|
|
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:- T# \" z* r* s, |9 v9 b/ ?9 j, O
Name = (WCHAR *) L"Poke";' x' X$ y2 Z+ X9 M, ?$ |# x' K/ l
" Z2 J! v' I- j* } hr = m_pDisp->GetIDsOfNames (
1 E5 C$ C) c8 j( T IID_NULL, // reserved
0 B8 e4 G8 E# ? &Name, // Array of names to get IDs for! i$ l" {) ^; P, Z. n
1, // # of names in the array4 `- v1 t L5 U
LOCALE_SYSTEM_DEFAULT, // System locale
/ ~& C8 [0 s% T5 j &pokeID); // Array of IDs to fill on output
' S b1 V$ V* s( V+ _
* |7 {: D" p7 I0 b8 K if (hr)% t# f+ D3 L( D- [/ B; O+ n# r
{
* R4 ?# N& Y2 l" t" q4 P MessageBox ("Get Poke Unsuccessful");, t) ~* G7 c- u4 n
return;
/ d$ t& Y: Y* O0 ~8 ~: _ }$ o. m9 U3 U2 O L
6 O) ^! o% A, \& X- r8 ^
/**************************传递数据给extend**************************************/- p' i2 q i8 Y3 I2 h3 J( ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 |' ~9 ~2 x7 x1 r0 T! o 0 F! q" {- [1 A/ M1 j: p0 n
valueStr = SysAllocString((WCHAR *) L"1232");: s4 g# R2 ~) u
VariantInit(&pokeVariant[0]); P2 w: t* U8 L0 W1 l" M( ~
pokeVariant[0].vt = VT_BSTR;7 h8 Z/ T: H3 i+ w1 i3 b! J* l
pokeVariant[0].bstrVal = valueStr;& v( X8 ?( [: a& Q4 {
3 B. W0 {; S2 @) e; t: Z! M
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ R' ~, _- g2 h! T
VariantInit(&pokeVariant[1]); : `: p/ ^: y+ V9 U2 ^+ C6 m+ |
pokeVariant[1].vt = VT_BSTR;
; ?: p- m/ s# i9 l* _ pokeVariant[1].bstrVal = itemStr;- o, ?- K2 T; a0 P0 K0 L: f5 G: |
' T4 }7 d# U1 y
topicStr = SysAllocString((WCHAR *) L"system");2 r1 Z( H& ~' N) x! I/ }; U
VariantInit(&pokeVariant[2]);
2 c- I2 ^* _% G( L# @& ]8 t2 ` pokeVariant[2].vt = VT_BSTR;7 @; X/ Q, l4 x, \- V: D4 f
pokeVariant[2].bstrVal = topicStr;& j# n5 q6 @ T4 w ~, U6 P
) h+ p9 ]5 E! v! k) ]* `// Set the DISPPARAMS structure that holds the variant.8 \& [$ `" @. K7 V
- R5 {0 p8 P% n3 ~9 ~0 } dp.rgvarg = pokeVariant;
2 {0 b- p' V/ P# q0 w dp.cArgs = 3;
/ m+ P2 W \! d S3 f3 } dp.rgdispidNamedArgs = NULL;
; n8 S& k$ {0 [3 l dp.cNamedArgs = 0;; @& L0 j0 M8 ]
! e' O: \9 a; O9 S9 N- U// Call IDispatch::Invoke()! m. @4 ^: L: d/ K
( C$ O4 f8 D( R) `/ l8 Y
hr = m_pDisp->Invoke(
! F4 a( g3 R. S% H2 _ pokeID,
; M" F+ A& A. @# O/ u IID_NULL,
1 P% V5 M1 ^% T6 C7 Y; ~- o LOCALE_SYSTEM_DEFAULT,
, d! _/ Z( z. O8 R DISPATCH_METHOD,
& G4 k) f& T* y( n &dp,
0 W% a8 c( T b$ D% ^ NULL,
! R$ T- w& C% U &ei,. b; y9 E, m) a/ ~% n
&uiErr);# _1 k7 T9 n5 _" x
: Y6 \' E" Y/ {& P& W
SysFreeString(topicStr);5 b( j/ t: ]. d6 D( h0 s
SysFreeString(itemStr);0 N) O8 j8 ?/ C, R: C U5 o
SysFreeString(valueStr);
4 O8 J2 m# X7 n8 K; C% E2 R, ]4 f6 {& U
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 _- ~0 c/ e. s* W" E
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????4 ?8 _: U& ?1 x, n! t
- ~: X! D( r& Z9 z
/ a# a) M8 Y! |$ X; \( e
2.这是request的程序% U4 \: n! @! V/ |8 x
// Request a value from Extend
) z, d7 `. b* W//% \1 C% z/ M0 I. G y
// Initialize the variant that will hold the BSTR. Set the variant's
5 X# I( o& B, H/ A+ p; P( |8 T// type flag to indicate the fact that this variant holds a BSTR. Place the
3 X, @% W! n$ q) W5 Q q// BSTR into the variant structure." Q3 d) x9 {3 t" G) L& U
5 Y4 j; v* k1 ~
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);3 E# f: T! ^/ [0 p( `) J7 t) R
9 ~' ?0 n% `3 ?: g6 S' D4 x
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 `1 K. C, W! }1 b% h, I VariantInit(&requestVariant[0]);
" K3 b* e) F5 t8 m a [ requestVariant[0].vt = VT_BSTR;
& J4 b, W9 k+ w: Y requestVariant[0].bstrVal = itemStr; w# M) J8 Q" X8 z
: w" ]( w+ V" h: F a1 B topicStr = SysAllocString((WCHAR *) L"system");
: `( C" L3 L$ k VariantInit(&requestVariant[1]);
6 ^- j" N( Y$ f* z0 C7 v requestVariant[1].vt = VT_BSTR;& p, f0 q7 f( C5 N) I8 G& R" E
requestVariant[1].bstrVal = topicStr;' B% ?8 m- ]: B+ D& u
2 g& Y7 D4 P0 `$ \
// Set the DISPPARAMS structure that holds the variant.
' @5 N+ _8 F, l" p. ~+ |7 F- p- ]# X. M$ o
dp2.rgvarg = requestVariant;
9 u: R! L, m# G dp2.cArgs = 2;
- ]3 j* o {5 z; V3 x6 s1 @/ U. J dp2.rgdispidNamedArgs = NULL;
) m. N# i7 ]# W9 _( d dp2.cNamedArgs = 0;' W8 r U$ m1 z
' ~# u# O& n8 a6 ^5 ?6 X var.vt = VT_EMPTY;
( e$ B+ N0 H( M7 ~8 a
6 q6 z! R# g6 n( K// Call IDispatch::Invoke()+ X& B& T2 g- E8 @) _
: v* J8 q8 |' T7 [+ y5 z
hr = m_pDisp->Invoke(6 Z+ ^& Z& S& O3 g
requestID,
, K* E4 f8 W* P3 W" K7 @1 n IID_NULL,
, ]3 ^ S1 ]; @" r2 Y9 v) a) M LOCALE_SYSTEM_DEFAULT,; y) u f0 K2 h( ]: J
DISPATCH_METHOD,% [! d z4 F6 h& Q( Q2 A# u ]
&dp2,
$ ]0 S" X4 u5 m! J4 D &var,
: o) h* R4 Y0 W4 x* M &ei,: S- P; }" o0 f. O. d7 \
&uiErr);7 I. e! s! j% a# ^3 c
4 w7 ?. W2 ?6 W SysFreeString(topicStr);
3 Y* d# _" s4 Z# @* G SysFreeString(itemStr);
' S" S5 \! z# A请问该程序是获得extend里面的哪个值?0 t/ A- J7 v& j
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???? |
|