|
|
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:
+ P# v- a8 T: i8 w mName = (WCHAR *) L"Poke";% R1 B. ^, ?3 ~! a/ R6 _
5 S. n1 O4 R% H/ w6 |
hr = m_pDisp->GetIDsOfNames (3 s: _4 I( a6 b1 u* [+ x) _2 m
IID_NULL, // reserved
$ x% J5 b. `8 |. X2 ?2 x" {: R) |8 S, h &Name, // Array of names to get IDs for
/ B+ Z/ Y2 h$ _6 `0 [3 b; a/ A 1, // # of names in the array
/ P) x1 o( I; |0 E8 r" X5 k LOCALE_SYSTEM_DEFAULT, // System locale
- z% s1 I Z1 C &pokeID); // Array of IDs to fill on output
- R0 G- Z+ j1 K3 B- i9 E" d
- u+ _4 o8 G; r4 X, N6 W, [ if (hr)/ h+ H- ~/ a6 }8 ?% x! {- {
{9 q# ^' x8 f7 o# ^+ a
MessageBox ("Get Poke Unsuccessful");
# ~1 F% B# V( f* \$ h return;6 K- p: |& f) Z( C- w& w
}
6 ~" w& w6 c- \, j: q; K
5 D4 V0 |5 j1 Y$ ]- I4 S3 W/**************************传递数据给extend**************************************/, L% n( @ V$ T4 f6 t
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
6 d$ J7 P7 r9 D. w
2 t7 P4 u/ Q c* \; n0 b" b valueStr = SysAllocString((WCHAR *) L"1232");: D! t5 h: A$ P9 W) Y$ e- r0 o" y# B+ K
VariantInit(&pokeVariant[0]);
9 z5 M2 r) q9 { pokeVariant[0].vt = VT_BSTR;- p; l) l2 m- a. |0 l6 l: ]' R
pokeVariant[0].bstrVal = valueStr;2 b. p, w, ^9 i# B1 B4 I
4 L0 A% V) @$ m: T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. i) ]- v) L" a0 @; l E
VariantInit(&pokeVariant[1]); / f" d5 }, y8 u4 H4 J9 A
pokeVariant[1].vt = VT_BSTR;
. K% Y- E# g- X. h$ V0 P pokeVariant[1].bstrVal = itemStr;
7 q( Y# c/ I2 r6 |3 a0 W' G1 W
1 f3 B" E+ R3 F2 r% t topicStr = SysAllocString((WCHAR *) L"system");
; J! f! V, q3 k ?0 d5 d VariantInit(&pokeVariant[2]);
- {' O! W" O" d# i: d5 ] pokeVariant[2].vt = VT_BSTR;8 X; {' ~1 T5 f! ?
pokeVariant[2].bstrVal = topicStr;" y0 H: }& p0 G
$ W$ O! y; b' G2 F, k
// Set the DISPPARAMS structure that holds the variant.
+ |4 f5 _6 l8 ? h8 ?9 W' N6 S0 }/ O, _9 X0 W: u
dp.rgvarg = pokeVariant;
$ |$ U: A8 g1 ]- |% j dp.cArgs = 3; |. g5 G) p% j3 p# t) X
dp.rgdispidNamedArgs = NULL;
% f( D/ p& u$ R( I/ H2 W' T dp.cNamedArgs = 0;
: S- Q2 L0 \& O5 h A
% N) T6 ]2 c7 h// Call IDispatch::Invoke()
2 F& \1 c8 z. S" @
4 `7 q) w( a0 V! C9 X! T hr = m_pDisp->Invoke(
. A# N! ~+ \! i pokeID,/ T/ N; p4 Z, L9 F$ {: |/ K6 k
IID_NULL," H9 ?. N7 W' j9 N/ l2 j
LOCALE_SYSTEM_DEFAULT,. ]$ n& O9 F) Q4 U* |, J
DISPATCH_METHOD,/ Q; R. U' M ]5 E0 P) x; h" E( m
&dp,4 G# T @+ o J+ [9 U5 k& f- N
NULL,- k- `1 h, ^9 `1 l$ y
&ei,( x, G" f! U$ i4 E' d2 }; g0 ]
&uiErr);
. B: Y7 e2 {/ u. U+ }/ q+ g, T
; p' F, }/ j( M2 M0 q) N4 k1 C SysFreeString(topicStr);- M7 k; V! V0 |) Q- h" \( d# c
SysFreeString(itemStr);4 n) d1 D# {6 r! S7 }& r
SysFreeString(valueStr);
1 y T- G* H$ e1 z% O6 t
' L" G1 n0 }$ B7 F9 n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???1 L7 c- Z' m6 f2 }. g- N
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???? e2 ]7 M3 h# J& e9 I
: c2 W* C4 q- ]& Y' h6 N
" l+ y# h: Z$ `% l% D; S2.这是request的程序
, Z7 l0 \+ O+ |( q0 L// Request a value from Extend4 I6 }1 _5 e" P3 O% K7 h/ u! p
//9 _" A' K. n3 F) f9 j& n/ g
// Initialize the variant that will hold the BSTR. Set the variant's
9 ?. L, I; x) M$ P7 t// type flag to indicate the fact that this variant holds a BSTR. Place the" i) ]+ Q K% Q/ @; C* y7 [, x
// BSTR into the variant structure.
$ `8 A, M& i% T0 \: x
6 a0 {6 J9 A" C2 l# y3 n' K requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
5 _1 [% E( H0 G \* E % S- b: e2 T( R4 _- w
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
L9 ]6 G0 X/ V, f VariantInit(&requestVariant[0]);
7 ~; ^ T2 I+ O requestVariant[0].vt = VT_BSTR;6 U5 x! Y" T! i7 S) e+ \
requestVariant[0].bstrVal = itemStr;
; u4 h, w \1 ?6 E, x: L0 E* Z* B8 M
topicStr = SysAllocString((WCHAR *) L"system");9 }, F7 W" m$ @' g' E
VariantInit(&requestVariant[1]);
8 ^2 }* q. B( x" J" U. R7 l requestVariant[1].vt = VT_BSTR;5 w, _" X n Q: i/ j8 V5 @
requestVariant[1].bstrVal = topicStr;# _; T5 }- m6 X6 \, u8 H, Z) s
3 v+ I% l( T' K* Z// Set the DISPPARAMS structure that holds the variant.; _+ I3 s% m H3 d8 @
. s9 v6 V+ S' b5 Q h$ z
dp2.rgvarg = requestVariant;% x( q/ H( X; Z9 Y
dp2.cArgs = 2;8 p0 v3 e# t; z! n4 }8 X4 M
dp2.rgdispidNamedArgs = NULL;
7 Z) q+ D5 b j- X/ D8 E8 N dp2.cNamedArgs = 0;
+ ?( j* d% |- ?
- o9 `1 j9 Q: q) M2 u: G4 z! O: U var.vt = VT_EMPTY;, s. x( |% Z) S) E b' T
+ g# i, H+ `8 x( P L
// Call IDispatch::Invoke(): w+ D5 G6 l7 k4 B9 @' N+ b; B1 R
9 T# w2 y3 ]2 Z( o- ]/ d
hr = m_pDisp->Invoke(
* j: Z) N- T$ j; D) i& U/ P requestID,! q* L4 r0 y1 _7 y
IID_NULL,/ K, _0 S* i# Q: O
LOCALE_SYSTEM_DEFAULT,, D+ a K; z0 b6 r) p! S& ^, @1 N
DISPATCH_METHOD,& k3 n7 W& d0 q* a: Q! `
&dp2,1 @: c! c& O9 ~/ }; |
&var,
: L5 ]& B# r' Q2 M- n &ei,1 c6 V0 ]& D. G) Q- K* \
&uiErr);
, d- _+ B' I; r j; O" _9 i+ u( E! {% \6 R1 o) w
SysFreeString(topicStr);
' H) F6 t' m, r/ f7 N s2 b SysFreeString(itemStr);
. k7 Q/ f! l3 J9 e" z4 u$ \请问该程序是获得extend里面的哪个值?
8 R8 r6 P) o4 N* h0 @% d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???? |
|