|
|
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 z$ S; M& f- DName = (WCHAR *) L"Poke";
; |6 q# G9 g; h; l2 E: I# ~
8 g! m' N' c0 @' A5 A+ e, |% `# ?: f hr = m_pDisp->GetIDsOfNames (+ D6 Q# h; D$ p- q6 P
IID_NULL, // reserved
4 E) u" i% O6 ~8 h0 n; Q) ~ &Name, // Array of names to get IDs for
* A& I5 A9 |" C# l8 U 1, // # of names in the array4 s# \* D5 F5 |8 g7 M5 t: x
LOCALE_SYSTEM_DEFAULT, // System locale
& h- ~" w9 g: S# `( _ &pokeID); // Array of IDs to fill on output$ K7 S# D0 [/ B7 Z5 l
% p4 |3 _3 `% Q+ e( N7 U if (hr)7 y7 N/ O: l6 C
{
8 G# n! w2 L0 p, q MessageBox ("Get Poke Unsuccessful");
+ N( m& ^1 ?/ J return;, a' J& ^% ?3 l, m" x
}
( Q* m+ ~/ L4 j& D y: Y6 O; \" P) u$ K, Q' w* _& c9 a3 I# L
/**************************传递数据给extend**************************************/
( Z. G2 ]# @- |& w+ Z$ E pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
( q+ Y0 b# }" a8 ^5 v3 G `2 d
' q6 K7 {) U2 W' O: g, z valueStr = SysAllocString((WCHAR *) L"1232");
X; e0 D `0 H9 V7 z VariantInit(&pokeVariant[0]); + b: ]0 s# [# \
pokeVariant[0].vt = VT_BSTR;
% z4 `9 e, M( P0 O# s" E* ` pokeVariant[0].bstrVal = valueStr;
# p" s: r; W. s% j: b7 Z+ C& d6 \6 g
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" P3 Y4 C& p0 R, x8 ]: A) l
VariantInit(&pokeVariant[1]);
. U3 K' R/ a' k pokeVariant[1].vt = VT_BSTR;8 e0 q2 c) G; y* c# |5 r
pokeVariant[1].bstrVal = itemStr;" D) ~9 x b% y z
# G0 R, w ^" j0 g5 b8 f topicStr = SysAllocString((WCHAR *) L"system");
& M8 e2 y; \" z7 \3 I% i; j7 ~ VariantInit(&pokeVariant[2]);
2 L0 u0 n% T" c' }" A2 w pokeVariant[2].vt = VT_BSTR;4 u! `0 O$ \# e8 {) ]; R! Z
pokeVariant[2].bstrVal = topicStr;. b% i& B1 u& i+ j; {, g% b! f; Y
# }& A) e: l, d3 K$ x+ u. J
// Set the DISPPARAMS structure that holds the variant.& m$ V" ]9 H I: w. G3 x
0 [) I9 ], v: r ?9 M0 d# n dp.rgvarg = pokeVariant;$ w* m" n- e3 f+ z
dp.cArgs = 3;
: ^# ~' ^- T# y. T) w' e; |5 j+ H/ s dp.rgdispidNamedArgs = NULL;
3 Y7 R0 i* }& A+ N7 Z dp.cNamedArgs = 0;
) |7 b* A) b! V, `4 z4 [1 }) D1 Z; l; b. S4 k7 }* P; L
// Call IDispatch::Invoke()
" b) N J) f/ |6 H5 U% ^+ U c/ T/ O
6 d) b; g! Y: P# M; x' `2 _: K8 o hr = m_pDisp->Invoke(
! G @7 l# y3 ^' z2 K7 U4 f; q pokeID,' w/ M* {( B! p9 S" T; q' {
IID_NULL,
: \- k2 R1 Z3 ^" z LOCALE_SYSTEM_DEFAULT,( N/ A( f# A5 c# K; g& X1 \: ?$ X5 x
DISPATCH_METHOD,( L6 u" _0 e8 ~2 a T( f
&dp,
) G9 o$ A, _& O5 V NULL,
# k' C4 ]7 S' T &ei,4 U& {" Q0 P7 {$ P4 N
&uiErr);5 f+ P7 L/ z6 r5 Q
7 O+ j q4 ?8 C$ V; v0 h) t0 L
SysFreeString(topicStr);
# c5 G: R' d- Q) ~7 M0 X; n9 `. d SysFreeString(itemStr);7 Z7 F' A2 d8 \0 Y; F2 ^
SysFreeString(valueStr);
1 D/ w% B. d9 J7 e
8 A: B8 E4 `7 { f& Z. K3 D4 \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???
, u, t. c- P" |. [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????
8 k8 M0 A9 X* Y% g8 m7 i
, g/ Z: |* V6 M6 d* k- b1 x( v+ L0 k
2.这是request的程序
+ h' \* J! r8 G// Request a value from Extend/ H2 e0 _! G0 {8 S+ N: C/ \" _, p/ l
//
# z2 {" }: q4 Q9 d9 S8 X// Initialize the variant that will hold the BSTR. Set the variant's6 d6 S' c0 |8 j: H
// type flag to indicate the fact that this variant holds a BSTR. Place the
* [# _ A Z" y/ t$ M// BSTR into the variant structure.
9 D8 _, d# S2 j9 P4 P" s! [+ ^, w/ O+ l& |1 M% p
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
) u, M0 K& t8 S( _- k" l; m P1 r# `. o3 }7 E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' W+ x( |& [6 r: J
VariantInit(&requestVariant[0]); * f0 ~4 ]% z% R* Y* n# l
requestVariant[0].vt = VT_BSTR;
" w9 h/ h. S1 M( E requestVariant[0].bstrVal = itemStr;
. t0 |; P# F0 ?0 v* D0 j2 Z: p( P' X( S& Z, x0 t9 E
topicStr = SysAllocString((WCHAR *) L"system");. C8 n* D+ x" A6 k
VariantInit(&requestVariant[1]); 4 n5 d% x% S( B- H7 s9 m9 h
requestVariant[1].vt = VT_BSTR; I' i- {9 h8 M3 `( D$ D
requestVariant[1].bstrVal = topicStr;
1 ]0 W) Z6 v, p7 l7 x8 \/ I& f
; B" F' }9 f) C( A2 W) p+ ] _// Set the DISPPARAMS structure that holds the variant.
* ^3 H6 f. `+ x: m- \/ E# d% h( [$ R1 g* v
dp2.rgvarg = requestVariant;9 H' P$ Z* I8 t' Z1 G
dp2.cArgs = 2;( E; X5 U* Y" m3 V( Y4 C4 O
dp2.rgdispidNamedArgs = NULL;% D: p' M- O8 }" C
dp2.cNamedArgs = 0;# s3 U# J- S5 p
) u6 B: ^2 z$ G" [/ R
var.vt = VT_EMPTY;0 g) c/ \6 c: P# Q9 f
, _4 j2 b2 t' K% |: q: a8 |- p. S
// Call IDispatch::Invoke(), q7 n! u: T% K
: G( @: M" v- P! }, f- M9 Q1 C9 t
hr = m_pDisp->Invoke(" u: c% I9 g: C4 j% R. b* }- l
requestID,$ S0 c* @6 w7 ~+ z, A. p
IID_NULL,
) n1 `( N& {# i+ o' i LOCALE_SYSTEM_DEFAULT,# K+ q8 D' o7 L' H$ w7 E
DISPATCH_METHOD,% s; A6 g1 ]& A% f Z+ s) @1 }1 @
&dp2,
) l4 g5 y: L# Q8 H* z* a$ U &var,
8 z: P5 O U r &ei,6 {8 L. r5 H1 `1 L+ j
&uiErr);
' j: Y$ I5 }- z& f1 p6 u' V3 h+ ~( a: J
SysFreeString(topicStr);0 f' J, }# b0 S, N
SysFreeString(itemStr);/ r" Y7 n- V; f! K3 g/ n
请问该程序是获得extend里面的哪个值?
5 e, w' Z8 z H8 _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???? |
|