgvarg = pokeVariant;) x9 b! {6 f* `
dp.cArgs = 3;5 n* w* |4 @! v2 v
dp.rgdispidNamedArgs = NULL;
9 ~, T# o B3 p0 m$ J) J dp.cNamedArgs = 0;3 l( r5 @4 f" h0 M1 ]
6 K( u/ E7 W4 u* e// Call IDispatch::Invoke()! C- _# g, T' X& e, M
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hr = m_pDisp->Invoke(: B% I8 j4 _# g
pokeID,+ ~: Q& U3 a) ]/ a M$ Y7 v# z4 _
IID_NULL,
8 B) I$ _, D4 K# v6 f1 K LOCALE_SYSTEM_DEFAULT,
+ q: L; `5 P% G5 C7 l, A* b DISPATCH_METHOD,' T6 }3 C! o) l5 f9 b9 {
&dp,& j2 q. H# A; V8 N, b. i6 q( `
NULL,3 j( p1 }7 {- W! O7 v+ e/ I5 Z& {
&ei,) J3 E$ D X) c
&uiErr);8 \ c9 i4 Z: Q6 l4 y
7 x% w o1 ~1 c. s7 x3 N SysFreeString(topicStr);
( m3 {& S& W* A+ m+ ] SysFreeString(itemStr);
c n3 C# B3 W6 d1 k SysFreeString(valueStr);
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4 i3 S. w ?6 b+ q" S8 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???7 t6 ~# S' y5 N" Q; 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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" R: k) n! `1 D% ~0 B$ ~2.这是request的程序2 \: \! E; w' s$ Q
// Request a value from Extend7 L+ x* C. Z) \. i7 p3 i
//
' i6 y; S, P4 ~// Initialize the variant that will hold the BSTR. Set the variant's
. W- y1 m ?( k( S, V// type flag to indicate the fact that this variant holds a BSTR. Place the+ a; e9 z& Q- n$ G
// BSTR into the variant structure.& I. p8 M+ ~- c% q
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ B" Y" f( h( K% D
VariantInit(&requestVariant[0]); 5 \) P8 B5 @$ W& z9 {- N* e6 {' q
requestVariant[0].vt = VT_BSTR;
: B, T& z" n3 v6 s requestVariant[0].bstrVal = itemStr;; j1 h4 z. W3 |
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topicStr = SysAllocString((WCHAR *) L"system");1 y2 U2 |. \" u3 h) L' p1 N
VariantInit(&requestVariant[1]); * o6 E" r5 L+ C/ m
requestVariant[1].vt = VT_BSTR;* F3 I. X8 `0 L
requestVariant[1].bstrVal = topicStr;: }# o b5 I' F: }
$ O$ N3 _- _; ~2 O2 N$ j" q9 ?6 w2 k// Set the DISPPARAMS structure that holds the variant.. w% o: s' H% g" Z! r
& w0 {( X! y! t+ U4 c8 J6 Z dp2.rgvarg = requestVariant;
: V6 M. ^. [0 `" T! q* V dp2.cArgs = 2;7 s/ ]5 Q! F( w( Q. T
dp2.rgdispidNamedArgs = NULL;
0 d: \: r0 C- D6 j/ w: A dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;- j, [7 O' z8 l3 {& _
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// Call IDispatch::Invoke()9 P+ ?: V. u. d6 R& [4 A) U. w6 j
- m# j, U6 i/ }$ s. f3 `8 w8 G9 @ hr = m_pDisp->Invoke(3 q0 M! }. q, L
requestID,
- P5 U! z: e& d' J IID_NULL,
# S7 T2 J" s! u- @' f LOCALE_SYSTEM_DEFAULT,) Q% r6 J! _ e- t/ l7 W- H
DISPATCH_METHOD,
7 C' H5 _% M2 D L &dp2,& ~2 h4 D" m5 n+ Y
&var,' Y* T {) v# D0 o
&ei,
% }$ T) P4 W- j5 ]& ?0 Y &uiErr);
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SysFreeString(topicStr);4 I8 S! Z+ C9 F. l
SysFreeString(itemStr);
, `& P* }/ w P9 R# W+ O: P) j6 X+ P请问该程序是获得extend里面的哪个值?
4 n S* m0 i* V: H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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