|
|
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& C8 U# m% A7 K+ CName = (WCHAR *) L"Poke";: `; J. @" N; S2 t8 A0 G, |. {
, `# z, q D1 [
hr = m_pDisp->GetIDsOfNames () w9 v& d% H$ l9 U8 ^
IID_NULL, // reserved* C1 O9 j' Q! R* N
&Name, // Array of names to get IDs for
* x# }' ~/ ~. d3 b, k 1, // # of names in the array
7 |( h! p+ S% g4 W7 h# y6 y9 } LOCALE_SYSTEM_DEFAULT, // System locale
& E# I9 C. m; ~% L, O &pokeID); // Array of IDs to fill on output
# ?. C7 d9 S' g+ q) a
# v" P5 c! w0 t. K# y9 C/ P if (hr) I* Y7 a* b4 q9 D3 h% j
{
# ^0 V- h/ M# i* D& Z MessageBox ("Get Poke Unsuccessful");8 `3 i; ?. {, m) d- `+ a$ q
return;3 a6 ?. J' B/ ?- v
}
; q) |# o- l6 n6 A3 u- s& A
/ @. P# j+ N+ I2 z A6 G/**************************传递数据给extend**************************************/
U$ A+ B6 s6 t( N pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
1 g3 j- `1 [+ T1 g ' V9 S& j& {: X5 t1 E* ~
valueStr = SysAllocString((WCHAR *) L"1232");2 J( j0 }6 c- Y5 M* L
VariantInit(&pokeVariant[0]);
0 s# I6 H9 C/ @ h% v [ pokeVariant[0].vt = VT_BSTR;
( d( V' m, T# P6 L+ Z0 z; S! ~ pokeVariant[0].bstrVal = valueStr;8 c/ g6 z2 o; I9 M# u( O/ V
. Y. ~/ I' ? B1 Y8 T# }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
* B& y9 U# \1 `# ]2 \& o( q VariantInit(&pokeVariant[1]); * m) \- i& b4 Q: c/ N* \6 ?
pokeVariant[1].vt = VT_BSTR;
, D+ N/ g `+ J5 ?: E3 {5 u pokeVariant[1].bstrVal = itemStr;
% w, a# j9 L% t% Q. n
! G, @/ X& J5 X" ~7 h8 Z$ a topicStr = SysAllocString((WCHAR *) L"system");. n% |3 q7 ]# L; W2 e: J2 n6 |
VariantInit(&pokeVariant[2]); ) Y3 e$ z2 G: k5 s2 S' ?
pokeVariant[2].vt = VT_BSTR;
# l \" C! B- V+ J; }4 K5 E3 Y pokeVariant[2].bstrVal = topicStr;7 M2 H0 _% z! `% x
+ D# I! T3 X9 L- Z5 g$ W$ S// Set the DISPPARAMS structure that holds the variant.
; y, |. j3 I' e
; z$ z/ J# K4 v1 v4 v6 Z' X+ J( r8 V dp.rgvarg = pokeVariant;
8 @0 ?5 F' h# h3 y, p- B dp.cArgs = 3;5 m0 G# v, n4 R b' u
dp.rgdispidNamedArgs = NULL;
( R- |- K' E/ o! u dp.cNamedArgs = 0;
$ C& n( N. ^$ \+ h' @) _; Q8 [. A! E; K8 k( _
// Call IDispatch::Invoke() P' [, o; y) Y2 ~2 W! G
p! a* [& B# C% }" n hr = m_pDisp->Invoke(
. T( e/ `) S+ f6 W pokeID,+ h& t1 q, n3 y0 O
IID_NULL,
( T3 D8 G/ B9 x, R2 I( x, x LOCALE_SYSTEM_DEFAULT,7 u$ L6 h2 q d8 m0 I
DISPATCH_METHOD,
! `7 ?5 w/ ?* ]3 @ &dp,
9 H% G2 W2 p5 A3 I+ Q7 R* ^ NULL,: e* I3 U# e& d+ J0 r: a, B
&ei,
% Z- E7 R/ k+ t, ^: H# o7 A& M &uiErr);
' Z" x- _/ K$ {
. p7 O8 B% z6 J% ]# B* W" j4 f* N) \ SysFreeString(topicStr);
) O4 V) p6 \0 n4 ] SysFreeString(itemStr);
* c* q) c, ]7 {/ |( i( E5 Z SysFreeString(valueStr);0 _! U/ ?; t! h7 t8 r) H/ d
) u, M0 J5 U6 D9 T" X$ H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 k$ ?, L4 Q6 n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????+ E0 `. ?7 m6 ]. N2 [6 g
: y$ v* [5 p" l4 S+ v
4 T1 D3 B! v: ~- f2.这是request的程序
6 z6 S4 @: u' v0 X, R. e) T// Request a value from Extend
5 n6 j1 W; a# y0 z//, M- i5 R# _ F$ ]& \# S
// Initialize the variant that will hold the BSTR. Set the variant's0 h2 }$ ?) ~8 g
// type flag to indicate the fact that this variant holds a BSTR. Place the
# U$ Z, x8 O2 x& y7 @8 [& }2 m8 m9 y// BSTR into the variant structure.9 e7 D5 P# d. m+ y4 d
3 F: F3 |" b1 P! n- ~, @
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
; x1 r, `% l# }
7 N7 d5 d% @2 S- {8 ~; ?! P- M itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) s( v; y0 |. g, f& y' |
VariantInit(&requestVariant[0]);
. D% l7 A3 O6 \! p% p; ~4 Z requestVariant[0].vt = VT_BSTR;
! q2 M d% h0 V3 U3 j' a. A requestVariant[0].bstrVal = itemStr;
$ z" w: B4 c+ d
5 i; v/ u, v% g8 y$ f2 S7 {+ t topicStr = SysAllocString((WCHAR *) L"system");( e7 W8 J# `, A/ Y
VariantInit(&requestVariant[1]); 4 R6 X. C& v% m+ ?4 @( u" R" B/ `% _
requestVariant[1].vt = VT_BSTR;* O# e5 ^# {6 m7 b- l1 S1 W' b" u; q
requestVariant[1].bstrVal = topicStr;- n+ u" C9 |8 ~2 l7 {3 h$ o- p
' ^/ p" b4 @' h. U
// Set the DISPPARAMS structure that holds the variant.2 @" N F# u* l& Z3 q
, K! S! \, y) O B0 Z m/ E+ d/ l: {" F) h dp2.rgvarg = requestVariant; ^5 L% U7 A0 g, k1 V
dp2.cArgs = 2;) g; ^2 q# e5 v! h) ~$ F# l& I
dp2.rgdispidNamedArgs = NULL;
# K/ A0 Q. \' K% m% f0 X5 P dp2.cNamedArgs = 0;! s" H9 G/ E3 {6 [9 M5 \
+ b! g$ v+ @. H m' H- C var.vt = VT_EMPTY;
0 l1 l. B# B- C# Y! B8 J; p' F" ~8 a3 J) |. I4 r
// Call IDispatch::Invoke()# P1 O. z: e% U) W \* h1 [ Y1 ?
' @/ ] \$ K \ B6 P$ | hr = m_pDisp->Invoke(
O1 V! f: e5 U* K& X requestID,
! T6 w2 |7 }0 Z/ V; n IID_NULL,1 [. q9 h: U) z2 l
LOCALE_SYSTEM_DEFAULT,& ] V% U! m# ? q; ?
DISPATCH_METHOD,
+ k2 G0 |6 l* R, Z &dp2,. @& k2 ?1 {$ P G- ~6 g4 a; J
&var,; [! }# T' @, x3 g* y
&ei,# s! t+ m' x) K: ^8 \
&uiErr);/ y. e: `. G; _
# a1 V. O4 l: ?
SysFreeString(topicStr);7 A8 ^4 D0 |3 k2 `" O" ?4 @
SysFreeString(itemStr);
# o2 d, G/ }+ f+ C1 v请问该程序是获得extend里面的哪个值?: k, W: Y6 L2 j( m% e% @0 u
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???? |
|