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:. }0 N3 c: L$ y& O
Name = (WCHAR *) L"Poke";
/ {& j( M8 Q {
* ?6 L) s# K: w/ G4 y hr = m_pDisp->GetIDsOfNames (' H+ |9 {; a3 {7 z6 _2 `
IID_NULL, // reserved
' J, Y2 d# \8 ~7 O) C &Name, // Array of names to get IDs for( n5 R+ Z4 p Y& [( I
1, // # of names in the array
5 m7 J) b: ]4 ~. P ?7 C LOCALE_SYSTEM_DEFAULT, // System locale
& U) n& R$ i2 V% @& a( W &pokeID); // Array of IDs to fill on output
) u9 X2 D! b$ W3 B( y' m8 e * M0 n, n( R( o' A/ M i
if (hr)) Q9 I7 q4 c8 g6 P
{
( W% b- F; D/ I) T MessageBox ("Get Poke Unsuccessful");
V; |$ u& k$ A return;% c/ b' @; s4 u/ p9 u9 F% l
}
" A0 D- b6 E1 f; P0 W% c( H
7 u3 U4 w9 D4 A, p- N5 Y /**************************传递数据给extend**************************************/
6 x i3 L+ y. F& J- v; s, m3 k pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ u; a- q% Y: f
5 n% X: l2 M, a: y! d valueStr = SysAllocString((WCHAR *) L"1232");
+ `3 W W% b0 t) H/ s# i9 ?- L VariantInit(&pokeVariant[0]);
3 G1 J- ^1 `) P pokeVariant[0].vt = VT_BSTR;4 o- \7 B5 ?# w- e1 @" R0 ^
pokeVariant[0].bstrVal = valueStr;
. t* v- |" }4 ?6 K) Z
E( _7 s9 a, g9 L L9 Y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% w/ g& }/ l0 X) v' H VariantInit(&pokeVariant[1]);
; i4 B) x; t, ]- a pokeVariant[1].vt = VT_BSTR;
& c j# H$ @# A2 D) P) P0 W5 R pokeVariant[1].bstrVal = itemStr;
1 R4 U+ ~! Z) H. S5 B3 L0 w* G
+ ^6 ` [$ ]# t c5 Y+ u+ c, N/ t6 P topicStr = SysAllocString((WCHAR *) L"system");4 t/ |! {; x; ~$ e
VariantInit(&pokeVariant[2]);
7 g' l$ P- j8 Z4 W" E pokeVariant[2].vt = VT_BSTR;5 h# x+ _4 S) o: R
pokeVariant[2].bstrVal = topicStr;+ N4 o( m6 L5 B2 K s0 L5 \5 q9 z, P6 p
0 [0 c- R+ ]: w* _; o
// Set the DISPPARAMS structure that holds the variant.3 r! }1 E9 E0 ~) P4 J( b
; }6 @& A) b% g dp.rgvarg = pokeVariant;' ^1 |8 E+ Z2 `; F
dp.cArgs = 3;
! i* G. H9 x( P0 b: J$ w; `# h) l dp.rgdispidNamedArgs = NULL;. i3 e2 q8 M6 C' n3 n$ u4 K4 Y
dp.cNamedArgs = 0;
9 C# `+ O2 u9 M, l+ c7 F 0 h0 I& U. L$ Z7 b: h& P9 Q
// Call IDispatch::Invoke()
- u# s1 @6 i+ L s! D/ U% Q, c" Y. x
hr = m_pDisp->Invoke(/ N: V A$ [5 Q1 z- ]( ^# _
pokeID,
I4 \, H; f0 G: w8 p# v. F2 i IID_NULL,
& n! y1 r3 c2 H% c LOCALE_SYSTEM_DEFAULT,
4 g9 d/ ?& ^- i+ {) w DISPATCH_METHOD,
3 {# }5 V+ D4 E# d+ i( ~ &dp,
1 k2 t6 ]" V( h6 c- N2 u- \, f# o NULL, I% [5 t' K) {" `' S$ k
&ei,; e1 f6 V. L, v) { {7 ^3 D) e$ d9 s
&uiErr);" j+ ^9 g5 Y' n# f0 G- g& H
& D) C7 g+ k+ t
SysFreeString(topicStr);7 |* Q7 f5 g- c8 t( u7 D# f# V
SysFreeString(itemStr);3 U$ _" H6 V* `7 B* x0 Z
SysFreeString(valueStr);, w n" K/ V9 H! @6 O% D) S
2 _+ Y1 L8 m" c% T3 _6 q( M% l2 Q; F$ C 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???, u2 q% ^( a" o0 M/ v! r
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????
) ]! S8 [2 o" a: [! ]* \ 5 H% p) U& r8 g9 [% S1 K% I: Z4 ?
~& R1 U7 u+ E# j p; h: f 2.这是request的程序! h8 K; k4 Q. i% `- D. H/ h# @
// Request a value from Extend
/ H" c- n; X* ^* K, p! d, F //8 @: T0 n% d3 M$ O/ p4 d5 N+ c
// Initialize the variant that will hold the BSTR. Set the variant's
1 g. S/ [- a3 e5 [, ^ r! v // type flag to indicate the fact that this variant holds a BSTR. Place the
9 x4 d2 O9 T1 x' t0 _8 } // BSTR into the variant structure.0 d$ v3 ]4 t8 }/ ]" R
6 Q6 I6 d- }; l! {% z5 v& t requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, h* g1 a1 ^( U7 ^9 y; \
, W2 t, U" ~6 H( t' u1 A, ?0 \) e: {2 y itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 E/ K( \# c( \$ a VariantInit(&requestVariant[0]); % l$ `- n3 u& C6 s( ~
requestVariant[0].vt = VT_BSTR;
* [" S( W2 M A7 Y requestVariant[0].bstrVal = itemStr;. M" F# a5 f, Q$ ^# V' p1 A, H6 H
1 l3 O3 y+ E: ]( W
topicStr = SysAllocString((WCHAR *) L"system");
; m" K* P0 t* j7 _ VariantInit(&requestVariant[1]); 4 f9 j) M/ M* h
requestVariant[1].vt = VT_BSTR;
0 n! ]$ t( I. H$ g3 Y a requestVariant[1].bstrVal = topicStr;
: B" l1 S/ j, [+ w g) j ( n$ B9 _8 q" M3 Z) }# `% N& R* u. G
// Set the DISPPARAMS structure that holds the variant.# p+ S3 ]+ @/ X* L. o
. C/ h3 N- }3 _ u3 D4 K0 h( B dp2.rgvarg = requestVariant;$ i- G) }3 ?- v% n- X
dp2.cArgs = 2;8 Q3 o I' b. `% K* ?) P3 y/ U
dp2.rgdispidNamedArgs = NULL;7 j e! Z8 E7 ]4 Y- g
dp2.cNamedArgs = 0;* b. d* I% `" c) Z* D! O. Z$ d1 |- n
0 W, [! J; I8 i5 G0 `( W9 w& j" s" i
var.vt = VT_EMPTY;
& }' @1 Q" b* d4 D" v
. ?6 p: P1 n0 w% F& c; P7 j // Call IDispatch::Invoke(); R" {- J9 D: d7 J$ v/ p4 S G# R5 Q
, W/ P" d! D/ { hr = m_pDisp->Invoke(% c) p+ h( G. v8 ~
requestID,
( d* ~2 r8 B7 O IID_NULL,0 T% r7 B" l$ Q# y8 D. S
LOCALE_SYSTEM_DEFAULT,
3 V$ {* R1 m5 s, h- H) E _ DISPATCH_METHOD,
" a& _! U$ C6 s$ t/ p; J &dp2,1 L9 N& }$ h: v# b" F( f
&var,3 v z7 _" U- s9 n9 O: e$ U
&ei,
: O: x' x2 z# d5 T; Y &uiErr);
! S i: t4 j" ~3 z: b7 e1 V9 D ( C8 a) Y; B, w) T& S+ x
SysFreeString(topicStr);: w+ M. ~% [: q
SysFreeString(itemStr);
, @7 ?- H1 b! A+ B 请问该程序是获得extend里面的哪个值?" t# F( o0 H; f& 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????
我来回答