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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:# S3 O, \ A1 \* Y8 R+ s3 v- Y
Name = (WCHAR *) L"Poke";0 u3 h( r8 l. }5 `' |+ ?
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hr = m_pDisp->GetIDsOfNames (# S+ u& Q( W0 F
IID_NULL, // reserved
" j/ R1 _# J. |; X" h9 d &Name, // Array of names to get IDs for
/ ^/ k+ _$ x: _. {+ p 1, // # of names in the array+ k6 m. C- d9 [; E W- c
LOCALE_SYSTEM_DEFAULT, // System locale
* g3 K8 O! F( u4 M9 R3 o &pokeID); // Array of IDs to fill on output) H$ k5 `/ B( w4 e- e) d( i/ q
; _5 S6 r5 J( u' }
if (hr)
, P% z1 w5 M7 g V( ^' v {
. W% \, ]* h0 T3 C9 e% S MessageBox ("Get Poke Unsuccessful");/ u: s: k7 o% ?- }/ l
return;: ?" o$ j3 `7 k, p/ F8 y
}
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/**************************传递数据给extend**************************************/
/ ]* J9 k8 f" B- C3 P- }+ V" m pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 l" F% C5 m8 _, ]' d! R8 f
2 p# U4 F) i, e8 X valueStr = SysAllocString((WCHAR *) L"1232");
% V5 J* ^) T! U8 @* v! V# _ VariantInit(&pokeVariant[0]);
# d; Q4 `6 W' k* l+ f pokeVariant[0].vt = VT_BSTR;& i9 p6 e* e/ i+ q9 T
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, [$ Z4 j6 P$ ]# @' \" e( L/ S VariantInit(&pokeVariant[1]); 2 o' v4 y8 M1 l1 R( W2 r
pokeVariant[1].vt = VT_BSTR;
2 P% q" s; f0 c+ d5 Z4 l pokeVariant[1].bstrVal = itemStr;
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! k) X# R5 `* U. r4 M topicStr = SysAllocString((WCHAR *) L"system");
) U, e, S" I( T# f. q VariantInit(&pokeVariant[2]);
1 n( B5 r- z" W* |; ?' Y- m pokeVariant[2].vt = VT_BSTR;
7 E2 ^: m$ {2 \4 r$ U pokeVariant[2].bstrVal = topicStr;9 o2 @, z% q' J: B
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// Set the DISPPARAMS structure that holds the variant.
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1 i' L. j2 H' f2 T+ B dp.rgvarg = pokeVariant;
( y0 j9 Z! v5 y8 W5 x* z dp.cArgs = 3;# a& p6 W2 \' s
dp.rgdispidNamedArgs = NULL;
, ~& R( O& o A+ H1 Y" U dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()" h+ n( v2 |# I3 g- S. u! J
2 g, L4 O/ s, i9 m$ u hr = m_pDisp->Invoke(. b$ J. p6 a4 }" a8 X6 O
pokeID,
0 X6 Y- R* K' L! t IID_NULL,' d8 p% o6 @/ v8 k
LOCALE_SYSTEM_DEFAULT,$ E% ]+ [* y6 m" V. l# g
DISPATCH_METHOD,
- t# K4 {5 M7 ]8 s &dp,
5 o* |' }2 D* m6 |* H NULL,
; A& [" J9 x+ A- f, \5 W) v3 Y &ei,
$ S* A6 ^+ y9 q9 \3 V# u# r &uiErr);
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0 n4 u4 m7 Z6 E+ X& E SysFreeString(topicStr);
3 k8 h X1 f* j f9 l5 i# [ SysFreeString(itemStr);! f6 b \. K- L* v
SysFreeString(valueStr);' G* Z' Q+ T8 R% d6 ? a7 b% ?9 j
" |, \" a( q, {
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??? H3 G$ m/ J6 m; O. H. _1 B$ 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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& ?. s& a! ^$ J: s2.这是request的程序* ?: c9 E1 Y9 a
// Request a value from Extend- B0 A- r3 l: r! B- N4 q5 y
//1 Y, ]' z9 j- z# f# |! Y
// Initialize the variant that will hold the BSTR. Set the variant's
; t" H# t2 B5 j% Z& g// type flag to indicate the fact that this variant holds a BSTR. Place the7 y! { q9 M K& C( `
// BSTR into the variant structure.
* ?; T% H% J$ n2 Q5 f& I9 G ?/ S7 f8 @1 a# T% A0 g5 J# w% b% G
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; I5 @; q6 Y8 f& F
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, @/ m. ~! s8 M: K+ J
VariantInit(&requestVariant[0]);
1 T' ]( T; m2 c- ?" \ requestVariant[0].vt = VT_BSTR;
o% X% e G0 G8 o& M requestVariant[0].bstrVal = itemStr;$ R, u+ x8 J/ v/ W7 W r% R* {
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topicStr = SysAllocString((WCHAR *) L"system");2 T, N: a6 C& {4 T4 }5 y
VariantInit(&requestVariant[1]); : m+ o4 u s8 t* C0 p. _" t% c
requestVariant[1].vt = VT_BSTR;
0 R* o- {' Z# r requestVariant[1].bstrVal = topicStr; B$ F$ b! K8 g0 B
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// Set the DISPPARAMS structure that holds the variant./ I" E9 s/ C' p4 h. P
' P [6 Z. |+ q dp2.rgvarg = requestVariant;0 B( i* w% i. Y8 k& M" w1 k" n
dp2.cArgs = 2;
2 P+ k/ g6 i: L3 y+ M0 g dp2.rgdispidNamedArgs = NULL;
0 m( o( l0 S* L4 u' ? dp2.cNamedArgs = 0;' P4 L5 A4 Y/ Z% W+ A! W
" o4 ]6 g: P8 [' w var.vt = VT_EMPTY;
! _5 x7 e2 u7 O( q9 w$ F
: Y1 R" @# u/ f0 V- M1 Z// Call IDispatch::Invoke()$ S$ r* m6 H7 y7 X% a' I3 l
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hr = m_pDisp->Invoke(: l8 X9 x1 W" [' h$ o
requestID,! I K0 M' ^$ T; e. M9 k5 b. @* ~
IID_NULL,3 G8 ^# y9 y" y: k8 R! c
LOCALE_SYSTEM_DEFAULT,
6 l! r* j+ t) L7 I. K# \! q( I DISPATCH_METHOD,
1 V5 M3 S& h6 B( q- C( q! I &dp2,
; A7 p3 j1 m3 a6 U& X0 { &var,* a" [. e$ Y0 T: h) w+ m
&ei,& g4 r' L+ |8 Y# b: s$ j
&uiErr);2 r# P; T8 e, a& s
! V& k2 o. R9 A4 m! b# N( a SysFreeString(topicStr);) f5 a8 g9 S& y; }; h7 Q
SysFreeString(itemStr);
; ?6 p& E* _8 h6 T$ t1 E, e/ d, }请问该程序是获得extend里面的哪个值?
7 X* ]) U1 y2 V" s/ [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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