|
|
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:
. e6 j) L6 |0 U- W5 L7 J; K5 E) E SName = (WCHAR *) L"Poke";
1 G4 x* x& m& i: [7 O
& G9 K" O& n: K8 K6 Z hr = m_pDisp->GetIDsOfNames (
' N; l* |% q" o2 ~7 ~. G: _ IID_NULL, // reserved+ J0 K! Y) L8 n ]4 R/ `
&Name, // Array of names to get IDs for
4 Y/ ~8 K& z: l* ~/ K; d 1, // # of names in the array, w Q& z% s+ ^6 a& T: @4 F$ H
LOCALE_SYSTEM_DEFAULT, // System locale
/ T' }. t* g9 t3 X- } &pokeID); // Array of IDs to fill on output
' L) S# s$ l2 s, k
; {2 U8 d- s# x' \, Q( p$ f+ X if (hr)" e; B* V$ J9 K; u/ k; I
{& U2 F/ q' ]5 [' i
MessageBox ("Get Poke Unsuccessful");
) j% W/ C. a6 z3 R% V9 d return;( f, b7 Q7 ?+ b# h1 |
}8 A1 n' s- U% g/ n
5 w0 j* W; t" o8 B/**************************传递数据给extend**************************************/
% T7 U' e7 f7 Q4 d+ a' {5 v, e pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);/ D+ Z/ I: E9 R9 [; m
0 G7 x, j! a# p" X5 T: T' @; y
valueStr = SysAllocString((WCHAR *) L"1232");
8 ]' G' s0 k" h& }3 s$ \ VariantInit(&pokeVariant[0]); + d8 G& Y5 ?- m" X
pokeVariant[0].vt = VT_BSTR;
) ~ d. A5 t, o: e: A6 i. X pokeVariant[0].bstrVal = valueStr;
0 E; f% c8 x- m
' z+ ^& o( @/ n" g6 w0 z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 L1 T/ l0 h" ]5 \, ]- A+ ] VariantInit(&pokeVariant[1]);
4 F' A! V$ Z" R) Z; e5 P* w4 q; @ pokeVariant[1].vt = VT_BSTR;* w) v1 Q$ J% O' r+ s0 Y* X8 y
pokeVariant[1].bstrVal = itemStr;
+ Q1 b/ }9 p% s$ y3 N! _' ^; H: o8 E6 [+ N- P
topicStr = SysAllocString((WCHAR *) L"system");+ \! h0 N J9 C9 f
VariantInit(&pokeVariant[2]); 6 k0 i& A4 @2 `! A3 w% j
pokeVariant[2].vt = VT_BSTR;- |0 w0 n. z- H; P/ D
pokeVariant[2].bstrVal = topicStr;
6 ^9 k' }% N2 }, l t
& y; S- w$ q' _4 c$ h6 G4 Y// Set the DISPPARAMS structure that holds the variant.
+ G( w( k) e; A5 q* T6 X) ]4 Z* Z* \& N* ^3 ]: J) A
dp.rgvarg = pokeVariant;
5 A. Y* x; N/ E# h; j% N. D dp.cArgs = 3;6 y( f8 }+ e( K& T G
dp.rgdispidNamedArgs = NULL;
( B' n4 u( R* `5 }) P- o# K dp.cNamedArgs = 0;' ]( ^+ B! r4 F7 M0 N6 X0 B
3 H! T/ A4 V1 l/ a9 ~// Call IDispatch::Invoke()
6 W p, K2 B& w" @ M7 s8 ^' \3 D9 A' o7 Z$ p4 r% ?
hr = m_pDisp->Invoke(
( H R" |. ?5 K/ T2 t/ g pokeID,* b& n1 n6 }- y7 n/ u
IID_NULL,
2 }# h0 M& n/ u+ S LOCALE_SYSTEM_DEFAULT,
% l1 G) k! [. |2 p) t DISPATCH_METHOD,
# B5 o1 {- \8 g9 Q0 W0 V+ w &dp,- s3 W3 P3 J7 F9 x4 f/ G' p
NULL,+ ]4 l9 `" X- b5 B1 b/ B8 v7 H% t
&ei,
8 F1 P7 p9 ]) ]+ n8 h &uiErr);9 x+ x3 M) P0 M3 I
4 t& d w2 f$ y9 y# H$ o: T SysFreeString(topicStr);
% Y( m9 W% j2 U3 K SysFreeString(itemStr);1 }% x5 `3 t/ b& w5 t
SysFreeString(valueStr);
4 Z1 _" a% N2 O% N$ w4 v, b; V! a% y# ^' w, 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???
Z& _ j; E8 U$ ~- C+ Z3 R8 }$ 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????
( r/ g% A1 \1 O
7 f8 W! E$ Z. J# S x) { ~. z: H7 g+ i# q" H# ^; [- z
2.这是request的程序1 Q& E. _2 R8 ~9 H
// Request a value from Extend
7 G" h, g, x8 y* ~$ m. {# j//- I! F' `' v3 ]# ^2 b
// Initialize the variant that will hold the BSTR. Set the variant's% V5 X/ u; g- e; D
// type flag to indicate the fact that this variant holds a BSTR. Place the) e" l7 J/ m! D+ Z1 P1 E4 B6 \
// BSTR into the variant structure.9 {: z+ n" W, j7 j) a0 H S- O
7 z% x# t: h2 f) r
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);- `- J6 n/ D4 l4 l9 K! J
# O+ ~) |* e! v5 {$ G
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 ^5 K6 h q( ^3 U; I* E VariantInit(&requestVariant[0]);
* t8 m" O; z6 W3 K2 k requestVariant[0].vt = VT_BSTR;
. q9 [9 t# h$ J8 c9 `( g requestVariant[0].bstrVal = itemStr;1 i$ y9 j, {+ D3 @8 t% P
% M. \: A% |. J4 X, U, f
topicStr = SysAllocString((WCHAR *) L"system");
: _0 o6 f9 W; C- t$ @; Q S0 m VariantInit(&requestVariant[1]); ; U7 z' o1 N( E0 v! D' W, U
requestVariant[1].vt = VT_BSTR;
& k' N+ l; u: m* f3 V requestVariant[1].bstrVal = topicStr;
: Y; _" `$ r3 l1 o# z: G. z3 A/ t
1 {7 F0 Y) F1 i( B$ ^* Y( `% c$ Z0 {// Set the DISPPARAMS structure that holds the variant.6 e2 K: S/ b1 k. t
* [" ?1 L: l. ~
dp2.rgvarg = requestVariant;
3 Y9 H( S- z7 P, W$ V- }! p" ^* V/ E dp2.cArgs = 2;
! }! E. ~& b7 Y$ f, I/ _, H' q dp2.rgdispidNamedArgs = NULL; @5 e9 q% x f" _/ z; p7 q
dp2.cNamedArgs = 0;
) K3 ~8 @" N, H7 w+ i" {4 \, O' |4 M8 U' }/ }. [5 l
var.vt = VT_EMPTY;
- P1 t1 W2 f/ s1 r) ]0 G: j* }/ x, I) t! `+ q8 L2 a! p
// Call IDispatch::Invoke(): f* g) x/ K/ j/ o
7 c* t7 U# i+ }$ } hr = m_pDisp->Invoke(
/ L# B, s* x* e6 _ requestID,
' j; k. h4 s$ h) p IID_NULL,7 ~1 L% Y' ?/ I9 o7 H6 O) c* ~
LOCALE_SYSTEM_DEFAULT,0 c% m% g" Z* F, W
DISPATCH_METHOD,
! Q6 S( F) D" ?: k3 H; B; z &dp2,) I) ?. J, y/ @( Y8 k( z
&var,
- B Z* W5 Y0 e! O &ei,( ] y% y7 h5 A8 L$ `2 G# C
&uiErr);9 q4 y2 K: l7 _% u" `- \
0 M9 y" N% l0 j# k! Y6 Y
SysFreeString(topicStr);
( M1 ^7 n% j6 N SysFreeString(itemStr);$ v/ J+ g5 \: R. D' ?8 |6 E
请问该程序是获得extend里面的哪个值?5 Q# b& L5 q7 G; M- ]& K
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???? |
|