|
|
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:0 ~6 k# y6 b& C; O
Name = (WCHAR *) L"Poke";% ]8 H0 j( \# h, j
4 ^8 i+ G# h5 b& Q! i
hr = m_pDisp->GetIDsOfNames (
9 T' d' M8 h& U# u! Z4 v0 n IID_NULL, // reserved# A& c) \- _& R7 |1 E3 m; z
&Name, // Array of names to get IDs for
8 @$ B& B- w0 g% u( p 1, // # of names in the array
- Y+ |, i# [. n, C LOCALE_SYSTEM_DEFAULT, // System locale& m; x1 w0 ^; e) Y
&pokeID); // Array of IDs to fill on output1 v( }$ y5 }/ [5 ~! Y8 ^/ t
% x) r! e( D6 K( T3 ?& f3 I
if (hr): {7 Z: Y- K ~+ b0 C
{6 c+ z) I F5 F: h! w
MessageBox ("Get Poke Unsuccessful");1 h$ A3 j% K7 I- Y- x
return;
2 x, `5 c& L1 I( m }
! C+ l @ T) Q! h1 n/ k7 `
- Q3 B" R8 a8 q. N" W/**************************传递数据给extend**************************************/
3 G; ~1 _5 Y' h) y- A pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
8 l9 R$ `7 S2 @6 O
2 V U% ?0 V* c1 B0 p7 n( P8 a# O4 f; ]( d valueStr = SysAllocString((WCHAR *) L"1232");" e: }) R5 V' ?$ m
VariantInit(&pokeVariant[0]);
5 c0 U1 ?: I/ d; L9 B6 c u* \ pokeVariant[0].vt = VT_BSTR;
( ^: W1 X Z( }7 ^/ u( n pokeVariant[0].bstrVal = valueStr;1 t P9 k q0 v4 U. g
; U8 A. v2 h n5 a; H
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" i$ l( @# i* }/ R3 K
VariantInit(&pokeVariant[1]); ! e U0 b8 y! y4 X1 s- H R
pokeVariant[1].vt = VT_BSTR;
4 c1 S. @1 T. |/ k& y0 Y pokeVariant[1].bstrVal = itemStr;
b- O1 d; a, N$ ~6 {0 ]2 m5 E4 ]
1 i/ n0 G0 Z: y z topicStr = SysAllocString((WCHAR *) L"system");3 B- m5 [& v/ p; C4 ?
VariantInit(&pokeVariant[2]); 1 N3 p0 k0 E4 Y8 t
pokeVariant[2].vt = VT_BSTR;' `0 ^) Y: J& x R1 s
pokeVariant[2].bstrVal = topicStr;
& d9 ?3 c. j. v/ q; i
5 V. j! d; Y6 G8 N( L6 ^ }* U// Set the DISPPARAMS structure that holds the variant.
7 _5 q" z5 y8 i) {' U0 C7 U7 j9 t
2 y; G( v' ?% t0 `6 x dp.rgvarg = pokeVariant;
E/ l6 Q* Q; O0 }; ` dp.cArgs = 3;
5 {9 h1 h Q( |1 g dp.rgdispidNamedArgs = NULL;
8 y9 Y! u0 ]! y! }6 ]0 a& v dp.cNamedArgs = 0;0 M' Q, ?; ^% J, `3 N, c% @8 d
% F$ g0 ]1 ~) X) x. [& w
// Call IDispatch::Invoke()1 A- h3 g+ M. S2 W8 P
$ `7 g1 N. w& b. D: V+ H' [5 W
hr = m_pDisp->Invoke(9 b" J/ v9 G! M1 Z l6 j( |; ~
pokeID,
) r8 H- f4 D/ B( F5 q2 b" I* i; A IID_NULL,0 U% `3 S; f$ q/ r+ C, b" i
LOCALE_SYSTEM_DEFAULT,
` u3 K8 S6 h% ~) l5 U DISPATCH_METHOD,5 Z+ W' v9 }' B) _+ M
&dp,
- i7 M1 J) v0 I X1 X+ r- |3 i2 } NULL,
1 @8 s0 m" u. T# t P# E &ei,2 g$ v0 Q$ M' M
&uiErr);+ {8 B" k- }/ J7 \+ Y+ Z. O
& b4 D6 R7 T3 }# i1 z
SysFreeString(topicStr);
" a, c F3 p* T SysFreeString(itemStr);) k) p0 P5 N( O9 x
SysFreeString(valueStr);( }+ |, q: D! y# s& F- o7 z: H/ Q
3 W* c* T+ \5 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???2 G- _/ l) X6 q B: W0 {
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????
! o8 m+ G0 Q8 P9 A7 Y( g% w9 C: k, ]7 T) _1 n
, V; ]" x2 Q% v& r1 M) ?& L+ Q
2.这是request的程序
. F Q6 H! O% T// Request a value from Extend. q& a& h& Z) |4 C* X. t
//' ]# d% M/ A3 X/ J% P
// Initialize the variant that will hold the BSTR. Set the variant's
; t% T ]/ r9 e6 P: B* z* V// type flag to indicate the fact that this variant holds a BSTR. Place the
1 F& Q9 k% P8 l: ? I// BSTR into the variant structure.
0 m X& V$ b& f% S+ t
# k. a& e! u4 e% j% | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);8 F1 p0 ?2 e8 S) M5 m( s
$ @0 }, {) Z! c5 ?" q$ [2 M9 _; E& ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# F& [0 `; s: m7 z" D# o# E VariantInit(&requestVariant[0]);
+ k9 ?& O: s( e2 d+ W requestVariant[0].vt = VT_BSTR;4 L+ b- w ^8 n
requestVariant[0].bstrVal = itemStr;
% e) `* e% w: t9 R+ o6 W' y2 T3 `9 R2 e7 k
topicStr = SysAllocString((WCHAR *) L"system");( y/ ~4 A4 {% C( e! _$ E v
VariantInit(&requestVariant[1]); * \2 S$ a2 O [
requestVariant[1].vt = VT_BSTR;6 z- w% c0 f6 f9 M! ~" v
requestVariant[1].bstrVal = topicStr;+ `% f$ r5 @1 K
- g1 e" M! @ T- A0 ~: W/ B' v// Set the DISPPARAMS structure that holds the variant.
) c' L2 ], @. a' T' ?0 U: v. z; o0 Z. h) o( e% p& v8 m
dp2.rgvarg = requestVariant;
+ h( q& T1 `0 | dp2.cArgs = 2;
5 v" S# y& Y5 P* ^5 I dp2.rgdispidNamedArgs = NULL;
' G+ E& f* g* n dp2.cNamedArgs = 0;. h$ J* n: @5 J7 Q
. o, r1 R" W0 n2 j var.vt = VT_EMPTY;7 w; w6 S6 E, c3 |7 g6 X* S1 x
# H/ T$ P2 o, D, ?, g5 r6 x
// Call IDispatch::Invoke()
( Z6 n, {: ^0 {4 U- S7 \* G. v' i) k* }8 p6 Y- d. N( S
hr = m_pDisp->Invoke(3 S% x# @& U& B$ N; P3 H( j2 Q# i
requestID,: o5 p! b: n* [: ]( s
IID_NULL,: K' |* ` o, S1 E$ i2 N( @
LOCALE_SYSTEM_DEFAULT,
' E9 s5 X8 I U! X, B X DISPATCH_METHOD, V; [: p6 [8 j3 N' S" d" G
&dp2,
" [0 \& g& j5 d9 b% R5 i &var,
; R) {+ `4 j1 J. {" X! B &ei,
A* q2 y0 | V4 s &uiErr);7 R9 ]) `) Q) {$ f) E6 g: s" p) y" F( G
+ N3 T* l9 k+ v( f; E SysFreeString(topicStr);
1 |! ^7 Q7 ]5 X# C' W SysFreeString(itemStr);6 n5 M! u7 _+ ^2 r1 V" b
请问该程序是获得extend里面的哪个值?. ?; E( _( @; k2 u4 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???? |
|