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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:
/ i, S) Q% g! X$ XName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
9 t7 B, {8 U6 x8 h! \ IID_NULL, // reserved
, M3 k5 I& ]: B; @. V &Name, // Array of names to get IDs for& w& k% A5 }# H+ p' T. }
1, // # of names in the array! p9 H! T7 L$ E `: n, t' Q
LOCALE_SYSTEM_DEFAULT, // System locale7 {) K" R& F3 n+ }! B \+ ^' E
&pokeID); // Array of IDs to fill on output
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& G- y+ R/ y& M if (hr)
0 N8 I* h6 e; D- n {
+ W) J9 U% H! [- U0 T: Z MessageBox ("Get Poke Unsuccessful");
( a% d, y1 b" B/ {7 ~- W, d+ z return;
3 s$ [$ t9 r' D k4 j& D3 } }
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: u" N. U# I* I( t% }+ p, ?/**************************传递数据给extend**************************************/
4 z5 ~# P* F% c+ u% o' c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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+ C+ I x/ q3 X3 N6 _- @' _3 i+ y valueStr = SysAllocString((WCHAR *) L"1232");
j5 P. W" d' }0 @) X5 W; Y VariantInit(&pokeVariant[0]);
) L6 E# m( J" f7 |3 a6 Y9 v, ]4 u pokeVariant[0].vt = VT_BSTR;$ Y" `$ x$ ^' [$ t, x5 }' {' ]
pokeVariant[0].bstrVal = valueStr;3 o8 R' u8 X/ n5 x, I! s6 e8 q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& O! e) o5 G7 Q' N6 ` VariantInit(&pokeVariant[1]); * D2 n1 }1 ?+ V' P7 [
pokeVariant[1].vt = VT_BSTR;
c1 z- ?6 ~* p) m, O8 w. S pokeVariant[1].bstrVal = itemStr;
z" f9 Z- J; v2 r2 z
W4 w; v5 R, p8 a4 Y topicStr = SysAllocString((WCHAR *) L"system");
. G* q# z0 b3 r3 Q, ~ VariantInit(&pokeVariant[2]); 9 B9 Q* l- b/ v" W% ^: z
pokeVariant[2].vt = VT_BSTR;
* d) g* g1 _5 w/ y( r pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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: r: Y* s+ t1 C6 X& B dp.rgvarg = pokeVariant;
& @2 x) H0 L' ^( b2 L1 i dp.cArgs = 3;* L: n5 j6 e; k
dp.rgdispidNamedArgs = NULL;) b7 v$ u/ [2 L
dp.cNamedArgs = 0;3 K3 a: p6 f/ ]+ m! Y/ R4 D2 m6 k
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* x4 {# K6 \1 D# y- G
pokeID,
' p- K( g2 C+ b' h3 l) Q IID_NULL,
0 k: c( e3 w6 t0 C8 Z5 }! o1 ^; n LOCALE_SYSTEM_DEFAULT,
; \' y3 N- I1 v- o- s" n* ^( e$ g DISPATCH_METHOD,
0 K5 \0 z% w7 o$ q1 y &dp,2 ]0 K. O7 o- I, y+ d
NULL,
' S+ C. G8 \ `4 ~% j( V &ei,6 w' }% _8 m) \; C* Y
&uiErr);4 |/ z; ]" ~( N0 E; U9 @1 D7 D
4 M' A) u! k3 R% E SysFreeString(topicStr);( V0 ^8 \ H4 `% Z3 e
SysFreeString(itemStr);2 f& L- W5 g: i. Z8 _6 \: l
SysFreeString(valueStr);) J) z+ e- d( V* ~9 i: n3 o
, r3 V' Y% @7 H6 E' {; i% h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???
7 N% W8 a7 i& C: E( ?# c: W) W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????, c+ X |, Q* D
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9 h5 J I/ a% D- r; B8 z6 Z; b& T2.这是request的程序" ~/ b( y4 I2 f/ a( b+ ~
// Request a value from Extend
% s1 w: l: e& X, p//1 B# n" H3 ?. q0 ?+ U
// Initialize the variant that will hold the BSTR. Set the variant's
: r3 }; P% `$ Q h// type flag to indicate the fact that this variant holds a BSTR. Place the
3 @$ b( g$ l; f$ Y# O// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 s: H$ [- G3 O8 T5 l
% L _6 Y& Y+ G; X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, v- F' F$ W/ w/ ? VariantInit(&requestVariant[0]); 9 b( Z) f" t) W/ u E( o
requestVariant[0].vt = VT_BSTR;
: ]6 f9 Z, Z# y5 o B, B requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
- f( A3 \' b6 _7 r/ l9 I; J* R VariantInit(&requestVariant[1]); 5 b* m# `3 X9 C% Y" V
requestVariant[1].vt = VT_BSTR;
, H+ |5 V2 T# x requestVariant[1].bstrVal = topicStr;+ D$ J2 f$ C3 Z9 k
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// Set the DISPPARAMS structure that holds the variant.7 k3 R" ^, W' R- t
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dp2.rgvarg = requestVariant;
/ `5 t* s+ J# q dp2.cArgs = 2;+ M& z; d: Y' ]/ P) w9 i
dp2.rgdispidNamedArgs = NULL;. a8 ]6 m5 F7 A1 v
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;" }& c2 [! ]- a# o9 }' n% ?
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
# Z8 a2 e+ O6 H requestID,
) `4 Z1 [3 b3 s" n0 x% U4 m, l# p IID_NULL,2 T# [1 D: x0 T2 c7 r9 i- u' k6 v
LOCALE_SYSTEM_DEFAULT,$ l, d6 r/ V! h0 l
DISPATCH_METHOD,
2 H" e- h! E% R6 W0 e &dp2,
4 D2 M' V+ z4 `+ S: e/ c5 ~ &var,
: e2 ]. H. |- W- B8 m+ c &ei,: d! w2 N6 O! ]" m8 T
&uiErr);+ i6 y( \0 |- ^. U+ m9 \
9 I- x( H% u2 G! r$ x- w0 \ SysFreeString(topicStr);* M3 z8 X* T) ^9 }% r; U) Q% L
SysFreeString(itemStr);3 P I/ m% j7 l% H; Q% T" ]' N* s
请问该程序是获得extend里面的哪个值?, T |7 q; b# }. ]+ ^% B
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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