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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:. O4 P0 b1 ? D/ p- v
Name = (WCHAR *) L"Poke";' O6 B" }3 d0 j: v' V) ^. E/ [$ K
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hr = m_pDisp->GetIDsOfNames (
' ?; l; g8 T8 ^3 i/ t IID_NULL, // reserved* C: i: \2 ~5 |: c- b
&Name, // Array of names to get IDs for [+ O; c0 c r7 G+ f4 e+ A* G; x
1, // # of names in the array0 e- P+ w/ g5 u
LOCALE_SYSTEM_DEFAULT, // System locale' g/ ?; `% [) x/ E2 A$ E
&pokeID); // Array of IDs to fill on output
. s& S# ~: {6 |. ]: z . p# ?" R- I$ ?' U7 ~, x9 K3 @) ^
if (hr)
4 `7 u n$ w N7 f {
# l# ~5 `3 D( p1 a+ P' t# X. ], C MessageBox ("Get Poke Unsuccessful");: j$ D9 Q6 A% S+ q3 h- t
return;) L/ e1 g3 B) {7 q4 h: ]8 f; `
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* {6 T( U) n4 C- w/**************************传递数据给extend**************************************/
5 P8 L% G1 I" ]$ T1 s& m$ }6 Y/ y8 Y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
3 v, n5 Q5 K( T* {: B1 r 6 @6 V8 [/ U" _. C# N" x
valueStr = SysAllocString((WCHAR *) L"1232");
2 |& o9 C8 V7 H VariantInit(&pokeVariant[0]);
( U# Z! v+ j: R) K9 Z% d) n pokeVariant[0].vt = VT_BSTR;
% R' ^: S9 M* q- C6 W pokeVariant[0].bstrVal = valueStr;
* W; N ]) S, ^3 D4 }) w5 G9 j
+ ?% R, o# m4 q. Y: z4 ~ l& I$ P' F itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- e8 L2 w$ h2 G T. A% o# }! w; ] VariantInit(&pokeVariant[1]);
* a& M* b# E8 K- U6 L pokeVariant[1].vt = VT_BSTR;
/ Y$ i3 @: J3 s! X% R& ^+ f: n pokeVariant[1].bstrVal = itemStr;
$ C5 R/ R( z0 t' U: b4 g/ z8 Z6 j* z6 _: W( Q5 C
topicStr = SysAllocString((WCHAR *) L"system");
% b& W7 q% M# E. [* R2 O VariantInit(&pokeVariant[2]); 6 `* _7 Y0 T9 H! k4 R
pokeVariant[2].vt = VT_BSTR;! Y3 Q8 b* ? e3 \4 ?
pokeVariant[2].bstrVal = topicStr;
! i5 Q: [5 L* b2 Z! e/ {+ e" ? b- @
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;) z' v3 `7 r9 z2 @. C/ [6 D) G
dp.cArgs = 3;
5 J6 S9 r% ]5 z9 A dp.rgdispidNamedArgs = NULL;' D: m; @/ J3 s/ F% {. _2 t
dp.cNamedArgs = 0;
) W: f2 F4 d8 P$ m/ t9 B" p* T8 l3 Y4 T3 K! P! O2 N
// Call IDispatch::Invoke()
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. u7 [/ l) |- Q' k$ L3 h* z" Y hr = m_pDisp->Invoke(
+ q4 Y# d: E- K pokeID,9 u0 i& k$ k" o
IID_NULL,3 e6 C5 s; m- G5 V% C
LOCALE_SYSTEM_DEFAULT,
8 Q& {; I; f2 Q! \6 w& a DISPATCH_METHOD,, e3 O$ e. a5 s8 |9 s' _( J
&dp,$ l6 N8 `9 J- b: D$ v# F5 ?
NULL,- C/ u2 G7 |# F* f- W+ l
&ei,# p" h1 E' I' i
&uiErr);
' c1 x# u7 N5 D5 J! U2 e* _& a9 W+ z4 g0 R ^
SysFreeString(topicStr);: Y. K$ U; W8 h, w/ N$ x
SysFreeString(itemStr);5 U7 m6 ~1 z8 S# e! M* |7 A4 V
SysFreeString(valueStr);2 M. G E# k9 I* a+ Z+ F
/ [/ n) ~! e/ F4 r' Z
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???* g. \! B) q" M! Y0 Z: G' {
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????6 Q+ N' C$ D q
% `2 }+ S. m' S
3 p5 J9 d8 N" R2.这是request的程序
9 w; o( s% w2 Y& g4 ]# \; F* R// Request a value from Extend
8 v! y+ F+ w/ _* d% ^0 c//
0 X& d4 g. @# P) [// Initialize the variant that will hold the BSTR. Set the variant's: v8 n7 c7 W1 k& U. n M9 G
// type flag to indicate the fact that this variant holds a BSTR. Place the
s |; r; B- L) t+ o6 s z W) T g6 ^// BSTR into the variant structure.0 A( |0 o2 g' f& v% @6 p
1 [3 q7 S9 ^; V$ _$ [8 l! }
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- i3 s- m) N+ m8 P3 `
VariantInit(&requestVariant[0]); z0 _; {0 e5 y C9 B$ w
requestVariant[0].vt = VT_BSTR;
( X. [) m" E9 E1 @% a. z requestVariant[0].bstrVal = itemStr;' ?* q) ]9 _% o& M8 @0 f
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topicStr = SysAllocString((WCHAR *) L"system");
4 u& Q, n: W+ j ]3 o/ y& l VariantInit(&requestVariant[1]);
2 n$ K. Q0 c8 F4 t7 o3 c. J a requestVariant[1].vt = VT_BSTR;
( |8 i# v5 O. H0 u# @+ C requestVariant[1].bstrVal = topicStr;
- N) z$ ?3 F6 O4 }3 o/ E5 I
! {; ]2 j1 H; k9 K# G// Set the DISPPARAMS structure that holds the variant.* z `; q0 D) Q3 w" t' K& c
* C" `1 [. s; Y+ X/ d
dp2.rgvarg = requestVariant;
! ]: M% f' i% V7 W" D+ \8 f dp2.cArgs = 2;
: c5 W/ |+ W8 w dp2.rgdispidNamedArgs = NULL;6 w$ g' n! ]5 V
dp2.cNamedArgs = 0;: J3 w- M6 E( y* t
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var.vt = VT_EMPTY;
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0 `+ x" `$ y7 ]4 G// Call IDispatch::Invoke()1 Q. j% {, V+ w c
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hr = m_pDisp->Invoke(
6 ~3 J0 b$ w! p1 E F4 {$ ? requestID,
3 w* D8 _- Z4 G9 y IID_NULL,
8 U9 `/ @" K& |1 n1 ~ LOCALE_SYSTEM_DEFAULT,
' p& K5 e; @! e) T# N3 A, Q DISPATCH_METHOD,, Y+ |9 @# ~6 N' f
&dp2,! n8 u3 ~" f$ N7 o. o
&var,
/ Q5 k7 _1 F9 M. l &ei,
6 y3 \, ^/ y; [0 [3 ~& N8 d &uiErr);
; [3 F7 b5 m+ _# ?5 E8 q; o
( \, y4 u" P W& _ SysFreeString(topicStr);
9 `3 Q- Q5 ~" _3 t: o! K SysFreeString(itemStr);) {0 D" [' R9 ~" W. J1 Q
请问该程序是获得extend里面的哪个值?6 Y3 ?. S1 ]* z/ H" `; u
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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