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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:
$ T: F& ^% v7 V* s2 d0 d& OName = (WCHAR *) L"Poke";- E) u9 a* Q1 q+ C& z
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hr = m_pDisp->GetIDsOfNames (/ t4 V" g6 ^5 S1 E' H
IID_NULL, // reserved8 X0 Q2 D& E5 \& y0 V6 ?% R2 m
&Name, // Array of names to get IDs for
\" j9 [' ~. D ]6 } 1, // # of names in the array I- I, J: f& x9 [4 ~
LOCALE_SYSTEM_DEFAULT, // System locale
* ` y: `7 ]6 U6 d &pokeID); // Array of IDs to fill on output
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if (hr)
" O7 }; C0 n( }9 |! B6 \2 T+ w {
$ q! c. N6 n0 P& W2 Z MessageBox ("Get Poke Unsuccessful");
6 V7 h5 v' Z1 ~" X return;
* Y Y0 D5 U. `& l }
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: p5 z+ L0 R' H% b/**************************传递数据给extend**************************************/5 g8 N3 [8 a1 U" ?5 U* Y) t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");2 i2 q# c7 r: b* P9 [' w5 P
VariantInit(&pokeVariant[0]);
7 C( R" c+ _# O5 g/ q4 G e& t pokeVariant[0].vt = VT_BSTR;
( C0 ^% E, z; @8 S! W pokeVariant[0].bstrVal = valueStr;/ V4 O& n& T, k. }9 ~5 J/ \
2 e" z5 k) L3 D" O# w+ z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% i# b8 j4 y2 U VariantInit(&pokeVariant[1]);
% [& o7 @5 o: H' V) H } pokeVariant[1].vt = VT_BSTR;
! s* N8 s$ F. M$ |( s' W7 X pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
6 ^/ {' l1 q) r# B VariantInit(&pokeVariant[2]); 3 E+ ^; s( [: v8 [/ ]
pokeVariant[2].vt = VT_BSTR;
' c6 y+ p N+ T3 O: }4 v pokeVariant[2].bstrVal = topicStr;* i0 \" X: u6 ~, ] I
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// Set the DISPPARAMS structure that holds the variant. j% f* R5 q, x5 z8 {( ]$ s3 _
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dp.rgvarg = pokeVariant;
8 M" `0 }2 s' h/ ]* ?% }* H dp.cArgs = 3;/ @/ R" q7 C [ C9 j
dp.rgdispidNamedArgs = NULL;
; P$ B# m9 ]* Y" M& z6 s/ X( h dp.cNamedArgs = 0;
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) J |; h, |4 Z+ p7 h2 ~) T// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
. w6 N) i o! G, H- J# v. j pokeID,3 P. m& r7 q+ e, e* V
IID_NULL,
* d% r6 J( _! F1 e: _ LOCALE_SYSTEM_DEFAULT,
I' H2 h" u8 E2 r: y3 J4 G4 S DISPATCH_METHOD,0 d$ k2 h% h- h1 _; M6 @. U8 Q) E, o X- o
&dp,
7 P' f: D9 l3 @0 M" Y NULL,
5 J# l2 f& v+ q) }- F T$ { &ei,) x. x& l/ h6 z7 p4 ?8 ^% D
&uiErr);
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SysFreeString(topicStr);
" M$ o/ c$ v9 V* w) E3 s# h SysFreeString(itemStr);
) m3 ^% _) @) a6 }' [/ t* t SysFreeString(valueStr);
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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???
3 Q) g* ^3 E& _1 D. h: x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
9 s C( f# ~$ K: q// Request a value from Extend6 Y- a( Y8 a8 g0 h, o
//7 ~+ E3 o- X8 s2 z1 y) ~
// Initialize the variant that will hold the BSTR. Set the variant's
" o/ S* y# n) [% Y y// type flag to indicate the fact that this variant holds a BSTR. Place the6 T9 P9 S% Q: W* C) i: ^1 x/ k
// BSTR into the variant structure.
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3 ?+ [" y. H# P+ m+ H requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# b6 A1 p, s" Z$ c; X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( n" ~ ^9 V! a VariantInit(&requestVariant[0]);
& s& C& \; v Q& K( A i requestVariant[0].vt = VT_BSTR;: q* ]' {) y; _+ V7 m) F; {$ ?
requestVariant[0].bstrVal = itemStr;
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8 W1 F. ^4 G. Z3 c ?. Z topicStr = SysAllocString((WCHAR *) L"system");
5 u; q; h/ z/ g VariantInit(&requestVariant[1]);
7 H- h; E$ U5 B) V# R8 m requestVariant[1].vt = VT_BSTR;! {( g& N$ o& F
requestVariant[1].bstrVal = topicStr; o5 G2 `. w; B0 k7 z
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// Set the DISPPARAMS structure that holds the variant.+ N# H( y# J: t$ b' Q
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dp2.rgvarg = requestVariant;# X @3 H" U, {
dp2.cArgs = 2;, ?/ K/ u# z' m. r
dp2.rgdispidNamedArgs = NULL;! u/ C2 P; g4 i q. L
dp2.cNamedArgs = 0;- a7 |$ L5 E2 A8 y* F( X C K2 G) f
7 o" h/ v) Z8 l* N var.vt = VT_EMPTY;( q0 _8 }' k- k# ?3 p
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// Call IDispatch::Invoke()3 C- G0 \. E8 g4 Z. V
. ~, Y4 [2 q3 I( S( O4 B* B) {4 s' p hr = m_pDisp->Invoke(. F2 Q6 T" p# y1 a/ j' i) [: F6 j
requestID,
2 w8 i* r1 c7 j8 s1 \! R. r/ V IID_NULL,$ }+ N5 d1 y1 w Q. ]
LOCALE_SYSTEM_DEFAULT,0 N. J9 Y+ `# K) M% P% r
DISPATCH_METHOD,; n C* e# L$ d; |1 m( g
&dp2," q. Q6 k! z0 J
&var,
( I1 y9 g1 p% p% r# u &ei, s4 m( n/ g& X! X
&uiErr);
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4 Z. K" q; [" n( D$ P8 \( C- h SysFreeString(topicStr);; K4 O, l: c* C: F; [
SysFreeString(itemStr);' c: A+ D( r( @& h; k
请问该程序是获得extend里面的哪个值?# J/ n# C9 k; w$ a' J- h4 p4 z
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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