|
|
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:1 b% I' m( j1 N n b0 ~) J
Name = (WCHAR *) L"Poke";
$ E# z9 M) W3 l) o& U/ h3 k) k E0 C+ @, ] K3 p! ]" E
hr = m_pDisp->GetIDsOfNames (
`5 |9 ]" e5 g# Q$ e0 q IID_NULL, // reserved
% w" U2 Y" \0 L &Name, // Array of names to get IDs for. A- A7 R+ C0 m9 ?; h2 c
1, // # of names in the array8 k* m8 ?8 ~. g1 F: P
LOCALE_SYSTEM_DEFAULT, // System locale
# @6 f; N6 ^! q! {4 w1 o$ [' _& m &pokeID); // Array of IDs to fill on output
" C8 q# i7 ^1 J) L7 g 5 E2 H: ]8 d: f
if (hr); q" \ P7 r1 Z! h8 l$ K, J5 t
{
$ L1 _! w. i( l: z5 y: p% @ MessageBox ("Get Poke Unsuccessful");& Q1 S6 s: d. H% \( \
return;7 w- S$ T6 [. g9 B3 p7 K
}2 f3 K6 k7 `2 T# u% H7 t
% ?0 W5 P2 Z6 r* B9 d5 D
/**************************传递数据给extend**************************************/+ ~& `" f8 D& X; A, Q7 o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ [8 g0 N$ I0 _ s* r2 q ; n" V2 a, p9 m: V
valueStr = SysAllocString((WCHAR *) L"1232");- J- t6 f- Z% [* D! j6 G$ E: i
VariantInit(&pokeVariant[0]); % z# V7 q6 u8 O$ z" [2 l
pokeVariant[0].vt = VT_BSTR;4 p& b: \ F8 G! _1 W6 m. z
pokeVariant[0].bstrVal = valueStr;
/ }. T! f+ f; N; G# c2 D* {8 F" p3 m; M+ ~- R" g }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 Y2 \+ c. P& U7 }. K- t6 w VariantInit(&pokeVariant[1]);
; J, z4 e% W4 }5 h" x( s pokeVariant[1].vt = VT_BSTR;$ s1 F: v! }# Y; P2 t% C- w
pokeVariant[1].bstrVal = itemStr;
$ \8 T9 D9 J" w2 q! R k& x" R
1 ?3 l- E! Y* c- r4 t' h' E* f6 y topicStr = SysAllocString((WCHAR *) L"system");
& y! B/ Q. r# {2 u4 V VariantInit(&pokeVariant[2]);
* V* H/ \$ f7 W) H6 D# Z( C4 Y! E pokeVariant[2].vt = VT_BSTR;
6 j) V" x0 t* X/ O p pokeVariant[2].bstrVal = topicStr;
! G* Z3 b, [' i* X
+ Y, c" ?, |! ?+ K$ C# a% V7 @// Set the DISPPARAMS structure that holds the variant.8 ] T& e3 ]( p5 @7 O* _% Y, k
6 g& N7 B. m Y& L2 x) f/ q
dp.rgvarg = pokeVariant;
# J7 H4 E2 E0 w; p1 z dp.cArgs = 3;
% A6 b, T- F( u dp.rgdispidNamedArgs = NULL;
6 \! e* L" k7 ?+ O, L( D6 \ dp.cNamedArgs = 0;0 l" y8 E- s: w- X. ]" J
8 ~) \5 f1 S/ {2 L// Call IDispatch::Invoke()
/ m0 z! ]* N5 G6 I
% J/ J0 }6 m% Y9 } hr = m_pDisp->Invoke(
@4 \7 C/ Y9 d0 f( m1 w pokeID,
, R& ]- }5 N& a5 |0 D' C+ x IID_NULL,
! h" n: \7 a V. l LOCALE_SYSTEM_DEFAULT,
% Z0 [& b2 g4 Q; i DISPATCH_METHOD,
" @2 @1 Z9 s; x* L$ f &dp,
( m- B2 v1 g0 e. r$ g4 _ `2 y NULL,: P1 C! ?, z% u! \" [4 ?
&ei," v$ i( `9 Z! D
&uiErr);
3 [& ]0 x' J* ~( d- M
* x$ }4 N2 x. v& g+ M SysFreeString(topicStr);
, B5 ] `9 ?# t# N+ m1 q; D3 n: j! n2 t SysFreeString(itemStr);' r, e, E5 i; z0 m% [
SysFreeString(valueStr);
: Y/ m5 w& g- j! L& y1 ~! R# |2 G p# I
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 r8 x; n% R+ _# \! X- J/ i
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????4 A$ _8 F0 Y& }! R% Z" ~/ s2 o
" g+ C% o d# K/ e8 S, W6 I
% w# A$ h$ o. v6 V
2.这是request的程序4 N% l5 b U& |" O9 H% S3 N( y
// Request a value from Extend) Z$ S, f S2 [3 ^ w, k
//7 t" ]% I7 q5 y* V1 B
// Initialize the variant that will hold the BSTR. Set the variant's
# b1 M+ c# ]; y5 I' n) d t7 q// type flag to indicate the fact that this variant holds a BSTR. Place the
6 y9 b. |% h2 N* S& F4 R0 G% `' E// BSTR into the variant structure.% B" ?! o( a3 E5 [( s
' b% p4 E2 t2 C/ a8 v; ~+ M: J
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# ? r8 V) _1 Y; J6 E
/ n4 `9 L9 J- h2 n& ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. w {3 e! o4 D+ H8 ?
VariantInit(&requestVariant[0]);
9 u/ l; k) @! e$ w" x% u) A" J0 V requestVariant[0].vt = VT_BSTR;7 U& t& |" ?/ A8 B& T
requestVariant[0].bstrVal = itemStr;
7 E/ [9 t! S1 `" c! P1 ^
0 P' p: `! n, d3 s topicStr = SysAllocString((WCHAR *) L"system");
, j- G3 K1 Z8 j2 r( t VariantInit(&requestVariant[1]);
$ X) s& p$ {+ [( o" M( K# a requestVariant[1].vt = VT_BSTR;
0 M+ ^ U5 ~0 Y requestVariant[1].bstrVal = topicStr;
5 o; ^! [9 ?3 f5 Z1 o, Y: C3 o7 h5 Y8 M! r
// Set the DISPPARAMS structure that holds the variant.
+ P! t: e r' V& [" d- T0 b% Q/ n9 ^# @5 s( Y9 }
dp2.rgvarg = requestVariant; l; v+ {' D8 _- `& G. Z* ^
dp2.cArgs = 2;; L- N8 B4 ~7 j
dp2.rgdispidNamedArgs = NULL;
' w8 G: P& M6 k7 p5 E2 A; ` dp2.cNamedArgs = 0;
0 l5 V B! T8 ]- s* q5 e
e( y* C. p3 N$ f7 { var.vt = VT_EMPTY;$ r0 y$ ^" P! I- W
' \7 [) k) `. _/ u// Call IDispatch::Invoke()
- O1 S1 A9 T: ^5 }! R" z ]% c" U/ f# }% M3 L
hr = m_pDisp->Invoke(8 n3 j9 G( G* I! O4 l/ ^' h) `
requestID,
+ V9 a7 v; Y/ {/ A! a5 N& J IID_NULL,
" A7 W$ Y z& y7 C- R LOCALE_SYSTEM_DEFAULT,1 z( G0 ~9 H- _6 r. q
DISPATCH_METHOD,
, b/ ]' q! c/ b7 V &dp2,
0 Z; p4 @. h# c$ \8 K5 g- p &var,! r0 |- a; @' Z8 p0 h) Y: D
&ei,
: K) g1 T* X+ m &uiErr);
6 G: f8 D+ _1 a
" l8 R7 n( l" T& u( {6 d* ~# b& V8 n SysFreeString(topicStr);: f. `" l& r6 n/ j6 U
SysFreeString(itemStr);
5 y" B ^" a. h请问该程序是获得extend里面的哪个值?8 V, m- ^: v+ k" l( _6 `
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???? |
|