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:& J5 X0 v( E' H, ^! e4 `9 t) E
Name = (WCHAR *) L"Poke";, \9 S( F; N) g; o* m# ?
9 N p5 E1 I7 m7 `- e* N8 {, y hr = m_pDisp->GetIDsOfNames (
! q- w" a4 q- k7 s# z# q IID_NULL, // reserved( f3 ~8 F3 y, [0 B0 `% l. `2 q
&Name, // Array of names to get IDs for
- G1 w; Y- H+ a8 N. ~ ] 1, // # of names in the array2 n: |2 Q: [3 f5 z/ D
LOCALE_SYSTEM_DEFAULT, // System locale0 m0 @2 B& e' ^7 c
&pokeID); // Array of IDs to fill on output# |: F2 ]9 ` p- V
" T0 c* B, u3 Q ]$ M- T" W if (hr)
& Y8 C0 o: K4 g$ X4 W& ^) X! q! Q {
; J# f0 C q& h X& \ MessageBox ("Get Poke Unsuccessful");
; i% U6 k1 `1 l0 _ @* Y return;+ u* n0 o: ?# S3 T7 b; E
}, N/ i1 B% e; q9 D: N& q
3 f5 ?+ H) ~0 k$ B /**************************传递数据给extend**************************************/
9 ?( z7 j3 H# A! J pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
T3 K. t# \6 H/ b; O9 E4 u
1 g% d [9 n2 {9 N valueStr = SysAllocString((WCHAR *) L"1232");
8 K3 U: e( d& p% ? VariantInit(&pokeVariant[0]);
# m0 k% M8 v1 J ~; L/ x+ @- k. t pokeVariant[0].vt = VT_BSTR;! {+ I9 ~6 t& N$ ]8 X+ K- I
pokeVariant[0].bstrVal = valueStr;
6 L+ G" @" B# x: T + s5 A+ K o5 \9 ] }
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 u1 a7 ]! L" Z6 w! H. F$ d VariantInit(&pokeVariant[1]); 9 @) D- H4 } ?4 K `+ x+ b
pokeVariant[1].vt = VT_BSTR;8 T* D3 p+ ~) v1 E8 w2 v% H5 c
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( ~# o2 |: ~# q2 D' k/ H VariantInit(&pokeVariant[2]);
% f* }% P: |+ z pokeVariant[2].vt = VT_BSTR;
2 w1 b1 e! o k3 c pokeVariant[2].bstrVal = topicStr;9 U/ ?" p, q1 T' ~/ b) z( K
% o* W9 a- H' f: _! |- e // Set the DISPPARAMS structure that holds the variant.
& L4 W6 k5 E. H " O# F1 p' a& E6 t
dp.rgvarg = pokeVariant;1 w2 b! {( h( i# |( Z9 h1 a* Q" c
dp.cArgs = 3;2 H' p/ s: I( x9 v5 d& R
dp.rgdispidNamedArgs = NULL;' Q# @0 [- ~& ^" V
dp.cNamedArgs = 0;
5 ~ o7 R2 m- C' O, L
2 @4 T8 C2 Z. L4 v) u7 p( B // Call IDispatch::Invoke()+ R. s ] R, [6 h) D z9 f& S
- B. m/ Z9 l/ j; V hr = m_pDisp->Invoke(
, R+ B% C% i' A pokeID,
) d/ A' c ?% T$ i5 \+ r8 _! j IID_NULL,# Y7 E9 y' F' j1 L3 S, R
LOCALE_SYSTEM_DEFAULT,; v+ X1 [! D1 T
DISPATCH_METHOD,7 W: h. H% R l3 y! a4 B% A
&dp,
0 X) C1 j& s/ k7 ^ NULL,/ h1 X6 o8 j L$ o' J# M
&ei,
) G5 ?' c! b5 \! y1 w I" T &uiErr);0 ~, u( l1 d# J: ~$ w) u( {
3 e8 ^1 N3 U$ e" p" e2 v% V( a
SysFreeString(topicStr);% B, W! U- W+ N) s4 ~
SysFreeString(itemStr);1 i/ U" G1 ?0 E$ U( Z6 E( |0 x0 ^
SysFreeString(valueStr);
0 j( \/ y0 z& x g; C; v4 F2 j7 L0 } - B n9 i. c% X& o$ D: 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???
9 N- {' b+ W2 E* T 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????
9 j0 u! T u& u" t# t
/ k5 { }, _1 S 3 I2 i1 |% U3 @8 l/ U' G0 Y
2.这是request的程序
/ e# h& }- V2 E // Request a value from Extend) A+ z; U% `: z
//0 H: Z. l2 O7 X
// Initialize the variant that will hold the BSTR. Set the variant's K; m, i- `6 H# @/ s
// type flag to indicate the fact that this variant holds a BSTR. Place the
% u1 O8 h; {2 H% _3 N2 {1 Y- X // BSTR into the variant structure.
) D; ^" k8 I& W. G9 I6 k, [4 `/ H; x
8 G$ k5 N1 {. ?- q9 R requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);+ A' h z) C6 H, @5 x9 v
W0 \* s& R- h. d* m1 q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; ~" G- w2 r. ?9 @' w VariantInit(&requestVariant[0]);
9 e3 ~& c8 S2 l+ Q( } requestVariant[0].vt = VT_BSTR;
7 f" J; k* ?0 q! Q6 c requestVariant[0].bstrVal = itemStr;4 L' J8 r# o C, V9 |+ f
1 E+ K3 T8 N/ \& Q
topicStr = SysAllocString((WCHAR *) L"system");
# S" N" K1 x. O% _ VariantInit(&requestVariant[1]);
% Q4 Z2 W& O4 X requestVariant[1].vt = VT_BSTR;2 }; d6 s- H$ Y/ z. t6 v; R
requestVariant[1].bstrVal = topicStr;
5 [1 _" q' C8 P. H, N
4 Z8 ?" u( E+ m5 K // Set the DISPPARAMS structure that holds the variant.) A5 C; g. u' g" G, a$ |3 }+ S
& w& d) A9 [$ w) s$ k9 y
dp2.rgvarg = requestVariant;
7 |! K* V7 X! s, k, a dp2.cArgs = 2;
: Q) k# P; G/ a9 j3 U7 ~; e* Q! g dp2.rgdispidNamedArgs = NULL;
. X- T( n9 o" w$ p0 k. |( m dp2.cNamedArgs = 0;2 x; p( Q- {8 ^& M, T% j
2 Q: |$ [7 T0 B3 k' v: ?( x var.vt = VT_EMPTY;
a Q z( ]: i1 l& Y1 _
; h; r5 y9 z* J: W' }; q // Call IDispatch::Invoke()/ B1 V7 ^+ L- ]
, b; F1 z8 K/ _4 U1 R hr = m_pDisp->Invoke(" |& D% p6 e4 n7 k) N0 |
requestID,& m/ x+ \# @3 I
IID_NULL,
( O+ [( X3 ^/ J LOCALE_SYSTEM_DEFAULT,
7 \( D* h3 q+ M! f9 y DISPATCH_METHOD,
; g: E( q! D: X8 d1 E. h+ y! X1 R &dp2,
F4 \# c }/ t# A6 v &var,
3 w$ `3 Y- N( j &ei,
; y2 m6 ]& f* j" S* d0 Z &uiErr);) Q/ t* J8 K; l" O2 X2 a6 M
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SysFreeString(topicStr);
+ L2 e& U+ m- R SysFreeString(itemStr);$ m, l1 E c r% `
请问该程序是获得extend里面的哪个值?
- I' F; G, ?0 L; Y1 [2 E7 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