|
|
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:
6 i; T/ m9 Z( B( E$ E) H/ fName = (WCHAR *) L"Poke";
6 M. R; c* R! \5 n" H
) u; w4 j- V6 u, l8 e1 r/ c hr = m_pDisp->GetIDsOfNames (; l6 N' }& u& m# |2 g
IID_NULL, // reserved( |6 F7 Q- E9 \9 I! c$ P! s
&Name, // Array of names to get IDs for
' i3 d3 r5 I, s) L 1, // # of names in the array
1 V& U; s" L' Z( S# X LOCALE_SYSTEM_DEFAULT, // System locale
8 r$ f5 T" f! J5 ?0 C' Z &pokeID); // Array of IDs to fill on output5 G5 y2 h2 D; a9 e
9 u4 v8 `1 ~# k+ N* q: }/ a
if (hr)0 s8 D S$ q" q7 e# `) Q2 P
{) f' ]" o1 v5 Z: J. T% \$ {1 j3 o) t
MessageBox ("Get Poke Unsuccessful");
3 Z/ @: I5 h) x0 A% T4 g' T6 E return;
9 n$ F& h# N" d1 q }
& q+ Z V' {8 l# r3 a6 p, v2 ?5 K; r9 @" M1 c
/**************************传递数据给extend**************************************/
9 E5 Y: i7 ^) Z- c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);- Y" f2 r3 k& l# v; _4 H0 B# t
5 U- n" z( g# |+ U
valueStr = SysAllocString((WCHAR *) L"1232");
: s' j( T- I* k, N( b% f VariantInit(&pokeVariant[0]); 7 s+ E0 d8 j l+ k/ Q* [
pokeVariant[0].vt = VT_BSTR;& E" T/ S* M# r! f9 q
pokeVariant[0].bstrVal = valueStr;+ c* V: h% O' _! A* o+ g
& s# f4 X. m+ n: @& K
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 Q# V7 I8 P0 u5 {4 _ VariantInit(&pokeVariant[1]); % `; Z# G4 p* i" e. b; X
pokeVariant[1].vt = VT_BSTR;% S, N9 @% c$ I5 z& {6 R. L! B
pokeVariant[1].bstrVal = itemStr;% t& K' S- x, Z2 s
. b# J( }( V: t' Y! x/ Z
topicStr = SysAllocString((WCHAR *) L"system");4 d7 k2 e' c1 K- I5 P% Y
VariantInit(&pokeVariant[2]); 4 ~: w( u# _) R- I( o/ C* k
pokeVariant[2].vt = VT_BSTR;7 I6 U; Q% o/ V( k3 |- _7 ^) {
pokeVariant[2].bstrVal = topicStr;) `+ j4 k6 Q2 t, `9 c
0 M6 Y% h8 G8 o; Q9 y7 e
// Set the DISPPARAMS structure that holds the variant.. \3 A B) w6 p n1 s7 S+ ]/ l
* S) ? i& J y/ \1 Z2 K dp.rgvarg = pokeVariant;
3 |' {% y/ y7 n" v6 T7 I dp.cArgs = 3;3 i: y3 ?3 p5 W, d+ I) u" M X D! d
dp.rgdispidNamedArgs = NULL;
0 R- }5 k, R& {' l dp.cNamedArgs = 0;
! T4 V7 X2 ]8 R9 e8 O ?) m: v5 h5 y% l
// Call IDispatch::Invoke()& q4 P" v1 |! C8 q- B4 A- }
2 G1 Y: S* e; D8 K4 F
hr = m_pDisp->Invoke(
" G* m0 S& z- m4 @ pokeID, h5 W$ m! s- b# R( A5 F
IID_NULL,
; @3 B# ?- R; ^; b, r LOCALE_SYSTEM_DEFAULT,. Z2 P; \* [+ z( I* \
DISPATCH_METHOD,9 f& N3 z7 @; Y* i1 N: ]/ e& Y
&dp,
* N# L! ?* R3 X2 X3 w! |9 O NULL,6 U( a6 V9 s2 @, M
&ei,
& \$ I4 r; O6 ]1 L &uiErr);
$ |# q* Q" Z; B4 k! T7 c& k7 S- n' O8 Q& X1 s! V
SysFreeString(topicStr);+ T) b- l- t) p# W; M. ~) K
SysFreeString(itemStr);
# K6 v2 f) A" d; ? SysFreeString(valueStr);& Q' M: o4 ?" e5 _9 h2 \* h
; v2 l, N" j, I0 B
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, ^* v' [* t5 v# q' }; f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????" d; Q7 R, G+ T; m0 o0 a5 r0 X
& I4 n) X5 D" i, Y9 K
& c2 @! ?/ i2 q) j6 G
2.这是request的程序9 l8 p5 y( A! U/ G4 j0 U
// Request a value from Extend
1 b( W# w1 [3 U# b: K5 O//9 x0 Z# H3 W7 \/ U3 p+ |
// Initialize the variant that will hold the BSTR. Set the variant's7 a! B; K U; P; ]% R6 x6 v
// type flag to indicate the fact that this variant holds a BSTR. Place the5 B5 w# Q- z; Z" `4 k
// BSTR into the variant structure.% c* J2 `1 t; Q$ D9 [. R
2 L* F3 { r6 v
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);. F, e' F7 B5 c/ d% L2 [2 p
' ?6 i! K- a0 z6 A2 [( [$ c% J
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
& Y; ^: ?. ?6 |( q* p VariantInit(&requestVariant[0]);
+ v6 z! k2 f: @8 t requestVariant[0].vt = VT_BSTR;0 Z; ]1 R- E+ j* G6 h
requestVariant[0].bstrVal = itemStr;/ l4 E' Y2 f( }) E
# @# ?# K U1 m4 n; S* q% T R! x7 f topicStr = SysAllocString((WCHAR *) L"system");
/ E) n5 ?6 }3 t7 Y4 n- P VariantInit(&requestVariant[1]); # {( a# B( l! Y
requestVariant[1].vt = VT_BSTR;0 h$ o4 ]: ?8 O& Z x
requestVariant[1].bstrVal = topicStr;; @0 o& p3 v* V0 \
7 }1 q: F/ _8 g m// Set the DISPPARAMS structure that holds the variant.
0 a e$ q1 V, b7 ~ m* s. w; ^. J/ ]. A
dp2.rgvarg = requestVariant;; I8 `5 c% N9 ^0 z) H6 N
dp2.cArgs = 2;
9 o% `( o: C4 v6 W& s% L: k2 ^! u' S dp2.rgdispidNamedArgs = NULL;
: ^% L7 H3 V" T* A9 \1 F dp2.cNamedArgs = 0;
0 b' G9 G/ m. I' {* }* W
% `( H3 I3 w+ ?1 Y. M/ }& w1 T var.vt = VT_EMPTY;
$ z+ V0 c! [7 V+ Y5 s, W( D1 i7 a6 X' x
// Call IDispatch::Invoke()
8 s- x& v" f0 i0 _/ q: O
8 d- g; G- L/ ]8 f- D hr = m_pDisp->Invoke( I+ p3 [& j6 B$ b+ x
requestID,
, y9 E, q* D. f( t5 } IID_NULL,
0 q9 G' z7 R6 Z( ?# n; y- R LOCALE_SYSTEM_DEFAULT,' w: n# b/ [) Z* P8 y R
DISPATCH_METHOD,
" b( u' I1 n' C &dp2,
4 I( f+ F* n' k4 w# O# R* K &var,7 B2 C8 R6 n6 n7 S! p
&ei,
0 F$ ?7 @! M0 P+ R$ ` &uiErr);
$ H. S7 x2 B) K7 B# L6 L9 l
$ H+ a+ N3 ~: o( b% q SysFreeString(topicStr);
' p! \3 [0 w3 N( d SysFreeString(itemStr);
& V) h5 I5 m0 R9 s: x4 `6 C请问该程序是获得extend里面的哪个值?
$ f! E# u. r& {# n5 m% i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???? |
|