|
|
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:7 ^/ u+ ?7 l e" i
Name = (WCHAR *) L"Poke";
: E3 x& \. ^& Q( e, H# o / z0 W0 r" H% {4 e, {
hr = m_pDisp->GetIDsOfNames (3 C/ _2 w7 U( ~2 n: Y
IID_NULL, // reserved0 @$ p3 C" ?7 d
&Name, // Array of names to get IDs for
6 {) c! B0 j' y* z; z" }* C 1, // # of names in the array3 R0 K7 K H1 p. V1 i7 n8 @. D, R9 B4 T
LOCALE_SYSTEM_DEFAULT, // System locale( }; z# V/ [4 [, ]/ k6 e
&pokeID); // Array of IDs to fill on output- Q" l/ @& D# }9 [
( ?5 h1 N3 \7 }3 |, N0 s
if (hr); x, |6 t9 P( ]3 b `: G4 T
{0 A6 }5 c3 ]) `0 d( g4 O m- ^$ k- e
MessageBox ("Get Poke Unsuccessful");
3 T$ D+ m1 J! k5 _$ | return;4 m4 ?! B ]' V: |6 }: I6 H5 q
}( G/ f0 |/ G% {& ]' ]# ]
! s+ `5 N7 Q& N9 ^+ E7 N. X/**************************传递数据给extend**************************************/9 x3 V4 g8 ], [( C( I5 ]8 U
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 P* W7 t% r; U& [$ c! }- ^
# {- ~; `" \! H- e6 K% D: j
valueStr = SysAllocString((WCHAR *) L"1232");# c- I; K* C# X4 H
VariantInit(&pokeVariant[0]);
5 O8 U) d4 Y! \$ c1 ]; |) z pokeVariant[0].vt = VT_BSTR;
0 m o# z4 B, W6 x( r6 ?1 u pokeVariant[0].bstrVal = valueStr;
; A6 h5 ]- _# u, v8 s
5 @9 x7 c. I5 J! c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");( B, [$ H |/ ^7 N: h8 c
VariantInit(&pokeVariant[1]);
1 d6 H1 E1 K& s H. m pokeVariant[1].vt = VT_BSTR;7 a1 g% x% ^1 |
pokeVariant[1].bstrVal = itemStr;
# J& f5 w3 i( c/ b" ~& ?/ H6 N+ t# t* V9 r$ v
topicStr = SysAllocString((WCHAR *) L"system");
9 }: @. q8 O, x. C, T0 Q8 [7 v9 s VariantInit(&pokeVariant[2]);
# l- [5 e# E# j) ~0 W1 Y pokeVariant[2].vt = VT_BSTR;
$ \6 }' m7 W& a7 j/ b0 L3 N$ v pokeVariant[2].bstrVal = topicStr;
* T: e+ V3 o& G2 S, }# t% _7 c2 L/ Y/ o5 M* {
// Set the DISPPARAMS structure that holds the variant.
. p) n! h9 c" w3 G4 o; L
i" G7 v4 a7 } dp.rgvarg = pokeVariant;
3 i& U% a0 y! t dp.cArgs = 3;
% D" c9 {; ^! z( C% h dp.rgdispidNamedArgs = NULL;
5 a2 W N; q5 q2 v dp.cNamedArgs = 0;
4 c/ N+ w* i0 j& Q
% z2 f% P, W" b. W+ P// Call IDispatch::Invoke()" O' K2 O5 m) i
* v4 C8 L+ c' Z: E
hr = m_pDisp->Invoke(5 c) @! ?( k- Z! Q" i
pokeID,
) c1 a9 v# I9 H( I, s4 x4 j IID_NULL,/ B+ h, K u S% }( e- h0 L
LOCALE_SYSTEM_DEFAULT,% X1 a$ r7 p r
DISPATCH_METHOD,) C+ K5 X: ?5 C3 r# u d! {
&dp,; ~- N: N, j6 w6 V& v1 q
NULL,, b* u! c3 w# V" ?$ ?
&ei,
) u: g0 {/ x6 Q( M" ~' b# a4 D &uiErr);) {0 I' e; N- j! L
; I/ \9 V/ | t& r9 k SysFreeString(topicStr);1 |8 E: o( y( j. G
SysFreeString(itemStr);" n8 Y( N l- N8 P2 [
SysFreeString(valueStr);
2 c z1 V; n2 X7 Z4 L# w1 C, ?$ }: x2 h) m! \7 T
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???) N/ i- W. \# ]; V: D
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????
$ Y ]& o; x% a$ x$ d* N8 G
( _ Q; t% g4 R: E1 ]; q4 U
3 y- B3 s8 _. m u O) {2.这是request的程序" Y# k9 c' F: L# c
// Request a value from Extend
0 ?" L/ g$ V( w) c//' K( n* P& Q$ j7 V
// Initialize the variant that will hold the BSTR. Set the variant's( B4 z8 D1 b2 T& u
// type flag to indicate the fact that this variant holds a BSTR. Place the
) J" e8 K# E7 H Q4 \// BSTR into the variant structure.
" j* J% ]$ F- z0 L4 c
/ s" f# h" w6 w5 \! C; z4 }; \& l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);: h3 l/ U2 _& C2 m/ y/ c) B
; U* j9 A% i. p& _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ } G3 W" Z/ a: l! f$ E
VariantInit(&requestVariant[0]);
* e2 Q4 X* _4 }* M- @ requestVariant[0].vt = VT_BSTR;. u! d9 b, K$ P, w) F1 v1 E
requestVariant[0].bstrVal = itemStr;
* e6 Y# O( {% ^" J6 ~2 t9 ]$ u2 i! c; A& G1 b7 X+ s
topicStr = SysAllocString((WCHAR *) L"system");
, u7 Y# b+ L% M$ G2 ]; | VariantInit(&requestVariant[1]);
6 I. n4 m/ M9 m* l" d, l# c requestVariant[1].vt = VT_BSTR;" w3 Y5 ^. F& f: o; j. z7 L
requestVariant[1].bstrVal = topicStr;
. H* s* y( p& H+ o: I
6 s6 R( {- y6 N8 b4 s" Q. x// Set the DISPPARAMS structure that holds the variant., U4 B+ H, l8 E) Z7 e2 v
9 k7 u0 Z$ \8 k
dp2.rgvarg = requestVariant;
I/ \4 e2 U& R& C/ k% A9 m% p1 N: } dp2.cArgs = 2;
# F$ b1 C# O& V! L D dp2.rgdispidNamedArgs = NULL;
3 g6 v7 {/ j# H: L: ?$ |7 ] dp2.cNamedArgs = 0;7 Q7 S6 h+ v) e# C& I9 [
9 T% t2 a M7 K var.vt = VT_EMPTY;
# Q9 K: b+ D' ~6 }
6 f2 p$ o! S& e4 E3 N" U// Call IDispatch::Invoke()8 Q- T6 }1 ]% o; y
; L# T6 z7 z# n: S# }8 {3 D9 g
hr = m_pDisp->Invoke(% q9 d3 e6 E( \
requestID,
2 ?" |( m: O @6 k' M" e, q% @, ~& d4 ` IID_NULL,
+ A' O6 g9 T! S6 R7 ?/ U, A LOCALE_SYSTEM_DEFAULT,. ~; m. G0 D# t2 O+ }: q
DISPATCH_METHOD,
$ \$ j7 i0 z3 H &dp2,% t3 @0 a7 K% e0 Z3 f8 h5 p
&var,
9 _* Z+ ~) p+ A. J$ `' G+ Y &ei,
" p4 q' M# P4 u. u) w) D5 t+ D &uiErr);$ i1 {& ]& A$ G, i" L
: n( k: v) p, t5 |4 g# U SysFreeString(topicStr);
6 K0 s, }7 I$ g B! u SysFreeString(itemStr);* e! O( g# A3 G7 k
请问该程序是获得extend里面的哪个值?# c3 q! |1 L0 ?1 n
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???? |
|