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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 H+ U. m2 F r( T8 F$ m8 d+ C
Name = (WCHAR *) L"Poke";
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* h$ i* {& P* [ hr = m_pDisp->GetIDsOfNames (+ l# k% T0 T1 k
IID_NULL, // reserved/ x# B( c9 p( f5 ^% S; s( l
&Name, // Array of names to get IDs for
3 C J- H) }. E, B% r 1, // # of names in the array' d5 z" g4 T5 a% _. }$ e7 y7 b l: |1 o+ G
LOCALE_SYSTEM_DEFAULT, // System locale, U" i! {) z. m# C. Y+ Y
&pokeID); // Array of IDs to fill on output
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3 s7 N g1 Q: h+ }6 s if (hr)
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MessageBox ("Get Poke Unsuccessful");
4 G! \6 B; q% r7 T; V% m' q return;
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& ]% }) E) I8 Z/**************************传递数据给extend**************************************/4 v5 F+ @& k- S! [( p/ M t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);$ P% [/ S# \6 d$ K; A
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valueStr = SysAllocString((WCHAR *) L"1232");
! D) ?: S& j, ?6 |9 \2 m VariantInit(&pokeVariant[0]); ! U/ y( Y! {' O% d
pokeVariant[0].vt = VT_BSTR;. b" f$ J$ J, K
pokeVariant[0].bstrVal = valueStr;: a, n+ z1 v( r2 P/ L# @
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 i% K: Y; H" x6 ? VariantInit(&pokeVariant[1]);
! }+ B) {9 k" E( P pokeVariant[1].vt = VT_BSTR;4 r) W6 k4 {' L$ `( Q7 a! K
pokeVariant[1].bstrVal = itemStr;
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9 M& u$ ]$ z( t4 K topicStr = SysAllocString((WCHAR *) L"system");; t+ j8 `# S9 L
VariantInit(&pokeVariant[2]);
( [% M' x+ r' _0 T; P2 q' g pokeVariant[2].vt = VT_BSTR;+ G9 @0 \2 g) m9 X( J0 V0 ]
pokeVariant[2].bstrVal = topicStr;
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+ w+ Y2 b* |' h/ _// Set the DISPPARAMS structure that holds the variant.
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4 h1 H1 g* \* M% f% K" s dp.rgvarg = pokeVariant;
: k, T% v2 F9 Y1 j dp.cArgs = 3;4 G5 O9 E; ~' \& j6 j: n) W
dp.rgdispidNamedArgs = NULL;- b& h. ]& a; _) t' K3 f! C
dp.cNamedArgs = 0;
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" y* B5 u6 Q3 b$ Y+ g( {% \# Q- l$ K/ S// Call IDispatch::Invoke()
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0 R. W* u0 w3 c hr = m_pDisp->Invoke(4 h9 U+ B1 c9 p% c
pokeID,+ t+ @( B7 S0 H5 \3 D, _
IID_NULL,3 {$ Q, i* f/ i
LOCALE_SYSTEM_DEFAULT,' V: D; j1 P$ M, W
DISPATCH_METHOD,; M& p3 j. A5 j X; y! ?
&dp,
0 h- g |- B( c Y9 { NULL,' z8 F3 l( g5 ?& x
&ei,
$ G# v1 M. s9 B: d" C/ t &uiErr);
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, ]6 T$ P6 f2 {- i, C SysFreeString(topicStr);# y. c9 I' ~8 M& N3 y
SysFreeString(itemStr);
: H. N* a+ G' |1 l SysFreeString(valueStr);
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; ^( S% J; f6 L& h! ]. _! d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???. X# n0 C; O# H: R
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????; r( v$ R' G' c$ E3 f- g5 s
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2 e6 q3 l F3 t4 _; q( I7 x7 U2.这是request的程序
q, U8 V% B" [: X" E4 }// Request a value from Extend
; k% m# W; [. x. ]' X+ u//
" Z8 a8 _5 g# {// Initialize the variant that will hold the BSTR. Set the variant's' ]+ ]4 f2 V5 O; R9 _2 C
// type flag to indicate the fact that this variant holds a BSTR. Place the- I2 X2 k7 s9 x8 f# x# E1 L
// BSTR into the variant structure.
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5 i2 g: m* }; e, \/ W7 Z- I4 {# } requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* W. U O; K, S' c9 B: C, {/ y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 T: h* d" g; K' z
VariantInit(&requestVariant[0]);
1 L2 t; X. X1 U- K- |2 q requestVariant[0].vt = VT_BSTR;6 v, V" c1 |; l; Y7 H
requestVariant[0].bstrVal = itemStr;9 ]1 R3 l5 t- |! p! d; H
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topicStr = SysAllocString((WCHAR *) L"system");
5 F: W2 Q8 w* `( l VariantInit(&requestVariant[1]); O# F3 g& t: y) G4 P9 u- F
requestVariant[1].vt = VT_BSTR;
( p6 g& J3 {# b) Q6 G+ _' A" Q requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- o' d" S, {' H+ A$ S8 Y
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dp2.rgvarg = requestVariant;
5 r3 k2 Z7 \" ?+ l% @& q dp2.cArgs = 2;& }7 _* ~( z/ ~+ z& F) @
dp2.rgdispidNamedArgs = NULL;3 w/ \' N7 i+ i9 g, `1 @: f
dp2.cNamedArgs = 0;
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, o6 }" b0 t; t/ O. J0 z+ {0 V var.vt = VT_EMPTY;9 a) O7 @5 _; a
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* [$ h4 c# C8 d; P
requestID,1 \& d- d: t) T" p
IID_NULL,
1 }& ^/ K* S3 U/ O/ e* R LOCALE_SYSTEM_DEFAULT,
- _5 m a# O9 S, S DISPATCH_METHOD,- g: n6 ~$ P" ?) d, A r
&dp2,) E+ w8 e5 x m7 s
&var,* F4 i5 c, ]. L* @7 x2 g$ ?- Q
&ei,
( T' v6 ?3 t6 S) E5 d* j &uiErr);
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SysFreeString(topicStr);$ c) T# B T! P& T9 w0 B
SysFreeString(itemStr);: ^8 `$ H# b, k* q7 t( F# N+ {
请问该程序是获得extend里面的哪个值?
- U1 }0 p- Y) f& f. Q$ ~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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