|
|
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 A& m& w* T3 m9 S5 t1 o" nName = (WCHAR *) L"Poke";8 m& b2 B+ s5 X
# e4 W1 S0 E1 A! N8 V
hr = m_pDisp->GetIDsOfNames ( V% Y, a4 v+ o9 c, x+ S1 d
IID_NULL, // reserved
+ Q/ S0 \0 B) ?0 P9 k- u( S* M &Name, // Array of names to get IDs for
; _. V; m1 R; d3 N+ M: N 1, // # of names in the array) y. [6 J+ V; f- o- j$ ~
LOCALE_SYSTEM_DEFAULT, // System locale: X8 b2 e% ?* N, r6 K
&pokeID); // Array of IDs to fill on output
0 l5 f! W2 R" G, ? 2 Q# a) j- L) z. g n- V
if (hr)
% I# T+ N5 b2 O2 G, p% t4 a {
; r5 `* m5 t Z. }+ L5 L6 M MessageBox ("Get Poke Unsuccessful");
' h( {# r! a6 [& t return;; V# `( a5 ^6 G
}
! l/ F5 ^/ V. G/ Z, @/ S" A5 J4 S9 Q5 w0 _+ ^2 K
/**************************传递数据给extend**************************************/
/ t/ J, A* Z/ S9 I% V! ` pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
3 c8 b6 A' x/ [* H/ R+ P+ w
& y f) C5 C* Y3 S valueStr = SysAllocString((WCHAR *) L"1232");
9 u5 _" K- k* ]; F- O6 N VariantInit(&pokeVariant[0]); + W$ L9 {/ {# E% O" w2 X/ l" H
pokeVariant[0].vt = VT_BSTR;
/ A6 |: g% Q, i: R4 ]. G pokeVariant[0].bstrVal = valueStr; U9 Q) \. X; f2 {5 |' \
: q' @ O, E" G. t itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' B. C' g/ H' A: M" ]* R1 x/ u9 H
VariantInit(&pokeVariant[1]); : [: C" `: g: y- B I4 b
pokeVariant[1].vt = VT_BSTR;
7 b& ?4 W% _: Y pokeVariant[1].bstrVal = itemStr;7 E+ R& |% i1 w/ m3 t$ h
7 t# ]6 ^9 i4 ^$ w
topicStr = SysAllocString((WCHAR *) L"system");5 t% c) J( f7 _! u p
VariantInit(&pokeVariant[2]);
" Y1 ]5 S$ k6 T4 P; a- @; {- M# t pokeVariant[2].vt = VT_BSTR;! d" C; _0 A7 G7 K6 K: H" [" s5 r
pokeVariant[2].bstrVal = topicStr;
) I4 U+ \% Y6 r. N/ R' }7 u6 e! q& A0 r
// Set the DISPPARAMS structure that holds the variant.
5 h& k9 q; W0 {" a' Y F. ~ d! {8 C4 N2 r
dp.rgvarg = pokeVariant;
Q) C1 L, S- y! A1 X* G dp.cArgs = 3;7 ]* E" J2 ?1 l/ A$ w8 j
dp.rgdispidNamedArgs = NULL;* P; w2 X$ i, u
dp.cNamedArgs = 0;/ E, C7 Y* P3 @/ \
" e& t' z! k0 K- C* [1 W: M
// Call IDispatch::Invoke()
/ D q. _- _8 e0 i% N. ^8 W, P7 w& S+ C" Z# q
hr = m_pDisp->Invoke(
' t! B/ l' D) I5 W+ m! H3 a pokeID," K4 Z$ G2 S" L9 K: n" D+ O
IID_NULL,; w2 ?6 o5 {+ Q Q) P5 k+ B0 o1 Q
LOCALE_SYSTEM_DEFAULT,
0 Z+ b1 n+ T; `+ h8 l) V6 e G+ {% A# i DISPATCH_METHOD,
0 A- N8 U, ]5 @9 A &dp,
* b% l! C f S+ \/ U- k9 f- E NULL,
; P# A( L: p; }) U &ei,
4 L" g& A2 T6 y2 J &uiErr);
6 b* Y! h# J( J+ B# l" A9 S4 {4 Z' V9 N6 C4 c
SysFreeString(topicStr);) \! h' x5 I* f2 \6 W
SysFreeString(itemStr);0 i+ ~1 q# f4 o+ w( l
SysFreeString(valueStr);/ v. y8 I( Z/ R3 t' E* k
% h& J# p" g+ 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???
1 \6 `' `1 m4 t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????, s l, X7 U5 V+ e/ d7 m
% y9 _% a: E0 F( L- h9 z
, u5 ], L' Q$ `! g4 r
2.这是request的程序: A! P: k* y `* U1 Q
// Request a value from Extend( x. ~8 m3 J: {/ n. u8 s* f. b7 W! I% v
//9 H9 r$ m+ k+ M1 D8 S; G0 c
// Initialize the variant that will hold the BSTR. Set the variant's
* a' L5 ]1 Z& V1 H8 P W* K// type flag to indicate the fact that this variant holds a BSTR. Place the
+ u) l6 V2 t7 Y! S F$ O// BSTR into the variant structure.
! ~/ c$ m- w( w! B! c, ^5 w- w/ C6 ~8 V' ?" M- v7 X$ k. c
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ x; f9 C8 H( Y& K5 B7 d( D3 `
" g0 h7 H: I1 }$ V itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 e7 u7 M* ~( n0 r% E, T8 ^( T; ` VariantInit(&requestVariant[0]); ) F( J+ e4 ^( b' ]. G
requestVariant[0].vt = VT_BSTR;0 G4 O) l0 O p* f; [2 L# e5 b
requestVariant[0].bstrVal = itemStr;
( J+ K3 a# Q- ^
% p e$ l; G, n/ w% }& c8 S9 p$ R& I topicStr = SysAllocString((WCHAR *) L"system");0 y- w; M7 u) i, J6 L" Q, ~" C
VariantInit(&requestVariant[1]); ) Y& @. Y) ?, @1 d
requestVariant[1].vt = VT_BSTR;6 u5 n# x% z+ Y( C
requestVariant[1].bstrVal = topicStr;
' J6 I) B6 j; @7 ^& z( H# D
& ^) v s A% h// Set the DISPPARAMS structure that holds the variant.
, m: h) L% b9 h$ Q% c# v( q$ `7 w
dp2.rgvarg = requestVariant;
& f5 I4 D+ T2 {. K7 ^ dp2.cArgs = 2;# l$ [) N) s" v
dp2.rgdispidNamedArgs = NULL;
7 U& I* u0 H. f' y dp2.cNamedArgs = 0;6 w s$ d# t9 x& ?! \, }9 N( f
% t0 M* C5 r7 b; p; X9 U( P
var.vt = VT_EMPTY;, n0 s1 o' h1 O; j* ~ @; u0 }' z
% l$ k, G. S$ b. Y+ M
// Call IDispatch::Invoke()
' Q) I# `8 J8 R$ G8 ?7 X! D* ?9 t' {/ b. P# l% h9 n
hr = m_pDisp->Invoke(
" v( K% ?9 W4 l- U requestID,
% V. _4 X3 j% f IID_NULL,; d5 q6 Y; t( Q$ h& z# k U- e& {
LOCALE_SYSTEM_DEFAULT,
* N6 K- E j M% B: k DISPATCH_METHOD,1 {+ X' {# ~6 C' k( M4 U1 _
&dp2,( z& c& S: D' _- Z& a. l
&var,* ?: V; b7 f% [0 C. p& J) w
&ei," m* a: o7 N: ~% I/ L
&uiErr);
- u/ R3 t9 ?: g& r9 V* u
( v: \7 l) G1 K/ v( i SysFreeString(topicStr);
$ @! n! m1 ]3 l6 j, w' G SysFreeString(itemStr);
9 _8 `! q3 r4 x" e2 q; W Q请问该程序是获得extend里面的哪个值?
% o0 A/ [ C2 @+ m7 W8 O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???? |
|