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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:8 C) a- l# O6 S7 `, S
Name = (WCHAR *) L"Poke";$ I3 W& l. a. v" M
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hr = m_pDisp->GetIDsOfNames (
. i1 g+ I. }) Q+ ^' {; L IID_NULL, // reserved% `! m/ \, o- P% R' S- f
&Name, // Array of names to get IDs for
, W2 D( ~4 _6 O1 n0 @5 V } 1, // # of names in the array/ V: j$ A L; w
LOCALE_SYSTEM_DEFAULT, // System locale
/ l5 `0 z# n: ~: Q5 G, _ &pokeID); // Array of IDs to fill on output
! i3 h5 U( H8 z5 Z" x
" r9 w# o+ w! v! b; R3 Q: G if (hr)1 H' ~9 \1 w4 m& U
{
& A( ^# p1 ~7 ~& m MessageBox ("Get Poke Unsuccessful");; B- u9 A4 F3 r
return;. ~ C6 t9 d- ] a; T* ~6 o
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/**************************传递数据给extend**************************************/
/ P6 |/ F b2 A) { pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
. t8 a n, {- b; l! u
- ` a" N0 S% ]' z- Y& v1 K. n valueStr = SysAllocString((WCHAR *) L"1232");
2 q3 R4 N4 V1 b3 G. s7 O VariantInit(&pokeVariant[0]); ! k1 ]" s: ~! P1 G7 L% _" b; x
pokeVariant[0].vt = VT_BSTR;% [* m8 _" H" M8 ]0 Z
pokeVariant[0].bstrVal = valueStr;2 v: Y0 T# Z/ L" b
6 F1 U% t0 i( n" o6 L6 c% l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 G9 T' e& ? j4 W [! e+ d& c% r VariantInit(&pokeVariant[1]);
^3 W+ o. S6 t; _ pokeVariant[1].vt = VT_BSTR;
% i' j5 ^; u2 x; G pokeVariant[1].bstrVal = itemStr;2 H9 J0 s2 g( Q" ]# p! j- e
' _* y* a4 a4 j topicStr = SysAllocString((WCHAR *) L"system");
: Y% ? ]5 Z3 l/ R q3 U$ I VariantInit(&pokeVariant[2]);
% v. O0 H8 Q* Q7 a8 _5 Q: x) E, A pokeVariant[2].vt = VT_BSTR;
- k2 Z; z" f: a1 A& S pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 b& N0 _4 Y( {! L' I/ o) d6 i
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dp.rgvarg = pokeVariant;1 F# z0 E* d* Q4 Y- `" ~: q
dp.cArgs = 3;
: ^+ ^6 C5 G$ q7 t A9 F' `. ] dp.rgdispidNamedArgs = NULL;
) u' J, ^7 t8 c* j+ e Y Y: ] dp.cNamedArgs = 0;/ c! S9 N& ]4 c+ a7 d5 z
; ^4 a0 @$ E, g# \// Call IDispatch::Invoke()
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# j' t2 A5 |. B- A, { hr = m_pDisp->Invoke(
+ E% v4 D5 F9 y% i# F pokeID,
4 m; O/ v# O( u IID_NULL,3 a5 \. Z. H9 `0 }" F& h$ q
LOCALE_SYSTEM_DEFAULT,, p6 o2 L2 a0 Y+ U9 E
DISPATCH_METHOD,
! x0 \5 v8 Z7 M& d, C. d &dp,) r- m% h& e/ b7 |% A
NULL,' _1 p5 L7 z( t
&ei,) U6 z) e' F& J* @% [; L- K0 @
&uiErr);
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2 C' t7 y$ Q9 d SysFreeString(topicStr);
, w5 Y7 K; G! S, a* u! t SysFreeString(itemStr);
& q; C0 z( |( J1 s+ D2 m SysFreeString(valueStr);
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& r* t) E/ l( Z" `5 @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???' ~" @- _6 P: r& ^" M4 J6 @
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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) |6 l/ r5 d" c& a+ u2.这是request的程序! J% F( K% w) ]6 }' J, \+ T
// Request a value from Extend, f5 u* {! {, f& p
//
' w- `& E" Z( O9 S1 u// Initialize the variant that will hold the BSTR. Set the variant's* s3 W+ Q8 Y- H+ L/ I
// type flag to indicate the fact that this variant holds a BSTR. Place the
9 C/ M2 F, x2 {// BSTR into the variant structure.0 D$ d8 I/ f8 X Y' i% f6 b% k
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# l2 M4 C+ i2 ^9 s
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 u5 B: d1 c& P3 t* @- B9 s VariantInit(&requestVariant[0]);
0 w B; Q- \$ T( y% J, ] requestVariant[0].vt = VT_BSTR;: x# a7 |! s( m3 ^
requestVariant[0].bstrVal = itemStr;# x- i3 f0 E) W, T z
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topicStr = SysAllocString((WCHAR *) L"system");
, K+ }6 y; M S1 V VariantInit(&requestVariant[1]);
$ z( O8 N1 M4 x# `! ] requestVariant[1].vt = VT_BSTR;
4 f4 G8 J: T! ~3 w- j6 Q8 A requestVariant[1].bstrVal = topicStr;
' A: G; ~, A, {# m7 h) n. M2 L. Q' G) Y
// Set the DISPPARAMS structure that holds the variant.* e% `/ w" ^: F* u
/ _% X+ r J6 H5 M# m3 q# ]
dp2.rgvarg = requestVariant;
3 [. B5 h$ U9 A7 K Q dp2.cArgs = 2;
- n$ K5 i. b- H& Q3 r6 }: p: E dp2.rgdispidNamedArgs = NULL;
/ h. x0 J% L: N dp2.cNamedArgs = 0;* o: g( c# S1 l: E
7 [3 {. M% x. |( x- @ var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(); K, }- W9 r% s1 P3 t6 F9 V
& X6 z+ p: Q( b1 w! }: F& K/ S$ a hr = m_pDisp->Invoke(
, P. T, I+ I" e8 M9 I requestID,4 b) C. K9 U/ Z& b$ ^
IID_NULL,
- W' C, W3 g: k LOCALE_SYSTEM_DEFAULT,; Y0 k8 N# w+ U4 M! [
DISPATCH_METHOD,' t' y2 {& r) A) T2 \6 H
&dp2,: {3 V% t# T, n" P
&var,! Z$ I9 q& ^" H$ J- E7 o' a$ _
&ei,% r6 r# I9 F) M4 E
&uiErr);
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SysFreeString(topicStr);" I z$ u) C' n& G/ I
SysFreeString(itemStr);1 |6 p u1 y. N( B
请问该程序是获得extend里面的哪个值?
1 @/ r: |" \( |2 o+ M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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