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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:
w* ]2 J) }* tName = (WCHAR *) L"Poke";# h/ Q. f3 {& h
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hr = m_pDisp->GetIDsOfNames (
* i; l. [( Q/ M8 f# f. p IID_NULL, // reserved; g+ c0 l4 z- L4 i; T: l# `9 |
&Name, // Array of names to get IDs for$ }( \7 q$ A# r! ~
1, // # of names in the array5 v0 C5 {8 I1 W5 k8 O3 t
LOCALE_SYSTEM_DEFAULT, // System locale5 X) x3 Y: I& q2 @. j# s2 Q. [' x
&pokeID); // Array of IDs to fill on output b+ w K h$ z5 h
1 y# ^. Y2 K7 w( P& r if (hr)
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MessageBox ("Get Poke Unsuccessful");* u7 d* T0 l0 L
return;
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7 y8 x; w. V- q4 b, ~/**************************传递数据给extend**************************************/
0 B+ `4 E3 z& l4 C0 R9 b pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( ]) T5 Z1 w e3 B
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valueStr = SysAllocString((WCHAR *) L"1232");8 P& W+ o' B1 h/ O
VariantInit(&pokeVariant[0]);
# P" d( l8 F( F* Q2 X1 s: y1 z2 _ pokeVariant[0].vt = VT_BSTR;" c/ h) V/ k0 v4 F7 t
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ S M9 A3 m2 B4 M# }
VariantInit(&pokeVariant[1]);
& i' K- d1 O& ]* I! f( z) J pokeVariant[1].vt = VT_BSTR;$ z; y- x( b* e! S
pokeVariant[1].bstrVal = itemStr;) `8 Z6 R1 a1 C; ^2 \
! _' K: z. g* C U topicStr = SysAllocString((WCHAR *) L"system");+ G) O: K# D# T, F' [/ q2 E
VariantInit(&pokeVariant[2]);
4 R# N5 O1 i+ S/ \& n- }! u# Q pokeVariant[2].vt = VT_BSTR;
: d, l1 G+ ]% p8 k2 j pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.+ w$ L) i; H3 W6 K; m- O
5 A) n8 \2 \; | o- Y/ q( }# \# ? dp.rgvarg = pokeVariant;( b- e6 X, m$ R. i
dp.cArgs = 3;
* g6 h& u5 U$ g/ f& b4 n dp.rgdispidNamedArgs = NULL;) k" G8 c/ d- G2 Y% R$ H
dp.cNamedArgs = 0;- { n! }( M7 R& Z- l
; V& e5 c9 ? e Q h2 B4 O// Call IDispatch::Invoke()( D; W; U8 z7 I# d! t
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hr = m_pDisp->Invoke(" ]# x/ k5 V+ }4 k# ^4 T8 V% @
pokeID,
& o3 ?8 w, K9 a `' o% P8 l. w) Y IID_NULL,
2 W) f* g1 l; r+ u LOCALE_SYSTEM_DEFAULT,
/ ?& {9 E- V: K E+ C0 @, J DISPATCH_METHOD,
2 M( D$ e5 c! u1 T% g3 O. K) S &dp,
' e6 \4 P& r+ h( ]+ j: [ NULL,4 y- X/ s o* z: `) X
&ei,% d6 A; F; X- b
&uiErr);
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SysFreeString(topicStr);
0 S, u# e' z% V* a( p z: x) `8 ~ SysFreeString(itemStr);
6 r9 r/ Y4 ] w- ^' u0 B0 n& a SysFreeString(valueStr);- p2 E4 R5 A; ?; R& c. L; R
* U" t! B8 ?, b) w( J- i1 q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???
$ Q+ i. y. v& X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3 T3 d0 r2 q4 j. X
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
0 n7 G; |/ k0 |( P2 g' k) T1 y// type flag to indicate the fact that this variant holds a BSTR. Place the. u9 [6 v. k+ U
// BSTR into the variant structure.
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! {" v8 d' T4 M requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ G3 S9 d$ A9 N4 }: I
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' c! O; T* i+ ~" b) O VariantInit(&requestVariant[0]);
/ j5 K6 F7 y0 D/ s& z requestVariant[0].vt = VT_BSTR;% r v' F+ [( i" M( r) b
requestVariant[0].bstrVal = itemStr;8 {6 _1 s! P; S" y, g
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topicStr = SysAllocString((WCHAR *) L"system");
1 \. {: ~) `5 F) e/ O. F) L6 b VariantInit(&requestVariant[1]); 7 k: W/ g# B+ X4 E
requestVariant[1].vt = VT_BSTR;$ S/ g& y: A5 b# V; E
requestVariant[1].bstrVal = topicStr;9 a* t( H' y$ k/ v% E+ _3 r2 `
# g6 I7 q$ r; G. |# \// Set the DISPPARAMS structure that holds the variant.6 F" _- e: ~* R) R V
3 ^1 a! a# a) ~ dp2.rgvarg = requestVariant;. s p2 ]& K1 U7 f
dp2.cArgs = 2;% l+ {* j* s& T& t4 a; \
dp2.rgdispidNamedArgs = NULL;
2 u2 K4 M0 K. i dp2.cNamedArgs = 0;9 m2 V+ ]# L/ d6 ~; \: ^
7 L% {# }" I2 h' s3 x var.vt = VT_EMPTY;
# x9 T( F; Z: z$ `7 `
8 p* _+ Y& p$ c' ^0 x" Q# S// Call IDispatch::Invoke()' v5 U6 L% V' |; j. o7 t
* T$ C3 A0 v, }8 i. b1 f7 | hr = m_pDisp->Invoke(
7 c# @: W1 L0 j* a. k# H V requestID,( q$ R4 ~% m) c# r
IID_NULL,
" g) `$ q3 E7 C" R2 v LOCALE_SYSTEM_DEFAULT,) Q! j( ^6 m+ X& z2 g
DISPATCH_METHOD,
$ f4 |' z: \" s* i# [1 C/ U &dp2,7 k. _" j8 |8 b# M* L+ S+ ]
&var,$ |6 v5 k. j' R7 F; |: ? A2 i
&ei,( [/ ^/ Z) y! [. {& V# L
&uiErr);1 I5 j4 z+ e9 x* G# a1 R
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SysFreeString(topicStr);; t- k$ a# e2 P7 o
SysFreeString(itemStr);
7 c# u8 H! o0 \请问该程序是获得extend里面的哪个值?: H7 l! |) z: F4 n% 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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