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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: k. Y- Q# U% N& X$ H# W
Name = (WCHAR *) L"Poke";
: Y [- k2 ^) o( k2 e. i! P5 | ) O3 Q7 d% f" Q" e- T& _
hr = m_pDisp->GetIDsOfNames (
~% T4 u' E( D4 _+ L IID_NULL, // reserved
7 r5 c; o! i. [ P5 w &Name, // Array of names to get IDs for- r) G: z$ v$ K+ r2 R
1, // # of names in the array; B4 F/ [4 d# L I# f+ t
LOCALE_SYSTEM_DEFAULT, // System locale
' r; G, `: H0 N &pokeID); // Array of IDs to fill on output
! `. M O% x# |
$ ~& Q& a. s# [: Y+ _# C if (hr)
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MessageBox ("Get Poke Unsuccessful");3 P5 i& m# n; K+ l# g
return;1 U9 |; D& h9 O$ ]
}
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/**************************传递数据给extend**************************************/% ~8 N2 u% z$ F7 @5 [! D/ b' T! c% d
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
' K2 _9 i* e; ]& C( Y. H* c7 j
2 F8 J( j2 ^+ G* ~+ n% X valueStr = SysAllocString((WCHAR *) L"1232");
' k/ [5 _5 y$ n# w( F. n; z VariantInit(&pokeVariant[0]);
& [# s* c! ^8 T5 {2 H pokeVariant[0].vt = VT_BSTR;7 ] n5 |9 M( b& H+ L3 H7 J
pokeVariant[0].bstrVal = valueStr;2 V# X. ^* Q' {( I' \) @1 d0 w
* J# S8 [- l$ d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 V0 Q) o% z/ Q. m! r7 C3 G9 D
VariantInit(&pokeVariant[1]);
" ?. x4 q+ m7 r8 d. p* v0 [* Y pokeVariant[1].vt = VT_BSTR;3 g9 K8 N: ^4 W; _: ?
pokeVariant[1].bstrVal = itemStr;
& ~1 h+ d! ^4 s+ A8 z8 H* b1 F, E) |
topicStr = SysAllocString((WCHAR *) L"system");4 I+ L2 k+ T; z8 i: J
VariantInit(&pokeVariant[2]);
& ]) y4 S, v1 B# P pokeVariant[2].vt = VT_BSTR;" F5 Z7 y* Z+ n9 ?, X- `
pokeVariant[2].bstrVal = topicStr;# C9 e2 |- X' ]1 y
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// Set the DISPPARAMS structure that holds the variant.* ?7 E* |6 k0 t8 N9 k9 P' @. o
* G: [/ [1 g/ E0 k _1 [
dp.rgvarg = pokeVariant;
2 V3 P* b6 K7 i. K& J( g1 B% \) ` dp.cArgs = 3; o+ y& `0 t/ j6 E& N
dp.rgdispidNamedArgs = NULL;
7 l' t3 f3 _# q$ j7 W) | dp.cNamedArgs = 0;
# g9 T0 {+ l: O2 k# }- l1 l
! p& S+ _" Z4 c9 ~8 @! F. R9 y// Call IDispatch::Invoke()" W& f" @% [) G, A2 p
1 c8 e' U0 C4 D
hr = m_pDisp->Invoke(
( m+ B, s8 s' f+ R& y( | pokeID,
% G# U- _9 K5 q6 G IID_NULL,! m8 x& g0 S- E g$ }. _8 f
LOCALE_SYSTEM_DEFAULT,
- ~7 a( D0 d% _$ y' Y# X DISPATCH_METHOD,
+ o% x+ x2 x+ A! h &dp,
. L4 c( N( S; o/ F( {3 }. J! P NULL,
! J0 z. U5 E6 t &ei,. e0 v% f- W4 p! K; ^
&uiErr);9 \! C+ s5 Y- y& U. A: R( H
9 y1 @! s- ?* j# K: m
SysFreeString(topicStr);
$ `) ?3 G3 B8 p+ h0 u* L; ^ SysFreeString(itemStr);
, B$ E: i& h) M' n8 l4 e1 R SysFreeString(valueStr);
t2 A9 M3 }5 x; P2 Q$ C1 I% v' {& Y8 x" p4 l }. I
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???
/ i! n: } b. f# P& |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????+ |6 B( y7 @8 C% d. ~7 ^4 Y
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2.这是request的程序2 c1 I6 v" P( X4 j
// Request a value from Extend
8 P% \8 G) h2 N7 @; B//
2 ^! Z% r, e; v# E// Initialize the variant that will hold the BSTR. Set the variant's; ]- X, B0 B+ Q' U
// type flag to indicate the fact that this variant holds a BSTR. Place the0 y# s6 v# I$ {, F6 e5 I1 l
// BSTR into the variant structure.& W/ n, C- ?) ?4 M* R2 F
+ v/ t4 Z; V; m" R requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
: L) a( H+ a) b; s
- Z& o, h, K$ @& Q& y+ N itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" U y" q( g0 l# t
VariantInit(&requestVariant[0]);
0 {5 ]$ i, t2 _3 n requestVariant[0].vt = VT_BSTR;1 ~! Y' Q" q, ^) r
requestVariant[0].bstrVal = itemStr;6 n! n/ Z+ m6 D7 R! D4 X1 j9 L
$ A7 Y/ |* ]: F/ t- n8 ~7 P topicStr = SysAllocString((WCHAR *) L"system");
# l4 R% s$ A1 j" a ?/ [8 ]% E VariantInit(&requestVariant[1]);
# B4 h e3 ]- ^8 ]- {0 X requestVariant[1].vt = VT_BSTR;
5 a1 a1 c; E6 a! ^1 V n% _ requestVariant[1].bstrVal = topicStr;4 r9 [0 v6 N+ D5 Z
& |+ y" H" ?" v+ C* D- T6 C// Set the DISPPARAMS structure that holds the variant.+ }2 o/ j% S. K, C: m) }% p6 j
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dp2.rgvarg = requestVariant;3 [+ g+ I7 r b: \* P' B
dp2.cArgs = 2;7 c4 a' M: ~! Y' M, X5 ~
dp2.rgdispidNamedArgs = NULL;
2 }4 G5 l$ f9 ]9 o# y! |6 V dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()- t* J X3 j8 j6 p/ y' U* \: r
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hr = m_pDisp->Invoke(
: B, w* Y# t Y* R0 i* I8 ~- o- r requestID,
$ e3 V ^! ?. a# j" H2 u0 c IID_NULL,
' f# |1 v# z+ a2 L* [" O. X LOCALE_SYSTEM_DEFAULT,4 L m% U/ W# p- M. o8 C9 d
DISPATCH_METHOD,
. ~( r2 _. L* _5 ^ &dp2,0 d; i( x8 t! {+ h1 u# P5 y+ H
&var,
# f8 @# Z! R* G &ei,
# v! D. k$ I% G( J &uiErr);
1 y0 R" @7 R" v' K- k
; N9 j$ o/ N; M SysFreeString(topicStr);- S. ~" ^4 x. I# X: I5 a+ v
SysFreeString(itemStr);! Y: r+ E$ p2 c
请问该程序是获得extend里面的哪个值?4 U" H3 }( ^9 y# V; I% h" T
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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