|
|
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:
3 u6 v) z3 ~/ N& c( _1 dName = (WCHAR *) L"Poke";
3 S! t6 L' z/ l7 e( o4 Y
* a; D5 z! r. R( ?1 U hr = m_pDisp->GetIDsOfNames (
' N4 o/ F* h9 M! Q M6 c IID_NULL, // reserved& @, _: S9 f# l& J/ j$ J
&Name, // Array of names to get IDs for
0 ^& E ?4 O! l' E( W& l 1, // # of names in the array
$ {( f* {3 w$ ]* ] c, E) [, Z LOCALE_SYSTEM_DEFAULT, // System locale0 o4 W+ w1 L2 `9 n4 ?6 `
&pokeID); // Array of IDs to fill on output1 ~9 B! j( y0 n1 U5 K, }
& b9 l1 ~$ J9 S if (hr)
! O. d- O" \- ? {
2 [) M+ d l8 r! f MessageBox ("Get Poke Unsuccessful");
' x* `+ b9 E, V8 P7 @ return;
$ t- Z' M1 ~8 B5 ` }
! K1 K; Z _! @& o) \
7 L. e# @5 f7 f# `( v/**************************传递数据给extend**************************************/7 a4 p, E; I: f6 U8 a
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);+ ?2 c* H% R0 w5 V& H$ y+ Y* y
7 m: O# s5 k2 s; X
valueStr = SysAllocString((WCHAR *) L"1232");
# j" N# c, l$ V' C1 ]) v VariantInit(&pokeVariant[0]); ! {7 \3 t% k- b1 \! w
pokeVariant[0].vt = VT_BSTR;
0 {- Z! a3 j1 s pokeVariant[0].bstrVal = valueStr;2 ~9 G+ f$ J6 z, ^
+ ]9 ~9 q7 C0 W2 M4 o# O4 M
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 V# N' {2 m& o0 G6 `! {, I0 k VariantInit(&pokeVariant[1]);
$ Y; J* J0 a: R1 m; @: b pokeVariant[1].vt = VT_BSTR;0 O5 z. D" _1 |$ J1 `3 c
pokeVariant[1].bstrVal = itemStr;/ S* |" O3 d) X" u B
. O' ^' Z. V+ l3 L topicStr = SysAllocString((WCHAR *) L"system");
5 ^7 N1 ?# U, C VariantInit(&pokeVariant[2]);
( F9 o* j! X& \4 }9 I, _4 e7 g pokeVariant[2].vt = VT_BSTR;; z! x* |5 S( Y( I# _' Z9 G
pokeVariant[2].bstrVal = topicStr;
' ?1 u3 e6 ], G9 z9 h' J0 V e
( P( n( s- f9 z) t5 u( M// Set the DISPPARAMS structure that holds the variant.) n8 G: |4 v4 o/ I5 D+ x% f- O' z
4 i/ s5 D/ V/ a$ x& O: S: _
dp.rgvarg = pokeVariant;/ y$ U& ^3 W) Q0 q0 b+ E
dp.cArgs = 3;. o* N% p3 l9 X
dp.rgdispidNamedArgs = NULL;/ `8 U+ d5 X. W# _ K
dp.cNamedArgs = 0;
4 I3 R, _* {( u7 ] c
! I7 a6 v( Q# r0 k! Q// Call IDispatch::Invoke()/ {5 h6 d9 Z' e3 ^
+ C5 o) r* F+ a( x. L6 {
hr = m_pDisp->Invoke(
9 o# J/ g0 ]* A6 b, H9 ` pokeID,; K* H) L \ B4 Y: y- l
IID_NULL,
F% N( h* _9 s LOCALE_SYSTEM_DEFAULT,5 L O4 s& ]! {9 k2 i4 b1 m" p
DISPATCH_METHOD,! q: a9 G ~! E6 m y
&dp,/ Q! J/ p7 g" H- f$ U9 N! C: s5 U7 R
NULL,5 I* ?7 D: b6 }5 m
&ei,
- s) ]& |' z. W/ c, H0 U4 K &uiErr);; V0 F0 m4 ` J) W) m& J3 \
A3 J# H7 m8 M1 S SysFreeString(topicStr);3 l0 ^& e3 a6 V* x) U
SysFreeString(itemStr);7 |+ Y& a! ^; ~ U" L& T8 o
SysFreeString(valueStr);7 k/ ^4 S# ?- Z" t- Z9 e
5 H5 }4 P+ S- E' B- G" f
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???! B% F2 u9 R* @2 R; c
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 ~( n" _) A$ D+ n7 s" Y$ Q+ c- {! o: f" k
+ o6 Q x$ \3 X4 v! s; F
2.这是request的程序- Q; J- j+ q% n4 {2 S% I7 D# |8 \
// Request a value from Extend
9 t/ T/ O6 z# Y& U; p//
, R$ u7 |+ t) R1 h6 T// Initialize the variant that will hold the BSTR. Set the variant's& X/ c5 \* c5 U; {. }+ }1 S
// type flag to indicate the fact that this variant holds a BSTR. Place the
/ D9 X, e5 {5 L# b// BSTR into the variant structure.
: T' H7 N1 f# P, ^4 R, T9 v
1 K+ V) P5 P a3 u, e0 P# u requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 E' g; p1 W1 r2 K6 {; g4 U8 F1 u
9 a/ g8 ]" q; s ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 i% ~% a7 w) F" i0 A i0 B, ^; t VariantInit(&requestVariant[0]);
0 J0 I( R& j2 D' U* Z requestVariant[0].vt = VT_BSTR;
! j) L3 t) @3 f, ~ requestVariant[0].bstrVal = itemStr;
2 S" |7 x+ a( `* h1 W" X
9 x+ A% O: W6 |7 o. r7 h topicStr = SysAllocString((WCHAR *) L"system");
$ |8 Y! R8 Y' Q- U% \# ? VariantInit(&requestVariant[1]);
7 L# L+ Q6 I* h4 j requestVariant[1].vt = VT_BSTR;! P" n* j+ E+ k5 ]% z5 n# s% Y
requestVariant[1].bstrVal = topicStr;1 K, n5 {% K8 L0 d( g' b# ~
; M( }4 d F; M! B6 B+ s' @" c8 G; ]// Set the DISPPARAMS structure that holds the variant.+ P( g* _6 S+ m; \2 F5 \
+ t$ r' V6 x. `3 p' q0 o
dp2.rgvarg = requestVariant;" ~. F! C" g1 o. t9 Q/ h7 h8 } I3 t6 R
dp2.cArgs = 2;6 @* z6 M" D/ R. S& ^2 ?) o o
dp2.rgdispidNamedArgs = NULL;: d+ X$ m# t/ R6 ^* K6 d
dp2.cNamedArgs = 0;3 k$ N: J D4 n( \* D( {* _8 c
1 b7 y( e/ T7 C" o1 I( p7 r var.vt = VT_EMPTY;4 W$ l; m( Y$ O, U& B9 _" ^
( I( N8 T& P# l2 z. [: a
// Call IDispatch::Invoke()% h1 z7 V9 L1 m# M7 n
& H/ ^$ J" B1 G$ a
hr = m_pDisp->Invoke(
! h3 e0 F4 {& t4 ^: S" _, f% ] requestID,
9 | c& N: h! I4 M. K4 \' s$ Q IID_NULL," W" Z2 P) F: r1 k) ]- P" X. i0 w" @
LOCALE_SYSTEM_DEFAULT,
5 U& {7 ~6 E8 d: G- _( k, W DISPATCH_METHOD,
& ?5 W$ W W+ [2 D' r: E &dp2,/ P! S$ ]/ r4 w- P+ i0 E3 x6 G
&var,
7 q8 h) t( g4 w &ei,- b' h# X6 H o2 l( z
&uiErr);, _! @+ N; r1 k2 X6 j8 l
, o$ }) _0 A5 M* w4 `" I4 s
SysFreeString(topicStr);
. E) `! M j2 _2 ` SysFreeString(itemStr);
+ t1 T/ _! T+ p: |/ N# p" k' h请问该程序是获得extend里面的哪个值?0 Y) F1 X4 s% R* F
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???? |
|