|
|
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:
% u3 X4 I1 E. g, fName = (WCHAR *) L"Poke";/ q& z: |. h0 ]3 V1 C+ f
) ]' D# o* R$ _8 \ hr = m_pDisp->GetIDsOfNames (9 s) q3 ^, L @, ]; E
IID_NULL, // reserved
1 U2 u' Y' @* |4 B5 K K &Name, // Array of names to get IDs for' `9 K0 }" ]: M& Y
1, // # of names in the array) m5 x& f' Y6 ~1 ?
LOCALE_SYSTEM_DEFAULT, // System locale8 P5 A$ n) _. A* e2 q! e5 w
&pokeID); // Array of IDs to fill on output @3 h; Z n6 ^
: b$ W$ R& s. w2 \; L. \/ u1 b* x
if (hr)2 N: q# j- H7 a! S, K4 y
{1 n: _5 D0 z0 O! P
MessageBox ("Get Poke Unsuccessful");4 G0 V& K- x" ~9 s2 j
return; G8 Y+ ^% T* ~+ H3 I
}
. v5 s. n0 S& A5 V5 w/ X( ^, {
# i( e) w# F+ D4 r, j$ l* ?( O; d/**************************传递数据给extend**************************************/, w3 M( |3 B ^% F$ A3 V- t" m
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! B3 L5 o0 e7 R) B6 h8 L3 U
; |* J. z) x8 ~( ` [1 ]
valueStr = SysAllocString((WCHAR *) L"1232");6 b3 X/ S" |1 ^$ g4 G, x/ f$ I5 f
VariantInit(&pokeVariant[0]);
6 R \1 p/ o2 l" b0 h* ]& [ pokeVariant[0].vt = VT_BSTR;
' d8 B# {3 [3 L! x pokeVariant[0].bstrVal = valueStr;
* y/ `) J! J: d1 R; M1 N9 w7 M0 v- ], K/ c( R- x% ~0 u
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 J4 G6 \' w& E" h2 I: ~
VariantInit(&pokeVariant[1]);
( T# N$ g0 v4 ]4 `% P+ K pokeVariant[1].vt = VT_BSTR;. v% c, E! H# W5 C f2 a% u5 V
pokeVariant[1].bstrVal = itemStr;* c/ R ]% T$ j& ~
1 b8 n4 G, `! r3 k. O" x topicStr = SysAllocString((WCHAR *) L"system");# d8 O# |4 M5 @: z0 h/ H. K" p
VariantInit(&pokeVariant[2]);
6 P6 v" ^: U6 V$ _+ q1 F/ I pokeVariant[2].vt = VT_BSTR;
! N0 D; z% U# Q. V, c pokeVariant[2].bstrVal = topicStr;
6 K9 i3 _ c% I J6 E5 K5 H: `- B
3 b5 t- ]' d v/ Z// Set the DISPPARAMS structure that holds the variant.
- V# P: [- ?% N' j8 w/ X+ |7 ]. D3 F
dp.rgvarg = pokeVariant;
5 p* a# e' W: h6 \7 h4 o dp.cArgs = 3;7 B5 {+ w# v, j9 P6 @0 v5 E- n
dp.rgdispidNamedArgs = NULL;
3 q7 C0 R* `6 h5 S$ D- {9 a' H dp.cNamedArgs = 0;; O. P! h) [. ?8 u X' Y& \
5 a! X5 ^# ]9 Z, l2 x- i// Call IDispatch::Invoke()
- h1 k5 f% v/ {
4 K7 V) Y- b/ J9 A' J hr = m_pDisp->Invoke(/ s* G, d8 z3 H* b4 f. e# d% e
pokeID,
4 X( z% @8 C3 f* z3 L* f; I IID_NULL,
' | X" d3 \5 H3 A5 G# A- g7 f LOCALE_SYSTEM_DEFAULT,
' N7 r) D/ \. D4 [) r5 y- _2 ^ DISPATCH_METHOD,5 D' J9 ^1 x' J( @
&dp,
% C' y8 L4 p5 \( ?8 `: z9 h& V NULL,
( a1 w& E+ l& F1 T &ei,
: L: i, y {1 u* q: L, a/ }- K5 R &uiErr);
5 I8 U/ l( @: `% V! V% }2 X# k% ~9 C* R+ A X; o) ~
SysFreeString(topicStr); K, z- i( |! R
SysFreeString(itemStr);3 b9 |' o5 R6 ]; T: ?
SysFreeString(valueStr);
- h. u" U5 C2 I) b4 ~
2 u: M5 h; k E1 V! V- z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??? k6 W: \8 A8 [- q9 o
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????
3 b. Z4 y% _! Q f* k9 T# D% x% P2 f& G$ ~2 [3 D, o4 j7 X
5 A9 D4 R9 V* _, ]( f2.这是request的程序
) m- J' K: t8 V6 Q' g// Request a value from Extend7 t* s0 H. V$ u! n6 j P
/// O$ \ s" d1 s" @. X9 H9 |
// Initialize the variant that will hold the BSTR. Set the variant's' `) j' b* c5 [3 I
// type flag to indicate the fact that this variant holds a BSTR. Place the
' B) @6 ? G' `% W0 \// BSTR into the variant structure.
/ k& v- x; y6 b3 ]- F2 `/ N4 `
' X \& H+ C7 W7 h) Y! a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);2 X8 m; `+ V, ^$ I
, f8 b c2 g- N# z8 S
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 H3 z! o( K" i7 ~9 Q$ j- `
VariantInit(&requestVariant[0]);
$ q: {# _$ b* ^2 \ requestVariant[0].vt = VT_BSTR;3 X0 U7 F- p5 [! j- V2 U
requestVariant[0].bstrVal = itemStr;
/ _" C! \! k4 T4 o- _! D% B
: |2 }+ [3 X+ H9 Q0 H topicStr = SysAllocString((WCHAR *) L"system");
, z$ f: Y; V7 u" x$ x [' m4 _ VariantInit(&requestVariant[1]);
2 i: B% P; u7 _6 u/ o( I5 ~. I requestVariant[1].vt = VT_BSTR;
4 V: \; @, V; ^% [: G3 u4 U requestVariant[1].bstrVal = topicStr;8 h8 G0 }7 {% y
8 m, ~( t" J( U5 Y0 a& M// Set the DISPPARAMS structure that holds the variant./ j( x4 V' G7 k# T a" H; H
' e# @/ z- d. f: P! ? dp2.rgvarg = requestVariant;9 `* ~2 g5 N8 e3 h: p4 ]* C
dp2.cArgs = 2;
6 l2 I$ T7 i: j$ X3 ~& A2 v9 \* e, s( D dp2.rgdispidNamedArgs = NULL;
# s1 v/ c# I3 `2 g+ \$ f6 _ dp2.cNamedArgs = 0;) W) v0 N( q# s7 o/ I5 g
: D; F1 L8 o, v1 A' j$ ?$ g var.vt = VT_EMPTY;/ D% |" |4 ^1 p) j* p+ G7 b* e
1 q( `0 w2 u+ o E1 L
// Call IDispatch::Invoke()
- T% t- }" M2 J* M6 S4 |5 t: A) C4 T4 h( R- g6 P
hr = m_pDisp->Invoke(
9 r, K( |# L3 W s* M requestID,' K2 ?' O2 t9 [5 r3 H% j$ ^% N
IID_NULL,8 p9 j$ n1 t( Y/ s
LOCALE_SYSTEM_DEFAULT,8 I6 Z5 y6 s0 l
DISPATCH_METHOD,
0 Y% k5 o7 R x' X" A$ q &dp2,
6 H# r9 ~3 n& {. w% @ &var,
4 p, e! f4 Q( R4 B &ei,
6 r( R, t: U0 P3 G &uiErr);, {: D8 D/ _: i: A
2 S! X7 R" f) s8 y% f' g SysFreeString(topicStr);
- x0 o, w/ U+ b: I( O) s SysFreeString(itemStr);
0 _9 k- X6 Q6 S; b, R请问该程序是获得extend里面的哪个值?
3 I+ {3 g% E K( F% V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???? |
|