|
|
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:
0 v5 b* u" p9 S, i9 ^' o) H) pName = (WCHAR *) L"Poke";
6 H# N4 q: Z2 _ * [& u4 M8 \8 q$ I- U
hr = m_pDisp->GetIDsOfNames (
: N( F2 g4 ^+ q; `$ d) d* o" P IID_NULL, // reserved
s4 C2 R, a$ r- T h* o &Name, // Array of names to get IDs for$ h$ W3 e$ |! x9 d! D: Q
1, // # of names in the array
# n1 W8 O& D7 {2 r2 J LOCALE_SYSTEM_DEFAULT, // System locale
! w7 d) s- w" F% a3 d &pokeID); // Array of IDs to fill on output0 X" f4 a3 x' Y& J! D8 f) R
9 i' T7 U' |' b if (hr)
: ^- q8 J9 B4 _ {
6 Z* {, P- b/ k2 a2 M MessageBox ("Get Poke Unsuccessful");
1 L- m* s5 Q$ ?- |3 k, R) y return;- R2 u" y1 R: u; U. z, s* Z
}
u! I- K/ x3 E/ U& D
' x! d$ P6 @& L; Q& h' {/**************************传递数据给extend**************************************/
* g/ b$ ~9 n+ O1 `+ \+ t pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; @+ ]5 r8 q4 @4 L& u; |7 k
9 X! r4 }, v% Y$ w
valueStr = SysAllocString((WCHAR *) L"1232");
% Y! }. |; m0 S h5 T( W: u VariantInit(&pokeVariant[0]); 7 s% Q/ p0 X" [# y$ w
pokeVariant[0].vt = VT_BSTR;. |7 B) j" p4 G9 n0 Y, a( ^
pokeVariant[0].bstrVal = valueStr;
) {& C3 s! y3 e2 }+ _3 H. B$ E0 p9 x
# Z: ^& B2 x9 d. q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 |( T7 ^' E7 }; e+ e0 l VariantInit(&pokeVariant[1]);
X* T% v9 M1 Q/ n4 y( s, ?3 J pokeVariant[1].vt = VT_BSTR; G3 e9 e. t8 a8 U2 M \
pokeVariant[1].bstrVal = itemStr;
+ ~& d8 k% i0 J% E# O7 [! y6 X3 u* I) ]9 Z
topicStr = SysAllocString((WCHAR *) L"system");
$ K! \: N# V8 ~ ?" Y2 f- o3 O& n VariantInit(&pokeVariant[2]); 5 }, E, e- ? R5 }& Y Y
pokeVariant[2].vt = VT_BSTR;
" K% ~/ A4 Q: K8 A4 h pokeVariant[2].bstrVal = topicStr;1 }& F; C+ \$ A
; v1 A- F) n3 Q& K( f( d8 K5 w
// Set the DISPPARAMS structure that holds the variant.3 ~1 u; z4 w& G% E
' q9 g' a/ P# D) W$ T$ m! E4 h dp.rgvarg = pokeVariant;0 M, V0 m0 I0 Z& K- W7 O* Y
dp.cArgs = 3;
- O* ?' N/ k) x( Z9 x6 [1 Q! \ dp.rgdispidNamedArgs = NULL;) q3 l5 `, E5 x9 v( G9 e
dp.cNamedArgs = 0;# A4 f4 v5 R% ~7 }( B# Z
& r4 K" |7 Q; l, t& X- y// Call IDispatch::Invoke()' L; m; z- {% F3 V
k1 V- |8 P P* i+ U hr = m_pDisp->Invoke($ Q1 P n- ^0 b5 F
pokeID,2 V* ~& b$ t1 E) N
IID_NULL,
- \' ?: i5 `7 T) K# B LOCALE_SYSTEM_DEFAULT,
0 }- r N7 ~5 i DISPATCH_METHOD,+ b2 h' f# _9 a2 y) b% E
&dp,+ i, ? u5 s: C* ]$ ]0 M$ i7 A2 M6 \
NULL,4 {/ M% K4 M# I( K
&ei,
I1 C+ W2 P0 `6 ~, H% v, Y &uiErr);
6 {9 `) @" ?$ R' P1 k! R+ c5 d5 ?# P$ v% f
SysFreeString(topicStr);
; e2 j" ]' P+ J) G SysFreeString(itemStr);
$ o0 l! v, A; ]2 ^0 w! z SysFreeString(valueStr);
: P3 E9 U- A9 K) o, C( k: k' p/ q! P0 d. j
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???- _5 h* k+ I& p" X4 {8 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????
" Z1 m) m3 e: _8 L( x
1 z( N, Q" h5 X8 d# {9 }8 V( _* |2 L/ u; A! l6 |, l9 U! ]$ i* b
2.这是request的程序
: T2 j/ x H2 b* W! A// Request a value from Extend- w; Y4 D! I. P9 O' ^; E# a
//
! S; P, g7 N( U1 w$ S2 R, H// Initialize the variant that will hold the BSTR. Set the variant's
* @# O0 a: ^+ U! B' Y3 I8 ^. Y// type flag to indicate the fact that this variant holds a BSTR. Place the
3 m* l* z# g1 x ^8 p; J( {5 d/ j// BSTR into the variant structure.
; b9 \3 C' T& w% V3 p7 Y9 f2 X0 i% @- o# E
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
# U9 T" V. S H6 {3 u
+ A% \, m1 Q5 _; n7 | itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");8 F# C& v% J4 F* q a
VariantInit(&requestVariant[0]); 1 N# d6 O6 E& i9 s# p# J% t
requestVariant[0].vt = VT_BSTR;
4 h5 @9 ^8 e: l. i) } requestVariant[0].bstrVal = itemStr;: f* F( f9 \7 h. g
0 K) `( Z& W3 P2 |3 K' h0 P4 e9 g0 B topicStr = SysAllocString((WCHAR *) L"system");
' {- k6 }" R4 [) R VariantInit(&requestVariant[1]);
9 d, ^$ e# l* R% w( A/ j, \0 \+ U6 ~ requestVariant[1].vt = VT_BSTR;
" P1 E% d" ~; z; A requestVariant[1].bstrVal = topicStr;; }0 F& ?( S9 W! T! t; f Q9 b5 k
1 j, `; ^0 ?# ~5 j9 Y( w
// Set the DISPPARAMS structure that holds the variant.
% B% q- C' K& c) f& K8 x, J) C) `) n! ~' b/ t! w7 m( c
dp2.rgvarg = requestVariant;
3 `4 F, w Z, } dp2.cArgs = 2;& M& S6 W3 h+ G$ b$ `, }5 ?/ j
dp2.rgdispidNamedArgs = NULL;
7 d' u1 o- v5 G% v# y* `9 _ dp2.cNamedArgs = 0;! a8 c6 r$ g8 X% K* n
7 P9 y3 F1 u" y2 [8 C% z. P var.vt = VT_EMPTY;% [" c2 N. ?9 R8 m+ u
: x& e# v& `& v, N// Call IDispatch::Invoke(). _! x- ?7 p# @) _1 p2 n
7 G0 L9 f' V8 }% r9 r
hr = m_pDisp->Invoke(& v- P" D4 o- A" c/ S
requestID,' b( ^9 M, @" t' b; E- L, u2 X. r
IID_NULL,- X; T2 `7 [9 g: ^/ P
LOCALE_SYSTEM_DEFAULT,( i! W- X" t) u! Z2 J; V; c1 p
DISPATCH_METHOD,
$ L6 s- W9 Z- d1 Q5 F' v. m &dp2,
: m2 J; T/ U+ j &var,
( z4 @0 c3 f) f# P &ei,
% C& E( z4 M+ Y- J9 Y &uiErr);% r; r$ |8 u+ g$ y" q1 m) t
1 K D- B {* j4 P5 E SysFreeString(topicStr);
" v A& q. |9 n; X% q9 J; J SysFreeString(itemStr);, G# @7 ^9 x$ m; f/ `/ c* g
请问该程序是获得extend里面的哪个值?
1 D7 G( o: Z( D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???? |
|