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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:
% h% v5 O% B& w/ d; dName = (WCHAR *) L"Poke";- b& ?& t" g9 y; K: E1 Y6 I* a
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hr = m_pDisp->GetIDsOfNames (* M+ t7 v5 W3 L" [/ X
IID_NULL, // reserved
7 _8 O4 k3 Q/ p3 W" Q/ H3 S &Name, // Array of names to get IDs for
2 a# D* _! E4 j& ~7 I) z( f 1, // # of names in the array: |8 `$ y; `7 |( t6 l+ _0 F9 y) [
LOCALE_SYSTEM_DEFAULT, // System locale' t4 x% N+ `! e% V' n( ]! E
&pokeID); // Array of IDs to fill on output
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if (hr): F) z. R3 I# p- h* D* {' _
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MessageBox ("Get Poke Unsuccessful");
$ K/ l& n8 Q3 f2 S8 [" k+ s7 [! [3 ` return;0 z/ E' O, j5 r9 ?
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8 i0 H# F7 s; o2 D, [. G/**************************传递数据给extend**************************************/
' i9 L m2 ~! x$ ]+ h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. W! k4 J; l. F8 n( y+ S
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valueStr = SysAllocString((WCHAR *) L"1232");
: `8 K* d, c) Q- M4 i VariantInit(&pokeVariant[0]);
- X+ _% j! o' k4 b3 R. \# y pokeVariant[0].vt = VT_BSTR;
) N7 p" y( }: C7 d* F pokeVariant[0].bstrVal = valueStr;
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0 ?% {5 Z* q7 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; }+ P1 y5 F1 q( H
VariantInit(&pokeVariant[1]); ) C- v& b" M. D
pokeVariant[1].vt = VT_BSTR;
" }) C1 g0 P0 C" B G3 o# N* n pokeVariant[1].bstrVal = itemStr;% R/ Y2 T+ e+ {, u: ^
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topicStr = SysAllocString((WCHAR *) L"system");
9 } z' C' X$ U) h3 \ VariantInit(&pokeVariant[2]); 0 T5 r& g) h# l+ S2 \& k
pokeVariant[2].vt = VT_BSTR;
$ o% U, F0 |# c; D3 \, e0 G& U+ b ~ pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.- w* M4 t& k& k* }
6 |/ d8 E' f& q$ v0 P6 r dp.rgvarg = pokeVariant;
; J5 B2 R2 f! f; y; b* ^6 J dp.cArgs = 3;/ l9 L/ Q' v5 p, p- z T& R
dp.rgdispidNamedArgs = NULL;
+ X& k- L! [& g% v0 H dp.cNamedArgs = 0;$ U4 |7 Z# p. Z3 n9 R
4 Q; m7 m) O! m7 b4 {8 O- I
// Call IDispatch::Invoke()+ o. Q! Z8 y" e) R( o5 W
4 I) L/ |# o$ g% `. u8 U/ I hr = m_pDisp->Invoke(" u$ h5 Y3 K; A6 u i
pokeID," L2 Y2 [% I6 n y
IID_NULL,
( I1 A( c! }) d, p* O LOCALE_SYSTEM_DEFAULT,$ \$ k% h& E4 l; T# `
DISPATCH_METHOD,
4 `' x0 F' R3 D0 `/ h1 Q c: r &dp,
5 {, ?4 w* U+ J8 _ NULL,* I( K0 K" ]6 o, S
&ei,
6 i; L. n4 P9 h0 |# q &uiErr);0 j# [% e& s6 u
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SysFreeString(topicStr);
& ]/ b6 u- J4 z3 `' P SysFreeString(itemStr);
' R$ Q; }+ Y4 Z, b" ~ SysFreeString(valueStr);
. S% z* g6 Z% V& z, Q0 @, u2 q$ t0 f( ^& o, a$ g' S! I
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 `, F4 c1 E0 A3 Y+ O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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: {% R* w2 d; N; y2.这是request的程序
/ s- q: |5 X+ Q" n9 q% @// Request a value from Extend- z& w% C! j& z- C
//
; Y; `1 z9 z) c6 _( i4 N// Initialize the variant that will hold the BSTR. Set the variant's: n7 I1 b: R$ a
// type flag to indicate the fact that this variant holds a BSTR. Place the
" M# s( Q8 E% q: ~4 S P9 q// BSTR into the variant structure.1 e ^) z% C5 r6 M* u4 @, z
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); _2 r; w- [- }! n) V
! c/ ^+ f& a! t3 @/ x0 E2 T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( V/ e# O" Q! }, i q( L VariantInit(&requestVariant[0]);
* F. n! ~1 ?4 T3 Y requestVariant[0].vt = VT_BSTR;
2 E1 E* w: |8 a9 w0 x) ^! v- b requestVariant[0].bstrVal = itemStr;4 ~# t( F1 a, e; i1 e
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topicStr = SysAllocString((WCHAR *) L"system");
7 n" n3 v: Q* F, ]" d! r VariantInit(&requestVariant[1]);
2 j, e- f, {7 }! f+ C' s/ C$ S requestVariant[1].vt = VT_BSTR;
: l: Y3 W4 L+ n# G2 M+ n' T requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant." f' u3 I" z6 q: `0 t
) S& i' {, t/ V0 _- p dp2.rgvarg = requestVariant;9 P) h; C# j* P, \- L; w3 n* ^! ^
dp2.cArgs = 2;
4 W4 |* c0 F2 j. I6 X7 b; ? dp2.rgdispidNamedArgs = NULL;, V9 { V* ^( @+ x) b, b; _1 I
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;1 R: n$ }+ w4 |5 e. i
0 X( Z0 O) g \// Call IDispatch::Invoke(): }' V5 @. ?) C$ X$ @) x3 S
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hr = m_pDisp->Invoke(4 b' s) f$ c; X
requestID,/ Z: h4 V" i; o1 N, K; y Y; X7 F
IID_NULL,
7 E G& |7 U3 }2 S4 q2 V LOCALE_SYSTEM_DEFAULT,
+ m8 m& z' q0 U2 D+ N6 [ DISPATCH_METHOD,
& b7 I! ^% r7 T; ~ &dp2,
. k! Y$ `6 }; Q* \, Q, W! D &var,- `! m! ^& J+ P) k
&ei,
- D" c' y$ r1 q( S &uiErr);
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2 i8 e1 P, @3 g" Y( J9 s) ^) ? SysFreeString(topicStr);( x7 G# j5 p s6 I" ~! g$ n- a
SysFreeString(itemStr);# m& D5 I$ a( O4 R- M7 Y
请问该程序是获得extend里面的哪个值?
& j$ a6 I5 n2 d1 s0 |6 [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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