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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:
1 C& `7 F4 s7 M5 iName = (WCHAR *) L"Poke"; V. X& S+ A# X& J
- u3 x# B* S/ r7 F
hr = m_pDisp->GetIDsOfNames (
8 ^+ d) e7 t$ F' s IID_NULL, // reserved' o# s0 M. g @
&Name, // Array of names to get IDs for
& v0 n* }; L' n* O8 H 1, // # of names in the array
h! i2 A' R' N; Z8 E" H& m( E LOCALE_SYSTEM_DEFAULT, // System locale# P( |0 p) P5 } T% S# |
&pokeID); // Array of IDs to fill on output1 r) ]# D8 f* k2 v( C7 F4 s& {
+ t9 Z8 T3 q1 t' @8 \- q
if (hr)
% i; n: I+ b* N2 s. ?) k {
& j% D6 |) G5 r R6 f- F1 F/ e MessageBox ("Get Poke Unsuccessful");" ?2 B; D+ ^( a7 r, R7 m6 n& r
return;- a! {/ j9 e* U
}
) e" q) V5 \& t! }2 n7 O8 i
8 ]6 ~) G( C. ?+ L1 }3 S5 @1 E/**************************传递数据给extend**************************************/
6 U9 a9 W" @8 b; b. S$ }; x pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' ]3 g6 `* H( [& V2 u6 s
1 }( C- o( k5 Z0 S0 _. B/ z valueStr = SysAllocString((WCHAR *) L"1232"); \' ], W. f" Z
VariantInit(&pokeVariant[0]); - n. ~) A s! M- g
pokeVariant[0].vt = VT_BSTR;
, u: R1 K: N7 O* Z( X pokeVariant[0].bstrVal = valueStr;
1 w i* [: }% i: J7 c2 A& n5 K9 u0 g- w- m; }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 Q' O/ d/ _" N3 A4 r( Z
VariantInit(&pokeVariant[1]); ( ~% T# Z% C7 {, o
pokeVariant[1].vt = VT_BSTR;
8 s8 m7 ]; `2 Q# S# }; j pokeVariant[1].bstrVal = itemStr;
7 r( i) u5 ?& U) s' R/ s7 w# k/ R7 T! f" N" U. p) M
topicStr = SysAllocString((WCHAR *) L"system");; k9 j8 x) K# H! R
VariantInit(&pokeVariant[2]); / a% c; t3 H3 y! R) L
pokeVariant[2].vt = VT_BSTR;
' _; L8 E6 F5 P3 e! r% U pokeVariant[2].bstrVal = topicStr;' t: q' D# g0 P3 N
" N# G4 K7 ~! p# a, h5 V4 T// Set the DISPPARAMS structure that holds the variant.
) ?9 | z" y% j' A9 K
* h, {* l& r% z3 H( \ dp.rgvarg = pokeVariant;5 W0 [" R$ b" J5 i
dp.cArgs = 3;
1 [& e9 q+ A. u- i& F2 S0 @: k! t dp.rgdispidNamedArgs = NULL;( g0 r! W. o3 D0 X' a+ l
dp.cNamedArgs = 0;. M# B! Z0 m) ^: \5 M
3 h i& ~; M' H+ P: D, J. S- W: K
// Call IDispatch::Invoke()
! ]! B: v5 Q% R$ p7 J: s6 I! |' e
6 W' Y2 f% Z, F7 S2 g5 a! o2 L hr = m_pDisp->Invoke(
6 B6 z, `: o8 n pokeID,
1 N6 s4 a$ R0 S/ A) O, ~( H IID_NULL,0 R0 P) p* f3 V6 q8 Y5 f/ Y
LOCALE_SYSTEM_DEFAULT,
9 d3 I' r# V3 [9 B/ H DISPATCH_METHOD,! C2 K- S! ~7 N8 s3 V) E. C
&dp,/ f" [% a/ W/ [$ I& U1 g4 c, j
NULL," i" u5 Z0 i; q
&ei,
8 c5 Y& S. M1 B' g* m &uiErr);
$ {8 ^: r/ h/ F$ a i+ E
. A; n U9 K4 F @8 t2 E SysFreeString(topicStr);+ R/ ~( X& p0 m! r3 C8 u
SysFreeString(itemStr);4 C" {: P8 i" d" g: E
SysFreeString(valueStr);
0 L+ y; R# v H" W8 ~' x0 Z
" D: y8 R! c0 ~+ N5 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???. K8 L# c% 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???? J2 v7 _. S/ X$ c' f9 V
+ C0 j8 X t% \* i
( |2 @- E* g0 ^2.这是request的程序9 u8 k F$ d, O0 M& U9 s
// Request a value from Extend9 g! Q; f5 E3 X( y! E. @& i; G
//4 q2 t/ y1 _! h! h" `2 Z' O$ U
// Initialize the variant that will hold the BSTR. Set the variant's6 X" t% K& A2 l5 v$ [2 P |7 C
// type flag to indicate the fact that this variant holds a BSTR. Place the
0 J+ @2 I& M S- F// BSTR into the variant structure.
/ X! J1 [: z6 k2 w* ]( V) u: X2 ?0 E4 p6 {! _
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);1 l1 r; y8 g/ v* U" ~
) s+ m& w1 x, p' n* j* R
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! C$ S! d d" B e) I9 V9 L4 p VariantInit(&requestVariant[0]); 3 {- l3 D/ G0 t0 [, m3 W8 v2 [
requestVariant[0].vt = VT_BSTR;
) Z! D/ }. L1 g requestVariant[0].bstrVal = itemStr;
! _+ }1 | k- S( D3 M. x: H
$ i2 L3 d8 z' o8 ?. ` topicStr = SysAllocString((WCHAR *) L"system");
( R2 U4 K7 p5 |# G/ m9 f: k VariantInit(&requestVariant[1]);
* L5 ]9 ?/ m! n, I# Q requestVariant[1].vt = VT_BSTR;5 ]' T6 e* b( l! Z
requestVariant[1].bstrVal = topicStr;: Z$ _5 d1 p/ P4 d- T; N
: j8 C5 ~5 X2 n8 \1 _// Set the DISPPARAMS structure that holds the variant.
9 Q r3 y# Z: Q6 r, t8 C, @0 h6 ?+ O9 V% U
dp2.rgvarg = requestVariant;
: u4 v/ D1 u5 e/ i8 Z- r% |/ [ dp2.cArgs = 2;
1 @5 N& M: X- ?9 q& ^ dp2.rgdispidNamedArgs = NULL;% X0 W/ p! p7 K! s+ F3 i
dp2.cNamedArgs = 0; v5 S( S5 Q% ?
8 F3 a1 M. f+ s var.vt = VT_EMPTY;
/ f4 p1 M/ G1 S( |, }5 v
! e6 {" C- e5 g// Call IDispatch::Invoke(). @* f) o( B6 ]; Q/ U
+ m$ l L: B4 J3 Q! A, N hr = m_pDisp->Invoke(- M; r' I9 ?/ Z. c
requestID,9 S! @$ g6 L; G& N
IID_NULL, G1 z$ X! p1 F- P2 H: L
LOCALE_SYSTEM_DEFAULT,
! F8 w' s$ b6 N$ q+ C DISPATCH_METHOD,& B9 E! m6 V7 U
&dp2,3 n7 q3 w2 j5 k3 D* U" J
&var,
8 a. X0 j5 b' b &ei,, z& ~# n- V" h
&uiErr);4 k( \' o ?! ~: {3 H0 G$ C
0 Z' Y$ b) o5 o1 A& p9 O) A SysFreeString(topicStr);
' {; J* g. ^# X- h& u9 x2 [; R/ Z SysFreeString(itemStr);: \2 Z2 w8 \$ w$ B. z# Y6 Q* D
请问该程序是获得extend里面的哪个值? {) j* f7 s, [5 o
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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