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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:
5 {. H$ m9 L; G& Z0 ~Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (2 r2 M: f0 h) t( U: O. }% d
IID_NULL, // reserved( O9 ~ F6 w" ^& T
&Name, // Array of names to get IDs for
/ a/ s% ?( b* l5 d! r3 w 1, // # of names in the array
! P* ?* ]0 W$ ]! M# Y$ s LOCALE_SYSTEM_DEFAULT, // System locale' w2 q% R: Q9 F0 p, |- k
&pokeID); // Array of IDs to fill on output7 r$ v% K4 V8 V& ]; V
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if (hr)
; D8 X7 K9 Y. n# z+ l9 l {
. K! ^4 q& `4 z q l+ K$ A" u1 a, i MessageBox ("Get Poke Unsuccessful");/ Z1 h9 Q2 ~, D& u. M
return;. m" F; O" Y6 k6 u& X) G
}
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/**************************传递数据给extend**************************************/6 _% t5 f( L; j
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* |3 q1 z' U E% g
/ F5 X+ o) S4 m
valueStr = SysAllocString((WCHAR *) L"1232");* v4 W/ @! ]9 \/ I- C/ U: N# d
VariantInit(&pokeVariant[0]);
. x, \' ~* s/ ^! y, ~ pokeVariant[0].vt = VT_BSTR;" s- E" B" {8 D8 u
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, o4 U) W9 H2 n6 u! n/ I# q0 }
VariantInit(&pokeVariant[1]); 4 o" B/ @% P3 E
pokeVariant[1].vt = VT_BSTR;
) e% ]8 \: d+ o; a7 M4 R pokeVariant[1].bstrVal = itemStr;. {4 J% E6 i) `! Z8 `
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topicStr = SysAllocString((WCHAR *) L"system");
: W0 l1 c) g6 a; a; E VariantInit(&pokeVariant[2]); 9 n4 \9 N: \1 E5 M1 p7 _. P
pokeVariant[2].vt = VT_BSTR;8 h5 T! B; Q8 R, {* t
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant. Z7 `# n# o5 t$ I _6 P9 J/ |- w
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dp.rgvarg = pokeVariant;) J/ O! u7 W& n- M. j
dp.cArgs = 3;
! d& i, ?" ]1 t& R' [# U: ] dp.rgdispidNamedArgs = NULL;1 F( ] X7 s0 | ?* n5 G8 X# o' D+ h8 r# j
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke(). T9 i% i4 a' b3 ?: ~
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hr = m_pDisp->Invoke(
/ ^ G( z( Z" P; p9 Q0 l/ j pokeID,
( t1 P$ J' l! E; o# C. [% A+ s2 B IID_NULL,) ?1 G8 [# m6 D7 E( v* ^
LOCALE_SYSTEM_DEFAULT,
: G6 `! Q& k$ v; R R9 s; ^2 b DISPATCH_METHOD,' _9 @; u/ ~! T6 B' q8 U
&dp,
* {2 Z+ |/ k- Q4 o- T) d7 c NULL,3 z$ l, @/ q. e* H0 `7 V' {
&ei,3 u1 s0 n9 v7 k1 B9 c0 t/ s- s/ m6 E
&uiErr);! J* [6 _/ z4 W
% R- `9 N$ ?% k: K) ? SysFreeString(topicStr);
/ w- h% f# Q/ ?% o/ S4 c SysFreeString(itemStr);+ E, R* w1 ^- T1 J* c
SysFreeString(valueStr);# c1 i, {1 G3 N% g
1 j1 t6 J2 H0 Z6 w6 j
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???
/ v* m' T, G6 O, [8 M! F, }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????/ j: d( I0 O+ i( o/ e
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2.这是request的程序" A9 p* e! [$ n4 i1 e i. D
// Request a value from Extend/ t. ?3 p* X2 h, K2 C. v/ \" W
/// A" m: m3 j4 ]2 k( P6 \
// Initialize the variant that will hold the BSTR. Set the variant's0 [% A( Z* S# A w% l
// type flag to indicate the fact that this variant holds a BSTR. Place the
. l# g3 w" ^ h1 {+ ?' N R- T2 H// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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# `2 y5 S3 b+ D0 B: v itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- V3 h2 B2 x- u9 g: D VariantInit(&requestVariant[0]);
' H1 y/ c6 `+ v' l2 _$ ]" ]( { requestVariant[0].vt = VT_BSTR;
7 D7 Z& d: y7 x/ N/ \, }6 Y$ W# J* p requestVariant[0].bstrVal = itemStr;5 v2 ~4 C" Y E+ d4 ]" a" c
: }7 J, T- A% e; Q
topicStr = SysAllocString((WCHAR *) L"system");8 }, |. o0 I; ~& k* a
VariantInit(&requestVariant[1]); " Z$ c0 n* x: u7 p3 [/ I/ b8 z
requestVariant[1].vt = VT_BSTR;" a/ E% q5 H* k7 X2 z
requestVariant[1].bstrVal = topicStr;
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7 s+ K6 j4 f) H: K) |// Set the DISPPARAMS structure that holds the variant.0 F- h1 b$ x' k7 v" X8 m
: f2 t' E# ~( J" T1 e% `- b2 b# ] dp2.rgvarg = requestVariant;7 }1 O1 [. H$ y5 v5 [5 Z; ]2 R; a7 p; @
dp2.cArgs = 2;& V. j/ |" r$ u8 p
dp2.rgdispidNamedArgs = NULL;& Y R( [6 H0 H6 G7 f2 D" Y
dp2.cNamedArgs = 0;
# \, k: i. \" c7 D$ N7 Q% j+ t
var.vt = VT_EMPTY;/ R/ T7 @, s6 n2 _5 `) _- X
/ q8 D. D Q% k) D( T3 S6 f// Call IDispatch::Invoke() R. s$ H7 M2 i0 i% C% g8 G
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hr = m_pDisp->Invoke(
+ w5 s; a0 R* ^" C0 }8 G9 T requestID,
. B2 N. b5 {9 e: N8 @ IID_NULL,
/ {6 i# e+ Q! \, |* | LOCALE_SYSTEM_DEFAULT,
3 `$ d: s& w+ P( W3 I DISPATCH_METHOD,
% D! _( J" j) ] Z3 E6 S &dp2,5 F: q6 T3 O" h8 g. r" o2 o# L* h
&var,
9 i" a9 Y: h5 n2 R" [ &ei,0 S' y1 `' I0 c: V
&uiErr);8 x; x' m5 V& d7 w; {/ P) r
. N7 v8 h& V" H1 [7 L; n* D SysFreeString(topicStr);
) c( R" ~- v+ H, J) @) A SysFreeString(itemStr);
1 c1 r8 J% x9 E( f$ ^, @6 B# S请问该程序是获得extend里面的哪个值?
+ |; ~$ j4 R' u2 X) p$ k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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