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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:! [# U) H. j7 P" Q. ?
Name = (WCHAR *) L"Poke";
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6 E0 c8 V6 Z2 V% |0 n& e hr = m_pDisp->GetIDsOfNames (3 x5 w$ l0 }# |
IID_NULL, // reserved
. z2 c) T( e. t7 c &Name, // Array of names to get IDs for: W. R$ f) J) F) m# j
1, // # of names in the array
; ?4 X. {) E7 L1 a LOCALE_SYSTEM_DEFAULT, // System locale
& Y; y4 @0 M& c% @3 _ z &pokeID); // Array of IDs to fill on output
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if (hr)2 N. J# I0 i3 l) g9 u7 k8 d) R |
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MessageBox ("Get Poke Unsuccessful");
2 \1 s$ k$ s" q return;
+ I D4 _: q4 w4 f3 R, w }
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- `3 i' c+ j0 d# ~/**************************传递数据给extend**************************************/
+ _. j/ w: i* r3 m! d, @8 F( L: \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ s& V6 @0 A+ M
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valueStr = SysAllocString((WCHAR *) L"1232");
. A4 B1 \6 o! P$ i VariantInit(&pokeVariant[0]);
) c5 y2 S, }+ r* I+ A* N, n pokeVariant[0].vt = VT_BSTR;
. s6 O) `# r0 ` pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 [& K# d' ?8 ^' K
VariantInit(&pokeVariant[1]); 7 H" Y5 r- w G, d$ a' J+ i
pokeVariant[1].vt = VT_BSTR;- T. R3 m: L' g( U, o! N# w
pokeVariant[1].bstrVal = itemStr;( |$ ~! N7 ~+ X2 e
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topicStr = SysAllocString((WCHAR *) L"system");! X/ j& r4 v, h, e; {3 H" i; `9 m' u5 Y
VariantInit(&pokeVariant[2]); 3 z7 R2 l' [% @* x
pokeVariant[2].vt = VT_BSTR;
/ o* ~7 F& z, v7 F; x& B2 @ pokeVariant[2].bstrVal = topicStr;
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+ N2 d# D( c/ p& e& I4 S! w// Set the DISPPARAMS structure that holds the variant.& E* h3 K* [3 k
0 b5 h, W K' Z! y. E dp.rgvarg = pokeVariant;
' A/ L+ G7 z/ u$ h% g$ Z dp.cArgs = 3;0 w$ K: h6 [6 P+ v4 H* V$ }
dp.rgdispidNamedArgs = NULL;5 W( b5 k/ ~7 n2 p0 H
dp.cNamedArgs = 0;6 H5 N5 u. `& j! n
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// Call IDispatch::Invoke()9 I1 }6 W7 W2 o; S* p; v* X
_+ e+ _" R6 J+ R3 ~2 @) T hr = m_pDisp->Invoke(( G. p+ {! X3 ^" |/ y
pokeID, A5 @+ `2 |; Y
IID_NULL,: Z0 r6 t v9 l4 n( B" w h
LOCALE_SYSTEM_DEFAULT,
+ P6 l g* ?% z% M/ z v! m, L DISPATCH_METHOD,! Z" ~! w" Y' k( x! }3 s/ I0 V! m
&dp,
* j& i! g3 Y" V# A" g0 Q/ I NULL,% n: F( y$ U) Q+ q! V
&ei,
; z3 U. j" v" B, H &uiErr);
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SysFreeString(topicStr);
: ]0 }+ b8 a% T* p! A8 y SysFreeString(itemStr);
: K) M6 Z: B& B4 Y SysFreeString(valueStr);
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( T2 a! O/ D- U# a u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 o& A3 J9 [7 t5 T
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' @# h, \# l3 J$ R2.这是request的程序1 V: B- q: W: S( O7 O8 N
// Request a value from Extend
7 l# _3 Z6 u- Z! M/ x5 D* O//
* E/ L) D6 r1 H( [// Initialize the variant that will hold the BSTR. Set the variant's
2 V$ |+ q% S# I* P// type flag to indicate the fact that this variant holds a BSTR. Place the- l/ c" w/ W- X* ~! s
// BSTR into the variant structure.: M5 U6 k) w6 z0 ], [7 R! {
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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! q. q( r$ Q( y4 P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 R- \$ t7 L; f& _
VariantInit(&requestVariant[0]);
* |4 U+ A% j; V6 ?6 V$ {5 w requestVariant[0].vt = VT_BSTR;
2 |' O& {. l5 ^+ @8 p& R6 ]) { requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
. p5 K3 E+ Y0 t5 t: u$ C VariantInit(&requestVariant[1]); ' }1 R4 C$ f1 e: B& y
requestVariant[1].vt = VT_BSTR;4 i* Q( D( A7 t% M) g! Q( w
requestVariant[1].bstrVal = topicStr;4 i+ B3 M/ Y4 Z9 Z0 \
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// Set the DISPPARAMS structure that holds the variant.# @6 P+ P5 `2 |0 v6 ?# P9 c
7 l( ~7 c& Z' J- k9 Q' Z dp2.rgvarg = requestVariant;9 K! G9 }4 m. [& z, e
dp2.cArgs = 2;
: Q+ T# C! e* L; z1 H4 N/ Q; W( n dp2.rgdispidNamedArgs = NULL;+ S j* r u9 q1 ]6 b+ \! T7 K) R$ {
dp2.cNamedArgs = 0;0 w$ o1 r; V! A9 U
+ L2 u$ m2 J7 R" }
var.vt = VT_EMPTY;/ `3 N6 W) n' }$ N8 H3 V& o9 _# B: K
2 V6 F e: r% u9 }" Z// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
9 u$ o3 |+ Z. R" h; \- Z3 J8 R, x requestID,1 p! ?9 o* w" A% v' C
IID_NULL,
$ a ~- Q5 i& t- s7 @" N LOCALE_SYSTEM_DEFAULT,
$ a, z5 J6 [9 ~ DISPATCH_METHOD,( ~' u% R; L1 r. p2 m
&dp2,
5 |9 a( _, p* @# {/ @ &var,
: j( I. q. x6 g9 i% L &ei,' S! I" C' D6 M, D/ A8 `) R2 ~
&uiErr);6 V2 D- I* {, |- i: X$ I+ W
. [7 U! Q% p, k/ c) J% c SysFreeString(topicStr);
. y8 B4 N2 A6 P+ ? SysFreeString(itemStr);. r1 _4 S( L7 ^
请问该程序是获得extend里面的哪个值?1 H% c7 t- o E1 n: \, q
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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