|
|
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:
! a |, I, }% k$ FName = (WCHAR *) L"Poke";0 b: S4 S, \" t' h6 F0 Y. l
/ f6 N6 F3 X6 Q# f
hr = m_pDisp->GetIDsOfNames (
* _! j; D8 ?1 j; Z/ k2 h/ u IID_NULL, // reserved( k: A# w4 b; l2 W5 [' b
&Name, // Array of names to get IDs for
' A' `5 f$ Y' T, Z+ T) `- |/ Z 1, // # of names in the array
1 V6 t# ?1 D& H: X$ o/ n* k) t& ]9 V9 K LOCALE_SYSTEM_DEFAULT, // System locale& r" U1 A& G7 v P
&pokeID); // Array of IDs to fill on output
% M1 q+ `. k4 } K8 h. ^+ q* ?
: A0 h6 d/ S! J! S if (hr)
# U8 [9 U: N' e! g% Q {- C, M" {) q- w! J
MessageBox ("Get Poke Unsuccessful");+ W; N! N0 o2 a9 n6 N" y" S& \; e
return; p1 ^- X1 q- v, ~( y$ |% m `
}* ?, ^, \: T' ^( [% f& W0 U
0 Q* I* g5 {* Z; J5 y g5 N/**************************传递数据给extend**************************************/
/ I8 E, I) |& o/ s; V# |9 s# D pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
, H, {' Z- K: V" |# t. {% F
; d9 q( p3 i3 o0 B* F+ c valueStr = SysAllocString((WCHAR *) L"1232");
( x: L ]; ?+ w$ Y6 z, q9 E VariantInit(&pokeVariant[0]);
6 {- E1 m1 B/ Z pokeVariant[0].vt = VT_BSTR;& W) d8 e+ k* p* h3 H+ ^
pokeVariant[0].bstrVal = valueStr;
8 d# z# s& }) z- l/ r3 D% k$ N, k
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 v- d4 B3 P0 @. i: i3 R4 a VariantInit(&pokeVariant[1]); 8 r* Y- a& [- m* C' c
pokeVariant[1].vt = VT_BSTR;
) p6 [6 s* ?9 h' K2 U pokeVariant[1].bstrVal = itemStr;/ W, C: A: J! r) d
8 \! f. _1 p6 {8 L# ~$ O topicStr = SysAllocString((WCHAR *) L"system");( x- p. c" C. h0 t2 g
VariantInit(&pokeVariant[2]); / W# e9 s1 a9 d. }. ^) C
pokeVariant[2].vt = VT_BSTR;
1 b; ]$ P$ V. V pokeVariant[2].bstrVal = topicStr;# U3 P; H2 f7 x# T
+ N2 _0 T' ?- P& P, q. I7 X2 |8 W3 K
// Set the DISPPARAMS structure that holds the variant.5 S) t) U* D3 k6 @4 |
% t0 K% v! S4 {5 p$ b5 ~" ` dp.rgvarg = pokeVariant;2 a( m1 Z- H7 c4 P' Y
dp.cArgs = 3;; L, {$ w# g0 d8 w
dp.rgdispidNamedArgs = NULL;
# P& P4 k3 b# G dp.cNamedArgs = 0;& C) e H& h- x2 G$ {" b4 b3 M( N
A: X0 ?9 q0 ?, |, _* J// Call IDispatch::Invoke()7 M, ^& U+ _, f/ {. S. n) t
) d4 [% I O2 }' ? hr = m_pDisp->Invoke(( U; A' L" S/ g+ m9 l! H
pokeID,
0 q/ V# }/ e1 K, i: V& `+ h IID_NULL,
6 K, O) a% G" k& G LOCALE_SYSTEM_DEFAULT,( _2 W9 s6 H z3 u+ W: m1 q, W& f
DISPATCH_METHOD,
+ W- w4 [& J% s7 f. u; I: ^$ z% U9 j &dp,8 _6 ?; R4 m% N4 W. o
NULL,
0 h8 D* H9 t. F- y, b0 l &ei,
- |( \. C6 |# {" K4 X* ^& } &uiErr);
2 m6 U) ]; S( A" Z* k
' b2 W% ?! t# C6 z/ q SysFreeString(topicStr);4 B3 ]9 Y. C$ ?. s
SysFreeString(itemStr);
9 ^' ]6 p4 J. o, g" `, ] SysFreeString(valueStr);
2 w0 j+ R' @3 P/ j* s2 m
% A! l) Z9 O# i8 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???) Z; J5 V/ 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????
* p. J- z R: ~- X1 F) A
9 G/ J4 K( r, R# ]& U( t: i2 n' W- h- z
2.这是request的程序/ Z2 x5 C+ j2 `4 h/ i+ l l, [
// Request a value from Extend9 B+ D" Y0 l7 P7 d& V; }
//" U5 n3 `7 n( ?- l" v
// Initialize the variant that will hold the BSTR. Set the variant's
' G$ M9 M. o( n1 n+ d// type flag to indicate the fact that this variant holds a BSTR. Place the8 l8 ^( ~5 Y0 o7 J
// BSTR into the variant structure.
4 I# k- L- h0 g/ S0 |! J* s0 x7 L& w+ v
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ P9 n" Q, w3 T1 @ - G7 M/ }; Q; u3 y& K
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" G) u0 |) Q0 P; ]" m( _) R
VariantInit(&requestVariant[0]); 1 \* M8 _/ h" E j$ _% k) a1 \# Y
requestVariant[0].vt = VT_BSTR;
' w6 u9 O! [& F3 A& [ requestVariant[0].bstrVal = itemStr;4 ]. s& I+ T* D9 M" i( p
% J5 f; z* ^! j6 G- p1 {
topicStr = SysAllocString((WCHAR *) L"system");
- I6 A1 y4 u+ t6 a ^ VariantInit(&requestVariant[1]); * b. z# ?0 s4 h' L) V' J
requestVariant[1].vt = VT_BSTR;
C+ E7 k, U: q6 [! C8 a* l requestVariant[1].bstrVal = topicStr;1 c: s4 }9 d, Z5 p! I9 `
$ l7 Y' k2 C' W7 V' T$ B! }9 M// Set the DISPPARAMS structure that holds the variant.# e$ i: ~1 { U5 b4 g4 s3 A, l4 }' M
# U8 q) p0 T! K5 q$ N dp2.rgvarg = requestVariant;
) C6 W+ l/ ?' C4 f; |9 u8 ` dp2.cArgs = 2;
& _7 V' ~& R4 C4 } M* P8 k. L8 J0 a3 F* X dp2.rgdispidNamedArgs = NULL;
1 J$ Z* J* C1 j. ] b9 a, q dp2.cNamedArgs = 0;
1 j1 Z8 g- g( O- Y" ]: c( Z+ N" }
+ @) s; m4 `5 B, j8 I8 {+ { var.vt = VT_EMPTY;$ |# N# t- d5 p* s9 c! r, X
1 ]( r: E: `' z6 l, z
// Call IDispatch::Invoke()
. {! ~9 W% V6 k, }/ u K: B% s* S+ P6 x# E* r6 c# U
hr = m_pDisp->Invoke(
8 e ]2 H) l# C9 s requestID," f# K7 b4 d( W! g& h/ }
IID_NULL,- j+ B# x, _ m. y0 a8 ]
LOCALE_SYSTEM_DEFAULT,
, `5 P" j! I" \- N- F+ ?9 ?0 B- e DISPATCH_METHOD,
9 l5 u( f, V# w/ Q. O7 q9 Z, i& S5 y A &dp2,7 \4 C& K- F3 V, O# }' g% Y
&var,2 V* B% a* O; N. a D
&ei,
- Y( ~5 Y' `' q' k0 | &uiErr);
+ m# W; @( r3 x
( {' l/ p$ e/ }5 o$ I9 T SysFreeString(topicStr);
' _9 R! |. ^. E$ b- I& M* R& [ SysFreeString(itemStr);
[5 P4 b% ]: h% A请问该程序是获得extend里面的哪个值?
) e" v7 U+ ]+ O( N$ Q. `# m2 f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???? |
|