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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 L; B) @, J; A' dName = (WCHAR *) L"Poke";- |& Q* a: u% @
( e: `& P$ R0 W; \ hr = m_pDisp->GetIDsOfNames (
; a( n, n/ B: J7 W1 p IID_NULL, // reserved
$ [' F6 C; v! N5 o &Name, // Array of names to get IDs for9 F! E& ~9 S- [! h1 g+ u5 G
1, // # of names in the array9 x2 S9 `3 z! x1 a: T
LOCALE_SYSTEM_DEFAULT, // System locale
~/ j! j# O0 p: g; D! o &pokeID); // Array of IDs to fill on output( X4 c. _- M& t/ E0 A% g
- W' d2 H4 D, U" f. c5 H5 N( `
if (hr)5 Q- o+ q) Q* q9 M3 t
{
# J2 y2 ]# ^! f" j3 I MessageBox ("Get Poke Unsuccessful");. d! s( Y0 A2 A- y7 k
return;
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, b4 q9 ^/ P: I! R! X2 k$ d/**************************传递数据给extend**************************************/
: a+ J3 p% e% B% t1 P6 Z; @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 y8 E, V+ w0 [6 k4 ?" A
2 n: f: n/ p4 x2 c& a valueStr = SysAllocString((WCHAR *) L"1232");
" ~; d4 C) f1 Y VariantInit(&pokeVariant[0]); 7 D" s8 n2 B, ^( Z9 h+ t
pokeVariant[0].vt = VT_BSTR;
8 h5 c/ M/ R4 L/ o- a# X pokeVariant[0].bstrVal = valueStr;
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) }; Q, I% } Q) M, E& A3 S0 m itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ y; N; Z1 P3 F$ M1 b# | VariantInit(&pokeVariant[1]);
& Z% w8 {/ W* U- f4 z* Y: @6 Y pokeVariant[1].vt = VT_BSTR;6 f# ^ v$ s7 i( H
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");3 G/ Q. N7 {; u0 m
VariantInit(&pokeVariant[2]); 4 m5 s8 v- `( }( O) O/ G
pokeVariant[2].vt = VT_BSTR;
/ T* c8 }3 N( r( j& m4 ]' S# L pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ g7 d# S) F! f; y
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dp.rgvarg = pokeVariant;: O$ i$ e* k# j2 |+ c2 J+ w
dp.cArgs = 3;
0 v; R# \$ V3 p% y8 w' E, F2 u dp.rgdispidNamedArgs = NULL;
1 d% Z) o% u8 m6 r- }* b" A! l dp.cNamedArgs = 0;* V( S: ~: E% v* X* O6 f
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// Call IDispatch::Invoke()
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9 h0 s |8 {; d1 h3 j) }/ [ hr = m_pDisp->Invoke(5 g) P e: t9 B8 \" I ?4 T
pokeID,
& Z0 [: d" P* e, h# G IID_NULL,
, }) M. W0 f; Q9 r( E& O- C LOCALE_SYSTEM_DEFAULT,
5 D K2 B! |6 V8 C DISPATCH_METHOD,
; n! l2 y; N( S3 }4 w &dp,
4 D( r7 w. \, U- y+ l7 ^; \ NULL,- G4 l/ \9 H B [' n3 o/ ]
&ei,$ ]- L! e) ?* I2 K
&uiErr);
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SysFreeString(topicStr);
4 x$ |) U6 m% j9 |( ~+ T$ j% T+ p SysFreeString(itemStr);% h1 i% g8 @, S
SysFreeString(valueStr);3 {% A- D! ]( b0 R5 l
; H; I& ~0 Q& }9 Z5 s2 t2 |
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???
( F6 v! x5 p3 c( B# V, p \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????3 \- ?8 M& v' e& Q! K6 y
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+ X/ M3 b, E `8 `# c0 _1 C) A
2.这是request的程序
+ l: N2 F' L8 i3 {( n$ H" \// Request a value from Extend
8 R4 T4 N% g9 G' n9 d5 `//
/ C: y1 k8 a) L8 x8 _# o4 y3 ]% v// Initialize the variant that will hold the BSTR. Set the variant's( s. w1 X" q% b
// type flag to indicate the fact that this variant holds a BSTR. Place the
* C0 l# d: u: H& Z# X% g5 m& A" k// BSTR into the variant structure.: L4 R- g0 p0 y" z" I6 b& o+ o
: c0 \# X7 w2 ?% Q: N) T requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. b$ l4 j0 v' } `
5 u+ M/ j5 ^( W1 e- T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 C3 m: _) S' f. t) A VariantInit(&requestVariant[0]); B& c9 ~) U5 ^$ s& C9 Q, J- O
requestVariant[0].vt = VT_BSTR;
* U& C* l8 ~* i X requestVariant[0].bstrVal = itemStr;0 P. v8 y) \1 }( h$ N/ q6 |
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topicStr = SysAllocString((WCHAR *) L"system");
3 @, x# v' H4 r; C. d& w* T+ O VariantInit(&requestVariant[1]); p0 b% n* `$ c# I& g
requestVariant[1].vt = VT_BSTR;
2 k. a1 }( o' |/ ~ G requestVariant[1].bstrVal = topicStr;: t3 }/ d( S. Z
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// Set the DISPPARAMS structure that holds the variant.; s Y8 D ~6 K- P* Q$ Y' S+ E2 }
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dp2.rgvarg = requestVariant;- O! Y0 f( I$ D$ ~& p6 U" R2 m
dp2.cArgs = 2;
% n/ r: ]5 E; |' J9 }& [ dp2.rgdispidNamedArgs = NULL;
. k( _- t7 F9 { dp2.cNamedArgs = 0;
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4 l- S6 C( }) f0 j: q) g5 R var.vt = VT_EMPTY;
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& I$ o9 M0 l# a1 w& k: F6 D// Call IDispatch::Invoke()
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& ] u% a9 Y, l hr = m_pDisp->Invoke(8 V8 U2 x6 e1 y% f
requestID,# H4 ~# \) j8 x6 i8 ?
IID_NULL,3 |- i4 h. a Z
LOCALE_SYSTEM_DEFAULT,
: M, J4 S+ z6 s: r& K7 t' I) H7 V/ ] DISPATCH_METHOD,) b# ?; J; [5 O4 N" }
&dp2,
) Z1 ~+ [; }4 w0 A1 O &var,+ F* i X! c9 g) K4 Q
&ei,
" T' \4 n7 b" G1 { &uiErr);
! q4 l& i4 A+ j% x1 t8 {8 Z# p! ^5 A( h# G* g7 X3 U8 L* S
SysFreeString(topicStr);
! t0 s6 P6 [7 O2 L# _( n SysFreeString(itemStr);9 @& V" s. j0 |' I3 P0 H6 ~% Q5 G8 x
请问该程序是获得extend里面的哪个值?
+ C/ u; c4 _4 H9 f% O3 b7 j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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