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:1 p) k N. g" E
Name = (WCHAR *) L"Poke";- w0 q* b z# i. R
7 c( q0 ?. q6 u+ T6 H5 k
hr = m_pDisp->GetIDsOfNames (. I+ j# L8 z3 d! L$ b# M0 D* g7 Y
IID_NULL, // reserved7 Y2 t) I" w+ U: C
&Name, // Array of names to get IDs for& y- U" l8 b0 z
1, // # of names in the array
: L0 I& m. b% d {; }! Q+ X LOCALE_SYSTEM_DEFAULT, // System locale/ m J" M Z- {& P" k
&pokeID); // Array of IDs to fill on output
6 L! q7 S' n2 H" ?7 o: M
" d, w: } M- X* U$ V! q if (hr)
/ g' i+ `6 y8 ^; C {/ n0 A4 p: K) t }: z/ d
MessageBox ("Get Poke Unsuccessful");
7 h( g& y5 X- _ return;
! n# A; a# i0 s9 H/ H2 Y! o }) i8 L* Z1 _& S; D5 j; P& ?
* C. t' Y" h' [3 `2 R& ?; g, e5 N /**************************传递数据给extend**************************************/4 w& f, w5 R9 z" a2 o7 L4 v! \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);9 U# e; i- G+ o. ^9 }
7 ?" l- v) k; j7 |0 W valueStr = SysAllocString((WCHAR *) L"1232");6 {+ M8 [6 l/ S+ h9 s1 y s& q
VariantInit(&pokeVariant[0]); - w0 X3 ?5 z( k
pokeVariant[0].vt = VT_BSTR;0 i6 b ~. `4 l3 P9 k; g# g+ G) c
pokeVariant[0].bstrVal = valueStr;1 R; {$ L% z6 Y1 w% q9 m/ [
. W* w* w. K3 s) R; P itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' |3 x. c% k3 h" W
VariantInit(&pokeVariant[1]);
8 i+ j1 t4 T6 e" T2 K pokeVariant[1].vt = VT_BSTR;3 n/ z& b1 G: W3 Y
pokeVariant[1].bstrVal = itemStr;1 H) w+ x* Y* D6 h9 ~7 X. ^
5 [1 l9 O; ]3 m o! E topicStr = SysAllocString((WCHAR *) L"system");
' H9 W8 [0 f6 M. i$ ]1 P. D VariantInit(&pokeVariant[2]);
. Y7 q: e0 U# o5 Q& v1 x pokeVariant[2].vt = VT_BSTR;
0 e: Q3 l; z6 o- `9 a pokeVariant[2].bstrVal = topicStr;
" U. }7 y# y' ~; ?
8 I0 h4 b, }) i' p& s$ ?. L9 R // Set the DISPPARAMS structure that holds the variant.3 r% K; W5 i) s1 ]: @3 i1 G1 z
, c! q' S2 {% X9 ~) `4 u7 O dp.rgvarg = pokeVariant;
4 v, `0 @% U' U+ h# M6 T" f dp.cArgs = 3;/ y9 h! t8 d6 n0 D
dp.rgdispidNamedArgs = NULL;7 m8 {- o# ?6 _& v" Z: Q
dp.cNamedArgs = 0;5 y0 `. y0 E! t. I; y
% g/ X2 C' N" Z+ e: D2 x) e // Call IDispatch::Invoke()% O+ m4 z8 B* H9 p& Y- X$ l/ z
" d2 Q; o' } i: d2 V% h hr = m_pDisp->Invoke(
2 A* K+ ]3 ~1 k+ r }) t pokeID,) I- P) Y5 s9 ?% x) C; K
IID_NULL,0 m4 O# _, h. H
LOCALE_SYSTEM_DEFAULT,
1 Y$ V2 S; h( s" V DISPATCH_METHOD,
$ S& v% K' `! b+ ~' W# | &dp,# Z) f& @; @( I% U3 T3 V" h# A* |# ]
NULL,3 x1 R+ M! V# O4 ?& n
&ei,
/ i$ z+ z6 i) ?* S: ]; \0 B &uiErr);8 Y& q$ h/ j: `1 v! h
; P$ w% Y" D5 e( D SysFreeString(topicStr);
' l/ \! o3 T6 [% P9 U SysFreeString(itemStr);
' r8 C4 p5 a, F- g8 ?; H SysFreeString(valueStr);
" ^- o2 b+ Z$ L! w
l$ `8 M O3 Y$ N 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???
# G) O- @- Z Y S% 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????& f1 c- G) u" Y' A; b6 a4 u% r
8 W0 h2 I5 F: x
4 ^1 {. j& d, t; q* U 2.这是request的程序' q+ f) a2 C9 T5 j4 E
// Request a value from Extend: l$ C k9 }' s; x1 o5 Z
//
2 I# a% E7 i3 C1 F g6 p1 } // Initialize the variant that will hold the BSTR. Set the variant's
0 l+ o7 l2 R! T5 z0 G // type flag to indicate the fact that this variant holds a BSTR. Place the
0 q+ n& o/ e* m8 B- f- i( r // BSTR into the variant structure.. {7 W/ [* J# l. ?/ e
; V) x6 G' z5 n6 D
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
, K' v, g! }0 r3 ~+ b. T ) ^5 q$ P0 H4 A% f
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 h# l6 E& }8 M0 l) g VariantInit(&requestVariant[0]); " e' R" _2 F+ ]- R; f) `6 D
requestVariant[0].vt = VT_BSTR;
4 l9 ^6 X. h- u requestVariant[0].bstrVal = itemStr;
% Z9 [) L' n2 c2 A) |7 T0 f$ }
- n/ I! \ l ~. G topicStr = SysAllocString((WCHAR *) L"system");
- H5 p% [/ n8 R I+ a% n VariantInit(&requestVariant[1]);
: K6 e. h7 Y+ S: p( b requestVariant[1].vt = VT_BSTR;0 h- O& S" w4 |* ], k
requestVariant[1].bstrVal = topicStr;
8 G! H3 ^& @2 k& q8 h5 z1 ] + k ]0 P) z9 H/ v
// Set the DISPPARAMS structure that holds the variant.
8 L! M; N/ P- {+ B/ v/ @' } 1 Y4 U* K9 R; z
dp2.rgvarg = requestVariant;
# Z/ V' r- y) \ p9 [$ t! w# x% @) O dp2.cArgs = 2; |% M) p: b4 \. G1 H/ x( q
dp2.rgdispidNamedArgs = NULL;
n& M" M7 `7 {; o dp2.cNamedArgs = 0;
' K( O* f: M( B0 p8 B c8 N1 M + a1 w, K* F: F- O9 e* d5 n
var.vt = VT_EMPTY;* |* ?% L& S) [
3 M" a2 \( j0 `+ R9 u0 L" Y" H6 | // Call IDispatch::Invoke()
! ^7 f1 i/ N; Q' V
9 H1 r- D/ Z% H. E; \ hr = m_pDisp->Invoke(
* b# d9 q* ~+ [ requestID,& c9 m: X- A; p; K. p! k, i6 T
IID_NULL,+ a8 Q, b; l, D6 s' Q3 v2 L
LOCALE_SYSTEM_DEFAULT,
0 W' m1 }& p2 x/ m" i9 f, e' w( D1 y n. V DISPATCH_METHOD,
* C2 g, b3 I1 a! p$ M- S4 ~ &dp2," q' u: e7 g. W: D8 D+ l9 D- O4 h
&var,
2 I v7 Q6 r- |" A- Q1 p: B0 Z &ei,- N; ]/ H' M7 Q" |; D- e6 m, `
&uiErr);" N$ [! ~2 I+ V" r
, l$ ^0 D; M$ u% @+ t, E! c SysFreeString(topicStr);
8 v4 p3 R+ g- F SysFreeString(itemStr);
( n' _# ?( F2 v" _ 请问该程序是获得extend里面的哪个值?
3 _: Q* A) M/ G9 U- v# 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