|
|
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:
% B6 h4 `) ]' R" y' WName = (WCHAR *) L"Poke";
2 \# ~8 h: O+ E3 |" A % X2 Y0 U. s/ S6 e X
hr = m_pDisp->GetIDsOfNames (
1 {2 U; {1 I& b% p# G! J1 {; P) K IID_NULL, // reserved3 m+ Z0 I( p2 j0 T% O, v( |
&Name, // Array of names to get IDs for
2 O: j. }2 C! [$ b2 i 1, // # of names in the array V0 s2 d# d! k c( i& k
LOCALE_SYSTEM_DEFAULT, // System locale& U+ \1 n4 P2 z: }
&pokeID); // Array of IDs to fill on output( w+ J! _5 ?4 L9 j
( u, e6 @) U2 i) q7 A; i6 l; `
if (hr)
5 Y2 O$ y) |: O @1 L; `1 W {# c9 _; P4 W$ y# Y1 C. \4 Q
MessageBox ("Get Poke Unsuccessful");7 Q8 g: W9 c) \" Q/ s, k6 `! q
return;
- b2 M( `/ _+ O4 x. J& H: U2 n }5 F+ Q; S5 l5 c1 j) Y" C* u- p6 f* I# B
4 S$ J$ l6 I8 H. e; N: v4 [# D& j
/**************************传递数据给extend**************************************// y+ N4 v. Z9 p
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! y+ @# v$ E# V/ Z# y
5 m( O7 s4 @ d E% H valueStr = SysAllocString((WCHAR *) L"1232");
* n6 F. Q, ~" c8 V4 e( m VariantInit(&pokeVariant[0]); / {; O+ {4 l+ @' j4 A, H
pokeVariant[0].vt = VT_BSTR;
/ ^/ N4 {' z: l- w pokeVariant[0].bstrVal = valueStr;' F5 G2 t# Y) x# h
$ {* g2 E9 U( H
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 Z+ |% _2 I* y$ Q* B! b6 Y( O VariantInit(&pokeVariant[1]); # E& R. x# W- q* R
pokeVariant[1].vt = VT_BSTR;
5 l4 r4 I9 ?' ~: Y pokeVariant[1].bstrVal = itemStr;1 T) k3 e% y& A& W
+ o! a- l8 V Q/ _" s9 b2 {/ \$ D
topicStr = SysAllocString((WCHAR *) L"system");
0 ~/ J7 \. _* |! I VariantInit(&pokeVariant[2]);
4 z2 b4 \! J$ {7 N pokeVariant[2].vt = VT_BSTR;4 z/ G+ J/ [! Y- L
pokeVariant[2].bstrVal = topicStr;
" l/ a2 ^8 T: K q: s1 X; S
3 Z% S' g- Q/ k// Set the DISPPARAMS structure that holds the variant.
' i0 p9 E- {6 V& M$ \2 a5 P0 V# s+ g- \0 ^$ ?9 G! a: h
dp.rgvarg = pokeVariant;2 i/ }0 |4 [5 l- M
dp.cArgs = 3;
) r" a, E" q% D6 P6 {0 h; l dp.rgdispidNamedArgs = NULL;$ c, W9 D. Y4 O% ~. [" t6 |
dp.cNamedArgs = 0;
. O7 _ v l S' e; u' s
5 g7 j5 Q3 z; n. }" n: h// Call IDispatch::Invoke()
9 x: z. N4 N+ @: q+ E( t" H! X
) y1 K0 N; p8 ?9 ]9 |4 s5 f hr = m_pDisp->Invoke(
i2 m1 v3 n5 O1 E& Y$ S6 [ pokeID,- {, p+ C6 ~1 {+ Z
IID_NULL,
9 }/ K$ Z) k# y" _& e LOCALE_SYSTEM_DEFAULT,
+ S, O- ]0 C- }/ Y% P( Y DISPATCH_METHOD,
2 e3 ~5 l' \) l7 B, d' Y0 [ &dp,
: y4 N% l" f' I! I& U9 \3 ~ NULL,& ~- B: N0 B3 Z6 C
&ei," y# E/ P% I, S9 _
&uiErr);0 @6 B: V! {1 H6 ^# Y
! `4 r; H& g r1 K& y6 u SysFreeString(topicStr);" S0 B3 C& O5 t, E; }
SysFreeString(itemStr);- I* N. c* _7 s: v! `' b" [
SysFreeString(valueStr);7 O6 h/ o3 ^$ F
/ a& d7 I. @; X: _3 f" Q, W1 n; T1 f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???0 b, v) c9 g3 @" v: `: C
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????
; w' H6 C, G; p6 X3 g5 r- y% R/ E5 n" u
: N% O/ y& h2 e+ {5 z8 D2.这是request的程序
5 H( I, ` M9 X" |2 J* Q// Request a value from Extend
7 X' p/ h. s3 b- w1 L//
# ~" H- @) e5 q7 a" u// Initialize the variant that will hold the BSTR. Set the variant's; W! g/ s8 z) I$ [' }
// type flag to indicate the fact that this variant holds a BSTR. Place the
8 G+ q* w& J$ }$ h3 a// BSTR into the variant structure.
: u- v6 k6 \; a2 n
4 Y% S& Q; T& P' W requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
, V5 `, x3 y g' [ 7 ~9 _8 A% k, a
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ h( a% |" g# u$ s
VariantInit(&requestVariant[0]);
3 Q0 T2 V9 ~& v B! R4 d requestVariant[0].vt = VT_BSTR;
" b$ ] U: {+ I1 o: [ requestVariant[0].bstrVal = itemStr;
8 n8 X1 |# k; t6 @# e$ m
; U, |; G0 U, J8 R. t. T topicStr = SysAllocString((WCHAR *) L"system");! T0 K% I2 d5 i1 g9 q, Q- j: ?6 s
VariantInit(&requestVariant[1]);
5 n- g/ T' P6 h/ K/ P requestVariant[1].vt = VT_BSTR;4 D" g5 b1 k6 x; f9 b
requestVariant[1].bstrVal = topicStr;1 h9 v* @' X1 `% ]) P9 m
" V; n: U5 r+ K// Set the DISPPARAMS structure that holds the variant.
& K* g. ]* _/ |: i) g* J: v9 z$ M W' I6 `, v
dp2.rgvarg = requestVariant;
& ^; J) A. e! p3 V4 r8 A, P& V dp2.cArgs = 2;
8 Y+ [0 Z( ~% n( } dp2.rgdispidNamedArgs = NULL;! |, ?. O1 {5 K8 y+ a0 i
dp2.cNamedArgs = 0;
% U! ^4 D' U X" C! o8 ~ \: s, i: V8 _8 h! _% o" X7 u
var.vt = VT_EMPTY;, O# N; s3 h" X. A5 w" l6 [
" e0 O3 l: C. f" @0 K. I1 t1 U
// Call IDispatch::Invoke()2 N6 m. z" x* k7 m. P& W" Y5 [
! |0 @: P( b7 R
hr = m_pDisp->Invoke(* P6 r" Z ]: N& L: p
requestID,) p9 M. d. K1 }% P/ U
IID_NULL,
/ J" D+ Y0 F% Y) Q# c4 v LOCALE_SYSTEM_DEFAULT,; @9 q6 W$ H# N) }' B, x4 K9 ^
DISPATCH_METHOD, d J! t: v# r+ c7 w9 k
&dp2,) c7 a: z4 F; u4 V" k
&var,
m% ]2 h) v& \ v &ei,
# M1 }( l4 x' [9 \" G &uiErr);
1 Z. _" w3 Q5 `! ^0 K
7 A- e7 Q) \/ a6 [' X SysFreeString(topicStr);; s! z' i' j# p; m/ \- e, @! Y9 L3 a
SysFreeString(itemStr);: n1 Q5 B) H4 x
请问该程序是获得extend里面的哪个值?2 m0 p! m9 j% o5 H. X
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???? |
|