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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:$ q* J* P+ ?, `- ^/ R- V" w" V+ v' N( S
Name = (WCHAR *) L"Poke";
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5 e: j9 R; u# s. I. B hr = m_pDisp->GetIDsOfNames (
. H+ }& k4 s3 @; k. s2 i1 a6 t IID_NULL, // reserved5 y$ [ v" E( G6 d# g/ c5 [
&Name, // Array of names to get IDs for& q: D/ \0 n5 G! Y& t5 \' V# I
1, // # of names in the array6 J1 j( G4 T' x! o
LOCALE_SYSTEM_DEFAULT, // System locale
. E! B- R% E; f# `0 w4 R &pokeID); // Array of IDs to fill on output2 F; r' e& j" Y+ b: \7 j
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if (hr)
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MessageBox ("Get Poke Unsuccessful");! H, E2 P. Y/ j* T" v. k5 x9 a
return;
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/**************************传递数据给extend**************************************/% h6 O7 B0 z- f% B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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! N* @7 f- d# z! R& m/ | valueStr = SysAllocString((WCHAR *) L"1232");2 |9 T) v) ~+ R5 |, \
VariantInit(&pokeVariant[0]); " F6 y6 o% b. S9 j K! b- [ w
pokeVariant[0].vt = VT_BSTR;
! O5 ?0 ~! }0 Y pokeVariant[0].bstrVal = valueStr;' `6 v- f2 q2 V2 T2 V" z. ?
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! L" B( ^* c5 p9 f6 g) ^
VariantInit(&pokeVariant[1]); : ?4 i! z. B4 m
pokeVariant[1].vt = VT_BSTR;
( O' C2 S5 A% E( d pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& P" L/ O/ d# `1 {$ ~ Y7 G8 B
VariantInit(&pokeVariant[2]); : W3 R' s0 r I
pokeVariant[2].vt = VT_BSTR;
- G% G! s6 I2 u& C' |* l pokeVariant[2].bstrVal = topicStr;) m8 L$ I8 k1 l3 L% ~; p5 ~7 E/ O. x, I
8 z: D% e0 n; n$ Y3 v// Set the DISPPARAMS structure that holds the variant.
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e8 E" Q- ?' U4 O9 I5 P* { dp.rgvarg = pokeVariant;/ B# t x! E! p2 ^
dp.cArgs = 3;- q& w2 x$ a4 a/ P' w+ A; ^8 Q* F
dp.rgdispidNamedArgs = NULL;! u9 f7 A. ?$ l+ q( q* E8 [
dp.cNamedArgs = 0;, k' |- d# e2 t8 b. X8 V
, M8 |8 J2 m; }0 V' ~( j// Call IDispatch::Invoke()
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% b. t7 D0 y: b1 ?; e! s hr = m_pDisp->Invoke(1 J* `& i" N' ]8 b
pokeID,
* ^3 O; ^+ R( [) T2 H IID_NULL,. _$ t) o3 q; M+ T
LOCALE_SYSTEM_DEFAULT,* `, Y5 W& D% M
DISPATCH_METHOD,
$ j; n7 P" a9 C& Z( X9 m &dp,* D6 W: |# J0 n* E; H8 S5 {: r
NULL,0 E- f$ h' d. t( y% i
&ei,
. M% M6 W }: a# _/ P) j &uiErr);1 x4 G( j8 b8 ] Q
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SysFreeString(topicStr);: D d- O) P* N8 b/ o% u: v
SysFreeString(itemStr);0 k. i @/ ?; r% U% w8 ^! w
SysFreeString(valueStr);' R7 Y1 e3 k5 `4 f
1 ]2 ?' X* ?2 N8 T9 {8 T; d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 ^) y6 G2 m, L& d8 h& |. l% H
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
4 z# P7 N- y7 L5 @: A8 y) i// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
/ t8 r+ U% h8 v: S. u. i// type flag to indicate the fact that this variant holds a BSTR. Place the4 P: T/ i: @' T, k; V
// BSTR into the variant structure.
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" ^0 e& e$ c/ W" F$ x requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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5 S; v, Z8 X: m8 B" z7 Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 X7 h& @& z Y# v- W; c VariantInit(&requestVariant[0]);
, s% O$ _; \" p% S0 b2 G& e. [ requestVariant[0].vt = VT_BSTR;! ~3 x% ~( O$ K2 ~. z! f
requestVariant[0].bstrVal = itemStr;
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+ z. i3 |% O ^# }* g topicStr = SysAllocString((WCHAR *) L"system");6 G" o' k7 T/ c8 i
VariantInit(&requestVariant[1]); ! o# a( e j! u1 g: P
requestVariant[1].vt = VT_BSTR;! w B3 D' y+ Q) Y o8 g% E
requestVariant[1].bstrVal = topicStr;6 p2 W# O; A( _
" c* n0 d' e0 C: R" r" r5 Q) o% @// Set the DISPPARAMS structure that holds the variant.: ` v* a) d4 G
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dp2.rgvarg = requestVariant;
6 K& i3 s* E; q% L! P9 M/ A6 ^" f* _ dp2.cArgs = 2;
# i& [* Z' S' | dp2.rgdispidNamedArgs = NULL;
! ~" \* o+ u( |5 ~0 \ dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;) ~. q) b ~1 H8 @
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// Call IDispatch::Invoke()5 |; W0 O4 C5 `
/ Y. f S' m/ A/ U ?+ k hr = m_pDisp->Invoke(' T" b: j0 q/ I0 @8 M5 F. T5 ^
requestID,
' C* C5 J1 j( b IID_NULL,9 Z6 P+ \0 Z2 f; H5 k
LOCALE_SYSTEM_DEFAULT,
: z8 F9 o# i* c+ W. t DISPATCH_METHOD,
0 M+ j1 C* J# r9 k2 F" @ &dp2," F& `$ @$ x+ z% @- T
&var,' M5 z t& |3 p7 M/ s- r1 M
&ei," x& N* [ ]4 _! ^! l
&uiErr);
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SysFreeString(topicStr);; A0 ^3 i* l1 t& i
SysFreeString(itemStr);; n+ @' _% W3 K& \9 N/ e* L
请问该程序是获得extend里面的哪个值?
7 @, V: J. i/ R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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