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:$ C; L3 P3 _% w* {0 Y
Name = (WCHAR *) L"Poke";
! z& X) g( l* _8 F- d8 i( _
4 U% o. `* ^: H- z, B$ Z hr = m_pDisp->GetIDsOfNames (3 x4 k5 `+ @$ G+ i$ S% |
IID_NULL, // reserved& q2 K; [4 {" I6 z) y8 I
&Name, // Array of names to get IDs for
" x7 [/ I& T A+ e7 w* q1 Z! ]! \ 1, // # of names in the array* ~) j9 [+ r3 a$ r* d! X
LOCALE_SYSTEM_DEFAULT, // System locale2 m* f* X* F1 H( k& L+ q) c
&pokeID); // Array of IDs to fill on output2 J& e/ S' B* J- |& E s/ f" n
" l3 f+ r. {' q( \% e5 x0 S( A' u if (hr)1 b7 G( d+ X# v( i" y
{6 m8 w2 m$ c5 _2 m9 _7 F
MessageBox ("Get Poke Unsuccessful");
# ~& ?6 w0 d3 u& i m0 u return;# c) J! ?( E# R0 `9 h1 I( h
}& l1 V8 E$ L5 d. i, V
0 x' n0 |- x! y3 N! z /**************************传递数据给extend**************************************/
6 @4 _2 T. W& s: \4 ? u$ k0 w4 h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. s* _: a8 B9 f) X
" L2 o) g: V. i3 n, z. Y$ m: F valueStr = SysAllocString((WCHAR *) L"1232");
. g O% b. J9 P. m9 n0 M VariantInit(&pokeVariant[0]);
( N. e9 R* V8 E6 [% Y$ Z% v8 g pokeVariant[0].vt = VT_BSTR;
, Z, _ V9 Y8 U pokeVariant[0].bstrVal = valueStr;
5 j7 z* i R, i; L 6 o% X: y/ k. O7 ^% C0 ^( r
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* M% l; z+ B5 C- I+ o$ i
VariantInit(&pokeVariant[1]);
$ {) g+ S8 }: g- U6 W' s4 X# z& P pokeVariant[1].vt = VT_BSTR;
. q% l& K, m, Z; r0 T6 z0 G; X5 p pokeVariant[1].bstrVal = itemStr; e: I4 v+ x$ B# m
- S4 V1 W9 l) F6 [
topicStr = SysAllocString((WCHAR *) L"system");' u: k& o2 _5 g3 x- u2 Q3 ]
VariantInit(&pokeVariant[2]); 4 l/ _$ Q$ M1 Q" \" g3 }
pokeVariant[2].vt = VT_BSTR;
2 x* l- o6 r# s" q/ j pokeVariant[2].bstrVal = topicStr;( u3 y' B- X1 H* H; j$ h% y
2 J+ o t j. ^2 X+ Q: N! |& v // Set the DISPPARAMS structure that holds the variant.
2 j) ~; D. a/ p* X( Q" ]4 X3 X % N1 g8 U$ c" I M4 n& c/ x- p! i& Z
dp.rgvarg = pokeVariant;
& o3 y# T8 K5 E. j" ? dp.cArgs = 3;1 d9 W) j+ z- h# I
dp.rgdispidNamedArgs = NULL;+ X$ `% L2 O8 u& ]% P
dp.cNamedArgs = 0;
2 E2 ]+ m% \1 f" m9 v; C
' z+ w, y* `% P // Call IDispatch::Invoke()# R" K5 t. ?- _/ j: S' t) q
& o% D% Y5 l& y hr = m_pDisp->Invoke(- Y. b: a& Z! l! A2 A# P
pokeID,6 H2 }# ~! J0 X9 T& {3 [# u
IID_NULL,
5 Q, U7 s/ g; Q4 O2 m LOCALE_SYSTEM_DEFAULT, l0 I$ q9 v s3 h
DISPATCH_METHOD,1 M P! k& }/ d% Y# O
&dp,- V/ S- P/ D- b2 {5 g
NULL,9 A+ V. L: R! [
&ei,8 |! @- o' ], S5 x$ G1 l* ~
&uiErr);
0 b# h! V: h2 O( K# T, W 9 ~# A9 N0 D, J9 ?" x8 ]2 q
SysFreeString(topicStr);
- _ K; a; z0 C SysFreeString(itemStr);
, c. g% h) T: Y9 \ SysFreeString(valueStr);
( ?% Q/ {/ A0 H4 \( z2 X ( M% S2 |" X& S" T5 A8 b
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???
7 o% r8 E& U [, K$ 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????
6 W; Z3 u8 X7 Y
" K3 g) O; G! r/ S. g 7 `9 ?3 Y0 c2 {5 c5 ]2 h9 z( Y9 a
2.这是request的程序5 F. Z3 W: {3 S9 {1 Y
// Request a value from Extend+ y( N( L- T) ^" p: G9 K( [6 |
//
! ~. J: c+ C) G7 K& [ // Initialize the variant that will hold the BSTR. Set the variant's7 Q5 F- I. [# j* G; ~5 p8 h! M
// type flag to indicate the fact that this variant holds a BSTR. Place the8 | H% m4 k/ o/ ?' v5 |. _
// BSTR into the variant structure.
4 j3 G0 ?; Z2 Z( U( ~' s# [ 0 v- H5 \9 V& b- C
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
. R3 d3 {) H( u0 J8 r" f7 W. I
" ~# t) O' i( a/ m0 B itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: J1 y$ p1 H. i7 N) ~ VariantInit(&requestVariant[0]); ( o* f. F/ B6 K o
requestVariant[0].vt = VT_BSTR; a" z; z4 _% O# O
requestVariant[0].bstrVal = itemStr;
/ M8 P1 T3 d2 O; t; N1 o/ ^ . _4 [& B6 q0 H# M( b& h% a6 g
topicStr = SysAllocString((WCHAR *) L"system");
7 `$ |- u& A1 d. S8 T" n1 n VariantInit(&requestVariant[1]);
+ }* d- ^/ n1 o( Z# I/ y9 M requestVariant[1].vt = VT_BSTR;
7 ?2 J; [. L' {' U8 a% Z% G; {9 g( v requestVariant[1].bstrVal = topicStr;5 Y3 B5 R( |; |: d$ n7 }% L
- b$ X* c3 d) \7 y! }- I. K
// Set the DISPPARAMS structure that holds the variant. B$ a, u3 ^" Y7 f( V7 J8 R
$ w' H, g1 m0 u# ?
dp2.rgvarg = requestVariant;
8 t9 r2 Y$ F5 K) ~; K/ ]- b- b dp2.cArgs = 2;
6 B# h& J' E4 e0 ` dp2.rgdispidNamedArgs = NULL;- L+ X( Y* H' F
dp2.cNamedArgs = 0;, n( Q4 A( a8 ~* ~/ S5 @. r
7 K* n/ ]" F: L$ v! g, v1 [- p
var.vt = VT_EMPTY;8 H' \6 ~6 O# ^( H
* q2 O" ?$ V- ]$ t, ?; D0 o: Z
// Call IDispatch::Invoke()! L1 b/ m) W- ~$ e/ K& G
9 s2 K* l" |8 s# W hr = m_pDisp->Invoke(" J8 ^! x1 z2 X- N! p" C" K# h
requestID,
/ ~7 A" z: }! G* k0 x, r! t IID_NULL,, V v) X7 p. `0 H8 f8 y. v6 x
LOCALE_SYSTEM_DEFAULT,
! h! u/ e, K2 C DISPATCH_METHOD,. s0 i! d' G( q* r7 q$ z1 _- O
&dp2,
i$ A" Q6 x3 u &var,
' W( `+ j6 l6 Z1 R9 e2 V &ei,! I3 {% B2 G" M9 s3 \
&uiErr);( H T1 D+ d$ f/ q1 d. \2 A
& o- h# d$ u' [! ]" ]* S7 w) V
SysFreeString(topicStr);
6 A) X% g% _2 C7 c SysFreeString(itemStr);
' I) H& N/ g% I, y 请问该程序是获得extend里面的哪个值?/ }) U% n$ N d1 J# g$ }6 e" P
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????
我来回答