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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:
4 g* e B2 b& Z: l+ |# |; E5 iName = (WCHAR *) L"Poke";
$ a+ O) C: P; u9 @% ?$ ?3 i 4 w$ S& n5 q* ^: {0 Y3 J! W
hr = m_pDisp->GetIDsOfNames (
4 q5 x6 l7 n- O7 E) }5 m IID_NULL, // reserved2 m" g5 `5 j1 a/ D/ o
&Name, // Array of names to get IDs for
: l( T! W# {& r. T8 j 1, // # of names in the array# _+ \+ x% [5 n' H2 `0 l- F2 {( ]0 X
LOCALE_SYSTEM_DEFAULT, // System locale
i. C9 k9 N, D) V! x% W' i! N &pokeID); // Array of IDs to fill on output% N4 Z2 J4 Y9 l) E: `+ h% ~" ?. z
6 V0 m* t/ C, E$ i2 m/ A, o3 Q if (hr)
7 t5 y. }" Q% f/ S9 E1 X# H {. h3 V- E; X, i' }0 L' M$ S
MessageBox ("Get Poke Unsuccessful");
; d# b5 k0 ^+ l& Y/ w0 J ~- R return;
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: T: D% ~, f2 l) g( z& k
/**************************传递数据给extend**************************************/' W, J5 A W V3 \. x0 c7 v% M
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
! b4 m9 k' Z% T5 T4 m # p5 o0 N V: X# p! \7 T
valueStr = SysAllocString((WCHAR *) L"1232");3 I. n) |. e0 A0 ~$ e
VariantInit(&pokeVariant[0]);
$ k H8 \3 m7 | pokeVariant[0].vt = VT_BSTR;
+ n1 N0 u$ s4 O. k: h8 n pokeVariant[0].bstrVal = valueStr;
" |- V" x1 N" l4 Y3 @* `! U% ^) f, V
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 G# k9 l! c+ C# @. A& L VariantInit(&pokeVariant[1]); - T$ N1 }; C' m8 t# z
pokeVariant[1].vt = VT_BSTR;
+ ?2 o# |$ z- n pokeVariant[1].bstrVal = itemStr;4 C2 v8 ]9 ~( }# U; K; I
$ J# d; V E0 K$ ^! i topicStr = SysAllocString((WCHAR *) L"system");
8 v# P9 U& _, y0 V9 w! p) z8 J% F VariantInit(&pokeVariant[2]);
C7 v# k. d9 M$ i4 Y; t# y* U pokeVariant[2].vt = VT_BSTR;
: T: Y, b( C" r4 B' ^ pokeVariant[2].bstrVal = topicStr;' q( K9 h* d& |$ U! Z/ ]$ ?! m
* n0 t" ? p8 w9 u1 E$ F/ E$ s// Set the DISPPARAMS structure that holds the variant.1 `& D. o, g9 C2 v7 j
/ Z- ~' j1 l* x. |. x' s% A+ B dp.rgvarg = pokeVariant;5 X! y. R: N- e# J- P" y6 H, H1 G7 g4 A
dp.cArgs = 3;
2 n F/ |& J" Y. z3 j6 e: B dp.rgdispidNamedArgs = NULL;
& Z. k6 p' f/ b! }( ` t7 c# J/ `, Y7 k dp.cNamedArgs = 0;0 ~- s5 a+ Y, \9 W# f" O4 H
, }' k9 f2 i% S2 ?7 n6 ]! ^& y
// Call IDispatch::Invoke()- @" W$ c! G5 D% M
+ k' O" h( q2 y2 y# z5 V* z
hr = m_pDisp->Invoke(* c; z5 z3 z8 B$ p C ] u: R
pokeID,
5 u+ M/ {$ K2 ?4 {7 M$ h/ @ IID_NULL,
: O- V7 O1 _: D) @$ x/ n LOCALE_SYSTEM_DEFAULT,6 l/ ?5 B- l+ n2 t
DISPATCH_METHOD,
- L% V$ a, x8 N- q9 Y &dp,
9 s2 F% q5 N# n" {7 c NULL,
' ~6 n: L# l5 C t &ei,
; N9 [ |" |* D7 w* l0 _9 v7 A3 F- }' r &uiErr);
! J5 p. U/ o% U/ s; b Y3 v$ i! S4 @& Z3 w q( E% o( d7 B) S: v
SysFreeString(topicStr);# m9 N8 G, ^9 S- k+ w! E& p& F
SysFreeString(itemStr);
, m4 G! |( |4 W# G SysFreeString(valueStr);! p7 d% R, j2 W
4 `3 J3 l- H h* Z8 m/ Y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???
: D, L! L* k0 @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????
% U0 m* P" ~5 W0 \% Y+ a; l/ j# \' B, j9 f- S3 T3 t8 a
5 Y) G7 a5 ?8 P' t
2.这是request的程序
6 P, {* d7 }( d+ T7 C( r// Request a value from Extend- v) D' N0 m- Y+ ]. \ N* `; |5 m9 B
//
# `# w( s. O* u' Y& B- F$ J// Initialize the variant that will hold the BSTR. Set the variant's
3 o# C/ I( O4 X# X$ U! J7 j1 |// type flag to indicate the fact that this variant holds a BSTR. Place the/ v3 Y4 H& W2 S8 I7 d
// BSTR into the variant structure.
* K7 ]% x, A$ K3 D; ]
0 {# H1 W' c& m1 c8 e requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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7 G3 D: B1 t# T8 T5 Q3 f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# ~' D b4 I( F' L
VariantInit(&requestVariant[0]); " c" X$ n/ {& Q% K- w( @7 ]
requestVariant[0].vt = VT_BSTR;
& J& F3 X; c3 g! y5 z requestVariant[0].bstrVal = itemStr;
2 U% P4 |% u9 K/ m" \9 C; b( [
, S+ r+ H, w; U( k topicStr = SysAllocString((WCHAR *) L"system");" q# S% r' J Z1 N% B
VariantInit(&requestVariant[1]);
3 ]- X) t6 @1 v3 ~3 F# _8 R requestVariant[1].vt = VT_BSTR;
) G! _8 D+ Y: `, b* k* X requestVariant[1].bstrVal = topicStr;+ H: `' K7 A! v
) S8 \$ e/ p9 y# h// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
5 o2 v: K2 ]2 `# S dp2.cArgs = 2;
3 I$ M. H* @6 R( r3 M dp2.rgdispidNamedArgs = NULL;6 H; D1 k' t8 }. h! C
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;: s& P' y5 I+ r" Z8 J
, T* @$ Z; D" Y5 I$ i0 I. n9 m) a// Call IDispatch::Invoke()5 b ?2 a! q# `0 b
0 q F6 B2 b& v hr = m_pDisp->Invoke(
3 E9 _9 a' Z! i1 p" V requestID,
/ \" C; o. m% ?: h7 y7 F' U IID_NULL,
\( P0 T0 \; i2 K1 D LOCALE_SYSTEM_DEFAULT,
* z2 e" ^. H, }' C4 F( i0 { DISPATCH_METHOD,
; ?& p1 M" \$ x: S5 Q &dp2,
- r6 B/ u, q8 j# m# D/ E* J9 a6 I4 I; a3 X& Q &var,
: k% F; J' Y/ {9 T; ~& S &ei,
3 l+ e- v+ Y! r0 [1 @( x &uiErr);5 m# S5 F8 z( k- ~% @. J+ E
" U8 H5 t/ D. H* h SysFreeString(topicStr);
1 |0 X' Q6 c3 R4 w+ Z SysFreeString(itemStr);% n/ ?1 p! _- a! U
请问该程序是获得extend里面的哪个值?! t) k6 W( R- f7 V' g1 d
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???? |
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