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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:: s4 ~) X$ z# S$ U4 t
Name = (WCHAR *) L"Poke";- |0 e" b; B! z2 C" Z6 Y
4 N# z* ]1 N( G- A hr = m_pDisp->GetIDsOfNames (
* r2 O7 H1 \5 C1 Q' { IID_NULL, // reserved
' Q# D4 Q+ R Q3 [ &Name, // Array of names to get IDs for; Z8 |1 B& b; _( ]9 l: y/ [
1, // # of names in the array
' |3 A4 E7 Q" |5 ^( J& @6 K" } LOCALE_SYSTEM_DEFAULT, // System locale7 r) h( o0 ^# I8 R
&pokeID); // Array of IDs to fill on output
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if (hr)
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1 r% V7 X' O. A; @ f9 f) ? MessageBox ("Get Poke Unsuccessful");; z3 J: l% u8 A& g0 c3 N
return;3 E# D Z b3 q+ o/ f% G
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# \$ |, g3 H, ^- E/**************************传递数据给extend**************************************/$ c: M( m, {/ X) {6 b" F
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);: {! b! _ C( J) C# ?" t, H
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valueStr = SysAllocString((WCHAR *) L"1232");& G* n' q3 T9 i! m
VariantInit(&pokeVariant[0]);
1 r( O1 {- E1 J+ e pokeVariant[0].vt = VT_BSTR;1 x9 k$ h0 Q2 r, a" J
pokeVariant[0].bstrVal = valueStr;
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! t- `8 c, P6 X* U/ j/ \ n itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 H7 j7 c$ u& l. ?1 l
VariantInit(&pokeVariant[1]);
! A5 [1 D% R D) r pokeVariant[1].vt = VT_BSTR;
1 l. {* |0 ]/ m; C pokeVariant[1].bstrVal = itemStr;+ g2 ~: ]! j4 c' L
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topicStr = SysAllocString((WCHAR *) L"system");% M; G1 h! q* ]1 `
VariantInit(&pokeVariant[2]); ' X$ y1 z+ s4 d) B: Y9 i, L; ]
pokeVariant[2].vt = VT_BSTR;
! S) b1 Y: U6 V# e pokeVariant[2].bstrVal = topicStr;
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- P! a: y, {3 p& K: Q- X4 r, _// Set the DISPPARAMS structure that holds the variant.4 u' l( j( r% U5 F) Y) k' ]
$ _# K) Z" O. w dp.rgvarg = pokeVariant;
$ x) r" k' g( V- a7 V0 l! k7 H dp.cArgs = 3;" f2 q( F2 s3 {8 g) x7 I
dp.rgdispidNamedArgs = NULL;7 }. W! L" H: O/ z8 p
dp.cNamedArgs = 0;
* C0 b- z# d9 C% `# C: n/ F; ~) @
3 p* j& p& C9 a$ _2 E! |// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% V( C, j$ f; {0 }: `0 }3 ^ pokeID,* b5 ?( w& w, O. I* N7 I+ `
IID_NULL,0 U8 @! ?+ j, i& M- m+ D
LOCALE_SYSTEM_DEFAULT,5 b3 ~$ r0 O# M; A* |& O" R
DISPATCH_METHOD,! N0 C* [* w! M7 h. f
&dp,+ G3 ~7 j0 p; Y; v! W7 N1 _. D. O
NULL,% U d2 s; g, `" o. G
&ei,
. w# j: V$ P! O" C' w &uiErr);% @7 ]) z! Q1 N- q9 d
7 _7 Z- Z I: _! Y: w1 r, X
SysFreeString(topicStr);2 D8 r2 u2 B0 Z4 h1 U" h
SysFreeString(itemStr);
- T( m( x& _2 r i1 a1 t$ } SysFreeString(valueStr);- E# L+ \1 m+ M( H: L( D$ S
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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 h1 l6 R5 N4 b: a! k' F5 `
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????1 e) }: A( }- R& l, f
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2.这是request的程序
4 M6 r$ D( p" _ o+ h// Request a value from Extend
, ~0 } J0 o4 U. i- ?% R( ?//, g& h8 t! i% s6 l( J
// Initialize the variant that will hold the BSTR. Set the variant's3 L5 R) d5 d9 K( k; O9 D9 D
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 a7 Q$ e7 w3 O/ k// BSTR into the variant structure.' k0 r, @$ ~8 V# @$ V! s9 j
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ F9 |2 n8 w- }* V3 n' F# r1 C* O. C
VariantInit(&requestVariant[0]);
8 B, C2 Y- n# R5 u4 X) l8 G requestVariant[0].vt = VT_BSTR;; _ Y! l u1 R4 ?: t6 F
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");' H! G* Q* b) S
VariantInit(&requestVariant[1]);
. x# y" [9 S2 U* X1 w requestVariant[1].vt = VT_BSTR;( s1 ^7 Q. m8 W
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.* L& T- }% W3 g" J; }
- S( ^" w8 @0 W0 t3 ~: V dp2.rgvarg = requestVariant;) L6 [" D* e: k
dp2.cArgs = 2; u& \5 H- f# @8 C- M
dp2.rgdispidNamedArgs = NULL;9 c0 Z' t" L7 u( b
dp2.cNamedArgs = 0;1 Y3 g$ S8 c1 f
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- Y) L* B9 ` L
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hr = m_pDisp->Invoke(6 { G3 G8 x( F" [, n
requestID,
" {. m& H* Z) x/ F1 X5 Y: C IID_NULL,
! D: ?+ Q* H3 G* l LOCALE_SYSTEM_DEFAULT,3 ?# w- L% X3 B" a7 F
DISPATCH_METHOD,
9 n2 Z+ e+ W( Y. h &dp2,! ^) v7 b% v( e# v! K5 f) T& \
&var,% T; Q) N3 r$ F3 J; m- w
&ei,
: M) Z, \6 Q* v7 o &uiErr);
+ |/ ]- b V3 j# p
! J( t' p& w$ e3 r SysFreeString(topicStr);8 k2 @! x x8 A* a
SysFreeString(itemStr);, |( \" i. }7 F0 h
请问该程序是获得extend里面的哪个值?
2 u8 h' G# t! X( S4 j* F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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