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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: \ [$ ?* d, F+ P
Name = (WCHAR *) L"Poke";& a+ A U: ]* C- P) F9 u. ^3 ]
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hr = m_pDisp->GetIDsOfNames (5 u: |, |8 h% z' F7 @$ a% }
IID_NULL, // reserved
! C& w# b. O, Z: m; d* I( b &Name, // Array of names to get IDs for8 ]" [0 @2 @7 A5 I
1, // # of names in the array
, ^, P: S( K e8 _3 p" \ LOCALE_SYSTEM_DEFAULT, // System locale7 r3 |, j, n/ W, ?6 h; o2 B
&pokeID); // Array of IDs to fill on output
" _7 N4 h5 J) K6 K3 \+ K
$ C. w% V/ I- _/ X5 }5 v if (hr). i' l, [: ^4 J" P$ B. ^( K5 N0 I
{
+ c& `9 j- G4 \/ ~ MessageBox ("Get Poke Unsuccessful");
+ j3 x5 q5 O$ M( ] ` return;3 @; @0 j: }" e* }$ M" C3 l' F+ Z# u& Q: M
}: U. y2 `8 b, n" {5 k( c
L7 j* p X7 d6 u9 P( t: q" z/**************************传递数据给extend**************************************/6 G0 d h$ A+ @
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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, m" n) W- Z7 _9 Y3 H4 \/ ]! e valueStr = SysAllocString((WCHAR *) L"1232");1 }9 k, u. L1 `- ~# ^5 l# j
VariantInit(&pokeVariant[0]); * p$ D# n' i& W5 u/ x
pokeVariant[0].vt = VT_BSTR;% ~! t" d2 J, \# i
pokeVariant[0].bstrVal = valueStr;
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/ }3 ~1 a4 ]4 s itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 f: A1 v) M3 I7 P- X
VariantInit(&pokeVariant[1]); ! v8 x" F% _ `( d/ Z6 d5 x2 H
pokeVariant[1].vt = VT_BSTR;
! m2 ^6 e B% n: E pokeVariant[1].bstrVal = itemStr;
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Z# c9 o9 P: @% A5 c topicStr = SysAllocString((WCHAR *) L"system");
. F. z# j; @ k VariantInit(&pokeVariant[2]);
6 t# h! l3 B6 g! X pokeVariant[2].vt = VT_BSTR;
2 } U1 L8 v6 T8 i, R pokeVariant[2].bstrVal = topicStr;. h8 S& K6 q- I- }5 j- k0 P
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// Set the DISPPARAMS structure that holds the variant.
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/ G! y" @2 }" L K0 Q) e/ C1 j dp.rgvarg = pokeVariant;
+ B# Z3 Z7 \, D dp.cArgs = 3;9 K. M7 b* ?2 L8 S
dp.rgdispidNamedArgs = NULL;
0 j# @* V! `% Z6 B dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()& c, U& `, J2 V7 U. c! j3 a
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hr = m_pDisp->Invoke() c% e2 m. A" A6 e3 ]/ n
pokeID,+ e( `9 m$ ? l( q1 a
IID_NULL," Y- L* k5 r* h* q8 d
LOCALE_SYSTEM_DEFAULT,% z) v6 Q r" ^; l
DISPATCH_METHOD,
7 e! N0 R0 A0 B( K( s, E &dp,
2 `1 _. Q. J. A% k B NULL,& b! C: Z9 o x5 {
&ei,
4 N7 A6 L; R: D `( T &uiErr);
7 {2 p! C# r7 ?$ ] b: O
) b; q1 [- S) a6 k2 R8 N SysFreeString(topicStr);: \$ _( G9 w \ E9 I, C( H8 n
SysFreeString(itemStr);
" P& e7 B0 k$ y5 q SysFreeString(valueStr);: q5 @# E6 R1 K% c' m" G& @* k A
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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???
# c/ d$ p3 o* A" \: 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????
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' O& f* E E3 N+ t% I$ p2.这是request的程序, E7 m$ `- n* k: L6 v' ]
// Request a value from Extend K# |! m3 h; X$ `$ U0 W$ ?8 H
//
, i* f4 @2 ]0 z* \+ a// Initialize the variant that will hold the BSTR. Set the variant's
1 [8 C* o x5 ~+ j/ ^3 p// type flag to indicate the fact that this variant holds a BSTR. Place the$ S% f( T$ O- a [2 ?
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- d- T g x2 ?1 z$ D
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; k# i' S8 P+ Q; [+ l5 @: J' h' @; ~ VariantInit(&requestVariant[0]);
" I0 R2 p- e& ^% J2 L; v U requestVariant[0].vt = VT_BSTR;8 I) Z7 z. j5 k# Z; W
requestVariant[0].bstrVal = itemStr;
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! b; I, P; G& Y W9 q, ~9 n topicStr = SysAllocString((WCHAR *) L"system");
4 P- T7 Q8 ?9 r5 n+ r4 ? VariantInit(&requestVariant[1]); 0 `8 W1 S+ l5 m, k; W
requestVariant[1].vt = VT_BSTR;9 E; C9 [& {0 d$ w7 r: `2 {
requestVariant[1].bstrVal = topicStr;
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4 O ~8 t$ d8 u" b( c: m; k c6 B// Set the DISPPARAMS structure that holds the variant.* I+ [6 j; d4 x [
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dp2.rgvarg = requestVariant;
. V& ?9 w4 u' l8 D0 K dp2.cArgs = 2;
L3 d- v, k* p0 ]5 f( `6 ` dp2.rgdispidNamedArgs = NULL;
! N6 `- W; u; J* s dp2.cNamedArgs = 0;) h/ h; O9 ?% k X
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var.vt = VT_EMPTY;8 I- H& g2 W/ w0 H0 m( Q* o
% ^# d& l4 S& ~# _7 ?
// Call IDispatch::Invoke()) C% R8 E2 j" S& N8 X/ x1 W- e8 x1 t
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hr = m_pDisp->Invoke(
, a5 f/ U. O+ \$ S* w8 ` requestID,
; H0 G9 p! ~7 X4 a) A2 T IID_NULL,
( L+ O9 ~9 l( I$ V w LOCALE_SYSTEM_DEFAULT,4 Q! x. E; w6 A; s9 V' z
DISPATCH_METHOD,* i8 F9 n* u) ~" h; ]2 C- m9 W) s
&dp2,% d/ ]6 F7 E* R3 ? x- F
&var,( x# m8 h; @( q" p: X6 R4 {& |
&ei,
7 h# Q% \' ]5 Z$ ^( }8 w0 J, C &uiErr);
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SysFreeString(topicStr);
8 q9 Y- ~* j! M* ^5 P) s4 R& g SysFreeString(itemStr);; O4 A. ]5 Z7 r9 o2 P: |5 [6 o4 Y
请问该程序是获得extend里面的哪个值?
, }8 g. M2 v7 _7 R0 B! 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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