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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:) J& \. g% i) w/ m( r0 w
Name = (WCHAR *) L"Poke";* @/ \; {6 g+ Q" ~. o% [4 R
: I) o1 U' L& m, ]: ^. H hr = m_pDisp->GetIDsOfNames (- z$ O* S9 @) c( C
IID_NULL, // reserved6 |3 s2 X. k- ]/ n) q
&Name, // Array of names to get IDs for( a3 Q* Z) J9 j6 t' _1 W
1, // # of names in the array
( z/ s# u) D% Y5 H" e) f/ z& T LOCALE_SYSTEM_DEFAULT, // System locale% D* ^' X, { x
&pokeID); // Array of IDs to fill on output
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1 j% W: `% S" E% P if (hr)2 v8 ?. b2 O. c4 `" S' M8 v0 G+ B
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MessageBox ("Get Poke Unsuccessful");2 f+ ~0 n2 _- K# P$ P2 p0 T7 a5 z2 w
return;" S+ W4 Q9 ~ U* G
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1 e/ G$ C5 n/ ]7 B/**************************传递数据给extend**************************************/" _9 v7 ^9 a" I( n5 g
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");3 ]; ? A# o1 ?! t7 F, i
VariantInit(&pokeVariant[0]); / L+ c/ Y( ^7 Y
pokeVariant[0].vt = VT_BSTR; i6 T! u. w% e, M9 q
pokeVariant[0].bstrVal = valueStr;
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4 k# ] Z9 u% t' k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 ?( M$ [- ^% {1 F VariantInit(&pokeVariant[1]); % Z6 l: ^' F1 U2 b2 d$ O' c
pokeVariant[1].vt = VT_BSTR;# t) W! a& z: s0 d
pokeVariant[1].bstrVal = itemStr;. H% B1 W( h4 I1 j
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topicStr = SysAllocString((WCHAR *) L"system");6 {# g/ V) B9 \; w
VariantInit(&pokeVariant[2]); % X! U- ]9 @4 `/ W! H3 ^3 b0 k) a
pokeVariant[2].vt = VT_BSTR;" R# n& e2 N5 h8 o! A; c
pokeVariant[2].bstrVal = topicStr;8 c% e" p( g7 f) F
1 b& v7 \ U- e6 |$ d// Set the DISPPARAMS structure that holds the variant.
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* v2 U) B N5 H dp.rgvarg = pokeVariant;& t. H/ F& W1 I% e
dp.cArgs = 3;: ? G9 G8 r0 y3 E! i! O# f
dp.rgdispidNamedArgs = NULL;* y3 f7 y+ g2 T
dp.cNamedArgs = 0;5 F9 r8 K# ^% T. G. b% d
. Q& K1 t5 b7 J7 k5 t+ P// Call IDispatch::Invoke()
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$ s( D& x5 V8 g2 }5 W8 ]- X hr = m_pDisp->Invoke(3 ` C% B' m8 t% j; _
pokeID,
( z7 ]9 F3 {2 c3 ]! U IID_NULL,$ R3 e6 T& K! s2 J5 k) [# b6 l
LOCALE_SYSTEM_DEFAULT,! t0 W. K' d7 T, c7 |0 f5 u
DISPATCH_METHOD,
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NULL,& q8 j; f5 K$ r/ `% ^( ~7 v: w) R
&ei,9 G! k& I. Y2 W& s2 V) [$ R
&uiErr);
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SysFreeString(topicStr);
, ]$ l( e' I5 I7 a: `7 F SysFreeString(itemStr);
6 ^- f4 a7 C! w' A- Y9 P, a- e, O SysFreeString(valueStr);
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# ~+ G- p0 t/ ]4 R. T. x Y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???
9 z% o# z! ?8 I3 }; C, c# 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???? S0 m, L8 y/ J; z7 y" e1 U
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2.这是request的程序
. [+ g: T2 y& d6 Z. I p' G// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
: N5 w; F+ `0 j1 A4 ]0 x1 n// type flag to indicate the fact that this variant holds a BSTR. Place the9 R7 S& P4 G( U/ u# u; Z
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# ~' b% R C3 ~3 U5 Y7 m. ^
VariantInit(&requestVariant[0]); " N8 f! e5 o! U* j' c
requestVariant[0].vt = VT_BSTR;
; q" p; q6 i# V requestVariant[0].bstrVal = itemStr;6 X5 |4 l+ Z8 U& g
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topicStr = SysAllocString((WCHAR *) L"system");. G. h c9 @+ u3 p
VariantInit(&requestVariant[1]);
& d4 M) |7 V' h; g/ ^2 P6 F; s2 S) i requestVariant[1].vt = VT_BSTR;6 a/ d3 X5 D9 n/ g7 l$ ]3 s
requestVariant[1].bstrVal = topicStr;7 P- L+ g t5 F8 b2 T! ?% {: B# }7 w
1 i% [. `# @9 s// Set the DISPPARAMS structure that holds the variant.( Y) M! i( y% U4 }4 f0 t/ l6 D
* ]' O& [- [) P8 A" n k& | dp2.rgvarg = requestVariant;
/ I/ S" e2 G9 d, j# I2 O3 Q dp2.cArgs = 2;
: f% J* P! v1 I9 g5 y dp2.rgdispidNamedArgs = NULL;
/ u; ^) p8 E b/ k$ W" Z dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()8 E0 \7 U, Z3 P) R
g7 B. ]' d1 s. ^ hr = m_pDisp->Invoke( _* C6 M7 M8 H9 ~' G- p0 I6 e
requestID,
# H: y' j1 p3 ]9 y$ A9 g: ] IID_NULL,8 X4 z: L ~7 h7 n, F8 v3 e% {* I
LOCALE_SYSTEM_DEFAULT,
3 S2 M7 s, C- @7 q DISPATCH_METHOD, m" h! \0 H; _, J, H0 o; _
&dp2,
* {( \* Z+ O) [ &var,
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&uiErr);1 {7 G/ r; _% X/ D7 R7 Z5 Y
0 Q3 Z( s* } B9 T SysFreeString(topicStr);' f: L; h* A" _, v( u& R
SysFreeString(itemStr);) V0 X! `* y4 m% |4 \7 t. N
请问该程序是获得extend里面的哪个值?
2 ]+ r- C8 K" S" e: g. I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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