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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:1 }+ Y; E8 }, R6 m( |5 ?
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
Z2 ], Z* h- l- T% T5 G IID_NULL, // reserved
) t7 W& w& w) x* ]2 F, A0 R &Name, // Array of names to get IDs for
1 Y4 W0 I4 ~) o: ~9 t1 J 1, // # of names in the array; v: w" Q* @4 B* a# h4 N
LOCALE_SYSTEM_DEFAULT, // System locale
; f, Q! e* r" ~: I &pokeID); // Array of IDs to fill on output
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# M) v7 \, q9 P( K- h if (hr)8 O$ R) X2 Q0 ~ A$ S
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MessageBox ("Get Poke Unsuccessful");
2 C8 W/ @9 }) K) Y return;! y. O3 a6 z6 S2 C+ \- D
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/**************************传递数据给extend**************************************/9 y" n) v. o8 ^- h5 n$ L/ n
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
0 T [1 Y, m9 S$ A9 ^; p# k VariantInit(&pokeVariant[0]); # {$ ~. g+ f$ `
pokeVariant[0].vt = VT_BSTR;) _' R2 I% E. O( F! y
pokeVariant[0].bstrVal = valueStr; L4 Z- P1 b0 A+ z: K2 j' h& H! T7 P. J
# ^% m+ b7 K7 S5 X y0 N
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 K+ ^5 } p2 b l' H9 N VariantInit(&pokeVariant[1]);
5 W, N1 r. v5 a pokeVariant[1].vt = VT_BSTR;& V* I0 p( m3 C! G" K/ K$ n
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
1 o6 f' x# p" C1 P7 V$ u VariantInit(&pokeVariant[2]); $ P. U6 Y4 j) s3 Z0 N
pokeVariant[2].vt = VT_BSTR;
1 Y: O) E, i d3 I% p pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. b0 f( w) q* T
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dp.rgvarg = pokeVariant;- {) q2 E. y* B
dp.cArgs = 3;- o1 [) P$ w% a
dp.rgdispidNamedArgs = NULL;/ p5 A7 D" T. W. F
dp.cNamedArgs = 0;9 O0 d9 Y; p1 P0 t
' U/ @$ |7 G. c" K+ [# K// Call IDispatch::Invoke()
# O4 |3 m9 a% m, H1 f: t* Z. p6 F% z' {
hr = m_pDisp->Invoke(
C7 V9 E- s( |3 R" Q( P pokeID,
+ ?2 L" \" {' ~% y% Y- }! n: h! e7 g IID_NULL,, y8 d) i- T! `' }+ M% [- n6 F: }
LOCALE_SYSTEM_DEFAULT,( c+ c5 W3 ^: ~; s( m0 J' k, _& m
DISPATCH_METHOD,+ v& F$ h7 `7 u2 A+ R, `7 G1 k
&dp,
z; l$ X8 K& M. z" w NULL,: s1 @! T# n1 {
&ei,- b5 e: c) S1 t% _, |
&uiErr);
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SysFreeString(topicStr);
' ~8 u, n( c2 Y; i9 c4 H1 f/ b SysFreeString(itemStr);
6 ]3 A6 R! k E1 A$ U8 c C SysFreeString(valueStr);' B6 U# G4 q+ P- F
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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???
2 I6 T4 ?/ G L$ ]$ q* A9 i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7 n+ }$ E8 |/ E0 w, u o% W
// Request a value from Extend# M4 _- o( }2 G. \
//6 c4 Q6 V4 S0 W9 I( i2 o/ z! H( A$ y
// Initialize the variant that will hold the BSTR. Set the variant's( r6 K+ g2 _ Q# s* S
// type flag to indicate the fact that this variant holds a BSTR. Place the4 |, \+ E0 ?6 E9 S& \: U* e
// BSTR into the variant structure.) j9 K: b6 p- S3 Z8 T, Q# S
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 O! a7 ^$ F. H; H
% O0 E' R( n4 q: { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, Q# i @( K1 H W K3 `
VariantInit(&requestVariant[0]);
1 \, L2 A" u5 r! ] requestVariant[0].vt = VT_BSTR;
E- K0 o' g6 w6 K( @3 I8 E requestVariant[0].bstrVal = itemStr;, }. X% ~+ A/ `* E
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topicStr = SysAllocString((WCHAR *) L"system");
0 G/ B0 X5 v( s VariantInit(&requestVariant[1]); 2 Z" x! c7 j, I V' ^# y9 _
requestVariant[1].vt = VT_BSTR;
) Z! `. B& G! @: w4 D4 L requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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7 o! a1 e* u3 b+ W dp2.rgvarg = requestVariant;! I+ W8 }( Z/ P
dp2.cArgs = 2;& @6 w5 i) Z2 C3 _2 r' e
dp2.rgdispidNamedArgs = NULL;
% E+ X! D0 j) E" C$ E* l+ Z dp2.cNamedArgs = 0;* Z& H# T7 S! }
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var.vt = VT_EMPTY;
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1 O n3 I/ g: l// Call IDispatch::Invoke()( g8 c) \! f! `/ a& [( A
+ @& n, L) E; F. Z$ e9 S- f5 H4 K hr = m_pDisp->Invoke(
( k- k; t @) ^& I' b requestID,) d$ d# P3 Q" {" a* r
IID_NULL,
# r' S2 g C# H6 }5 `# b2 n6 M9 c LOCALE_SYSTEM_DEFAULT,
8 `" Q `4 D# u+ v DISPATCH_METHOD,8 F: p8 Y$ s( d% v) c6 s
&dp2,- G6 A8 G' q6 t) s! \$ E6 o0 y
&var,* J1 B& T1 K8 a- [( R2 S
&ei,
* h0 j3 { ~4 a9 T2 ^: ^5 V &uiErr);
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# [6 c/ ]( E- O+ X" j1 \ SysFreeString(topicStr);
7 l. y- M5 g+ [" W1 G SysFreeString(itemStr);
" s$ g$ X Y) X' F' T2 p a请问该程序是获得extend里面的哪个值?
/ T6 X' ~& u; B3 N1 U' ]7 v/ j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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