|
|
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:
& N, t8 |& @* R6 O- `5 ]7 M1 vName = (WCHAR *) L"Poke";
+ ], T5 x, A( b# G# f 0 f# X: B2 S& F
hr = m_pDisp->GetIDsOfNames (9 a t* [) b8 r, \
IID_NULL, // reserved- W) B7 j. @. [) V2 C6 X+ ~7 l
&Name, // Array of names to get IDs for1 c& w' L3 ?" m' E* B) x& d- ^
1, // # of names in the array& {1 k9 |% i' d O
LOCALE_SYSTEM_DEFAULT, // System locale
0 Z4 n$ u! i2 M4 ]& Z6 o &pokeID); // Array of IDs to fill on output; d1 R0 j$ B9 f
& K! W+ ]+ r* N8 [; X3 l
if (hr)
7 u0 N Z; B+ l& k {) L# t7 U8 R6 ^8 w$ w
MessageBox ("Get Poke Unsuccessful");
$ Y7 f, Z% F' W) S+ _- `2 `! ~( B return;
# ^4 M2 a# F, |, ~! I( M }
2 `5 G, v, C6 ~4 X0 u. O/ m2 E; f, e& w
/**************************传递数据给extend**************************************/; J8 `; W3 E& | Y/ a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 n3 @: ?1 e( }" Z! e! ] 6 h1 j9 @: g; f8 Q2 `
valueStr = SysAllocString((WCHAR *) L"1232");
4 X6 j% D4 C s6 G) f VariantInit(&pokeVariant[0]); F% [) s4 {2 z9 l# \' \; J( R- L
pokeVariant[0].vt = VT_BSTR;
8 m$ w) [; ?& W% Q1 f% \0 f' b8 k pokeVariant[0].bstrVal = valueStr;1 Q9 g6 x% d v1 K" N& F3 C% U2 V' V
. Q6 H1 K ~& h. a/ C; s3 c
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) }' r* y6 B, D. n- A3 g VariantInit(&pokeVariant[1]); : @% @: M$ d+ r$ x8 @
pokeVariant[1].vt = VT_BSTR;( i' s: H( r G) H. [# _
pokeVariant[1].bstrVal = itemStr;0 J/ c* n9 i! a3 y8 v p3 L
4 U" u- A0 B7 Z
topicStr = SysAllocString((WCHAR *) L"system");
' ^8 K t% u0 s# Y VariantInit(&pokeVariant[2]); * x) g+ a. I4 k( a
pokeVariant[2].vt = VT_BSTR;
$ v4 K- M, u2 c3 @1 u. b2 g pokeVariant[2].bstrVal = topicStr;0 O e4 }2 e6 H/ z" l/ p% V# a
& }" B" d% G- f+ R
// Set the DISPPARAMS structure that holds the variant.
6 n! E# n# } f- a! J* J1 l% v1 O; u! U, S# o( X4 f m
dp.rgvarg = pokeVariant;2 {8 ?# R4 Z( Z8 k
dp.cArgs = 3;
, B0 x0 U# a i" s( g5 v: U8 U; @ dp.rgdispidNamedArgs = NULL;
9 v" T6 O5 _' w3 {( [9 m1 A) T dp.cNamedArgs = 0;
8 W( z2 |5 L- }/ y+ _, X7 S2 M# B6 Y% h# f( r1 e, N( @0 m
// Call IDispatch::Invoke()- P$ I1 Z8 F) i; d6 q+ d. l
6 r8 P" M' ?- n" b hr = m_pDisp->Invoke(, F. p3 h+ e& \) ^$ |5 W& B
pokeID,
2 z- ]1 y" x& F+ A g3 [" g6 L IID_NULL,
$ c6 G8 D- M) X4 Z: E4 M, A+ x LOCALE_SYSTEM_DEFAULT,
, B/ u/ b# k5 i& b DISPATCH_METHOD,- J9 k2 }; ~8 W- p
&dp,0 h9 a5 o) G! D5 G- ~
NULL,
: l4 G0 K4 m& R: y1 r &ei,; d2 @2 Y+ c" t4 T% t8 G- @; [) @
&uiErr);! v% @/ g4 d( n. z
7 Z, ~! n8 [' y# m" E1 `. T
SysFreeString(topicStr);
" U% k |; \5 n% u. s, U: U0 S3 ` SysFreeString(itemStr);5 u R6 E. d4 O
SysFreeString(valueStr);" n5 Z" ?( q: m' F6 B* f
) C3 u0 p3 l" _/ z# l
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???
$ U: o; G& u& Y/ Z: h5 S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????
# ]' V, w; L' c3 Z7 }+ T( Q
9 }9 o! p* @! J% f* x2 d% N, [; I5 W% i8 g8 C' n
2.这是request的程序% O" Z' T2 u+ ^: `
// Request a value from Extend( X- ]# q& s; d8 W. a& m/ }
//6 m5 |: O* T; s, o" d7 d. H% m2 W' ?
// Initialize the variant that will hold the BSTR. Set the variant's
. P3 g( Q6 [; {- ^2 U// type flag to indicate the fact that this variant holds a BSTR. Place the/ G" k% u( u7 z; |4 n
// BSTR into the variant structure.; {0 e, ~4 D% x) R! ~2 N! O9 m
' \4 L; R- Q3 D6 ^3 R
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. ^6 S& f& l% X9 D! ~/ s: ]5 Q x; o
; o! g' k. v, \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! s5 N& R/ v9 s* O% b
VariantInit(&requestVariant[0]); - N' m+ _; R7 Y7 Z+ q8 k: k
requestVariant[0].vt = VT_BSTR;# L! v8 c% i* J1 } e- ` @
requestVariant[0].bstrVal = itemStr;
( ^6 o1 H' t2 ~ R8 d. B5 t% }' `" E
topicStr = SysAllocString((WCHAR *) L"system");
: T1 D2 f. j3 F) h; r7 } VariantInit(&requestVariant[1]);
8 Z+ m8 M7 v/ ]) S requestVariant[1].vt = VT_BSTR;
0 O. \. R4 n' v3 S2 V& w, H7 y requestVariant[1].bstrVal = topicStr;' ^$ `! L! u3 d3 n- Z: j5 ?
2 ~/ V& B/ x% m6 }. K
// Set the DISPPARAMS structure that holds the variant., ^" O$ N; d0 x
9 u6 C4 p/ n) ]9 v c% M
dp2.rgvarg = requestVariant;2 z0 R q7 w* n9 k, g6 [8 o
dp2.cArgs = 2;
* y7 P' b0 `2 D% \/ t dp2.rgdispidNamedArgs = NULL;
`% m0 Y6 M: D! U- D dp2.cNamedArgs = 0;
5 @- ^+ Z2 h" @! O1 J3 E6 Q' A
, d% t8 A: u# K. |2 r. h var.vt = VT_EMPTY;
* w" d, Z& `; O: B) n& o& `0 \' V `5 Y: U* s& _
// Call IDispatch::Invoke(); k; N5 ? X2 W$ V% J# \
5 m! E( m1 F" p2 p hr = m_pDisp->Invoke(
$ a _0 g. a# T- F6 c) }5 M' ~4 ^ requestID,; m- C6 M' j6 X* c+ T- a
IID_NULL,. h5 S8 x J3 t; m
LOCALE_SYSTEM_DEFAULT,
5 Y( ?7 Q7 X/ n& F4 Q& O DISPATCH_METHOD,5 i7 M! T6 @; W5 q+ h
&dp2,( R7 t/ k2 W" a
&var,
# j ~9 t) N( ?4 a/ \6 Y7 g! m &ei,- s5 c" k) {: T2 Q- z
&uiErr);7 ?4 b! z: `: [
7 R& w$ F0 m& C! K; e6 a. X+ ]5 ~
SysFreeString(topicStr); ~+ g/ Q7 e7 J/ J8 B; ~) a% Q3 c
SysFreeString(itemStr);
, m6 O: f1 G" w# H" R* N5 b请问该程序是获得extend里面的哪个值?2 J6 @ ~4 ^' N+ k6 P( n6 X
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???? |
|