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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:7 Q* k- i+ E/ x& X
Name = (WCHAR *) L"Poke";9 u( _5 _% U: l3 i. }
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hr = m_pDisp->GetIDsOfNames (
$ N2 b4 V8 q! \$ z7 L IID_NULL, // reserved
: S! J. I$ X6 e &Name, // Array of names to get IDs for9 o1 ~8 B, P( F1 Z8 K1 X
1, // # of names in the array; `9 F+ X: Z9 g3 E- \2 b) \, e9 T
LOCALE_SYSTEM_DEFAULT, // System locale- X9 D4 u+ T3 K' ^% F
&pokeID); // Array of IDs to fill on output
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if (hr)
, P! |4 F; d, |( Q2 k8 r& r' t0 L* j0 } {
# \" J' @8 u# Q7 Y, @4 Y MessageBox ("Get Poke Unsuccessful");7 b; T# m( b/ ^1 j$ O: U
return; }8 N8 H$ A' d4 n. P. ?7 T( d
}
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" L$ g: [6 E2 Q9 Y/**************************传递数据给extend**************************************/
+ w) p) K1 F, a$ Z+ Q) t3 D1 C( v pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");) I. ]) p0 Y% e! k0 J1 y% d5 Z
VariantInit(&pokeVariant[0]);
, G$ S+ s' f0 }0 L7 s pokeVariant[0].vt = VT_BSTR;
" ~; k+ @0 H1 Q pokeVariant[0].bstrVal = valueStr;
; U* h( z, D$ N/ G9 S+ h0 D P; w `$ k( A( E9 N5 \& {
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: L$ v5 ?; T( s" C
VariantInit(&pokeVariant[1]);
: d. s/ Q) J8 q/ h pokeVariant[1].vt = VT_BSTR;
y7 E4 ?- |- k/ h. C" i pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
' H# ^1 {- o# n! c VariantInit(&pokeVariant[2]);
( G6 c# T' |4 V' ]$ D0 c5 {5 }7 g1 J pokeVariant[2].vt = VT_BSTR;
, ^/ D: u! } `( R* L pokeVariant[2].bstrVal = topicStr;4 z& l- E7 K! L/ V6 |
0 q9 Y% N1 L$ p9 R } }// Set the DISPPARAMS structure that holds the variant.& ?2 k0 _7 \; ]/ x
" z- _5 B/ i5 d6 b# m2 h dp.rgvarg = pokeVariant;
( I: _& x) {( f a5 H dp.cArgs = 3;
! _! F/ B) {' z' N9 P( l dp.rgdispidNamedArgs = NULL;
0 S$ v4 ]1 i* D L% g% } dp.cNamedArgs = 0;
: B; |& w, [0 L
! B" Y' d& ~$ a1 u// Call IDispatch::Invoke()3 y, N8 A1 {8 p# d5 _7 m0 V( s
1 @$ c6 ~; c7 ]3 A/ s W hr = m_pDisp->Invoke(5 ]5 u" t( e& s" \) c
pokeID,
; R+ f. K6 M; J IID_NULL,
# \9 L8 \) P) e6 w- E7 L) K' Z LOCALE_SYSTEM_DEFAULT,& X% z: m" `" ~! `5 ^+ b
DISPATCH_METHOD,1 j, \$ b1 n! ?1 U0 r
&dp,4 x! P3 f3 S0 s. U7 P& a4 o9 ~
NULL,( I; R# x7 S$ V2 S* m% b3 w1 {0 y
&ei," g/ x1 X9 O$ n2 M, s% B1 P4 x3 a$ ~9 W
&uiErr);
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SysFreeString(topicStr);9 n, R8 u! j3 e4 ^: N' d& _+ O
SysFreeString(itemStr);! u* m2 F- f) `
SysFreeString(valueStr); Q; x8 K7 G/ ^& ^$ R$ K8 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???* I! S: \# a. y/ B- X( C; F5 G% ?
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????- {4 T* Q1 H+ c2 o! a
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( W& I" Y* s7 B. P' G, M9 l
2.这是request的程序' W+ l2 ^9 k3 ^9 R2 i. b
// Request a value from Extend
: E7 K0 ~( K7 x, x& f2 v//. e. O+ c- i3 o% [3 ?4 p
// Initialize the variant that will hold the BSTR. Set the variant's5 }6 @: d1 u! b- B; w5 r
// type flag to indicate the fact that this variant holds a BSTR. Place the8 B# ~- T) m9 B9 f& n
// BSTR into the variant structure.
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$ l' \, Y: ^! v7 S requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ k* _/ u: R- v
2 f, V8 R! D) G4 w2 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 z6 K' `. w9 B& y VariantInit(&requestVariant[0]); ( W9 |# j3 b$ s9 J9 b3 ]
requestVariant[0].vt = VT_BSTR;
0 R: C( M" n m! W* |. q; j( J requestVariant[0].bstrVal = itemStr;
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, o+ k' {+ Z* w topicStr = SysAllocString((WCHAR *) L"system");( D' k b3 W; f7 Q
VariantInit(&requestVariant[1]);
) N' e# u$ U5 V$ ] requestVariant[1].vt = VT_BSTR;6 J+ h) w; b* h3 j8 P
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- ^/ n* \* H; R* k- [) I* b" N
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dp2.rgvarg = requestVariant;- K: E, j, H* p- G# C7 y
dp2.cArgs = 2;
- w9 F1 I8 ?0 n# `' M9 q dp2.rgdispidNamedArgs = NULL;
3 V7 t+ u& W" T9 ? dp2.cNamedArgs = 0;3 Q8 R9 A4 s: x7 l9 ~! |
* O( f7 J# u2 [! d" S: _: h/ p0 f) s6 ` var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()( M3 ^* e2 p) |: L1 U1 m6 [/ l8 v. f5 X
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hr = m_pDisp->Invoke(2 v1 _( D) w) z3 d
requestID,4 P7 A' g8 N+ Q/ s' l# I
IID_NULL,% {$ q2 k. }" d& e' ?* N# x
LOCALE_SYSTEM_DEFAULT,+ O, M) q3 {2 Z' W
DISPATCH_METHOD,3 b. \% Q0 k- ]6 q! v! H J0 D, a( F- T3 Y
&dp2,& h! O4 M9 u+ |8 m7 B
&var,
/ Z% K% C7 R/ j9 j/ S6 \ &ei,
6 Y+ \: K x% {% {' R5 m$ T &uiErr);3 h- ?1 X( n8 |8 b
0 I' \, u K) c e
SysFreeString(topicStr);
4 w! l/ H; m5 n# B" a0 } SysFreeString(itemStr);
( [6 [# B% ~% w7 _( f- @( w请问该程序是获得extend里面的哪个值?
& \* s$ l# w4 e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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