|
|
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:: }* [3 C7 l$ H/ P4 l' Q* w9 s
Name = (WCHAR *) L"Poke";6 x/ h" ?9 L' d9 f: y) x3 n2 s& P
+ @4 r( D8 K" N9 s
hr = m_pDisp->GetIDsOfNames (
" f( S" M- K* f9 e4 j0 D IID_NULL, // reserved
$ O& O# V" F; s" u( |# Z+ Z( [ &Name, // Array of names to get IDs for4 f% w" e% e2 R" h% H
1, // # of names in the array
! A. F9 U6 d, D, \ LOCALE_SYSTEM_DEFAULT, // System locale
7 u! g. j ^8 B" }2 y/ s6 U &pokeID); // Array of IDs to fill on output9 ?; o/ E3 ]1 d8 L' F8 |1 \% K2 I
8 j$ M( s1 p( Q4 J
if (hr)% R0 P2 S: P8 O- I' y
{% b" k+ Z: n0 Z, o
MessageBox ("Get Poke Unsuccessful");
* G# o2 X, L) Y return;
q+ Z, `, c$ ` }
# A9 H& o8 L2 `, L5 d
! j7 q% H0 h/ w% Z; y/**************************传递数据给extend**************************************/
: R$ `4 \: t% w. T6 L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
2 ^/ P( Y( ?$ Y2 h) J- `, y 0 }8 W. I' S; ]7 P" U O( h
valueStr = SysAllocString((WCHAR *) L"1232");
+ T, e1 A% J u+ j! } VariantInit(&pokeVariant[0]); & ]# T$ A, n; R3 i3 {
pokeVariant[0].vt = VT_BSTR;6 a; E0 L& ~9 X2 w3 }
pokeVariant[0].bstrVal = valueStr;; E a- o$ F$ u6 G% w) E8 o* m" r
; X$ C. L, q) ]" i( I {. o. Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- ?* C8 m) C! B& E) G/ W VariantInit(&pokeVariant[1]); g. c- d# F2 @/ n8 d. b# P+ o! F
pokeVariant[1].vt = VT_BSTR;
* U1 u& r; m& [4 r1 U" F9 J6 Y8 Q pokeVariant[1].bstrVal = itemStr;6 g- I" B# Q/ T# C, h' S
& h1 ~& E/ C6 ^8 X
topicStr = SysAllocString((WCHAR *) L"system");0 u) K8 U, q F" S/ B( C+ G% w+ @
VariantInit(&pokeVariant[2]);
b6 ^5 w. t( }) e. [, l$ Q# l8 z pokeVariant[2].vt = VT_BSTR;/ I' ~5 f( V# K+ d) g' T
pokeVariant[2].bstrVal = topicStr;2 N5 |% E( m+ [$ }# Z) f
/ B6 l T1 N' X
// Set the DISPPARAMS structure that holds the variant.0 s2 Z! L* f/ R }. G( F
" ^8 o& A7 f8 B# \- K# q, e dp.rgvarg = pokeVariant;8 g$ p4 D# l1 ^, }9 S1 H
dp.cArgs = 3;" F3 h" e1 e& I7 r" Z! r A& s
dp.rgdispidNamedArgs = NULL;+ J) c3 M- H* p9 {
dp.cNamedArgs = 0;0 N" {0 {, U- K- {1 K/ L
1 E# T5 X5 ~6 C& N9 F! ~/ c% i8 n' J
// Call IDispatch::Invoke()
, ^/ b! A) _2 w& _1 J: }+ b
' m6 p" J, b" l hr = m_pDisp->Invoke(. a0 h, @- I/ Q! y
pokeID,* m5 h" F( U& A
IID_NULL,9 r4 z' X4 g% C- L/ c. w+ i3 D! S& R
LOCALE_SYSTEM_DEFAULT,
4 P' Z7 P* H8 a+ Z DISPATCH_METHOD,8 q, b" w5 B' y! [" J1 h
&dp,$ H* w9 s6 S9 c& V
NULL,
, Z [- \+ u3 T. ?! j" F &ei,( g; T: u* h4 K* E7 e2 \
&uiErr);) {! i" b/ _ i8 Y& C' C( d' s
" X5 Q, e8 U* {+ [9 d$ ]1 b- v
SysFreeString(topicStr);. C1 z, p* S) h! Q0 X* Y; Z G
SysFreeString(itemStr);
3 F7 D% V& z" a/ D SysFreeString(valueStr);) e3 r+ V, r( b4 | U9 u# S; ~' L
. g) D7 x# X' e( N
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???8 k# R l: B6 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????. s% C5 J8 s. o! G D# L
) y% ~! \- G9 n& L) l
4 y+ D: e( h8 m$ C% T8 ?
2.这是request的程序4 x3 w0 j- I( @9 a1 _9 _9 t
// Request a value from Extend
$ E" ^* l( y8 r//
: g, b! a4 V& ]( m- i/ W// Initialize the variant that will hold the BSTR. Set the variant's/ f+ W) b3 n6 s
// type flag to indicate the fact that this variant holds a BSTR. Place the6 p' i$ Q3 Z" y5 b
// BSTR into the variant structure.
0 `0 r: m+ i6 b
! U* f6 p) h$ H s! r: A; z5 y0 m) p# Y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
2 Q3 H3 r$ W4 I; q- v
% h& h) Z z t! M5 h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
! [/ N& [! \ s1 }0 Q6 ~ VariantInit(&requestVariant[0]);
0 J% r7 T9 g5 D8 x requestVariant[0].vt = VT_BSTR;8 k) T6 q8 |6 i5 W- r$ m- v* Y6 q
requestVariant[0].bstrVal = itemStr;; d9 R# Q c) Y; [) I, V! e
' k# K1 I7 y" X, c; l2 y
topicStr = SysAllocString((WCHAR *) L"system");& |1 i# ^( b! t( m, i# i
VariantInit(&requestVariant[1]);
3 X h. N2 J, h9 R requestVariant[1].vt = VT_BSTR;9 L6 P% d9 V8 s- Q4 I
requestVariant[1].bstrVal = topicStr;
2 r4 J5 }2 {: Z
! {- i1 p- a* X6 P// Set the DISPPARAMS structure that holds the variant.
6 {0 w* h2 d( I. f( t1 z5 C0 ]/ u) e: o( `9 V' I3 h" {
dp2.rgvarg = requestVariant;* ?) T) T3 b! ]
dp2.cArgs = 2;
, g- h4 @: V( \9 b0 ~ dp2.rgdispidNamedArgs = NULL;8 B# g4 H6 J: B/ q4 B" T! D+ C# s5 v
dp2.cNamedArgs = 0;$ n! m4 Y2 ?0 n0 Y, F- Y
8 C l. u3 l. @5 ~( Z, |
var.vt = VT_EMPTY;
9 [* ?3 D' e3 Y! L: w' R' n6 U8 E0 P$ f5 F
// Call IDispatch::Invoke()% N' V9 O& _( T% Z( E# i: I4 u
% B4 C3 f9 M% _6 B* T6 g+ \ hr = m_pDisp->Invoke(
6 w# b# l1 v( ? requestID,
2 M; |& _+ Y8 o: ]% ?& L0 d5 c& k6 M IID_NULL,
* r/ X) `8 e @) A. P0 f6 t LOCALE_SYSTEM_DEFAULT,. _) O6 p7 [# O- ]( |; T
DISPATCH_METHOD,
7 R, |+ \; o% z# q% a/ m2 L &dp2,
; ] C$ N/ e4 q* \# {! U6 h* g &var,
z) X+ z/ {8 j* G! b+ J- n/ ]0 U &ei,
5 U' g6 E( e. P3 _% E( P9 g& o &uiErr);% |" t" P7 u, e2 C8 @5 U4 p
- P. X4 c2 a8 s9 j9 e
SysFreeString(topicStr);
8 \3 _6 r0 A, V4 L: }( l1 \ SysFreeString(itemStr);5 }& o/ s: @/ d( C7 B4 g0 b) k- d% ^
请问该程序是获得extend里面的哪个值?0 W* x* I. t1 Z
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???? |
|