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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 Y) k4 X6 b: l! ^: e# uName = (WCHAR *) L"Poke";: s0 Q' f% H5 [6 x
( _+ x$ Q+ w( W7 w& H) e hr = m_pDisp->GetIDsOfNames ($ |0 F) J% U9 K0 o2 T3 K* w
IID_NULL, // reserved
8 x6 Z/ l2 L% P4 n! M &Name, // Array of names to get IDs for6 |: Q; D+ p1 V5 h# N: w
1, // # of names in the array
2 i# Y' _* S* O# v LOCALE_SYSTEM_DEFAULT, // System locale0 |* c' Q' b; s! i* W) e! N; l5 x
&pokeID); // Array of IDs to fill on output1 @ Y& `& ]5 z( S( K% Q
% C% w9 o1 x2 Z' T, v$ l6 y# b! r
if (hr)/ ^7 H4 Y j3 j. B: u# l
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MessageBox ("Get Poke Unsuccessful");
9 }2 a. V# t) O. c' Z; o( s1 i2 W! Q return;/ s; E) a+ m0 q
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. B! E" N) _ W: B7 q) [/**************************传递数据给extend**************************************/
! D0 H4 s1 i9 G5 W pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& m6 a9 u% w2 C' C& t7 G' X) m
& P# W" T2 t. R2 s! K( J4 ^& g6 W valueStr = SysAllocString((WCHAR *) L"1232");, Q. O& a0 G/ `+ Y) k& X9 U
VariantInit(&pokeVariant[0]); ' }3 [$ H" B) O# `0 F" ?0 k% ?
pokeVariant[0].vt = VT_BSTR;
- o, m2 c6 Z: ~8 i) A6 s pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; s1 O0 Y6 t) C5 G* m, i7 i VariantInit(&pokeVariant[1]);
9 w) ?- n* J9 [: d7 a/ _* O pokeVariant[1].vt = VT_BSTR;
& T( M& d9 S" U2 |2 Z pokeVariant[1].bstrVal = itemStr;( J% J1 X) B$ q4 E" U) [0 y* k
" @* W; J# b) k; I topicStr = SysAllocString((WCHAR *) L"system");
. W% ~. \& @, Y VariantInit(&pokeVariant[2]);
" ]% [2 P/ g( o: _/ y3 E pokeVariant[2].vt = VT_BSTR;
) k( b+ [( l) v8 A- R pokeVariant[2].bstrVal = topicStr;
' F' S: H8 O q
& H4 f& d# u4 g$ y// Set the DISPPARAMS structure that holds the variant.
2 m5 C1 F8 C$ s0 _
# v' |1 ?$ P0 e+ t$ _( y) _ dp.rgvarg = pokeVariant;
0 p) J) U1 t9 ^/ p! D1 F dp.cArgs = 3;
' H; N4 f4 f+ `7 a$ k& K dp.rgdispidNamedArgs = NULL;
3 w+ g, W5 U2 w, g dp.cNamedArgs = 0;
# A* v. b2 Z, T- L# y9 T0 J& z9 k4 _( C' s3 |
// Call IDispatch::Invoke()7 e; |0 Y' g& ~$ t' R; O
0 v* i* |; C0 s' V( n3 c0 m) g) M hr = m_pDisp->Invoke(
5 V7 `# }8 a6 A+ Q4 U/ P6 i* ~# o pokeID,* K- B1 Q" a! @* U Y) G
IID_NULL,, D, R2 s2 S/ G3 b2 V2 Y. R& }3 B
LOCALE_SYSTEM_DEFAULT,
) B# q1 V( i9 u% b DISPATCH_METHOD,
/ z& b& H* i2 N* Z &dp,
' n8 ~- ^2 x1 H2 U NULL,% B8 u5 ~) }2 Q% W4 [7 I
&ei,
( S6 w0 X+ y1 |: q5 ]2 R3 m) J &uiErr);+ s! r( S# D9 P5 b8 ~& n( C
: ]* k8 n# f/ m; G$ V6 t/ a SysFreeString(topicStr);/ k: \; T* F) V% j3 n5 X6 q
SysFreeString(itemStr);5 J# ?' p9 h# Z8 h6 r
SysFreeString(valueStr);
+ l" t- u7 @( g" Y+ }' m) b4 q7 S: T
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???6 U7 y8 T8 S3 U2 N
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 Y$ U B# n, C' Y3 ~- j1 K
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2.这是request的程序
7 D) d+ A* o E& F4 _1 V// Request a value from Extend0 x$ t% ]; J0 e3 L
/// D$ q4 h. T2 O$ t1 a' v! u+ q
// Initialize the variant that will hold the BSTR. Set the variant's
b( _7 B1 e& L; q// type flag to indicate the fact that this variant holds a BSTR. Place the( c. [/ _, H3 ?! g c' R* w2 d' f
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
! d5 a% [! i% D. d
2 p# y6 c" h) M8 n& j( w: @ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 u! j. r4 _+ j
VariantInit(&requestVariant[0]);
0 I0 K& e8 l& A1 e. Q' s2 R' E requestVariant[0].vt = VT_BSTR;
# h8 Y$ A1 }) g r1 H% r1 _ requestVariant[0].bstrVal = itemStr;$ |, s9 p* F) ]" z0 Q) `9 B
) V+ W1 R! k% A% y
topicStr = SysAllocString((WCHAR *) L"system");( G b7 n+ T1 j6 M1 ~
VariantInit(&requestVariant[1]);
6 h% q# G1 [2 l requestVariant[1].vt = VT_BSTR;
: p4 T2 }$ W# A requestVariant[1].bstrVal = topicStr;
# l8 Q: w; X4 s5 p
, W6 @/ W; X' `; J2 l// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
1 r( N3 ]! Q) H7 z0 l. H) N dp2.cArgs = 2;3 {7 |1 C' j# k+ H' ]
dp2.rgdispidNamedArgs = NULL;& }! j" m, q1 B$ t3 F7 D p1 b4 D
dp2.cNamedArgs = 0;
* w! H2 i+ k: E4 m7 |" r* ]* E; T5 T, j
9 b! o$ X2 Z( `/ b2 T8 X' Q var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(), c) `1 m( G9 [$ g
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hr = m_pDisp->Invoke(
+ B' m) |' m' v8 z* m, J6 M5 z% v6 n requestID,
3 n9 x l: V( V IID_NULL,
5 n: W1 `9 ^- k' {. N' C& L LOCALE_SYSTEM_DEFAULT,0 O) S, s+ v- E
DISPATCH_METHOD,
4 S, s; O3 n6 `* j+ _0 ^( N h &dp2,, \' K4 h! X) b T5 O& q
&var,
& N8 r1 f( M D2 C- i3 e4 ^: n &ei,: h0 x, l) h+ I4 F
&uiErr);! s3 O5 x; e0 l$ P/ m4 z+ y
% A) [1 C4 y* t% d/ v1 D
SysFreeString(topicStr);, D5 C$ L7 u& U0 E, b6 O1 B6 v
SysFreeString(itemStr);
6 C5 y% R0 r0 M0 Q4 y请问该程序是获得extend里面的哪个值?
4 h2 d7 F; h$ p% _( g9 h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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