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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:3 x) U' ^ ^+ ?0 O
Name = (WCHAR *) L"Poke";
# |# B8 T; Q" N* p5 r3 f! P
" |0 i+ L1 Z, j1 K, @- z* o/ g hr = m_pDisp->GetIDsOfNames (' u0 h2 k4 [$ {' O' z' L/ \, d
IID_NULL, // reserved3 d( q2 Q3 F3 |( z9 v
&Name, // Array of names to get IDs for
2 c$ L9 L; C+ y 1, // # of names in the array
1 N% @6 B g9 P* _0 X" L2 O4 i LOCALE_SYSTEM_DEFAULT, // System locale
: Q% A/ }: E8 I5 F& ^, z. a7 @ &pokeID); // Array of IDs to fill on output
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if (hr)# ]+ T2 f4 \7 w6 g
{
+ T; _6 o/ p9 E* l% S% J MessageBox ("Get Poke Unsuccessful"); q" Y) v5 A: m, x, [
return;
% X/ B o# _1 a* m: n+ c) g }
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/**************************传递数据给extend**************************************/
: ^9 }4 b' p; D. ]6 |* b. R pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
' B( ?5 ^- c" [& U- \8 c VariantInit(&pokeVariant[0]); & ~$ W3 l% D9 R3 L1 Q$ M# Z; y; o
pokeVariant[0].vt = VT_BSTR;
7 M6 W: ? x" L( t pokeVariant[0].bstrVal = valueStr;- r a) n* r1 R* B. N
, D' o! l! G$ o5 W" m" g8 ^, T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: j8 s3 m7 ?# R" |$ H; p
VariantInit(&pokeVariant[1]); 2 }- _$ x( r- G5 U8 F' ^" ?
pokeVariant[1].vt = VT_BSTR;
, d4 `& D1 m3 m5 K5 r/ }7 B% A pokeVariant[1].bstrVal = itemStr;
/ |* C; F5 C/ v$ O2 z2 ?* I9 j3 o( p5 f {- w" g$ {8 J
topicStr = SysAllocString((WCHAR *) L"system");
2 ^5 P& x$ |0 c3 Z# u$ X; U VariantInit(&pokeVariant[2]);
3 b4 s2 X6 [/ f% H6 s/ }: ^ pokeVariant[2].vt = VT_BSTR;
0 T* E M9 V0 _, x pokeVariant[2].bstrVal = topicStr;
3 [$ ^9 @. B( v& D; X) j
/ Y) _. ^& M$ b. T# q% D// Set the DISPPARAMS structure that holds the variant. t* ?8 f6 E. [ X7 Z! z
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dp.rgvarg = pokeVariant;
9 n7 K- {3 Q% c6 u8 d dp.cArgs = 3;! j* ^ D5 Z3 Y/ n6 {5 p' p1 q
dp.rgdispidNamedArgs = NULL;3 ]: B4 j2 y, w w
dp.cNamedArgs = 0;9 h& I. T. X! M+ x& Z) M
$ C$ H& Y6 w5 X/ H! n
// Call IDispatch::Invoke()! R0 t& Q8 n/ ?$ f
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hr = m_pDisp->Invoke(
: h8 E/ x. l8 C! W" |' x pokeID,
- w# W& y0 g$ R+ d! j IID_NULL,
# d5 q' V* O6 c! Z7 O LOCALE_SYSTEM_DEFAULT,
8 l1 E$ T: b2 r7 k( f8 m0 J DISPATCH_METHOD,
; i8 M- d& o$ v$ k &dp, ~: j' P) H4 W2 {% `' [9 e1 Z0 c8 J
NULL,6 H, `7 H( J5 V- F, x: x, @- D5 e' O
&ei," S5 z' n, v& r- X1 M1 k
&uiErr);- E: ]- S& N- G* d ]: }
; U$ k* N3 a! w" ]# w! Q5 o [
SysFreeString(topicStr);2 J6 U8 N, [9 j) m( K9 ?7 T" N) I
SysFreeString(itemStr);
% d9 T8 w% M, @+ V |( X3 m$ a SysFreeString(valueStr);
- @1 I( P) p/ Y
) B2 \9 q+ [8 N/ W: c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???+ C2 }2 h3 z! B7 U# U8 _/ ~6 m& 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????
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1 |/ F: X2 T# ~% o+ H( b
. F* t! E6 N: D* t {2 q2.这是request的程序
# L- l! K- X- P/ j' Y// Request a value from Extend
% l# C& s+ A7 }. F) i//6 ? F6 ~: t( g) e
// Initialize the variant that will hold the BSTR. Set the variant's
) P# n6 P' Z2 o) H( ]// type flag to indicate the fact that this variant holds a BSTR. Place the# x& C+ N1 G3 Y. R, M, g a% p
// BSTR into the variant structure.2 R9 {/ d& D" p1 p/ `& }
0 |. l* e6 R$ l. ]
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 q: O" v! G& j! C. O
/ `% @ n% V: F9 w
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 A. u; A7 d% w8 \8 s4 u/ H
VariantInit(&requestVariant[0]); " p* m5 K3 w' w$ V- M
requestVariant[0].vt = VT_BSTR;/ w0 N" U6 C8 ^/ O; ~+ S1 y# p: O
requestVariant[0].bstrVal = itemStr;5 @) d. M. s* N' w& n+ d
! s3 j! [6 T& x% e7 ]& `, r topicStr = SysAllocString((WCHAR *) L"system"); N$ \# H( c& [7 b( q& z
VariantInit(&requestVariant[1]); 4 S; c5 U t5 ]) T' q- v9 i
requestVariant[1].vt = VT_BSTR;
4 Y( l0 J7 s& \- B* D4 S: [ Y1 J requestVariant[1].bstrVal = topicStr;# h6 h! A0 A9 C4 q0 \
' x8 \+ E1 Z3 h! c* {4 c
// Set the DISPPARAMS structure that holds the variant.
+ b1 o5 s9 F) ^1 v0 w6 i) X
& a8 j, @; P/ R \ dp2.rgvarg = requestVariant;
& @8 X' N5 H( C9 O/ s8 C1 z dp2.cArgs = 2;1 q, T6 R: W8 X! X' M' Z4 \) e
dp2.rgdispidNamedArgs = NULL;
3 g! m N! Z+ }% K$ G, d4 } dp2.cNamedArgs = 0;7 c) r _1 M+ ]7 _* x& r2 _
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
6 C( Y6 b0 M' K! e: { requestID,& E' Y, [2 S; @/ z3 q$ o( \" m
IID_NULL,$ ^' q- l) x' C# F6 ~ _( `2 D
LOCALE_SYSTEM_DEFAULT,
; H% B; ^5 y1 S; X DISPATCH_METHOD,
+ o9 ]: v9 Y3 h7 `- a% x) B7 B &dp2,3 c3 J3 V2 w, R5 Z" _: A5 U6 _
&var,( C0 p+ x: b1 e; V7 ]6 g
&ei,8 o2 k( C: D; _& V
&uiErr);
6 J7 n/ [/ i7 G `3 k% r6 X3 M3 ?% k+ _+ E1 v# v- W0 ]
SysFreeString(topicStr);
/ r: V& L# h4 W SysFreeString(itemStr);$ l e; d& l3 b% ]2 J( T; g
请问该程序是获得extend里面的哪个值?! r4 q+ c9 @1 W0 ~3 z! c. `7 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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