|
|
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:
2 j7 ^; a+ s; I1 y) c, N4 L9 E6 IName = (WCHAR *) L"Poke";: b2 b4 N. U2 z' \0 X: Z
j3 b" P0 Q3 E1 v5 R3 \9 q- j
hr = m_pDisp->GetIDsOfNames (
3 ^" A6 v2 }% [6 i5 B: s IID_NULL, // reserved
( A* G9 K( M# B- p" Q &Name, // Array of names to get IDs for
4 B; k7 }5 B L! ^4 u+ \6 ] 1, // # of names in the array v* m3 G. b6 Y- t9 {/ L* S
LOCALE_SYSTEM_DEFAULT, // System locale
) t, s' ?6 N) z, e7 L &pokeID); // Array of IDs to fill on output
& u. Z: _' H0 b. d
& U6 s1 q- G+ J' h* h if (hr). P: R5 {3 C/ Q; i' f4 H9 o# S6 O
{( H2 x ?; j. y
MessageBox ("Get Poke Unsuccessful");. g* K; p3 F2 P, z$ `" L6 o Z
return;) `$ L3 m/ e- I6 u
}
! C: a' v U) Z; W: o* K- [5 E9 r) [2 O# o, ]; B8 _2 v% t
/**************************传递数据给extend**************************************/. H9 m0 A+ u& ]! z" x7 [
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);1 ~! P, {& F" x, {7 l; i) I$ m5 U4 G% G
' e% \3 a% `2 w. Y" J6 j, p valueStr = SysAllocString((WCHAR *) L"1232");
5 `0 S( ]7 a( x/ Y& W8 C VariantInit(&pokeVariant[0]); . [( y' s3 M6 T* U9 D8 {" B
pokeVariant[0].vt = VT_BSTR;: c' K9 W1 z* O0 s- |1 M# s
pokeVariant[0].bstrVal = valueStr;! t7 S! r4 R R6 A d+ F
1 Z) D5 v' E' {6 o+ T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" O) M4 ~" r0 o$ E VariantInit(&pokeVariant[1]);
F0 W& M7 G {6 S) Y pokeVariant[1].vt = VT_BSTR;
; |# o6 P4 h& o) n9 l pokeVariant[1].bstrVal = itemStr;, L" P5 G( X, E+ y! A
) q: B; V4 ]1 o' P, Z }
topicStr = SysAllocString((WCHAR *) L"system");% O0 R9 |( r D0 k% L
VariantInit(&pokeVariant[2]); . x" [1 t* ^+ r( W" b2 O2 z. x( q
pokeVariant[2].vt = VT_BSTR;
; [) J! Z$ R5 [/ } pokeVariant[2].bstrVal = topicStr;$ X; @# [+ F4 v- G! t
+ ?; }( z% Q3 z$ X( F// Set the DISPPARAMS structure that holds the variant.6 B, B: ^4 ^' |" A
# F9 q2 r9 \/ U- E5 v dp.rgvarg = pokeVariant;: T5 N! \- y' a; M1 o
dp.cArgs = 3;
; V' n$ h" B& |+ D G0 ^' q dp.rgdispidNamedArgs = NULL;
! q- i& ?4 a; P' @1 e3 i: C; u- | dp.cNamedArgs = 0;2 w6 t- X6 S: K% C0 K' s5 H
* C) t& E# p7 a9 d) _ Z// Call IDispatch::Invoke() I! D A4 ^$ l1 u8 n# A9 u
! n& F, l1 w" c" j# p4 e hr = m_pDisp->Invoke(; y- [- k9 G% z/ Q- i+ x
pokeID,
; R/ U8 t3 X5 p1 v7 E) b IID_NULL,
. y9 A% V7 X. p4 F& P/ d2 H LOCALE_SYSTEM_DEFAULT,3 X" n" h' k' [6 e0 B! p; f5 @. g: E/ f
DISPATCH_METHOD,
. J8 D2 w6 g) I/ V &dp,+ { K. f0 z' z0 A# ?
NULL,/ q$ i% d; A! v4 c
&ei,
0 i8 T7 ?/ C1 A: j &uiErr);! F3 z4 S; B2 j" Q7 v4 T$ K
6 q1 ^: ?4 y. y5 E" n
SysFreeString(topicStr);: Z, C- R1 E3 c- Z$ u) o( P
SysFreeString(itemStr);
6 {) [2 ?4 Z' @& r! ?8 ~. n2 y* S SysFreeString(valueStr);/ o3 [% ~( o& p3 v: R
7 b! x. L$ b) ?# o! 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???4 a2 l( T3 r1 b% w6 E3 M4 F
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????
q& G8 i# N; c9 {7 [7 U, j C3 M8 p. I3 R) k
6 ~5 i- G7 E6 Y. A2 Z# A. A
2.这是request的程序
7 r" D' }. {0 g2 I8 }// Request a value from Extend2 j+ {" [! [4 [# k, f( ^$ Z# G! |
//
! u6 u% r& t) F: Q( g// Initialize the variant that will hold the BSTR. Set the variant's: l& Y5 v/ U' r: C9 _5 w) J
// type flag to indicate the fact that this variant holds a BSTR. Place the
- _7 k9 X* r n* G9 V* ?" s// BSTR into the variant structure.
( V1 Z$ t1 \. y1 C. |
# F+ e0 u1 e5 _, @8 I& I2 V; ~ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ r% D- U2 B; b7 ?2 }3 M! X
3 q% Q, U+ x) `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); n& L0 o( a% O" }8 U
VariantInit(&requestVariant[0]);
. |) w; [+ a/ `6 y7 J7 [$ F; l' ? requestVariant[0].vt = VT_BSTR;1 N4 K/ \/ M, g6 y4 F
requestVariant[0].bstrVal = itemStr;
+ |$ ~9 J+ [) `+ k# z: B$ E F: a+ @+ m# n- D1 [) [, D" [8 a
topicStr = SysAllocString((WCHAR *) L"system");9 J) |+ [1 K- ?$ z, j
VariantInit(&requestVariant[1]);
! r+ j5 E0 A" u) {6 V requestVariant[1].vt = VT_BSTR;
1 t1 ]- r3 S2 X1 |, N f w( A requestVariant[1].bstrVal = topicStr;
/ {1 t7 [+ G" O. f! M) G7 b/ P/ |) q$ H3 t% |! }' Y, d
// Set the DISPPARAMS structure that holds the variant.0 g! `, S# |( X
! U4 ], G) L/ \/ U& X, z i3 c dp2.rgvarg = requestVariant;: S9 T0 c& n; M- ~& I
dp2.cArgs = 2;
9 v4 U3 x2 z) \8 U/ t dp2.rgdispidNamedArgs = NULL;0 O. T3 f% K- |4 Y) m
dp2.cNamedArgs = 0;
: u) w( g& a* B6 A' T" B& O. G
+ m2 ~! d" W1 l! z var.vt = VT_EMPTY;
5 @" b% Q( P: j* N3 v' {+ b
* b% s5 E8 c/ g9 s* Z' a1 u// Call IDispatch::Invoke()
) p! \7 |4 o- m9 M- d. d0 { X
; G. E# }0 [: H! v6 r hr = m_pDisp->Invoke(2 x9 @3 X6 Y( O3 p# g5 c
requestID,$ m* N x1 f7 V& m _/ |( b
IID_NULL,- }) {. T* T1 `# r7 b
LOCALE_SYSTEM_DEFAULT,
) t" x3 }( M& B8 w: ~* R. ` DISPATCH_METHOD,! I `: p5 b _5 g
&dp2,
- T" e* h$ f! t" J* ` &var,9 }6 \: W3 i* d
&ei,
7 x( x, k$ O' x" W; \! Y &uiErr);) \3 s7 y! o! r2 b& z3 w- w
, ?# s V+ D1 L( p: x. x. ^ SysFreeString(topicStr);- m; e$ a$ D/ T
SysFreeString(itemStr);
1 X6 `8 P) N' Y _3 e请问该程序是获得extend里面的哪个值?
! I, j" X$ |/ O5 q: Q' x# d4 I" t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???? |
|