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 K+ O, _) U& K
Name = (WCHAR *) L"Poke";5 t1 ^# ?, I) K& B. R
( {0 b" M! u5 O( g M$ V1 Z hr = m_pDisp->GetIDsOfNames (
6 w0 L, o- A5 k8 I$ i/ g) v- \" c0 f IID_NULL, // reserved+ d! c. c2 O2 Z; F+ ?1 ~" r2 Q8 S
&Name, // Array of names to get IDs for
' l0 r+ ^" m1 y7 r0 X 1, // # of names in the array% R* a7 Z6 g) b; S" }# k. D
LOCALE_SYSTEM_DEFAULT, // System locale
5 x1 ^( F N& R: _: N1 i7 R &pokeID); // Array of IDs to fill on output2 k Y! s: Y: @5 c$ L5 Y5 c
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
) a: Z% l; N5 S9 b7 y2 Q5 ^! c return;
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: r1 B0 i9 ]* i# s /**************************传递数据给extend**************************************/% Z0 @' j4 f" y) q
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 n/ i! o8 v& ?
; o! P/ O/ a/ B; U" L% C0 U3 B valueStr = SysAllocString((WCHAR *) L"1232");* p; P) G* z. P& H( g) q; E
VariantInit(&pokeVariant[0]); 0 v4 ?/ Z: R9 b8 t+ [% [2 l
pokeVariant[0].vt = VT_BSTR;( y% _) r P/ |0 u2 n) M
pokeVariant[0].bstrVal = valueStr;
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6 z5 Z; a9 |1 H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! V% p; `8 v8 Y$ x1 G VariantInit(&pokeVariant[1]);
1 D3 ?" ^* K, a$ d# I pokeVariant[1].vt = VT_BSTR;
3 t: w- p* Z* E+ l: i6 m2 \ pokeVariant[1].bstrVal = itemStr;
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0 Z& G. l. {! m9 P; } topicStr = SysAllocString((WCHAR *) L"system");
% l; a- ^0 l4 f& k9 \7 ] VariantInit(&pokeVariant[2]);
% Z$ @( a0 P3 @# @ pokeVariant[2].vt = VT_BSTR;
I* A# s$ v- `0 t& Z pokeVariant[2].bstrVal = topicStr;
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3 Y( E/ O N9 `( }& a // Set the DISPPARAMS structure that holds the variant.$ S* J" X% F, [; J0 R
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dp.rgvarg = pokeVariant;
& L3 ~/ Z9 a' t9 b dp.cArgs = 3;
: {3 V' _$ y8 g7 @* a8 J; H4 g; n dp.rgdispidNamedArgs = NULL;3 |* n; h0 a1 d0 T" c0 E
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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: J: I* q& h7 @7 B' w& G hr = m_pDisp->Invoke(9 ?# N( V: V9 T. \7 W0 M9 A" j
pokeID,
4 k3 a5 y/ q% z& c! V w1 |; j% F, Q5 Y IID_NULL,
& O- u" e% t9 _ I1 E% D# ]. G LOCALE_SYSTEM_DEFAULT,7 r' `* p2 C6 M
DISPATCH_METHOD,7 k2 _3 [- C0 y% f. q
&dp,
2 B; j( @- Q! w) w! z2 V8 ^ NULL,* g! \$ F# I: J( L. b; I
&ei,1 b' F* C' r1 B: C7 v. m% C5 l; h/ D
&uiErr);% n& m2 F$ u, R, z( P
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SysFreeString(topicStr);
- ^* S6 i& }: \4 D/ _2 w# b SysFreeString(itemStr);
* Q: J& [0 e& H/ t6 T4 ?6 D; ` SysFreeString(valueStr);8 ^/ T P' |( L2 E: ]
% @; }# N+ L9 N8 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???6 r. J9 p3 }% l# C
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????
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2.这是request的程序' g9 p; o& C/ u% L Y
// Request a value from Extend
9 m3 O8 j7 p; F; k E; @ //
/ l* N% k+ @7 A4 u( U( l // Initialize the variant that will hold the BSTR. Set the variant's
! j+ `2 Z0 ^( Z5 D& e$ G! j3 w // type flag to indicate the fact that this variant holds a BSTR. Place the9 r X0 E+ H( {# |
// BSTR into the variant structure.; r" }" e5 B( b: b3 H
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) Q0 `9 u+ |4 j
: E+ P. Y) {' B& E3 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. M% C. |! Y+ e; R. X [
VariantInit(&requestVariant[0]);
# g0 b) C% I. O requestVariant[0].vt = VT_BSTR;
; g( z% s0 W* v. D9 M requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");$ q- U* Q) [9 x4 w4 y- P/ y! O& G2 w
VariantInit(&requestVariant[1]);
. J w, U6 \; z) o requestVariant[1].vt = VT_BSTR;
3 d; k, f. h' n requestVariant[1].bstrVal = topicStr;( s; K: A3 {2 v/ ?7 q. t1 a
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// Set the DISPPARAMS structure that holds the variant.' |4 v4 w: s" A- v5 { N
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dp2.rgvarg = requestVariant;4 P) W- E% p0 @7 P- \
dp2.cArgs = 2;; r) F5 R' F& |3 O- z5 H. w
dp2.rgdispidNamedArgs = NULL;$ t4 Y0 H' O5 H$ s4 w: f' \4 B
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;/ V/ t: X* v0 E: P
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// Call IDispatch::Invoke()' Y, p. L4 A3 ~0 J5 M! j$ i
! }( o, l# E1 N& |$ q hr = m_pDisp->Invoke( R5 v1 i7 d, _2 P0 }# A2 `
requestID,9 E( T+ z K5 ~6 ]( w
IID_NULL,7 {/ D& F7 @( B; G; z
LOCALE_SYSTEM_DEFAULT,5 K% D2 M% e" v- ^0 @2 y/ n0 K
DISPATCH_METHOD,* ~( H6 O- ~+ P9 N- a4 t
&dp2,
9 Z, e9 p& |5 v. x &var,# Y' J/ Y! O* D
&ei,+ z1 l$ U" L8 B1 e4 j5 B9 e
&uiErr);7 c% q( l9 b- ^9 f5 J7 U9 C
# j" h5 \- K; x6 Y6 K/ } SysFreeString(topicStr);
) z! i1 V: s4 @ SysFreeString(itemStr);( |2 m# Q2 b. S5 v5 \
请问该程序是获得extend里面的哪个值?8 Q( n6 Y: N+ c! q' b, i" c3 j% F
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????
我来回答