|
|
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:+ J; S1 O* n9 x& }( A( a
Name = (WCHAR *) L"Poke";& x8 C4 N A7 d) w% v
7 h5 u4 X7 [( o- [6 ~, N: Z
hr = m_pDisp->GetIDsOfNames (
2 z8 E4 ?* b) ~& w, u: L# u IID_NULL, // reserved8 I+ z+ U( x' d' v2 K! |' u' L
&Name, // Array of names to get IDs for
) o% `/ h l/ M' L 1, // # of names in the array
* m1 R0 d: {8 S/ q LOCALE_SYSTEM_DEFAULT, // System locale. O' M2 s3 s) W: ]& D
&pokeID); // Array of IDs to fill on output! ^8 ?* ?. v9 p' ^2 x7 l
R. {1 h5 e4 V2 J6 l% F4 O
if (hr)" E' ?5 d' s# {8 X9 [; C
{
) @5 D' z4 V* ]; R# d2 ] MessageBox ("Get Poke Unsuccessful");- p* T. O! d( g
return;1 V6 Q1 h" g' R+ \# g
} u) c* }1 n: v9 ^
0 [8 S( z" k" d& l1 T( k
/**************************传递数据给extend**************************************/* \) m4 u& B X4 F! B
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# F4 m7 ], K: {3 _' K8 U6 ?; h: `* G
+ @2 a6 u; f6 j4 a$ Y2 P l valueStr = SysAllocString((WCHAR *) L"1232");
1 l/ W$ A1 m$ T" n VariantInit(&pokeVariant[0]); * R" d: K* P, c% D2 ^6 o& ?; Z) M
pokeVariant[0].vt = VT_BSTR;3 u* `* z+ ~, Q) p, g/ B0 y$ d
pokeVariant[0].bstrVal = valueStr;
5 \( C& }9 u& u) w7 D% g$ |
2 {1 {! r c( [* B9 G7 m4 I, l itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
, i2 C( l' H, p- w. p% h VariantInit(&pokeVariant[1]);
/ d0 y" c4 P% ]) w/ f5 x9 y pokeVariant[1].vt = VT_BSTR;1 s7 O# ?0 p% ?9 @ k
pokeVariant[1].bstrVal = itemStr;
7 e' a j7 ~8 C, N/ r9 o N0 t5 `. O# Z6 [5 R/ M$ d
topicStr = SysAllocString((WCHAR *) L"system");
7 g, O8 X/ v1 f, |0 I VariantInit(&pokeVariant[2]);
' g n2 i5 G, R. E s0 d4 U pokeVariant[2].vt = VT_BSTR;* W7 X% W5 `0 M2 f j
pokeVariant[2].bstrVal = topicStr; u0 u+ N0 Z ?8 T
( h2 y/ w$ G& ^3 {6 _& i
// Set the DISPPARAMS structure that holds the variant.
% O/ p% ^# J* `* ?1 t4 ]' K0 T/ Z
dp.rgvarg = pokeVariant;; M: x- P! R0 m+ z& u
dp.cArgs = 3;
- P1 I3 l- X5 b( e: a, f dp.rgdispidNamedArgs = NULL;
' b: b4 A7 ~; K' G8 H+ y, M dp.cNamedArgs = 0;
7 j* E, X- p7 [; o9 e) V$ ?0 n: \ f: W, I& U! J9 `' I
// Call IDispatch::Invoke()2 s- l" ?8 r- u7 z, \' B
" T0 ~" U4 V) l
hr = m_pDisp->Invoke(
4 B$ b. K1 t) R, g* x! v pokeID,
5 ~( N% Q; O6 N C8 D IID_NULL,
! v* G& B3 w8 h LOCALE_SYSTEM_DEFAULT,
7 |9 ]. y; w8 i+ ?" j% n5 Z DISPATCH_METHOD,2 o: b& _/ g$ b" d/ v
&dp,5 x& u% P8 v1 I- h5 }7 h
NULL,
[) _- ?3 a% U# Q; S &ei,! m( b( A/ j S N5 R8 t
&uiErr);
7 u0 t# O3 Y0 A2 Q4 R
# Y& `- e# @" M1 {6 f+ n SysFreeString(topicStr);
/ ~% D0 J, V, k5 Y j" b SysFreeString(itemStr);
! t! N3 f! o/ a SysFreeString(valueStr);
, c" r' I+ K/ n$ h) d: M
& N4 O {- P' L0 b8 g" M7 G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???( p" [+ A3 O3 q r1 R( x h
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????
0 y5 V: G' x9 I4 X
1 n; W) E8 P) y! x" ~
! ~+ I6 w+ _( N: E% ~2.这是request的程序3 w- x# `- @" k5 p( ?0 C3 H
// Request a value from Extend- V4 H1 i, [" Y0 V
//. ?$ \/ V4 G. u/ t" W
// Initialize the variant that will hold the BSTR. Set the variant's
' A; j# s/ C% U1 x z// type flag to indicate the fact that this variant holds a BSTR. Place the$ B- G; M6 r7 t2 s3 |3 B9 d
// BSTR into the variant structure.
3 @% g9 Z5 j9 N+ ?+ V/ x$ |, e( ~9 H' ?' c7 V3 ?* V
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
4 ?' }2 v1 j1 D- o4 R. U1 a- L $ C2 f8 |# j v* `4 x( f4 U- r1 k
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ j! ?5 a) A+ b; o7 b6 w4 E VariantInit(&requestVariant[0]);
) P% d0 m& e+ y( g* D, l- J& v requestVariant[0].vt = VT_BSTR;. V$ V5 d) A1 M, K7 B
requestVariant[0].bstrVal = itemStr;4 e; @5 Q3 a. i8 h% N
" e3 w1 T" ?8 C& {+ `/ V topicStr = SysAllocString((WCHAR *) L"system");
2 k- q6 B: o+ f; q1 v VariantInit(&requestVariant[1]); , K) A T% r0 Y& H& y' Q: _
requestVariant[1].vt = VT_BSTR;+ f/ H- J/ B* \8 E& V5 b% E
requestVariant[1].bstrVal = topicStr;
/ k4 e- K& M0 ^
# E/ B& [: d: c7 c [/ q$ x// Set the DISPPARAMS structure that holds the variant.
0 m* H# G3 l+ u+ |
# h* w1 f: T' v# m$ h dp2.rgvarg = requestVariant;
) ?( `7 ?. S! u X dp2.cArgs = 2;
) q1 {/ }# |5 h/ ~/ r9 e dp2.rgdispidNamedArgs = NULL;$ c4 ?- Z" U# Y' j
dp2.cNamedArgs = 0;$ ~ B0 z& p5 L$ V4 g( l. c4 ]
$ H1 c3 H: f: a, C var.vt = VT_EMPTY;
2 A3 r% X) G7 X4 m6 z w. [- X* j* X8 I# O/ V1 c
// Call IDispatch::Invoke()( y3 ?8 r! ~) I# x1 v. T
% m8 a. k' F/ L/ V% c' s T hr = m_pDisp->Invoke(
. R% i5 u8 j) @" |( E! V6 p4 z requestID,
4 n+ P3 M. w7 g& d A8 ?0 t2 z8 K IID_NULL,- d7 a c0 Z/ x9 t) C! B! w2 r
LOCALE_SYSTEM_DEFAULT,
$ G9 C# P5 D: p3 O2 [7 ` DISPATCH_METHOD,# m2 F; Q# S; O r, p/ P, U/ f
&dp2,
. t2 O( `% x* j" Z* x &var,
5 U6 T9 M% X* ]0 }* Q, Q% j &ei,$ Y( N0 S+ r7 s7 e) c: l7 g
&uiErr);- H0 |1 s8 i9 i6 e4 g
8 I+ v3 i9 j; v. q0 e; S SysFreeString(topicStr);* n* u" R& a% j& n
SysFreeString(itemStr);8 Z& ?# o& @3 z; r+ R3 n
请问该程序是获得extend里面的哪个值?2 E2 c; [3 x3 ^
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???? |
|