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:- B. K1 N% X3 A+ M
Name = (WCHAR *) L"Poke";
3 G+ [; Q# w. t
. _$ V& _( |. |+ x' { hr = m_pDisp->GetIDsOfNames (
# F* h |$ T F$ g4 k6 V8 r/ } IID_NULL, // reserved
1 N7 Q6 l9 o4 G3 N7 H &Name, // Array of names to get IDs for3 {- Z/ j( o; r- U* ^9 f9 c7 J5 A
1, // # of names in the array
) c( [* S/ `) x" `6 D& Y LOCALE_SYSTEM_DEFAULT, // System locale* A# `) y/ U `6 ?) y
&pokeID); // Array of IDs to fill on output
' R: e6 H: J' J7 L
1 y2 n; V: l. h6 L9 R; ^( s if (hr)- T/ Z5 ~: F# {% @% f3 J
{
2 d4 d* R7 H1 |: i MessageBox ("Get Poke Unsuccessful");5 _! l0 i3 J: `+ A: v1 p/ O+ ^
return;* o9 Q1 q9 U# g
}8 `& [7 j: A" W+ J- }" m
' {: Y( f5 u2 y
/**************************传递数据给extend**************************************/8 Q2 q; Q% T( s+ Y7 O a% ^
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 ^# Z3 n( P- d8 O( I
: S$ T0 R( [- b; e" w valueStr = SysAllocString((WCHAR *) L"1232");$ Z- A; X; h( b. g- X p
VariantInit(&pokeVariant[0]); 1 |: ?/ U7 m2 ~: X5 @/ h' o' a1 i; g4 l
pokeVariant[0].vt = VT_BSTR;5 [; f( J. C. ^' Q& Y' W, z: @5 W
pokeVariant[0].bstrVal = valueStr;* {, E/ N8 w* Y8 r" b D9 @7 r
$ Q! ?# H& H1 Q/ L p9 \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ t/ T: a9 k* _ S. R VariantInit(&pokeVariant[1]); . ^) g7 }; ?1 K5 I+ ~
pokeVariant[1].vt = VT_BSTR;
: `6 ]9 L! [% [# a' j1 k1 g pokeVariant[1].bstrVal = itemStr;5 z# i& \" d9 t/ w
1 ]5 Z0 ]5 i6 ]5 Q! F# W2 O
topicStr = SysAllocString((WCHAR *) L"system");% w d0 G) i% z- B$ N% E% [
VariantInit(&pokeVariant[2]); " L7 A+ ]3 Q1 y: a* a
pokeVariant[2].vt = VT_BSTR;6 c3 ~- |$ n7 L9 m/ Z
pokeVariant[2].bstrVal = topicStr;
: U% P9 P+ ?2 R5 x6 U. q; f
0 ^- l% j- u! v D // Set the DISPPARAMS structure that holds the variant.
# C+ ?5 y1 R3 i% D5 ]0 t9 a; Z
! x, W$ y5 T$ |% T2 W dp.rgvarg = pokeVariant;, m# {9 D2 M9 T7 h$ R
dp.cArgs = 3;8 b) J$ `, D* _$ r( w+ ^, o
dp.rgdispidNamedArgs = NULL;
8 Q& D# B( A$ w7 R% \4 F; n6 y dp.cNamedArgs = 0;7 N7 r7 {4 u) V. u2 j6 m, F8 r' e9 V
( ]% p9 A5 M7 x
// Call IDispatch::Invoke(); ^6 ?7 p+ a. e$ b
/ C, k2 d0 ?8 w3 x# C. U hr = m_pDisp->Invoke(
: N, O3 w4 g y4 p& |' ^ pokeID,
( D7 E. O5 [' w* T+ J. ~8 H, J IID_NULL,
# f1 K1 C9 g. b2 }/ C p7 p4 ? LOCALE_SYSTEM_DEFAULT,2 J- T e$ V1 E' a ]+ z( t
DISPATCH_METHOD,2 r: l( d6 s- q- {8 B7 t
&dp,/ c4 A/ m" f4 i5 W6 J
NULL,- Z T/ U; h: X" p R# P, f
&ei,( M5 O2 n2 \/ ]& N5 f
&uiErr);
! Q: z5 I, B# e" _. H3 @ 5 O3 o# ?+ l& }3 u' X: g
SysFreeString(topicStr);
3 g) P9 {3 {8 ? q: p& @ v SysFreeString(itemStr);
* ^5 f7 S" ]$ Z SysFreeString(valueStr);& y- }, ?6 A5 H4 n( Y3 d
4 S- C# e8 o# R8 b 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???
; y/ N# A: [7 B* [ 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 I S$ e& f# N1 U5 n
* D9 O2 @$ w3 d$ Y9 m, [ $ Y V2 S0 W2 ^) a
2.这是request的程序1 h# K/ N. s0 {) c: C Y, p( M
// Request a value from Extend
4 W% y6 q. o `# u' ?5 O: [ //$ _* K$ r' U6 t1 e( k- U5 U
// Initialize the variant that will hold the BSTR. Set the variant's
3 H- T4 G7 _1 a1 Q) l7 [ // type flag to indicate the fact that this variant holds a BSTR. Place the2 m6 h0 Q$ H( }% k" C% }* s
// BSTR into the variant structure.$ h+ J. r; k5 o$ R: A7 v6 c3 U. e6 N% i
r4 d1 p6 Q* o9 Z% \2 z( q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);% S/ m( {& y/ |6 Y7 |
# M p2 |& l$ e; v2 L4 Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- g" `: U8 K4 V4 u, { VariantInit(&requestVariant[0]);
) w0 a$ \5 \4 a$ O requestVariant[0].vt = VT_BSTR;
5 w) m, F' ?" d ] requestVariant[0].bstrVal = itemStr;
& n& [: V/ W7 W h! \" p : x0 D( K* d4 K$ P! }, J/ `
topicStr = SysAllocString((WCHAR *) L"system");5 O2 E, t$ j% A2 E6 ~% ?8 L
VariantInit(&requestVariant[1]);
! Y' O( [& X! m requestVariant[1].vt = VT_BSTR;
# x0 S& h9 T: I requestVariant[1].bstrVal = topicStr;
: f3 Z: U8 F' `- {7 W
; X0 _, \3 q+ V3 V) Q% y; L1 E // Set the DISPPARAMS structure that holds the variant.- m; |, b, r( X# Y
6 h% ~, \# H K: p2 x' t( r
dp2.rgvarg = requestVariant;
9 ~; N) p0 [4 @7 N, S dp2.cArgs = 2;
: F5 H, i4 d* J% w dp2.rgdispidNamedArgs = NULL;( q/ o+ u `; R# w: {$ ^3 @
dp2.cNamedArgs = 0;
, z4 N4 E. Y$ r2 {0 f" k+ F- F6 ~ - M: l9 d6 `+ i- J3 g
var.vt = VT_EMPTY;
4 l6 \1 X; A1 R5 t! Y1 X . y, L$ s# p- T+ [" i# U, }
// Call IDispatch::Invoke()
# A* |& z& P4 J1 A( {# E # X, f, i0 |8 U n
hr = m_pDisp->Invoke(' z* Q4 ^4 x3 z* q3 Z7 w. y: k; X: R
requestID,
( M1 ` F$ g: o1 i IID_NULL,
( x8 n0 X" g7 f, N" h LOCALE_SYSTEM_DEFAULT,
) p# O3 u. f K) G2 D. l DISPATCH_METHOD,, y! S2 I2 Z+ u! l0 j3 p- J
&dp2,3 Y( ? n% k) |" S+ @* \% a+ e* p$ D- q
&var,
$ r! ]2 B+ W" S# j& i &ei,
% Q `) e! I+ O5 i &uiErr);
' y3 R: P, P7 J+ R
6 ~+ n3 {4 h& M3 e- N A) `" r SysFreeString(topicStr);1 `/ |' b0 \! {, R+ I. Z% j
SysFreeString(itemStr);
0 M& _" {% n z+ a$ C; t. x! L 请问该程序是获得extend里面的哪个值?
0 i {( U3 X S& I 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????
我来回答