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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:
' \2 c8 Y4 J; B, Z9 FName = (WCHAR *) L"Poke";" q8 k1 ?* d- b
% T. E$ s/ l( c6 M1 x7 o# f T hr = m_pDisp->GetIDsOfNames (
5 e; s5 j4 U6 d s6 V) @% m IID_NULL, // reserved
; v# G: M6 }1 M# r &Name, // Array of names to get IDs for, k5 o$ J5 K/ y8 E' B3 F
1, // # of names in the array, F3 B- T+ b( ]
LOCALE_SYSTEM_DEFAULT, // System locale
' a k4 ?2 L( q! M &pokeID); // Array of IDs to fill on output
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) J a$ Q0 `/ r4 @# ] if (hr)7 U! U) n n0 Z
{9 L( U4 J2 f# \& C8 n
MessageBox ("Get Poke Unsuccessful");
1 y; K! i. K+ C2 l- C. K return;2 p2 J \8 b a% t- m2 t
}
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: a7 h9 r/ s; U& `0 _/**************************传递数据给extend**************************************/. Y/ i' T* g2 {
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ M" ^& K( a4 q- s. a
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valueStr = SysAllocString((WCHAR *) L"1232");& r: ?/ D2 X6 l+ A8 n+ a4 S; V! c4 }7 r0 F
VariantInit(&pokeVariant[0]); 8 E! a- F# c" ]: g& X0 e* V
pokeVariant[0].vt = VT_BSTR;
9 {1 Z2 ^# P) x2 R/ y pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" R5 }- l$ T- j" a+ D: ?3 ?# I) q
VariantInit(&pokeVariant[1]);
- w4 b% R/ j V$ R' M: c8 t% W L( G pokeVariant[1].vt = VT_BSTR;8 |: W0 k/ l# ~. k" S! T) g8 ^$ ]7 Y& r
pokeVariant[1].bstrVal = itemStr;
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- g& ?0 Y/ p; r topicStr = SysAllocString((WCHAR *) L"system");: ]2 w" E9 I ~. O; V# Z; u ~
VariantInit(&pokeVariant[2]);
5 }. a" ?: S3 ? c9 S( {2 s j pokeVariant[2].vt = VT_BSTR;3 U6 V5 L/ z7 }& S$ F* q a! [
pokeVariant[2].bstrVal = topicStr;
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# h: U$ g! M2 B! u$ Z9 k7 u// Set the DISPPARAMS structure that holds the variant.
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4 S, x: C' Q* P5 F" e dp.rgvarg = pokeVariant;
! b- R% D R( ~5 m- i6 e7 s: F dp.cArgs = 3;; S) U! L% Y+ h5 R9 m0 w
dp.rgdispidNamedArgs = NULL;
" M [. q, A' T8 u! ?! E2 B dp.cNamedArgs = 0;
7 J+ o& }5 V, ]( B2 |7 `
7 @0 P: u, z' y6 y// Call IDispatch::Invoke()
; J) v4 \) h$ ?# H9 ?1 o: X
- }3 b: X: s. c6 e hr = m_pDisp->Invoke(
# `, H& [. u" _% o pokeID,# Q( l5 o. U3 z
IID_NULL,6 t4 v+ g1 N/ ?5 c4 P" b) R
LOCALE_SYSTEM_DEFAULT,
8 G- d. K% c0 G) C8 @ DISPATCH_METHOD,
: F. u. v! n5 {0 C' J* d &dp,
/ b. d2 j3 l. z, [. ?. Y5 f NULL,' Z% K/ M; w( B9 f
&ei,
- Z$ e" x- [" t7 p+ M9 B; ^( E &uiErr);4 U$ j, u! a) ]* @: [& i+ o8 g
3 G& l, q/ ]8 q$ ]% [
SysFreeString(topicStr);
% w$ f7 \" [# d SysFreeString(itemStr);# A: F0 g. P/ G& y1 G
SysFreeString(valueStr);
; V4 \3 E1 h) n/ O. S/ W" y5 p9 |: T! A5 ?: \9 {2 W# 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???) j; i3 [/ y) r, t1 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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2.这是request的程序4 t0 f$ l" J- C
// Request a value from Extend/ [9 f2 C4 V2 s/ I) b b
//+ c5 J' I% c8 P1 W! q; c& n5 h
// Initialize the variant that will hold the BSTR. Set the variant's& j" c9 F3 {: C3 d# p/ e, ]
// type flag to indicate the fact that this variant holds a BSTR. Place the
7 l0 Q; |. z7 b) J2 p5 I8 `// BSTR into the variant structure.- R/ O- `, [( [, G5 T! p5 B
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
m1 @0 a6 Y& Q
- p/ x* d1 ]5 A | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 b, I3 L, e2 n$ O
VariantInit(&requestVariant[0]); : ? h2 P. N9 E& b, O; P& d6 D7 }
requestVariant[0].vt = VT_BSTR;: |/ u$ D8 Q$ o, J+ G6 C* }
requestVariant[0].bstrVal = itemStr;. ]! n( o+ ?" \$ ^
X3 ?# p+ z& d5 m8 b
topicStr = SysAllocString((WCHAR *) L"system");
3 y5 U2 w' q4 N/ V VariantInit(&requestVariant[1]); " x+ n% Q8 ^1 g' ^
requestVariant[1].vt = VT_BSTR;, s* m) N5 n& E# {) P$ t# }- m! e& |
requestVariant[1].bstrVal = topicStr;
6 I" y8 G; Z: z" @& b
- M' o, f: O4 N7 o* t4 \1 G// Set the DISPPARAMS structure that holds the variant.
% F6 R5 _% w: b+ l0 S4 x3 R9 t }. V9 |4 G+ k! ]1 C3 @
dp2.rgvarg = requestVariant;
5 L L) o/ S) E" d dp2.cArgs = 2;
# c) u; ~" M6 E& ]5 T$ q9 K dp2.rgdispidNamedArgs = NULL;% k( n1 Q4 J* u* i
dp2.cNamedArgs = 0;* d% _) N- n" u% n r
. W! z6 V- p9 T" w, V+ T6 Q var.vt = VT_EMPTY;! S* O$ u$ r& j' g# P, b: W
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// Call IDispatch::Invoke()) e6 T- A! j5 D) u" ^, m' M% A
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hr = m_pDisp->Invoke(
6 A1 S% M; c1 N1 {% B/ [4 D requestID,
/ y! O' o9 Z& i' U3 P IID_NULL,
7 @4 B, }: G3 G( S1 z+ g7 X- a$ E LOCALE_SYSTEM_DEFAULT,
4 u& }% k. o7 _ F- u! d8 L3 W DISPATCH_METHOD,) K" g$ W, e' q) ~( h
&dp2,$ n- V F0 E/ u" j. d& C$ k( v, O
&var,# `+ Z! o. E8 E" f
&ei,
" C* E" e# s( U# y6 r8 s &uiErr);
5 ~8 d) D+ i* b
9 P. l) h: w4 B/ o% H SysFreeString(topicStr);
+ Q# R+ y# B( {& c0 U" K SysFreeString(itemStr);
. b# Z6 m4 e4 z2 O {: P请问该程序是获得extend里面的哪个值?9 T9 o7 g' a. ]) |" a
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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