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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' P3 |* |6 @: q$ O9 b) u
Name = (WCHAR *) L"Poke";% f8 Y( J6 D0 ~& ~) _! w+ Z
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hr = m_pDisp->GetIDsOfNames (, ^0 a( x5 D; `$ O2 S' l
IID_NULL, // reserved
7 q$ }( h8 @" b+ {. S. N &Name, // Array of names to get IDs for
( A! ?7 s- _# h1 i: _# N: h" z) j 1, // # of names in the array( T* O( j2 ]3 a! ~7 Q
LOCALE_SYSTEM_DEFAULT, // System locale# j' D0 t% j9 ~
&pokeID); // Array of IDs to fill on output
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# t! _8 v X' d) r+ S( V if (hr)3 n+ c. p0 p" n9 s5 c
{
5 U1 h! r$ `. E% F J3 S MessageBox ("Get Poke Unsuccessful");
5 z# a& @3 {* t5 h+ K- G return;
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9 N$ H0 k1 g; W4 s* m( y$ X: d E/**************************传递数据给extend**************************************/
9 D) j8 D$ F/ l9 u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
_: P, b( ~2 e) R; a' X* a VariantInit(&pokeVariant[0]); ( t3 Q. y5 ]# X/ ^! _
pokeVariant[0].vt = VT_BSTR;2 H5 ?: ^$ z5 e# U' L5 L ~4 `$ e
pokeVariant[0].bstrVal = valueStr;
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9 V& M, z7 [1 Y6 D/ @# L! v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! H# R) o+ p+ [2 i0 Y1 R; c VariantInit(&pokeVariant[1]); : X8 R+ \* Y y9 L
pokeVariant[1].vt = VT_BSTR;" g5 H7 @& [4 d; R, I. u
pokeVariant[1].bstrVal = itemStr;5 z* ]- O, W$ W7 f j9 q
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topicStr = SysAllocString((WCHAR *) L"system");
" N% C* R$ h& _0 K VariantInit(&pokeVariant[2]); : G& |" U4 A4 k4 C
pokeVariant[2].vt = VT_BSTR;$ } w( e. y. }; w4 N' ~% N
pokeVariant[2].bstrVal = topicStr;
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* g7 K* O3 x" g/ F- U6 i// Set the DISPPARAMS structure that holds the variant.
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$ N+ k Q9 U* ]3 \7 d6 a' I$ @0 q dp.rgvarg = pokeVariant;6 T5 G: Q$ d+ c4 _7 `- }
dp.cArgs = 3;
. \' C3 ~' ~$ H. E* |$ e dp.rgdispidNamedArgs = NULL;
( X8 u4 W; f' J- g4 ~# A: N* Y dp.cNamedArgs = 0;/ b; s* d% Y- q, P- X' ?; ~
( e& Z! ~0 ^. S( k/ A. G8 N- T// Call IDispatch::Invoke()) T% U( O& v) r" d% u
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hr = m_pDisp->Invoke(% ^. I9 ]( [: G" \% q U- B! C
pokeID,5 f( I! F; O- H; D
IID_NULL,& L1 ?4 A8 p, x7 M* |4 J/ h+ \
LOCALE_SYSTEM_DEFAULT,* c; o9 H1 T. f/ `* a
DISPATCH_METHOD,. a% p8 W! u* K9 L; S& e7 K
&dp,% k& H' ]4 h# E4 a# [+ v9 ^, z$ l
NULL,0 A9 W% o- x5 R# i: U& ^# }9 }
&ei,: O9 u6 b( r9 H. K2 d! c6 r
&uiErr);
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5 Y. V+ o( L' O0 [6 a) \+ L+ ~& A6 s SysFreeString(topicStr);
' l) _* @$ G, |1 ~; Q" I2 F SysFreeString(itemStr);0 J0 f% r1 I- p- ]3 r$ L7 k
SysFreeString(valueStr);. }7 p" B. F9 L7 ~4 s' G
* i2 q6 ^$ A0 e. S- O# n* I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???9 m; L% P+ r ]+ P; b
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????) z6 D7 u1 b9 d. h# J/ P+ e( w
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2.这是request的程序
" V9 ?% e( |% \- s// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
2 f: T4 Q, \0 @) N' ?// type flag to indicate the fact that this variant holds a BSTR. Place the
' I9 J* i& |3 p9 u1 l+ K9 U// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 T- R+ m" c3 K& s' K itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 }" e: M6 a+ @0 \ \! h* o VariantInit(&requestVariant[0]);
+ }" z4 w/ K; X! A$ w3 u% m/ }2 \ requestVariant[0].vt = VT_BSTR;! L/ z" ^# Z6 f5 j4 y
requestVariant[0].bstrVal = itemStr;$ d6 e/ z, ~( f, q5 ?2 d
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topicStr = SysAllocString((WCHAR *) L"system");: e" b* ]! v% T6 v' x8 @
VariantInit(&requestVariant[1]); # v6 T, Y( G. u2 b( j5 c
requestVariant[1].vt = VT_BSTR;) m. z! K+ t5 E; N/ R. M7 Y+ v+ {
requestVariant[1].bstrVal = topicStr;
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. Y, x# o9 S# V8 M) Z// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;; y. s/ o; b, b' c9 P) ?2 q m
dp2.cArgs = 2;
. B) G4 E6 Y& [; b% C- a; _; G3 @ dp2.rgdispidNamedArgs = NULL;
3 a7 r$ W% y; m+ W0 o dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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' j) J! y. L' O* |2 n2 d+ p- |// Call IDispatch::Invoke()& u! ~1 i, E0 \! P1 z' \. l
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hr = m_pDisp->Invoke(
+ [( y$ Q+ C3 q+ o8 a8 r/ W3 K requestID,
& O2 z9 L# Y- t. _4 l8 b3 N& f IID_NULL,& {: k( y3 C( l) F; b
LOCALE_SYSTEM_DEFAULT,
7 _3 }( a: ]. F9 K DISPATCH_METHOD,7 ^1 N' e9 ]2 q
&dp2,
( L0 q# M2 R- ~. M0 |/ Q( w &var,
7 h, ?( C) w9 s0 l- _5 a& r$ P &ei,4 G; {6 T) Z5 w. A
&uiErr);
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SysFreeString(topicStr);
3 U+ [ Q* Z2 ~# m: i: N6 m7 H SysFreeString(itemStr);
5 l1 j# m* C- A+ Q# l2 O; E请问该程序是获得extend里面的哪个值?0 {' A( P W9 n7 K! 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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