|
|
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:
! o3 o* e- C7 c6 ?' M& J: |8 fName = (WCHAR *) L"Poke";/ ?/ {# [$ f9 }4 U+ ?
) _- E( h/ I+ E
hr = m_pDisp->GetIDsOfNames (
$ H7 R, y& o- X- l' r7 ?# A1 t IID_NULL, // reserved$ m/ W+ V$ |- ?4 }) s! A3 S
&Name, // Array of names to get IDs for
" @* K2 `' A9 }$ N7 F3 u 1, // # of names in the array3 g) {8 Y( S" m5 A4 O e
LOCALE_SYSTEM_DEFAULT, // System locale/ G2 c% p7 P5 D0 R) m4 o
&pokeID); // Array of IDs to fill on output x" _# l4 F3 G3 w8 \5 z! c
! p0 G0 P$ I W/ G, S) w0 H if (hr). P# }0 K" S1 b, ~1 B3 r" N9 D
{
4 X( ]; w5 C. m) G9 b& h& q MessageBox ("Get Poke Unsuccessful");
( J: k& ~0 _. k8 V2 c6 o2 T return;$ K3 D! g! U. u9 {1 Y* H/ Q
}
* S; ~- t3 n% H7 L' u1 t) {
7 J4 ^. Z* F- G0 L7 o/**************************传递数据给extend**************************************/
- Z; C) m& [. p2 ^; o. x" @1 o) t9 G pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
+ P- I) g& f" O
/ g7 D; A2 l- Z. ^3 c* U6 Y valueStr = SysAllocString((WCHAR *) L"1232");
2 w" Z& r/ [% j: h2 ? VariantInit(&pokeVariant[0]); 8 g: [6 e8 b" Z0 h1 o9 F. Z
pokeVariant[0].vt = VT_BSTR;# N' ?; v/ N/ J( b: v4 B
pokeVariant[0].bstrVal = valueStr;
$ M# t8 T3 \7 U B ~7 ]- N, X' C3 |
5 P* _% G% E) Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) U: V. S; E; f4 P+ {/ g- v) {* {; v
VariantInit(&pokeVariant[1]);
) Q7 ?: D9 C/ i/ _6 ~2 y! e pokeVariant[1].vt = VT_BSTR;* r' {* F* w/ P2 k5 P
pokeVariant[1].bstrVal = itemStr;! Z4 G0 r8 y0 V, v2 W+ }
7 R# r: x- P3 e1 A7 N7 e topicStr = SysAllocString((WCHAR *) L"system");
' B+ P9 J8 X- n9 [9 R# }, {7 D VariantInit(&pokeVariant[2]); ' ~5 R' P& F& A
pokeVariant[2].vt = VT_BSTR;
! n" g& c0 M+ {8 d6 `# J }/ F pokeVariant[2].bstrVal = topicStr;
# B# T b' {( @( |* @
4 [( N- v0 [; @9 G( J// Set the DISPPARAMS structure that holds the variant.6 G X. y. L* j# q5 F' f7 N
( s; x& t; p" j& V, x& f' d3 v' | dp.rgvarg = pokeVariant;9 ]* z* G5 s$ [) }" j
dp.cArgs = 3;
' q" Y0 `* N) A% H1 U" M dp.rgdispidNamedArgs = NULL;
; N) M* T" `0 Y) u. c dp.cNamedArgs = 0;* G% b4 p9 I- }, u4 h2 P# \
" q7 x* {; y1 x5 q/ z// Call IDispatch::Invoke()( `" f: \" D2 _ d8 N
1 @9 Q2 H% X1 y' t
hr = m_pDisp->Invoke(: z, \, n* {/ N1 [' J1 S9 I. B
pokeID,
8 K2 H+ j. z3 @ IID_NULL,& ]1 Z( v, N1 V2 G6 v
LOCALE_SYSTEM_DEFAULT,' Z7 z) j7 y9 L' R$ o% N2 K G
DISPATCH_METHOD,
0 c: p4 H9 J! M: y- M; c# @, [4 J0 N &dp,% g8 H7 K2 K7 u
NULL,
2 P, T' K3 y9 g% c. C; f# r" ^ &ei," s$ _0 s* M) T# x/ Q1 k1 q& D
&uiErr);
1 u4 G; h7 k# \9 W
: n* k3 Y/ ]5 O- m: v. j5 [ SysFreeString(topicStr);( F5 M: O0 F2 D6 c% h& L2 n* i% f
SysFreeString(itemStr);; X4 s! Q$ \6 N& R" X" J# n
SysFreeString(valueStr);
; K' A, ?' t! o* L, n4 y* b, `+ W+ a, ?- i& o( p& {2 |2 y
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???
) l9 k5 X& _: ]8 s4 @8 u( r4 r3 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????
4 w, I% e, d) I1 a3 n
% j* f* d( d1 W6 X" p; T" m7 v: j! d3 O0 `5 A! j4 S% n
2.这是request的程序
% I4 `/ @% `! n' O" W- p// Request a value from Extend
( J5 r6 ]6 _# o//
' w0 m! Y; `3 p: z// Initialize the variant that will hold the BSTR. Set the variant's& L! P4 s) Q% j: s
// type flag to indicate the fact that this variant holds a BSTR. Place the2 {1 e# w9 Q! H' y
// BSTR into the variant structure.
" p/ Z1 ?9 A: p5 V, _9 }
D! A3 R M0 p requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
c! n- i7 `4 O9 U9 e 5 @" y8 N- { k1 y6 F" S& t, `+ D; L3 y; ]
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* G$ ^0 y8 G* j; x% a# h
VariantInit(&requestVariant[0]);
9 K$ f0 A% m- {1 O- Z' e/ S/ [5 I9 b requestVariant[0].vt = VT_BSTR;
/ {( V( U7 a9 d0 d3 G& i7 P% I& e requestVariant[0].bstrVal = itemStr;" |! ?+ Q! [$ K1 w
% Y: s. X5 E( B topicStr = SysAllocString((WCHAR *) L"system");
1 K% \$ j& w4 p* b) G" E- | VariantInit(&requestVariant[1]); 2 U$ j' a3 K" C0 H; G
requestVariant[1].vt = VT_BSTR;, W) b% y; y6 Q( ]
requestVariant[1].bstrVal = topicStr;5 H9 Z1 L' P2 U4 \' z
. |4 `, ^( n3 Y8 m5 {0 p// Set the DISPPARAMS structure that holds the variant.: ^ I1 O$ n. x5 n
8 @' \' [& I: Y; g& F
dp2.rgvarg = requestVariant;- W7 y& C, ?1 p' J% Z6 v. Y
dp2.cArgs = 2;, D$ H6 U. b3 B% ?$ \0 q
dp2.rgdispidNamedArgs = NULL;, o( j' b! n$ n, x
dp2.cNamedArgs = 0;
" Q) F, M' k0 r5 U V
5 y9 n! a: @4 e. c3 } var.vt = VT_EMPTY;
3 R9 ?5 ?5 g; Z' R7 K2 x
0 p, D& ?# z( {( z// Call IDispatch::Invoke()" Y3 l6 u9 i( b8 h' s3 B( D
6 n, |* N$ s1 ~
hr = m_pDisp->Invoke(
. T B/ b5 [8 X1 G8 U) } requestID,
5 o8 {7 u7 {6 ~0 h5 r4 Z, V IID_NULL,, S8 N5 F( Z# D( E# [
LOCALE_SYSTEM_DEFAULT,5 d, q: P: @; O8 C
DISPATCH_METHOD,4 U n8 R8 A( D
&dp2,
. r# ` P: x- i4 ? &var,
( w# n3 {; t4 x5 U: h4 k &ei,- A h* b( Z2 W6 ?4 [- ]8 W
&uiErr);
; o; k7 I9 c. X- T
# {" p$ q ?1 z) g: }* I+ `9 _: R SysFreeString(topicStr);
2 Y* L2 R$ ]7 R- m P! [; t SysFreeString(itemStr);
& p1 D+ c0 c) I; C请问该程序是获得extend里面的哪个值?% F9 u: ]! _% Q( H
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???? |
|