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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:# I i: O8 ?# u% I
Name = (WCHAR *) L"Poke";8 T9 X2 l. S3 z9 R, r/ }
7 v4 F P: e& I& X# \ hr = m_pDisp->GetIDsOfNames (
; G4 O$ f3 {+ B; U1 N% c8 w7 F IID_NULL, // reserved: i: k1 l( q: X8 l. y3 }
&Name, // Array of names to get IDs for& D7 r* m5 K: T/ m& c @
1, // # of names in the array
. n) I( J) J/ r0 d+ u( | LOCALE_SYSTEM_DEFAULT, // System locale! M/ a0 |) A% d/ ^6 l
&pokeID); // Array of IDs to fill on output% h2 s5 j6 [8 f: m
/ W" b8 `- ?( w9 Y5 A; r" i) K if (hr)* c D* B; ?* M+ [! U8 D0 ?, b9 G
{: k) z: D% q, v6 L( J- A& ~
MessageBox ("Get Poke Unsuccessful");
0 s) G2 O9 j, y4 @0 K) Z return;, p: E2 W, m2 [( X4 E
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, G8 h# q* r0 h+ d5 N J; q
/**************************传递数据给extend**************************************/# d$ Z$ n: _0 s
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
- J- s8 ^. C0 g% u" _
& j! g; b3 |! s1 P valueStr = SysAllocString((WCHAR *) L"1232");
4 |% J. a2 ^2 b' n5 Q. x7 t9 s VariantInit(&pokeVariant[0]);
: \% i7 V+ Y0 `0 y% n; l pokeVariant[0].vt = VT_BSTR;
/ ]% [/ h( z# ?8 V pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( J3 B! W9 s4 X5 y, k; Z0 ~ VariantInit(&pokeVariant[1]);
2 e* P) T' r7 j& ? pokeVariant[1].vt = VT_BSTR;
, e% W2 S) X4 u, r- T pokeVariant[1].bstrVal = itemStr;3 S% I/ X* M: M0 h* Z
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topicStr = SysAllocString((WCHAR *) L"system");% a3 b: V; B5 j' N
VariantInit(&pokeVariant[2]);
* O1 E9 F% Q3 ?) q pokeVariant[2].vt = VT_BSTR;6 u# Q: K. d% l% g6 V
pokeVariant[2].bstrVal = topicStr;$ v0 _- \6 s( l. x9 v
' G. ]( I8 V. E: d// Set the DISPPARAMS structure that holds the variant.) n0 I$ r( h7 }! t. j5 \9 P
/ I! n+ o8 O3 w# Q0 J& }$ j9 [8 D dp.rgvarg = pokeVariant;' u, @# w& H' G( ]+ Q
dp.cArgs = 3;
& f3 j1 f r* E; u1 S9 e dp.rgdispidNamedArgs = NULL;" Q( G- L/ L( p( _6 a$ F; ?0 M
dp.cNamedArgs = 0;
$ g v0 m6 f: t2 O4 g% \
6 A9 a; Y: e, t# `// Call IDispatch::Invoke()8 [0 q& s' x) ^, b
( l) c1 c. Z; V8 o( E! b- O+ U hr = m_pDisp->Invoke(
" J# e3 E; q5 S# W& Q pokeID,- E: B& H$ I" d r* f: x$ ~2 a. L9 ^
IID_NULL,- `2 w1 g t, q' X# R
LOCALE_SYSTEM_DEFAULT,
N* P+ h0 l# V- g DISPATCH_METHOD,3 C0 \, n" r& E* }; E
&dp,
1 K* U7 `- C. W, L, {4 u NULL,
5 v0 P; J& {& ^ &ei,6 c) B6 m+ Y" j# ~
&uiErr);$ z9 {- L# N6 R V; D- o3 S( Y8 ~
# u3 @ ~) Q3 q0 L0 N2 y: r q SysFreeString(topicStr);3 k E8 D) H3 {& d- k
SysFreeString(itemStr);
# d1 P6 `% \5 M1 ]" {; a) z! a SysFreeString(valueStr);2 ]3 ]# L1 I2 u7 ~" C6 [ F
3 ~( u% G( F9 g# x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???* K* b: _" [& S+ D. A
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????
7 G! u9 I) }2 q3 w! r2 U& k1 }# I0 [2 E5 q% M' [& N1 E
9 j$ O, f: |4 _2.这是request的程序
7 U) y( y( o+ v4 b# R5 s// Request a value from Extend
W3 L( D7 R2 `; w' w//3 T0 c0 Q, V8 i7 X5 n
// Initialize the variant that will hold the BSTR. Set the variant's, \8 {/ K" g" _4 r! U& u
// type flag to indicate the fact that this variant holds a BSTR. Place the
: t5 I6 E5 I* |7 J) J// BSTR into the variant structure.
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3 w# f1 |* R; e; }4 Z! w6 J" J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ }! r. l( X* i8 n& \& K
7 P& h* S% k; D+ d0 J1 Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" X7 O- m# c4 c VariantInit(&requestVariant[0]); 3 [& x+ G" H' |) t2 h
requestVariant[0].vt = VT_BSTR;
- c4 `# o( R! H5 S8 a# ^ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- u( W: S" @" C7 R$ Y# q VariantInit(&requestVariant[1]); ) z, `2 E8 P1 y& ?7 b
requestVariant[1].vt = VT_BSTR;
# o9 H7 \6 b. Y requestVariant[1].bstrVal = topicStr;
2 P0 c; G3 c( H# P# y
" D1 q3 |' Q2 q' v; e// Set the DISPPARAMS structure that holds the variant.
2 m2 h* H- r4 u9 v6 \6 n+ |0 g) W3 S9 M, A4 h5 f
dp2.rgvarg = requestVariant;: O8 Y7 z$ i& F
dp2.cArgs = 2;) ~1 P Y! H& V9 l9 S6 g
dp2.rgdispidNamedArgs = NULL;( U; T( P( ?! y! l% @; R* t2 I
dp2.cNamedArgs = 0;
0 ~7 O4 I8 u+ a" n; ~' k* g. @) B! F W+ X& L. o5 B$ W
var.vt = VT_EMPTY;
% i5 ~1 j8 S Q1 @: `- j" W7 T: b
; I: |, u, Q3 q! H: P7 f// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
- ?; @7 Q e& q6 l/ R% f# o requestID,. ^9 l2 ~) k% @! [
IID_NULL,
0 v; }9 m2 R5 w5 s; t, w- J LOCALE_SYSTEM_DEFAULT,5 j, `8 k4 r; R: i
DISPATCH_METHOD,
; d: J( B, y! X &dp2,2 @8 X* @8 B4 O' z6 e2 h# q
&var,
6 k9 I; ~0 Q& ^7 j& l7 D% K/ G &ei,
( L: _7 W/ ~* Y+ }' g &uiErr);
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SysFreeString(topicStr);
F: b: Y% h% H0 h6 m% s SysFreeString(itemStr);
! T* u5 [1 s# s请问该程序是获得extend里面的哪个值?* }2 p( T" X, w; ~. L5 t
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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