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:
' ^5 o7 i# r9 W1 J0 ]1 l% ]; H8 s Name = (WCHAR *) L"Poke";8 f; d! }% H4 R7 ~( M H
: ~5 f* n* F( H: \' P$ @* x hr = m_pDisp->GetIDsOfNames (
5 _ [4 L/ A B- { IID_NULL, // reserved+ T! X, X/ \' U0 A3 _
&Name, // Array of names to get IDs for O! }) l$ x7 @
1, // # of names in the array, m! e+ i) L0 G% z
LOCALE_SYSTEM_DEFAULT, // System locale
1 Z% ^# Y$ N3 h &pokeID); // Array of IDs to fill on output' l v/ D7 g8 w% A/ K" V$ h% f6 F
$ Y3 o7 i. Z0 H# ?' {* H+ N1 v% r if (hr)' S- I& G) \! D% s; V( W( _
{
$ v/ s8 Q& n7 S1 H: v+ Y7 I" \ MessageBox ("Get Poke Unsuccessful");2 q% U8 \5 u3 z3 a* g. O _2 \; k5 d
return;7 U4 B7 ?& p* @& M& V, s
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5 L6 o) T, h( K+ v; ~$ d /**************************传递数据给extend**************************************/$ `6 u* M9 O/ c7 ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
* ~" T/ o9 F2 w+ _$ M 2 d- g0 x$ \* q$ j9 r* |
valueStr = SysAllocString((WCHAR *) L"1232");, h, K% Y8 z( Q
VariantInit(&pokeVariant[0]);
7 l$ a+ y' V& Y+ `0 D" j9 } pokeVariant[0].vt = VT_BSTR;3 ^$ o; d3 P" P+ K+ D9 k4 M6 E
pokeVariant[0].bstrVal = valueStr;
3 k I- u( G% S" C 0 D6 _: Q. V# ] Y; B- _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");, q$ Z* t/ V. B: D* k3 t8 g5 y$ H( a9 B2 |6 F
VariantInit(&pokeVariant[1]); 6 S. y. ?/ W& Q' b4 ?0 ?7 [
pokeVariant[1].vt = VT_BSTR;8 ~& F( f) e' q# ^6 a
pokeVariant[1].bstrVal = itemStr;/ C& T3 @, o. b& V' R5 F% v
. ^( W3 P7 a- q6 _ Z# i0 _/ h/ u topicStr = SysAllocString((WCHAR *) L"system");
8 @* W/ D T4 r* k7 Y VariantInit(&pokeVariant[2]); : k: [* b. R9 L
pokeVariant[2].vt = VT_BSTR;
8 ]; ]4 K: O* p- v( v) l+ | pokeVariant[2].bstrVal = topicStr;
# ` S* Y- M& a c, | ! N6 J. \+ M2 @& P0 j- S
// Set the DISPPARAMS structure that holds the variant.% _& }4 }) K+ g( P; i3 W' @0 n
$ }* d, d& Y. I# A: L/ k( {3 `& p
dp.rgvarg = pokeVariant;7 P* e. Q) b. B7 a+ S" z
dp.cArgs = 3;
- t% A! U! G* B% z* m" t8 M! z dp.rgdispidNamedArgs = NULL;6 z' S) S; P; F6 O/ g' ~3 R! `
dp.cNamedArgs = 0;
) J! T$ p6 B1 E 5 x) w' v: V% f
// Call IDispatch::Invoke()5 i; u" W; |. p& i5 \* m9 |$ O
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hr = m_pDisp->Invoke(
0 G& Z" s, F/ u7 ~( w pokeID,$ J; o* t2 Y' T/ O( B
IID_NULL,/ s1 c2 z" e0 b6 l4 e1 o: I G( {
LOCALE_SYSTEM_DEFAULT,
3 S, }4 ^. n/ B DISPATCH_METHOD,7 K0 T+ x( P _7 V
&dp,
8 o& J7 n! q& { NULL,3 g+ L7 \) ]1 b% Y
&ei,
3 R/ G; [0 F. s* b' H J( B8 R &uiErr);
. }& a! _+ c1 z2 l- |+ U( E
6 |3 ~2 B8 {0 d U( x% i; S SysFreeString(topicStr);
( l1 X& }4 ^+ g- }) w SysFreeString(itemStr);
/ q* ~! G- E9 f$ |; d& ^' R SysFreeString(valueStr);+ ^1 }# {: ]( O/ Q3 j
+ ?. d9 F8 J+ c5 ]" [ 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???
9 i- ^2 d7 R- ^ C$ O; Y2 Z, p 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????; P* r1 p9 ?0 K0 g9 K
) Y; \! }, P) [+ r- B1 J
4 w9 v. L' o6 W9 T0 I( i 2.这是request的程序
$ d7 H; v5 a* U/ K7 G // Request a value from Extend
+ X/ Y/ h8 h3 [ //
2 H6 f6 g$ U" t7 N5 q# P // Initialize the variant that will hold the BSTR. Set the variant's
* W6 J. L& A: ~. [0 m1 n" w // type flag to indicate the fact that this variant holds a BSTR. Place the- e: |1 t# V& M% Y+ a3 a4 P% Z8 n
// BSTR into the variant structure.0 j$ ]: Y) g& N. x' Q2 j
6 _( \9 e, C0 x/ d9 q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);5 W8 P7 j0 \6 z+ p9 t/ B9 |
( m9 o5 ^2 [8 V$ i" o4 A N0 H5 g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# w) k2 x" W: }
VariantInit(&requestVariant[0]);
0 G5 K3 E; O7 ~$ C9 i' m requestVariant[0].vt = VT_BSTR;
% `8 _1 X3 S" X4 f: { requestVariant[0].bstrVal = itemStr;
% V r, |5 B7 {2 b
# C$ _5 k# U: S. u _ topicStr = SysAllocString((WCHAR *) L"system");
5 L9 h+ Q5 O! e j) i0 B% m VariantInit(&requestVariant[1]); 5 r$ G6 j+ P- l" a
requestVariant[1].vt = VT_BSTR;
7 \, G( g0 x+ V. R requestVariant[1].bstrVal = topicStr;$ P( q2 M1 J' D' F3 v2 I J: S2 V3 ~
: I2 H1 C# U+ u7 j$ Y, ?+ b
// Set the DISPPARAMS structure that holds the variant.
m0 Z- @; C* r - [# i: l' O; W: Y y. l2 G2 B- l( s3 D
dp2.rgvarg = requestVariant;# c* G/ V% |) U! @8 ]. N
dp2.cArgs = 2;
o& u/ i! [9 ` J dp2.rgdispidNamedArgs = NULL;
% w/ t1 t/ I5 A1 i6 y dp2.cNamedArgs = 0;0 U, I; ^: W$ S- `
1 F5 S" P4 I6 L. D# D9 w- x1 P var.vt = VT_EMPTY;
r5 x. ]! k j/ m+ l7 s) @
2 ^* D$ \: N3 v( N: c! g; P% Q5 q // Call IDispatch::Invoke()# [+ W8 j h3 q7 r6 }2 y
$ Q, z$ l: J, V/ b6 s/ P& i* V# q
hr = m_pDisp->Invoke(
7 ~* E6 B+ P" e% c7 |, o# L0 o- |) N requestID,
7 u& c% e6 p8 M+ n& p IID_NULL,
! N, G( L1 J. G; u; @. G3 a+ `5 f! R LOCALE_SYSTEM_DEFAULT, T6 Z. U8 x5 |' a$ k: _3 g+ p' m
DISPATCH_METHOD,& T. g2 k$ i. S
&dp2,
' }" r \8 B8 I! D' R &var,2 `; |2 ~4 Q5 F8 M7 {% Y+ {
&ei,
2 U" B/ Z8 a- ~# O7 M/ }9 t5 q* X &uiErr);4 \6 ?' U) E) I. i. u: z5 H, b
: b# }& a4 ?$ c& M, K4 s# z- h
SysFreeString(topicStr);# N; ?, E8 `/ D2 D |
SysFreeString(itemStr);
- c$ @; G2 @0 M' e' ?6 N 请问该程序是获得extend里面的哪个值?
4 Z. P8 Q4 ?: t A7 ?) y; N 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