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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:
% |# j! H) B. d/ ~Name = (WCHAR *) L"Poke";; E( a7 o- S: A4 n* G% `, w
7 w* q& X& T0 f hr = m_pDisp->GetIDsOfNames (
+ o, H8 {4 W6 B2 R$ \1 e) l( Q6 R% Q IID_NULL, // reserved% Y" d# v( r# a
&Name, // Array of names to get IDs for* H) h4 l; ^& A/ ~6 m- v
1, // # of names in the array
, b* E4 d5 h3 V LOCALE_SYSTEM_DEFAULT, // System locale; I- A3 h$ `& a }2 }/ J
&pokeID); // Array of IDs to fill on output- o% B, J/ ^/ B- K8 H0 t
1 S; @. M5 F& ]- q if (hr)) U2 F# I |0 r% B# N* z
{$ g4 J3 I# [$ V
MessageBox ("Get Poke Unsuccessful");
" n* q! j2 z9 j# I return;
6 N1 Y. {' B( Q }
- ]- o) z% M: K
* [, [/ h d# {1 ]$ c5 M6 }2 ?8 X/**************************传递数据给extend**************************************/
3 D! C8 U9 ]/ B7 i pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: { W+ ^: C6 ]" Y* _
- ]7 n; U8 s! M) \# S' o7 C valueStr = SysAllocString((WCHAR *) L"1232");
7 `( J" O8 \' s [ VariantInit(&pokeVariant[0]);
" p3 ~( X7 O4 Y' M2 I6 [ u4 U pokeVariant[0].vt = VT_BSTR;
: v9 Q+ w# g6 V r4 N! _. s pokeVariant[0].bstrVal = valueStr;, L7 X6 e6 _2 D" J4 E" G
, r2 `0 ^, G5 { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 g( ]) H O6 d- t- C4 P; T
VariantInit(&pokeVariant[1]);
9 T; {4 p, T6 T* y) K: }& N7 I3 b pokeVariant[1].vt = VT_BSTR;
, c6 r1 m9 V0 a* Z) s' I o' B pokeVariant[1].bstrVal = itemStr;
8 h- ?7 p) i' D9 A, Z- j2 ?) C9 E0 G" |* V
topicStr = SysAllocString((WCHAR *) L"system");
0 g/ H. n& D' t# `$ a: f! n VariantInit(&pokeVariant[2]);
: F# S) h4 z0 y- g' S( g( ^ pokeVariant[2].vt = VT_BSTR;8 w0 v& y0 |8 ^* `
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.1 D V5 g6 `6 |3 J+ a; X
9 p- z( |) P% J" ?" |
dp.rgvarg = pokeVariant;2 a- i+ m2 {& b! a
dp.cArgs = 3;# @! S. b$ @0 T2 o/ I
dp.rgdispidNamedArgs = NULL;9 z2 V+ t5 L; `1 _2 n
dp.cNamedArgs = 0;+ ?% S$ A U8 [ X" C
9 h4 j' C$ X* s3 b# ~; A// Call IDispatch::Invoke()* e/ T" T- v4 @5 E8 N& w7 o0 ~
8 {6 B+ ^- M1 J7 j8 Y) F
hr = m_pDisp->Invoke(
! V' s- |% |4 M* _7 c pokeID,8 _& f7 ?/ J: C3 ^
IID_NULL,
% G$ ~2 j; i6 v. @$ d LOCALE_SYSTEM_DEFAULT,
+ V' k9 Y2 b" G# n DISPATCH_METHOD,5 e5 ]* i4 F( o1 b
&dp,
% E' g& P9 H& J- H- ~# O( @( U NULL,) d; E( r) h; V) C8 O+ M
&ei,
: z$ X* ~$ q/ Q/ p &uiErr);/ @% H5 D1 z, `0 ~7 ^5 f+ K% u, s5 _
, i9 r2 V( P$ A/ |
SysFreeString(topicStr);& _. }6 I6 R: c
SysFreeString(itemStr);
8 ^0 a8 ]- N& b6 Y4 | SysFreeString(valueStr);4 B* ^' H) D8 o" ~7 }3 V K* p3 a, d
7 H5 v1 P! }: T# V( H* k: i
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???
! G+ ^; Q0 H* N6 m6 j! c4 k1 J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????3 E5 J4 b7 i) N) ], t3 v5 l9 E
9 n' N& T& `4 [4 A9 V
+ b* b0 G! a6 \% S) j3 v1 J
2.这是request的程序
8 T* f6 j) C8 }' v2 B. D/ \// Request a value from Extend8 b* c/ x8 P% z& b# z w
//
+ {, r u7 t( w( q+ K3 K2 `. _8 D2 P// Initialize the variant that will hold the BSTR. Set the variant's
9 O8 G6 W4 u$ E( V: ?// type flag to indicate the fact that this variant holds a BSTR. Place the
7 R" y, \3 x- I( D8 s, g) C// BSTR into the variant structure.
! _. n7 ]8 f0 G9 T- I
8 q; L! d9 F" P) m8 R1 m' _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);! Z* _! z9 Q4 d
: C9 z, ~& f% l* @3 O! c4 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ z2 {4 W+ p/ j0 ^8 M! h8 d VariantInit(&requestVariant[0]); 0 m r* j$ e- i7 [' U! g
requestVariant[0].vt = VT_BSTR;+ d% ^) }7 i x
requestVariant[0].bstrVal = itemStr;
. z/ ]4 J( E* J: e. f$ h; w: `; Q% f% }9 U- d a: ]+ G0 d
topicStr = SysAllocString((WCHAR *) L"system");
( V# D4 g/ z6 h D# t VariantInit(&requestVariant[1]);
1 B: b$ V0 I- ]! \( P8 B requestVariant[1].vt = VT_BSTR;
! Q. y- p8 x( A q- V requestVariant[1].bstrVal = topicStr;
, H1 K5 w6 j" v
+ s& k7 f5 X2 z: N* D' W. A// Set the DISPPARAMS structure that holds the variant.
" U h0 i: ~' u/ _- p1 n ~5 w2 @, E8 T0 {' e) M/ j/ Z0 f7 k
dp2.rgvarg = requestVariant;& @+ c6 b) P& Z x8 s( T7 D" |" U
dp2.cArgs = 2;5 s8 Z9 p. E2 r: ^/ s
dp2.rgdispidNamedArgs = NULL;
& X4 u6 q) r" P) f) w, D0 X dp2.cNamedArgs = 0; E& k, O3 [$ K U' K1 @
/ ^% y0 ?2 k' p1 Z9 J; E' H- I$ A var.vt = VT_EMPTY;
! {2 |; M. X- o+ Q5 V4 Q6 F" _4 p# h1 K
// Call IDispatch::Invoke()
5 F: K1 U( M' P
8 S! Z C. M( ]1 R9 n8 N) ? hr = m_pDisp->Invoke($ B% i) x: L& h6 y
requestID,* m! _$ J: E3 L4 t6 Z& y& k
IID_NULL,; t7 @7 s i2 i' G3 R
LOCALE_SYSTEM_DEFAULT,
* Q& N1 d0 K# ~. M7 g DISPATCH_METHOD,! ~/ W' |' S1 a* o: I2 m H) K
&dp2,- A% V X- `$ S, u5 C6 b/ {8 S$ S
&var,! C$ D% s" x& g" T K k4 h
&ei,
" q5 }: B% J$ D &uiErr);
u. c l& T5 [; S; W) S$ X& w5 D+ Y2 y7 C8 z; n# A6 G
SysFreeString(topicStr);& R0 ^* {( S1 a. u& l: O5 ^
SysFreeString(itemStr);
$ r0 B, ?2 V: ^请问该程序是获得extend里面的哪个值?
& P4 _( _2 |5 N5 v; ?3 @& 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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