|
|
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:
+ k/ i3 D, u+ W) C! c0 ]Name = (WCHAR *) L"Poke";6 g4 A. W$ C2 d2 j( }
- b* B3 W j f# e2 P3 O2 a# p hr = m_pDisp->GetIDsOfNames (1 ^. Q& w& {! B0 s1 R$ Z
IID_NULL, // reserved( J) q9 a8 k9 J! O- Y% v
&Name, // Array of names to get IDs for! B- X+ e% c8 S o$ ]; J, F2 M
1, // # of names in the array
; w1 Y/ Z* W5 e' I LOCALE_SYSTEM_DEFAULT, // System locale/ Y6 f' \# \, u6 E
&pokeID); // Array of IDs to fill on output
0 e9 o4 g" ]3 l8 X9 W# R 7 h: g5 Y/ s: {1 v2 t% \( y5 c
if (hr)
% c$ B" U( s5 z& R: E# Z {
, ?8 S9 l9 @7 O* X6 L/ |) @5 Z! ` MessageBox ("Get Poke Unsuccessful");
: a4 a% W/ Q1 [3 f9 X% z return;) B% }! ?+ ^/ ~5 K& `6 ^
}6 @+ w1 C7 p. c
, d. w3 G n: n- L/**************************传递数据给extend**************************************/
5 `5 f2 W: y7 S' y& N2 @ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 B( _+ T3 ?4 }+ h8 G# m2 {" K! w* L( l
5 x% N0 ?) z7 Y: I- [ valueStr = SysAllocString((WCHAR *) L"1232");
. D( {$ n: l' i& k% b2 t VariantInit(&pokeVariant[0]); 5 T' y- U L7 u! t, r
pokeVariant[0].vt = VT_BSTR;
! S& k1 a. Q# J0 S pokeVariant[0].bstrVal = valueStr;$ o5 Y" O0 W6 z+ u7 N( r
8 t; L, R# G, `; G9 e
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
( I7 v j2 r7 G3 ^ VariantInit(&pokeVariant[1]);
( V% m, |+ B1 i2 ^5 G) K( u2 ^" b% F pokeVariant[1].vt = VT_BSTR;! @* t9 T0 q* ?; ~; w5 ^& U* Z
pokeVariant[1].bstrVal = itemStr;
$ U) n( L* g; K6 u' h* G
1 ]! [6 l/ S$ g9 S8 v* x, { topicStr = SysAllocString((WCHAR *) L"system");) e% ^8 X# c5 O0 a
VariantInit(&pokeVariant[2]); . Z" ]9 m- v( B0 x% y1 T
pokeVariant[2].vt = VT_BSTR;
; _- X& n$ G' A5 H8 P5 [: Q pokeVariant[2].bstrVal = topicStr;7 @% `6 i; N8 ~5 c1 S5 a
) j/ @1 I2 H% k1 E// Set the DISPPARAMS structure that holds the variant.) w! W, Y: c- h: L+ u
+ V- R# k* V) j: Y, G! c8 D" } dp.rgvarg = pokeVariant;
; l; u) ]$ C9 ^5 F dp.cArgs = 3;; J; k' g% C0 a: G- i, k0 b
dp.rgdispidNamedArgs = NULL;9 E2 I( \/ W* m6 i' C0 R+ X2 }% {
dp.cNamedArgs = 0;
7 ^/ x, ^6 k: C1 _1 H
5 k4 o1 z: M# Q/ p; Y& {// Call IDispatch::Invoke()+ f% t! @9 {5 T2 X- r% I* m" V ~. y
X* L* |+ W4 ?
hr = m_pDisp->Invoke(
2 T$ e2 j! m+ i! [( [0 {. p pokeID,
0 w$ p7 y* `# y% ^; p6 d% C. @1 Q IID_NULL,- v3 k" \0 V) g" E8 U& H/ {
LOCALE_SYSTEM_DEFAULT,
) {' w( ~ N( K' }$ }# b9 `9 E DISPATCH_METHOD,
9 Y2 V9 z i+ ~1 k &dp,; [) g6 O& r2 q" G% Q' m
NULL,. S0 j+ e6 w1 x, g0 ]
&ei,
" s/ g' j$ `" k6 Z! z# s &uiErr);
9 N& a7 v+ P- b" E% a/ R1 G: ~3 w2 i- t+ A' t- P: s
SysFreeString(topicStr);& P- n/ L; ] A6 P4 |
SysFreeString(itemStr);
; T8 W3 `" r: C# y0 Q SysFreeString(valueStr);) z l. N" ]% C+ b$ j
5 T* z$ @: O& N# S+ x
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???& M+ ~, t0 c6 o' ~
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????
7 O* X6 V; W' J7 Z: M; R0 Y0 a, y" L' I5 V+ Y( Y" _
" x, a7 {3 N0 h7 [. R+ j, I
2.这是request的程序
4 R' R: B* L( J1 Y! b// Request a value from Extend) q+ T @+ x7 B+ R$ X. a
//
; Z& S. v1 C% x5 \8 @; k// Initialize the variant that will hold the BSTR. Set the variant's9 Q, {, E. ~' P* B# D- s0 I$ u! v
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 t: ?4 I7 L9 `" U// BSTR into the variant structure.7 [# B- w- G3 ?8 J8 y2 e% P
" p$ O* ]9 M: b2 l( z1 C& Z
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
5 | o/ f0 l( ]4 D* R+ E
/ v$ ?( {, X! F5 \! k itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 ?& E: q2 s# J
VariantInit(&requestVariant[0]);
( G. \$ ~5 H0 g/ Q! r6 X8 @ requestVariant[0].vt = VT_BSTR;
4 r; B7 C* Y) L6 G I requestVariant[0].bstrVal = itemStr;
. L. z! }2 a! ~0 i/ Z h# ^+ b; B# u! o w ]. B! l7 \, d" v
topicStr = SysAllocString((WCHAR *) L"system");, \5 F; O$ r0 F4 Q' q: ]! \, D2 f# H
VariantInit(&requestVariant[1]); $ c# E7 _' d W% w& m9 H8 Z, `) m; ]
requestVariant[1].vt = VT_BSTR;
) g- `% X, Q/ ? requestVariant[1].bstrVal = topicStr;
3 D0 b" T* N& F m, ~, ^$ Q
% Q, K Q. p, ^5 f- N7 G- G// Set the DISPPARAMS structure that holds the variant.: T' R, U# T* x) r
' }# D% j. g/ c b
dp2.rgvarg = requestVariant;
( w, |* D* a$ l0 g dp2.cArgs = 2;
/ ^$ c% \. O, t; W, P1 u" | dp2.rgdispidNamedArgs = NULL;
1 c3 N* T- l3 B& v* o# h dp2.cNamedArgs = 0;
* N; T% `9 v J) m/ e( l$ q% x% Z# M+ I& i+ O
var.vt = VT_EMPTY;6 c7 \0 m m# ~3 W
+ L9 [% y( [1 P9 v0 l/ {// Call IDispatch::Invoke()
* B- S& @: g5 Q+ K% D; [3 I ?6 M
& _) j2 h2 G$ I E* R1 a( ~ hr = m_pDisp->Invoke(
0 Q1 B3 z$ ^2 q' _, @ requestID,
: s$ Y5 s; ^ m/ P IID_NULL,
( B& Q5 w% @1 Y" k! [ LOCALE_SYSTEM_DEFAULT,. d2 A% E# P. k1 ^" G( C7 ]; O
DISPATCH_METHOD,
0 Z" ]/ N- P- N; m. Z3 R &dp2,* j6 B0 V+ ]3 h2 I) y% L
&var,: a6 N( {' M/ {
&ei,) `8 D/ y3 a# j; b9 s- a
&uiErr);
: r( e& C1 g3 B) b5 n, Y% [. ?& Y
! g. y7 H; a, C. t' \0 T0 } SysFreeString(topicStr);
4 N2 W" `7 k+ [# L3 C SysFreeString(itemStr);* q1 x7 v, j' R* s/ O( T, b
请问该程序是获得extend里面的哪个值?
" y- K" ]% f0 P9 F2 C, e! @0 H7 c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???? |
|