|
|
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:/ l! ~5 c( u0 ~8 ~' N3 i* ?; O
Name = (WCHAR *) L"Poke";# p# K9 r- S8 B$ j( }
+ p8 v& W4 r+ f5 V* h hr = m_pDisp->GetIDsOfNames (3 l3 w1 K4 s5 k7 ^) a
IID_NULL, // reserved
2 W5 D; l0 T2 h6 c" A" A- Y0 v3 M7 [ &Name, // Array of names to get IDs for
$ e! M' L) \5 E; a0 N 1, // # of names in the array
$ I1 W% h5 A1 a7 v7 t LOCALE_SYSTEM_DEFAULT, // System locale- j* K4 n5 y. e/ O8 C( x2 w- H
&pokeID); // Array of IDs to fill on output
6 D- s- V7 M( N* S4 W; g2 j
. r. m9 Y+ i- L2 v1 k; U5 c2 |7 k& Z if (hr)! r `. K6 i, \1 {3 m
{
6 c* \4 c% V6 ~2 t; {% H; v MessageBox ("Get Poke Unsuccessful");5 P" H; d6 y. H8 v% |0 e/ X0 U
return;3 |9 s, T& z1 T3 s9 U) T5 w
}; w$ Z) j W9 ~5 @
: d. W: M0 c% }/**************************传递数据给extend**************************************/# q) |" f3 l2 \8 K* m) E
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);, d6 r* {6 a! F: [
' Q- [7 `* g% r ?7 o- J" m
valueStr = SysAllocString((WCHAR *) L"1232");
% n; G" p! C; m$ {, P& @/ t VariantInit(&pokeVariant[0]); , N, L% U+ P, d/ W
pokeVariant[0].vt = VT_BSTR;
$ c: h& I$ r; \$ I( a2 o( @; N9 j) m pokeVariant[0].bstrVal = valueStr;
( `) k/ h+ q" k/ o; l* I; ]: j
0 x5 G9 b# T3 f$ E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ W! B. r- }4 y8 ?* m& T VariantInit(&pokeVariant[1]);
4 O1 B* k" e& C8 j" K/ y, o# B: k5 D pokeVariant[1].vt = VT_BSTR;
3 W. c5 u4 o& e( ~/ h, J% ] pokeVariant[1].bstrVal = itemStr;& a5 v- V" y' ^" G
! e1 h& U. }- d( w6 Q( v$ Z
topicStr = SysAllocString((WCHAR *) L"system");
/ j" N5 y& r" G" k) x4 q' ^# G VariantInit(&pokeVariant[2]); 8 G" w# g n5 b* z" o; j2 A6 M
pokeVariant[2].vt = VT_BSTR;
# I( y3 x: g* u: ^ pokeVariant[2].bstrVal = topicStr;
% s( s- g @& }. B+ O( f* Q/ v
" x6 M) s3 ]# c% A1 l// Set the DISPPARAMS structure that holds the variant.. @5 ]# U+ T8 l6 c( O$ W1 L
+ m( O: r$ S$ K% x' ~
dp.rgvarg = pokeVariant;
" d& t; Z& u- N# \2 y dp.cArgs = 3;
1 `5 @4 b2 m# y; u4 ? dp.rgdispidNamedArgs = NULL;
! ^+ B. T5 E# j' x/ t dp.cNamedArgs = 0;1 I0 o3 h l8 T8 h8 t
% l/ a3 l- n4 M+ n! H5 H; Y
// Call IDispatch::Invoke()' G9 {2 I2 I6 I5 M4 L
+ R5 M' A9 G9 B. M; F6 ^
hr = m_pDisp->Invoke(
. s/ I8 X9 H! I' q7 a pokeID,4 H8 }$ \* K! |$ a
IID_NULL,- u, m y( Y9 v% B' F
LOCALE_SYSTEM_DEFAULT,
- a$ T& g% F5 O% O% T, s DISPATCH_METHOD,
* U) f% Y7 K1 g1 W" B* A4 b5 V &dp,, c( D, J. v( s! J6 [: X
NULL,7 k$ `+ y/ r4 u" t( ~, Y1 s
&ei,6 w! j1 r1 z/ k& W* C8 O. P) e
&uiErr); t f% u, j3 D3 }
" N/ f. z* {; E SysFreeString(topicStr);
( F: u' T$ \5 c) Y SysFreeString(itemStr);6 q3 o8 g% ?6 b- s! J- K% R
SysFreeString(valueStr);
) W' z1 U6 T, r+ b) b; [$ F) Y, I' j; l n2 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???. n! S: f1 e2 |+ W/ _4 X! \
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????3 X2 X v! B7 \/ T- i+ u
' s$ P7 g0 R( O4 U$ X0 M
1 G. `/ |9 ?3 M- X" T9 g2.这是request的程序
& L5 y/ n& W+ ], C* h; `5 m3 H, F// Request a value from Extend
% A. A' B5 _ t' y& u: @. F//$ z6 |7 M/ w0 s' O' Q8 ^$ s
// Initialize the variant that will hold the BSTR. Set the variant's
" s6 N3 k ]3 B( ]+ J' v// type flag to indicate the fact that this variant holds a BSTR. Place the
% C/ D: r* Y# {3 p3 `# [// BSTR into the variant structure.2 g$ ]; y) S$ |: |
- C* d: H+ F; B4 n- L
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
# W& A+ P1 ]9 o1 l
5 g1 k) ~ @2 f: a$ t M4 ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! I" @$ F$ o' f5 @0 |# U VariantInit(&requestVariant[0]); 5 `1 M' f! J, q3 v3 d6 z7 Q4 F! s
requestVariant[0].vt = VT_BSTR;
0 p$ I5 C4 Z# {1 v requestVariant[0].bstrVal = itemStr;; N$ G! a0 p- l1 T+ Q
1 `2 W$ H+ N/ ?3 j q0 `: m
topicStr = SysAllocString((WCHAR *) L"system");! O1 H; G) S6 i9 r
VariantInit(&requestVariant[1]);
- g9 }1 \7 R k ~5 i% d% C requestVariant[1].vt = VT_BSTR;
1 i" n. d9 \) I; Y% |6 ] requestVariant[1].bstrVal = topicStr;
' g5 e3 {! W# Q6 j |! O- ^4 t$ t/ M& p; c# p2 [. ^
// Set the DISPPARAMS structure that holds the variant.
. `) H& U7 k, t5 b7 k5 Y
3 w! ^ }" C! E0 X% D* m; r dp2.rgvarg = requestVariant;
) R, o7 n. k* Y( B$ ?6 w dp2.cArgs = 2;# F; g6 {4 c, }6 X* ]; ~
dp2.rgdispidNamedArgs = NULL;
- u5 l9 H% p- W/ a: B" F9 X dp2.cNamedArgs = 0;" G' d r# C$ N4 u3 {7 f
8 o) W4 V5 X3 n# ] var.vt = VT_EMPTY;; U1 _7 [( w X2 |% ~
: S: z. _" X' X2 O, P( V9 u5 {// Call IDispatch::Invoke()4 e5 V" X9 F5 f8 s# N
0 z1 I% [6 K' t# a# Q) H hr = m_pDisp->Invoke(
/ {: A' y& q1 v5 ? requestID,
2 L3 B& m6 c3 _* B+ {, W; d$ Z, @ f IID_NULL,! |/ Q& f8 T5 n) h' g W& e. m
LOCALE_SYSTEM_DEFAULT,: N Y" g8 U, V4 a* \# @
DISPATCH_METHOD,
- j0 D4 z; N' Q &dp2,
& G! x7 d! f& @$ f1 S &var,
9 w$ C8 P6 u; h: a* K" n5 S &ei,( H; w) ]; p: T2 }
&uiErr);# y1 e3 O0 P* B8 W
5 Q: W) N6 v+ `9 D, p$ {, K
SysFreeString(topicStr);, R+ @9 A6 n: E3 k8 P
SysFreeString(itemStr);& Y! W! o2 p; y. @# \6 P; u
请问该程序是获得extend里面的哪个值?# {& A p3 t" 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???? |
|