|
|
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:. F7 W9 ~6 I. f; o+ q+ Q) A
Name = (WCHAR *) L"Poke";. ?* s1 S: Y5 Q u; s+ g4 X; ?
. a# }$ F+ E) r. r8 r1 _
hr = m_pDisp->GetIDsOfNames (
0 y! z* o; G; Q/ | IID_NULL, // reserved
$ X5 s' j H" F' F4 s5 D- h# a! Y &Name, // Array of names to get IDs for
; w( F$ V6 L0 F) p, Z+ m: v. H 1, // # of names in the array/ }6 U ]- b# D+ h
LOCALE_SYSTEM_DEFAULT, // System locale
. d2 ?# D4 ~* ^8 `6 v' c7 k &pokeID); // Array of IDs to fill on output# G9 `' D, H" J8 D' {5 q: @
* O# @( w1 q# R! ~ if (hr)
# Z- w! ^: d. k" { Z {- r% @) ]5 O0 K4 }. `$ [
MessageBox ("Get Poke Unsuccessful");6 f2 D5 I( z; K6 ~
return;( U2 R: |9 a% S0 j' u
}
) R. T8 r' Y0 m, e3 |7 }+ ~" M/ C( p& i9 s- r, M
/**************************传递数据给extend**************************************/6 z5 L! H* }8 {! N3 V
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 \; H- G2 n8 f$ j3 F' A: ]
5 r. B) ]9 R( z- J valueStr = SysAllocString((WCHAR *) L"1232");
/ o) M0 U A$ l, @ VariantInit(&pokeVariant[0]); 0 [' v( R0 a- K( T
pokeVariant[0].vt = VT_BSTR;1 ] E# ^+ q: ]4 g
pokeVariant[0].bstrVal = valueStr;
7 y" W6 M' H9 V& e' T' H
3 w H: u; k! S9 \. Q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ t/ o$ e Q% B, ] VariantInit(&pokeVariant[1]); : u j- M7 B9 @) a9 H( U6 x
pokeVariant[1].vt = VT_BSTR;
3 W/ `' ?: b. f3 c/ N! \ pokeVariant[1].bstrVal = itemStr;
2 E# F$ K5 z2 l5 e1 B( o* K, O& N, S! t" Z; \
topicStr = SysAllocString((WCHAR *) L"system");
- u, {8 Z6 Q+ r, Q2 O VariantInit(&pokeVariant[2]); 9 I3 j3 L0 f \ g9 ~
pokeVariant[2].vt = VT_BSTR;% }4 X: e$ w3 i4 t" V
pokeVariant[2].bstrVal = topicStr;
8 v( i: g0 `" M% J: l+ J2 X% N( }+ K( i% N- t" B" i/ v* \9 l
// Set the DISPPARAMS structure that holds the variant.
7 I1 [: S* r/ I1 k; V4 U8 i( Q$ O" e2 U$ ]8 o) }5 ?
dp.rgvarg = pokeVariant;5 b5 K l$ ^. A5 {
dp.cArgs = 3;
3 s# ?' }2 W( T5 T- Z dp.rgdispidNamedArgs = NULL;/ \" G7 N& W' M- L" V
dp.cNamedArgs = 0;
1 d6 R5 V( R* M, ]& U, |3 H' t$ C; j8 k
// Call IDispatch::Invoke()# x: u! Y/ ~/ j5 q2 G0 z
, h. W9 A2 A" e/ i
hr = m_pDisp->Invoke(% }% J5 |' h* q0 T
pokeID,) [* D4 a1 i% T; D
IID_NULL,
: d3 @8 R+ \# N9 ^2 r: e LOCALE_SYSTEM_DEFAULT,7 \9 ~" ^/ J7 Z7 J" Q" P
DISPATCH_METHOD,
5 X+ n8 z( T/ D1 Q; r &dp,9 J: } H. l3 _, K! O0 t6 `
NULL,
4 Q0 }" M; w& N0 X$ E0 B &ei,# l! v$ ~& \! e6 V
&uiErr);
u* n( m# S) h/ Y8 w2 F% [ C7 D: r6 p8 _% A" v
SysFreeString(topicStr);7 K) m$ h" ?* j5 I, @* h$ q- D
SysFreeString(itemStr);
& v' d$ V9 g2 ^1 x9 w" U SysFreeString(valueStr);& C+ K2 G2 |+ A0 G
: N$ K0 j" n: X. o, Y, J, X; Q, M7 x
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???# `3 `- y6 V# Z8 x. z' 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????+ B3 j% ~6 S/ ~# C
6 D/ C3 U+ \9 ^" n" g$ ]! ^9 ~4 ?$ y
) V: `+ _* K) j" ? z$ O2.这是request的程序$ n0 B# t. |9 K) H2 ]( a8 `
// Request a value from Extend
: |! r/ J% c+ G, b//3 B+ h+ p/ q/ k, l) }" R7 R% C
// Initialize the variant that will hold the BSTR. Set the variant's
" L! r" C6 ~4 q6 y0 m// type flag to indicate the fact that this variant holds a BSTR. Place the; v: O, |9 x$ F1 `. u* @. l
// BSTR into the variant structure.
: X2 G, M* d; V$ j2 [ w+ {# _. A8 }7 a- p1 l& I# W
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
3 o1 r- ]1 d! W2 l1 v% L5 ?$ m
' ~2 p2 N3 K4 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 B, m4 U+ j1 P VariantInit(&requestVariant[0]); ! @* D5 o# t6 X( m
requestVariant[0].vt = VT_BSTR;
- W( X6 }6 M) j requestVariant[0].bstrVal = itemStr;. `+ z* x$ T0 `2 i6 V$ `' J7 d( Y% e' T
; n. Z$ P/ o* _ topicStr = SysAllocString((WCHAR *) L"system");5 d9 z: K) m' A; `
VariantInit(&requestVariant[1]); 0 B& @; }9 U6 z
requestVariant[1].vt = VT_BSTR;: q A- _; ]" Q1 |6 P* W3 M
requestVariant[1].bstrVal = topicStr;# B2 M0 [- i+ m+ X+ Z
9 C1 y/ a0 H2 G* ^6 G( W// Set the DISPPARAMS structure that holds the variant.1 B" F; t* m+ n5 n( s% ]; L* |! |
- A1 a' o$ f! q# c+ r dp2.rgvarg = requestVariant;: X1 s+ Q# {" `" h8 ?
dp2.cArgs = 2;
( ~/ Z3 ]3 y I0 x dp2.rgdispidNamedArgs = NULL;
/ o6 z% {1 T! d; B. h dp2.cNamedArgs = 0;
$ S( l/ I) ~* o, ~- L( s. e! L3 w" H$ g) k- U- ?
var.vt = VT_EMPTY;4 e/ ]' V! x- f7 ]$ _
; u' C& Q9 U' B# X) j$ t// Call IDispatch::Invoke()$ Y; c6 ?1 n8 S9 e$ Q' o; h' ?# s
( E ^8 t5 x3 j. S' ` hr = m_pDisp->Invoke(
2 W6 @7 A/ |, y; Q requestID,
+ M6 L" x, `) l2 l1 u. z IID_NULL,
: P3 g8 T2 W0 {# a LOCALE_SYSTEM_DEFAULT,
" |5 r2 g( j ?1 n; Z DISPATCH_METHOD,
$ R5 e- ~* d! a: o( Q/ V! Y# X &dp2,
2 }$ O! B9 E. Y3 I3 {* Y &var,
" A9 \' z' \7 E5 I7 m- b &ei,
0 L9 X0 n9 T1 t" D( N7 T &uiErr);
: v) l: S% G; g: Z$ @
* J- E8 `8 N% V' l SysFreeString(topicStr);
" e; r4 y$ N8 ?, x$ G: [ SysFreeString(itemStr);) d' S- F1 ^6 O% U
请问该程序是获得extend里面的哪个值?0 E. X/ K% m3 i/ k) p, X; R
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???? |
|