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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:( Q" v, c; `: i5 i7 X6 r
Name = (WCHAR *) L"Poke";
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# r2 @' w$ z, h$ G, C hr = m_pDisp->GetIDsOfNames (
8 s u- w8 q b* U. D; q( k IID_NULL, // reserved2 g) X( x, u* S
&Name, // Array of names to get IDs for. t( A% Q2 _7 b6 t
1, // # of names in the array9 _- ~* X- q: i8 A+ q, A
LOCALE_SYSTEM_DEFAULT, // System locale
# v7 ?6 _3 r& S2 u; a &pokeID); // Array of IDs to fill on output
% H4 U: F( T: [* O . d0 I2 U+ H8 A# @" D; U
if (hr)' p r: z4 t; Z" _
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MessageBox ("Get Poke Unsuccessful");) P6 j/ n! ^. _* f9 S/ a5 |+ ?/ `" Q
return;- {4 B5 |# l+ h! |( N& M
}
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/**************************传递数据给extend**************************************/' K# x" ]# w2 K- I. K3 s+ k
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 O. j a# b& {8 b) j
# e9 H8 ^% i$ W8 F
valueStr = SysAllocString((WCHAR *) L"1232");
6 T- l* |/ q5 @9 C# K VariantInit(&pokeVariant[0]);
: k# y! c! ?: X* t t1 q- W pokeVariant[0].vt = VT_BSTR;
# u7 d0 O1 w* w5 p* L pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 C" E& j* O6 e7 J2 E2 a# {7 T VariantInit(&pokeVariant[1]); % d: T/ M) `# H
pokeVariant[1].vt = VT_BSTR;
! {' R' c* C1 x# o# n, C2 ^ pokeVariant[1].bstrVal = itemStr;2 Y( k$ i9 g8 \3 U
; O+ E& @9 A7 S3 ?. ~5 R topicStr = SysAllocString((WCHAR *) L"system");$ @7 ]: K8 U' J+ ?' b* e
VariantInit(&pokeVariant[2]); . k: G0 ^% T3 {; m. M
pokeVariant[2].vt = VT_BSTR;
& j p, t% O9 E3 x( p1 M& F, }. L pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 r) t8 J4 a& c U8 \
9 [! x4 ^$ r/ x0 h: {7 p' ?& w% ^ dp.rgvarg = pokeVariant;7 C! {; }3 |* p6 Z( Y, g! U
dp.cArgs = 3;
7 l3 \9 t/ u- N f dp.rgdispidNamedArgs = NULL;
W9 i! Z6 ` \! E dp.cNamedArgs = 0;6 ^6 K+ `* }0 H8 |+ i' p( b
. {) Z8 o- o0 w4 n4 T) y4 h
// Call IDispatch::Invoke()- j D9 v8 R4 i2 L4 @" ~
. Z ^) q5 a1 R6 M# L( } hr = m_pDisp->Invoke(
5 T1 s0 I+ _. x5 l& A" d! F, S) Z pokeID,) T7 \: X9 H6 K; u0 t7 ^' H0 W" r
IID_NULL,. y& {- g+ u- w5 W6 l
LOCALE_SYSTEM_DEFAULT,
% k) V5 {8 V9 ~) t: Z DISPATCH_METHOD,
% a1 n0 T: [5 D' O1 _- H8 J, k &dp,
L9 k0 F% F5 ~4 R NULL,
& _3 i" d2 X w; V5 [& F8 [ &ei,
* p) q) k/ b% Z7 R3 n; x &uiErr);
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SysFreeString(topicStr);. u% y y! [7 F! C6 k9 |
SysFreeString(itemStr);
5 F6 |3 h* h* T/ K SysFreeString(valueStr);7 Z. c; G r* y. @4 d
7 h7 R. U) ^/ u" f. E. F5 L3 o- p
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???
9 {( Z3 f5 b1 c# \! M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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+ l. T: {9 x: T1 q1 j5 U3 I7 `, N
2.这是request的程序
! C- t( G# V r6 L* X// Request a value from Extend
+ O* J# R- L7 b' R+ k0 Q//
, X" F1 H0 h# Z# ^; f7 ]& p0 ^// Initialize the variant that will hold the BSTR. Set the variant's
4 ^$ \& t$ v% ]. A1 i// type flag to indicate the fact that this variant holds a BSTR. Place the
$ k; y* c" a4 H" o! i G// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. I0 `' c3 |! Y" H
! O" m I2 Z: h* a' h
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ S1 o+ ]5 Z( k3 |( A
VariantInit(&requestVariant[0]); : Q+ ^5 r: H6 m { R2 n5 ?/ q
requestVariant[0].vt = VT_BSTR;% t3 D. N" C( l" E6 v& _6 N
requestVariant[0].bstrVal = itemStr;$ a p. I# H& o0 z
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topicStr = SysAllocString((WCHAR *) L"system");
5 v4 N7 r) b( ^" H. l$ G$ G3 ` VariantInit(&requestVariant[1]);
: |! w2 ?# i$ u, ]9 \ requestVariant[1].vt = VT_BSTR;
! c3 g) [8 l! p) n$ y8 w2 w& Y requestVariant[1].bstrVal = topicStr;
8 u$ `2 I9 \: z; P" _
7 h( Q6 c2 m2 h* C# ^2 l9 q5 h3 x// Set the DISPPARAMS structure that holds the variant.! Q1 s5 _4 G9 i+ z N, v& Z
$ O& t0 \+ \2 w6 S& p1 j4 _' Z dp2.rgvarg = requestVariant;
' L5 K: A' R* n/ M" c dp2.cArgs = 2;
* V+ C! |9 B2 ~9 C dp2.rgdispidNamedArgs = NULL;) a' }( R: x: X* `+ p' Y9 H' n
dp2.cNamedArgs = 0;
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5 n6 p1 [4 ~- F/ G7 ^. ` var.vt = VT_EMPTY;% K% C4 j( X3 w8 p" A
1 J+ s, \& p) x2 U0 P3 X// Call IDispatch::Invoke()
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' L2 A& M$ h) P* I' U hr = m_pDisp->Invoke(
; x. ^4 i4 g, q% @" U, y( L5 B requestID,, K, q# w' ^) B2 |
IID_NULL,
8 l' n. T2 [; F' ~- `' m, @ LOCALE_SYSTEM_DEFAULT,4 W( O. }# O7 h5 ^6 p
DISPATCH_METHOD,
! h4 q& \5 V( t ` &dp2,
& W6 y* u4 p) G# O. T, J% a &var,
7 z% O0 t S* _ &ei,
* `) c- i, m1 V6 G7 e/ r7 G( q) w &uiErr);) R8 n$ i) D" n8 t* w
& ~' A0 e5 ?; S, F' c1 n* y SysFreeString(topicStr);
$ A3 G5 \, m; O7 `) R/ @& J SysFreeString(itemStr);% G3 \/ M/ `$ M8 P; t4 g$ d
请问该程序是获得extend里面的哪个值?% B. m" G# R5 m" [
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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