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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:; @$ ]7 P' v0 ^3 B+ ]6 f
Name = (WCHAR *) L"Poke";- k6 N6 e" C# ^5 O9 c8 X
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hr = m_pDisp->GetIDsOfNames (
" N; n4 R1 K3 M: e# |# W; K IID_NULL, // reserved
& V0 k- w8 i) O) y8 F& U3 m &Name, // Array of names to get IDs for
2 f9 e& r- ?+ g, b 1, // # of names in the array
1 B& ^# F6 v" j. W9 e1 W2 L2 [ _1 O" e LOCALE_SYSTEM_DEFAULT, // System locale& S8 h4 z$ \/ m, M% J
&pokeID); // Array of IDs to fill on output
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~* ^; i% j! P- d- F. r) j( W if (hr)
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- C& Z) d0 G. c' O! g, g6 i: W MessageBox ("Get Poke Unsuccessful");
6 d9 K7 \ \5 Q8 x return;
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0 x3 C$ {( T7 N8 C/**************************传递数据给extend**************************************/, X D# p3 a' }, n. y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");- a4 C6 Q6 W7 K1 p+ T7 z) \5 ^4 ~
VariantInit(&pokeVariant[0]);
3 p+ G2 y$ O5 g" e) o pokeVariant[0].vt = VT_BSTR;
/ h4 a4 _. p2 B" |# c pokeVariant[0].bstrVal = valueStr;
+ y% f2 v/ f @1 D, H$ ?
8 I( D+ G& f G8 ?; \! t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! I: ~: a- [8 r$ y2 _7 @
VariantInit(&pokeVariant[1]);
) w/ @ D! n! S! p* z( a pokeVariant[1].vt = VT_BSTR;5 F% W0 W( v; E
pokeVariant[1].bstrVal = itemStr;
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+ Y5 h7 j9 Q. ^7 ~, n' G topicStr = SysAllocString((WCHAR *) L"system");5 h: k, c5 O* T8 j' F0 A+ z
VariantInit(&pokeVariant[2]); " U* `3 _7 ^6 |4 _; p
pokeVariant[2].vt = VT_BSTR;
' ?4 k$ c! s3 C# [ pokeVariant[2].bstrVal = topicStr;6 C9 H4 u' i: B
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// Set the DISPPARAMS structure that holds the variant.
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! i8 A7 y" T8 k) @% v5 P O0 T2 R dp.rgvarg = pokeVariant;
) U, q9 F$ r0 p9 F: g b9 _: k dp.cArgs = 3;
7 ?% p% n. P# {3 _! A% t" M- S dp.rgdispidNamedArgs = NULL;2 _' S' { o( `! l- p
dp.cNamedArgs = 0;% Z! T$ d/ F3 N( j" ~; i
* r- s1 m6 i/ H/ M// Call IDispatch::Invoke()3 f2 ~3 Z9 F1 [, a
$ l: C+ {' q1 \7 a9 X hr = m_pDisp->Invoke(2 n4 O9 A: r U# G- a
pokeID,
' H3 u9 L# W$ }# g' x, g; I/ n IID_NULL,
1 f8 M% A0 \7 X& O LOCALE_SYSTEM_DEFAULT,
- j7 F& I1 P! S DISPATCH_METHOD,
# K( t4 s' X" {: t% z! ~ &dp,
3 B+ ^+ w* t) P5 W5 P: D) _. A NULL,
2 H( B0 ~0 `. D3 f3 J2 Q &ei,0 h0 d- s3 g) T
&uiErr);
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SysFreeString(topicStr);4 |" \# z0 U2 A4 F+ V# \8 u. t
SysFreeString(itemStr);
3 M' P1 ^" U: a/ H6 w7 ~ SysFreeString(valueStr);$ R# P, m' ?. f n" S7 O* C& M
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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???
0 s1 C- @- o- d4 A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. ]" K' L* k/ E' @
// Request a value from Extend2 } q3 Q; b) l% b: ~
//3 A2 A( ~4 G/ k5 o
// Initialize the variant that will hold the BSTR. Set the variant's
' S! z' c4 e S% o// type flag to indicate the fact that this variant holds a BSTR. Place the+ w; n% K5 b/ k5 K
// BSTR into the variant structure.( ?2 a8 j7 g0 z1 x3 B, U
. p, r+ G( r" E: p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! _# o+ I$ Y. y2 e- T* X4 G VariantInit(&requestVariant[0]); 2 h: v' t: w$ _
requestVariant[0].vt = VT_BSTR;
- X( P, _+ D2 y' u7 B( r9 q requestVariant[0].bstrVal = itemStr;
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; r! w! G. M2 p topicStr = SysAllocString((WCHAR *) L"system");
6 I2 [. z% }; b7 X3 ~! ? VariantInit(&requestVariant[1]); & k( T& W- p( x$ w/ @
requestVariant[1].vt = VT_BSTR;
' {" w2 g& Y) |" P requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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3 [& O. N1 S* J# Q3 I dp2.rgvarg = requestVariant;
5 a* c) u2 f2 r" `5 M dp2.cArgs = 2;% A; ?3 c1 Z0 W1 g& L0 J& l. d
dp2.rgdispidNamedArgs = NULL;4 ?3 m/ {* \5 E; C# h! r$ |" v
dp2.cNamedArgs = 0;5 T$ z; L, }2 x( n: y
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()* S" U' U6 u6 V% _. a7 u$ k* f
4 |+ [' D$ N; P4 _ hr = m_pDisp->Invoke(
% O. a& | v: y, H' P) T5 k requestID,, ~4 S- d6 W* G2 ]
IID_NULL,, L: Q1 I( v p7 O
LOCALE_SYSTEM_DEFAULT,
! K# M8 }/ r, V DISPATCH_METHOD,! a3 L q/ |- j
&dp2,1 C8 Y7 [' Z8 K- |( P! x, T* ?8 O2 t
&var,
4 B& O7 H) j& R& U" O- i( f1 N &ei,
2 c" y3 i* y, b# }: U &uiErr);
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/ N I6 a- t5 H' G# x+ E* j$ d1 m5 H SysFreeString(topicStr);5 H! S0 _7 G6 H3 w3 S
SysFreeString(itemStr);
- U/ b3 _* d6 G: ^ S请问该程序是获得extend里面的哪个值?' t( b8 S8 n: {# O: O7 [8 {
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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