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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:
/ u. ]! t4 i6 i. D# TName = (WCHAR *) L"Poke";5 J) Q8 ?" }% ]% a7 I9 Z/ c' w
7 _1 v: Y/ @: k0 J7 o/ ]. s. s2 u hr = m_pDisp->GetIDsOfNames (& L. L) R5 U r% P# n% G+ W+ b) K( C
IID_NULL, // reserved X+ d# h( f4 S0 m& \1 m. \7 P
&Name, // Array of names to get IDs for: y; I7 {. T8 u8 u1 u! {6 I( t
1, // # of names in the array
4 c! k8 A5 p* |, F7 `; Y f5 _8 | LOCALE_SYSTEM_DEFAULT, // System locale
% G, C$ B' i2 f7 [, } &pokeID); // Array of IDs to fill on output" a6 ~# d$ G- T) H3 n- I
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
3 w& Z7 @ D8 V! s8 E8 w return;
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/**************************传递数据给extend**************************************/
! f% [! i9 M' z- F pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- o3 M. p/ G( k2 _" e4 e
5 ]+ q8 K& S3 l, i. h s9 p valueStr = SysAllocString((WCHAR *) L"1232");5 y7 I0 }8 u7 m% S2 j' Q: E# y
VariantInit(&pokeVariant[0]); 9 O/ i& b( Q' c+ F2 ]6 \. ^/ D
pokeVariant[0].vt = VT_BSTR;9 D8 M/ v) C) L# h
pokeVariant[0].bstrVal = valueStr;. G* P( D. D& U/ [9 k2 F
$ _! Q) y% c" |+ F! P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 J# U) h: C6 l% H5 p; w/ p
VariantInit(&pokeVariant[1]); & e9 Z7 @, g) ^
pokeVariant[1].vt = VT_BSTR;
5 x0 r$ t* j0 x" ~! ]2 Y pokeVariant[1].bstrVal = itemStr;" R G+ q" ^' Y x
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topicStr = SysAllocString((WCHAR *) L"system");9 Y7 `6 e# v. ?% N- }* x- y4 z, \$ s' c
VariantInit(&pokeVariant[2]);
4 s- D8 t8 |9 x* B1 t* [# \5 Y- D pokeVariant[2].vt = VT_BSTR;
. [& o/ n! W8 ? pokeVariant[2].bstrVal = topicStr;3 H" `3 _7 r' r8 E
' Y) T4 N# P9 N0 \// Set the DISPPARAMS structure that holds the variant.1 m# H) w' E7 g; J; ]
" C; d; Y P$ _2 @$ f% Q I dp.rgvarg = pokeVariant;
( ^1 S. {1 o# t! P# w3 ~5 r2 v; b' s dp.cArgs = 3;
- `, s- l- Y/ ?0 N b1 v: C3 b' r dp.rgdispidNamedArgs = NULL;# |; m& N1 ^+ M3 N
dp.cNamedArgs = 0;) J: K5 S, X# \! c$ z
- E+ C) e4 H5 R1 z2 m: n/ E// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(( V; k: n+ D' z9 r* ~5 R
pokeID,6 W- I& r* M) |6 n( ?1 }4 E0 b
IID_NULL,
6 C# N; y/ D+ F* r( ^' ?: G LOCALE_SYSTEM_DEFAULT,
# z6 _ r& |9 P- W6 q# C& e DISPATCH_METHOD,( F8 A1 b. |' w r1 ]% a" r* G
&dp,
8 Q2 H) `+ X6 P* _- C, A1 a, @ NULL,+ |+ g) P* _- ?4 }7 E7 U
&ei,
6 e* X) |3 t, N4 e1 F4 K0 c &uiErr);. U8 }0 H) G' _1 g
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SysFreeString(topicStr);
! u5 E. P# x `3 Y3 r/ M! \ SysFreeString(itemStr);
' U, T6 k* c3 k6 W- Q; X" } SysFreeString(valueStr);. j# f; B4 e5 @8 R) `* K0 O- i5 N
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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???$ p8 D2 [! N% l# J( e1 e
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
7 q; r% ~! _! M" F9 R2 q8 q// Request a value from Extend) r- M2 f, S" K; z" c
//
$ m! Y9 B5 z# J/ n! x// Initialize the variant that will hold the BSTR. Set the variant's
: P% u6 v$ b% A7 f3 U0 u// type flag to indicate the fact that this variant holds a BSTR. Place the
3 K' t& x$ w" j8 ~' I4 R: |! s) C// BSTR into the variant structure.' u$ {/ Z- W) `. y; _) G
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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! r% b6 r2 [. D* p# C VariantInit(&requestVariant[0]);
; J {1 M# x; I u! r" \ requestVariant[0].vt = VT_BSTR; A3 s6 @4 i, P6 r! M
requestVariant[0].bstrVal = itemStr;/ v& m* t9 `/ E' j5 M0 [! m* ?
3 R9 P9 b6 D4 K4 f/ E topicStr = SysAllocString((WCHAR *) L"system");! n9 `8 |4 c( ~& h* D, ^% U
VariantInit(&requestVariant[1]); ! M3 X* ?1 M' |9 {: }8 n
requestVariant[1].vt = VT_BSTR;" |1 O6 \' E" \0 B% v
requestVariant[1].bstrVal = topicStr;8 Z& t! K3 j9 D* |& }8 H
" R4 \) I$ m u5 s// Set the DISPPARAMS structure that holds the variant.9 [! ^, B- h3 p; _; e
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dp2.rgvarg = requestVariant;
* ^, u! i+ W% n/ {/ k1 b/ [% g dp2.cArgs = 2;
3 h. a3 }: X, T) q/ U, \. j6 T4 z- n dp2.rgdispidNamedArgs = NULL;
& e& j2 Z2 f5 r# y dp2.cNamedArgs = 0;+ q, k, g/ x. `( S4 ]9 v1 V s
% t5 x% u6 l9 M" {8 y var.vt = VT_EMPTY;
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4 t% c8 M; F9 I* ?// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(2 J( L, o& y& H$ G( k
requestID,, C) c6 |; B3 ^" \3 K; T8 a0 O/ Z
IID_NULL,
`4 T7 g* _6 n LOCALE_SYSTEM_DEFAULT,: S# z# h6 s" R0 o$ Y# ?
DISPATCH_METHOD,! ^# k# E& c4 t! h" Y0 v$ B
&dp2,0 u) h; F+ j0 b7 F/ ?7 [1 k
&var,% w$ M# f# x/ z1 i; G. y( ]( y* }
&ei,
, V; ]; c3 ^2 X6 A5 u6 J; ~" v6 Y &uiErr);/ ^' S! k0 w0 n2 L2 Q. o
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SysFreeString(topicStr);4 [" v, _) ^% U, H& W
SysFreeString(itemStr);& W5 G" T6 A& ~7 q! e1 R6 G& d4 f
请问该程序是获得extend里面的哪个值?
/ u. u5 a4 u5 Q2 e/ O7 w1 k4 v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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