|
|
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:& m9 ], l2 l1 q( q0 a! A3 K
Name = (WCHAR *) L"Poke";
0 m3 i; g0 j& }, j1 B 4 S! h- G; `, U- j; E- J
hr = m_pDisp->GetIDsOfNames (, e4 l2 a- K: f3 i b
IID_NULL, // reserved, \/ p" P7 |4 {
&Name, // Array of names to get IDs for9 g$ a! [7 N, b+ B) @9 m
1, // # of names in the array
5 O4 X1 K/ {4 E5 C- m LOCALE_SYSTEM_DEFAULT, // System locale2 a" D1 C- O# o3 I
&pokeID); // Array of IDs to fill on output
# E7 o! y, g/ e6 w
& U, D; D3 n# |1 K$ Q$ F. m if (hr)
: q6 r7 u( f* E2 h6 ~9 g6 Y {
1 g9 `, @" @% x% ]1 A MessageBox ("Get Poke Unsuccessful");
6 p% W* ^) h( E return;5 S5 d* l$ [: F: ^. F$ U
}( [$ l- @+ @2 B! p! X3 A% b
3 a3 z0 e7 R$ |/**************************传递数据给extend**************************************/9 J& M A. h ]" r5 v
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
- H7 j+ y1 _/ c0 | 9 b, o' A& v! {: a! M0 `$ ~1 @: T
valueStr = SysAllocString((WCHAR *) L"1232");
* c! S* A' o/ D \# z- q) w3 p8 |! R VariantInit(&pokeVariant[0]);
; J+ b2 c7 b6 ~! s( I pokeVariant[0].vt = VT_BSTR;- q+ b, w- f/ O. P+ {4 i" ~. W
pokeVariant[0].bstrVal = valueStr;- ?1 `$ Z6 _: `8 y) d
- ~# O; j) \3 ]3 f6 S/ s ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% ?3 n8 u, }6 U7 t; A VariantInit(&pokeVariant[1]);
7 _1 U" L( j# o2 [ pokeVariant[1].vt = VT_BSTR;
* l$ H1 R9 ~8 ^/ J C5 O pokeVariant[1].bstrVal = itemStr;
7 P" n! ?! U4 N9 k% o: q+ V1 M
" f H/ s% g( L$ w topicStr = SysAllocString((WCHAR *) L"system");' d7 D: i% v6 B" d/ k
VariantInit(&pokeVariant[2]);
+ Y/ f) O0 u9 Y4 F pokeVariant[2].vt = VT_BSTR;4 c& r- N8 P2 o$ x
pokeVariant[2].bstrVal = topicStr;
0 s/ c- c# K$ n4 H
w' \$ G- F8 C0 h3 m5 f* [// Set the DISPPARAMS structure that holds the variant.
0 q9 b0 W: [5 d8 Z4 {
* a$ z; e/ M) x dp.rgvarg = pokeVariant;
- C9 ]) V, i( W, b dp.cArgs = 3;/ `( {2 J$ K3 x6 E6 q# H
dp.rgdispidNamedArgs = NULL;3 L, o0 n O" }7 n! m+ p. i0 l1 T! }
dp.cNamedArgs = 0;
- w7 m9 _; Y4 A1 x% a L. Y- B/ u* }/ h) |
// Call IDispatch::Invoke()
( |- [, n' Q# }+ {4 ` b
5 v; Y* G' w" x- ?$ ]$ m* ? M hr = m_pDisp->Invoke(7 M: G( W5 s8 A, U! H4 @
pokeID,4 l2 _% |, D8 s" d. T
IID_NULL,( I3 s; Z1 W, n6 v7 V7 e7 V
LOCALE_SYSTEM_DEFAULT,
7 v+ M6 R* r9 F. d# k- f: I% O5 p* ~! @ DISPATCH_METHOD,
& ?; ~! f1 |/ R# }5 G &dp,: |, d# M5 ]/ b6 t7 b& } M2 G
NULL,3 p) f6 g! H; x2 d* D
&ei,% o: @; ]2 P9 n9 {4 H" z
&uiErr);2 h% v% R8 m& p& e, S0 u9 B" R% o# I) ^
( Y4 ]. ~' G2 l1 w5 e- f; _0 d
SysFreeString(topicStr);
* n- r1 ]0 W" V) B7 M8 {0 m SysFreeString(itemStr);
# n1 \9 B0 q2 |/ t3 i4 @ SysFreeString(valueStr);' i, y: H7 ^ B! F
+ c- h# M/ f4 I) ~6 X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???( p3 L" g* l/ R" y) f
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????6 @7 q* {+ F$ h- W6 Q& `1 ]
; h' j" w9 z; h9 i* T. ]- a
3 y% g' j& H4 t# [' J- J7 G
2.这是request的程序
$ {& j2 K. I1 f( V/ k// Request a value from Extend
! l, z J7 w" n8 q//* o: g9 q& v$ N
// Initialize the variant that will hold the BSTR. Set the variant's
9 n' \0 Y4 _7 k, R// type flag to indicate the fact that this variant holds a BSTR. Place the
, o. n3 A( U* A( `( _3 E// BSTR into the variant structure.
y; x" d& `) }8 S! B5 A0 y/ c. D8 Y4 \2 B) O% I9 ?4 Y, V: W
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
+ @' g* P' ]7 n + h8 D& w4 u& C9 _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 ?1 n3 D$ t" h5 L5 ?/ u" v2 V, [
VariantInit(&requestVariant[0]); / m8 ?0 u- W2 Y4 v
requestVariant[0].vt = VT_BSTR;9 e. D" D0 C1 u! q! @
requestVariant[0].bstrVal = itemStr;
4 h- a- w# m2 o0 `3 \% z/ M; R; z* d* E, L) X. X% c7 Q3 R
topicStr = SysAllocString((WCHAR *) L"system");: i6 f) r5 F; a) x& O i$ ^
VariantInit(&requestVariant[1]); 7 d |: p2 H+ a
requestVariant[1].vt = VT_BSTR;
7 ]8 y; f! d9 `* j. C requestVariant[1].bstrVal = topicStr;8 O8 L5 {5 M1 m& _$ P
8 W5 U+ m" R. z// Set the DISPPARAMS structure that holds the variant. [2 u; j* ^5 x) @+ a% n
# k2 F6 y( v6 c$ j% R dp2.rgvarg = requestVariant;9 k- G) ?! Q) ?; W
dp2.cArgs = 2;
6 n8 ~; Q7 H" m5 j, w dp2.rgdispidNamedArgs = NULL;
0 b6 w: g4 v. i$ w+ ?# ^ dp2.cNamedArgs = 0;
9 i, A- O! ]1 T* R& N: a
/ F A2 g6 Z& i9 k var.vt = VT_EMPTY;2 V" \9 V. k2 Q1 G/ \
! @* r- Y, u# T, U/ W! s' F
// Call IDispatch::Invoke()
( O# H* q; _$ ^# F7 q! h
, B) n/ v! W" B# D hr = m_pDisp->Invoke(* I m) j' ~7 M3 O L# x
requestID, O+ ]7 x, G5 ~8 x1 i& B
IID_NULL,) I$ o; z0 h( X
LOCALE_SYSTEM_DEFAULT,$ q+ i2 c9 u* }
DISPATCH_METHOD,
' S9 o6 W& [+ u, l/ X &dp2,
9 \* k/ }/ h+ p' ]5 @) E2 M6 u6 R &var,
. p2 q9 J4 V/ B- U: [7 q3 L4 ] &ei,9 C4 ~% m* q# a1 ?7 r, @
&uiErr);
2 b* t+ f& J+ }: B$ ~( a) ?
c" d+ ?8 f4 n- F$ { SysFreeString(topicStr);, Q2 S4 o- b# X3 q
SysFreeString(itemStr);+ T. `0 t% H* N$ n6 O1 {2 B3 X
请问该程序是获得extend里面的哪个值?) i' M8 C7 ]: j1 z. t
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???? |
|