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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:0 [3 p! Y: a% ^1 C. ]# ]# O4 ]
Name = (WCHAR *) L"Poke";: S* Z/ K$ b4 w
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hr = m_pDisp->GetIDsOfNames (
- A3 v# i* c. O; T9 V, y+ @1 ^ IID_NULL, // reserved
: H2 F" h* f8 |2 M* z4 K4 ` &Name, // Array of names to get IDs for
- W4 S7 u# T0 B. I 1, // # of names in the array0 w, ~+ J% H5 y' [, v+ z# U
LOCALE_SYSTEM_DEFAULT, // System locale
3 W! W/ D8 T" [( l &pokeID); // Array of IDs to fill on output
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if (hr)8 \% W3 F7 y. ~) F5 U T. B$ q
{
/ C: L3 G) a! d7 {- n7 n MessageBox ("Get Poke Unsuccessful");
6 v) H K j/ \# H L return;4 c# I3 }5 `6 L2 \
}( \" u8 R6 ?$ O. I
8 @; }0 w1 D' ? a Z/**************************传递数据给extend**************************************/7 }% E0 z6 u* u2 k) K
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ k; i2 R6 U" u8 h: b2 ?! x
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valueStr = SysAllocString((WCHAR *) L"1232");; L6 s8 X- @4 I, K4 ?
VariantInit(&pokeVariant[0]); + g# `- A4 B2 ?1 ~3 z$ L
pokeVariant[0].vt = VT_BSTR;3 n. q# |- C$ s/ J
pokeVariant[0].bstrVal = valueStr;4 ?8 b i4 s. @. T$ x% t
3 B, k, e Y/ L3 a% C9 }+ ~! T) e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 y# Z4 d6 r! \2 j4 ]9 Y
VariantInit(&pokeVariant[1]);
8 ~9 k% I8 S' C* J3 a$ A8 d pokeVariant[1].vt = VT_BSTR;3 `8 C/ K, L: k. K
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& O" Y+ f1 \; @' j VariantInit(&pokeVariant[2]);
& _8 P+ E& F( F3 f& m pokeVariant[2].vt = VT_BSTR;# L. Y, R8 y: [ j _. \, S
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant./ X8 a( }8 T* s: G" ^. l% ~
p1 w) Z5 a4 @0 s9 H/ i dp.rgvarg = pokeVariant;
' {( I2 M4 N1 k& y2 g dp.cArgs = 3;5 z; a+ U/ Z+ d0 `" u
dp.rgdispidNamedArgs = NULL;
: U" k! ?6 E5 {8 ]( u dp.cNamedArgs = 0;4 x4 R. J3 a6 @$ X% T8 d
' o; l$ z4 a0 _// Call IDispatch::Invoke()0 c" _* B% _8 w3 `+ @# ]; g) f1 }; J" w
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hr = m_pDisp->Invoke(
: u$ f: N7 M( W+ E pokeID,
& I' R, T! {8 [* w& W# l! l, J IID_NULL," r1 R$ \7 C, B' S4 w6 h9 ]6 j
LOCALE_SYSTEM_DEFAULT,
7 o* ]. U$ W; i- w7 V3 }4 @' \ DISPATCH_METHOD,
% D* z* q7 t. ?3 U &dp,
8 `* v+ Z5 f. b NULL,0 t4 z# K6 j) ?6 E6 w2 s' `
&ei," y6 d1 y4 F2 ]% U8 L$ S3 H$ |
&uiErr);
, S- ]5 j! A% f# I
+ S. ]! t3 ?4 q- C SysFreeString(topicStr);5 T$ ?* g% z2 j( e
SysFreeString(itemStr);" N# E; K4 @" d* g: z2 R
SysFreeString(valueStr);9 n2 M& h5 b9 W1 ]7 V
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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???
7 `+ h0 ]+ O; Z; n4 Z U" 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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2.这是request的程序1 c- _( Q2 D; @) [- q; Z: Z
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's$ y( s& L8 r! O' V
// type flag to indicate the fact that this variant holds a BSTR. Place the% M. Z3 h2 ~$ E8 V
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- W- ~0 G% o/ y" s
" w- P: r. p3 {6 K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 H5 Y+ x5 |4 ^' X2 ` VariantInit(&requestVariant[0]);
/ h% g2 }7 s7 w6 p6 E, N requestVariant[0].vt = VT_BSTR;
! T# R5 W+ Q# [8 f O' s' o requestVariant[0].bstrVal = itemStr;: q7 C' p+ p: ?) E2 }( Q
6 H0 c( x% C% [ W3 p+ N3 T topicStr = SysAllocString((WCHAR *) L"system");
3 U$ M u8 T# Q1 A3 X( X* D VariantInit(&requestVariant[1]);
$ O4 Z9 u- a% d requestVariant[1].vt = VT_BSTR;( g) k6 L, d* S5 I, p# ^& i
requestVariant[1].bstrVal = topicStr;
+ [# o6 p! z J- U' s a
; q: @3 D9 C3 J4 `* b& ]// Set the DISPPARAMS structure that holds the variant.! \7 I1 U; \+ F% H; C* b2 N+ E
2 T6 U4 v7 I0 K dp2.rgvarg = requestVariant;0 W8 S% i: R6 a% p
dp2.cArgs = 2;1 C* ^; E' ` x/ I# g) i* ~
dp2.rgdispidNamedArgs = NULL;
7 x0 T/ Z' _, m7 E dp2.cNamedArgs = 0;+ G' t" W& A4 e3 n* S1 {
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var.vt = VT_EMPTY;' z) ~2 V: P& l* W) m
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// Call IDispatch::Invoke()
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; D( s/ B1 p4 g& }4 h: o4 ]6 e hr = m_pDisp->Invoke(7 L0 ~ f& j* ^
requestID,
7 I8 G1 A/ Z2 W4 z6 I) a IID_NULL,( d) \0 s* }) N/ I8 n2 a( l; x/ P
LOCALE_SYSTEM_DEFAULT,
7 v. Z! V% q& ?2 x6 J' S DISPATCH_METHOD,) f& k/ A* T$ [3 I/ l
&dp2,
. A/ ?. N& x/ y* A* I &var,0 t! M( N4 u# t4 R9 `1 Y
&ei,5 h7 u$ i, C6 R! w# M' B+ T
&uiErr);8 E f+ n7 m) f" {" P8 p
5 I2 y- Y5 d$ t! ?3 N SysFreeString(topicStr);
- ?3 U; a8 ]0 d7 {( |1 ? SysFreeString(itemStr);
) j8 v- ]: p7 a% E1 G请问该程序是获得extend里面的哪个值?
, J! g" Z) Y. h+ w9 J: j# T7 V5 A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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