|
|
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:
% y0 D" a8 _3 \8 `( J1 \Name = (WCHAR *) L"Poke";
" P' X, h5 o! c
6 P; D4 s0 m! q hr = m_pDisp->GetIDsOfNames (! Y. d) o/ Z6 p. |$ L1 k! E1 a+ T
IID_NULL, // reserved
/ n9 |0 q g0 `+ ?" Z" q &Name, // Array of names to get IDs for
$ ]/ C3 v& d7 ` 1, // # of names in the array* d8 Y$ D" F g1 i) h$ O" G, m
LOCALE_SYSTEM_DEFAULT, // System locale2 q B, N* u7 @+ ^2 ?2 `
&pokeID); // Array of IDs to fill on output! s$ q$ f1 Y i- _& Y) ^
" S3 d! Q E' e* E$ A! N8 V9 U if (hr)
2 N, u. c) f* z {- H* S \' L4 b2 V# b
MessageBox ("Get Poke Unsuccessful");
! B+ j; N! b$ ?" S i5 N return;1 k& R) [" I$ I- I3 F
}
% ]1 u! z- _( `: e7 Y, ^+ U. c1 q% w( e. z+ e' O* S
/**************************传递数据给extend**************************************/0 z1 B# U: q+ ]. u1 C. t9 b. T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 I/ y% f7 w' y2 [ 1 q9 W @3 e* d% U. F6 y! w3 `7 x
valueStr = SysAllocString((WCHAR *) L"1232");
1 H% F! v( }7 C. h7 E VariantInit(&pokeVariant[0]); * K6 Y2 |! V: ^, E$ _* @: `$ H
pokeVariant[0].vt = VT_BSTR;
' o2 j1 Z3 z4 U: {* A pokeVariant[0].bstrVal = valueStr;$ @4 x# {2 V! k) t
q- d U" h7 s" U% {; T9 O
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* e, z7 [& r. v8 r3 a, ]
VariantInit(&pokeVariant[1]); & Z3 _. U, ]/ ^$ \/ O
pokeVariant[1].vt = VT_BSTR;
' Z, c) A) I# G6 X* h5 Q. Q0 [: d pokeVariant[1].bstrVal = itemStr;+ T1 m; M! i7 V! T; r0 G4 }
8 H9 s2 Z% g7 J, B( _/ _
topicStr = SysAllocString((WCHAR *) L"system");3 ?1 U: G( X7 |( C2 d5 D
VariantInit(&pokeVariant[2]); e7 B5 H. K" a1 q S5 O% D
pokeVariant[2].vt = VT_BSTR;
9 W5 B. p$ N- W) a& V pokeVariant[2].bstrVal = topicStr;
" L) Z# A+ U6 k3 _8 V, F c' |% a6 n
// Set the DISPPARAMS structure that holds the variant.; [. T% B3 V! _( b) Z0 x, t
# N% b4 _9 C! N dp.rgvarg = pokeVariant;8 L% n! ~/ N* m+ j
dp.cArgs = 3;
3 G3 m2 J6 t( ^+ b1 ^ dp.rgdispidNamedArgs = NULL;
d6 S, q9 l7 l+ U dp.cNamedArgs = 0;4 h2 L) t+ n8 y
: {/ G$ f; Z) q) p1 n// Call IDispatch::Invoke()% A& f! Q4 v7 L0 }- Z
0 ?: d) _0 @9 g8 y
hr = m_pDisp->Invoke(+ A1 u& k* K( u5 ]1 d, a0 z
pokeID,
3 C: o* r* u$ p) x! P9 N IID_NULL,
: F! H8 a. k v2 T LOCALE_SYSTEM_DEFAULT,
3 ^) Y7 }+ u+ R- J( _ M DISPATCH_METHOD,; j+ A1 ^" R* ?$ }- t
&dp,
9 }$ [' \% U, p+ c0 |% a/ x. D NULL,
$ d5 v* h3 ~, ~ &ei, l7 t+ y) f% t9 [# o$ Y/ k
&uiErr);7 p& l& P+ `2 W! i5 _
% f# B& y' |$ y" u- n' x1 @. l SysFreeString(topicStr);
/ |& {2 @9 z* f: J( }& l5 \0 q- I: } SysFreeString(itemStr);
% k; _0 j, h! i3 M. X* g- I SysFreeString(valueStr);" {7 v2 M0 Y% A H) r1 W5 x
: T+ m' a. G: V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???
4 v: B& {- E: t w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 A; n/ R, }. c0 V0 Z' W# Y+ ?- q4 E5 ^/ ]+ J) y, M' F
4 u! N! Z2 o% Z7 W$ ]
2.这是request的程序6 l' y9 H9 X% m! w5 w( L6 V9 p
// Request a value from Extend
) C7 G9 F+ ]- V1 X4 g( d//' X9 n! x* B9 v5 N
// Initialize the variant that will hold the BSTR. Set the variant's
6 ~0 V5 z R. q* ^/ f3 b2 Z// type flag to indicate the fact that this variant holds a BSTR. Place the, l0 x6 F: {" a" X0 a" o* t
// BSTR into the variant structure.. e1 u% A3 t, \# Q% v' f- C
6 k" d" c: f, G1 \4 t L
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
0 a( }" w" Q' s$ w3 j * h. d# {, O( X- L
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 {( m: f. m C" R' I {3 D$ F
VariantInit(&requestVariant[0]);
! {$ d. B* s4 p+ A requestVariant[0].vt = VT_BSTR;5 ?1 R2 v$ s. |5 b
requestVariant[0].bstrVal = itemStr;
) j/ N1 O6 _- ^) P: V2 A* j# V. p) Q& j8 T" L% k
topicStr = SysAllocString((WCHAR *) L"system");
0 k* u2 |, ~5 c' B9 f7 J) S" |: | VariantInit(&requestVariant[1]);
' }$ F% t3 L. Q requestVariant[1].vt = VT_BSTR;
3 l- j( U4 H9 Y( ]# r, ? requestVariant[1].bstrVal = topicStr;5 q2 k, E6 W n$ ^. L1 h
4 x% k; ^0 _; V' A. d* }+ E
// Set the DISPPARAMS structure that holds the variant.
8 i" E9 p7 Z/ S! n
S g$ G5 i7 b; u l9 n+ a1 M dp2.rgvarg = requestVariant;' l% g4 ]" H7 T+ I2 l: |( w; Z
dp2.cArgs = 2;
+ B2 y" Q: @. s ? dp2.rgdispidNamedArgs = NULL;
# y8 K" V% P& L. t5 ^$ w, t) W dp2.cNamedArgs = 0;' i' r0 N5 _' I: F
2 D6 E; q/ c8 Q var.vt = VT_EMPTY;
' G% l9 }+ A) v- B
1 C# G! H% q& {, | w// Call IDispatch::Invoke()) p, |& n4 Q- M" w
6 ]6 o9 u. o1 ]$ z2 U hr = m_pDisp->Invoke(. k* J! N' ]' t" |+ v2 M1 X% P
requestID,1 {. K& s6 u$ o! x0 ]$ @: d
IID_NULL,
/ c/ b, g4 W7 j0 Q, W( F2 `5 F LOCALE_SYSTEM_DEFAULT,
' ^* X+ {& q6 t- ? DISPATCH_METHOD,; }+ O$ I: \ y) F9 n
&dp2,0 p L% O4 \! j% H# D
&var,
0 q# ?+ [' O. j &ei,
- {. d* s! s4 z0 D) T. ~ &uiErr);8 S. B2 F5 Y0 q. C+ Z- A0 w* e
" l& S5 W. e& N `+ ^. o/ A6 f
SysFreeString(topicStr);
4 e+ ]/ N( Q/ |' \8 V SysFreeString(itemStr);2 J/ ^: [" ^6 N0 v
请问该程序是获得extend里面的哪个值?7 W4 x$ V# _0 x! M5 a1 a
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???? |
|