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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:
+ I8 D6 g9 S2 I2 M/ R N2 @# U, }Name = (WCHAR *) L"Poke";
% F! I- p4 p5 ?- X5 u 6 q& ], c/ Y& x
hr = m_pDisp->GetIDsOfNames (
, Y9 w, _% T6 g: H3 @2 f IID_NULL, // reserved
0 b' I, n3 G# u &Name, // Array of names to get IDs for+ _. z8 s5 q" w1 B
1, // # of names in the array
~6 v, [; c/ j' k2 C, z2 }. f" B% w LOCALE_SYSTEM_DEFAULT, // System locale
: z8 ] |% f# X/ H6 e" {" l, s &pokeID); // Array of IDs to fill on output6 b9 f+ P1 @% Q: X: t
' E M: X$ y1 |; @ if (hr)
# ]. h7 [4 S$ S {
; S2 D3 w( y2 D6 ^ MessageBox ("Get Poke Unsuccessful");
: r0 q4 h* I- b% A/ I( d4 u return;
0 b8 ]; Z7 p a; T) ]/ z! z }
( c# a* f6 _/ h1 S4 h( N6 u) `& b9 ?8 g% A
/**************************传递数据给extend**************************************/* [0 d0 v) z N0 d, T2 \
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);' w# h9 }( f/ Z |; B0 ^( b
6 x% w6 n3 `& S" {- q1 n* w/ L6 ~
valueStr = SysAllocString((WCHAR *) L"1232");
3 R- f1 I. |# ^+ G% x* U; j VariantInit(&pokeVariant[0]); + ~# T% M. V; G: e
pokeVariant[0].vt = VT_BSTR;
% Q" k$ c I- k7 h pokeVariant[0].bstrVal = valueStr;9 ? M+ \) ?! `" ^6 F- p
% ]" }: O- p6 u5 u/ R itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* i6 D( O% T1 X6 A, S
VariantInit(&pokeVariant[1]); ' T$ ?( C) B2 T. D7 H% {
pokeVariant[1].vt = VT_BSTR;
% J7 m [- @, W0 ] pokeVariant[1].bstrVal = itemStr;
2 I* S" Y; d* b0 S
$ r- r3 d# n, c topicStr = SysAllocString((WCHAR *) L"system");/ B5 o; {3 }4 R7 Z7 I% F$ Z
VariantInit(&pokeVariant[2]);
! D( U" I" ?: E d2 q( f- \3 r8 s- R pokeVariant[2].vt = VT_BSTR;! x8 O; O) F/ F( N- L# O6 {
pokeVariant[2].bstrVal = topicStr;2 X) r: Y/ X) W
$ Q* _$ ?+ i3 r% w
// Set the DISPPARAMS structure that holds the variant.: j9 ` H9 b" q! |1 b2 I7 @
, s0 h5 v1 a# Y" [
dp.rgvarg = pokeVariant;5 W0 |3 t! L+ S
dp.cArgs = 3;( D2 A5 \' l5 l8 Q- f3 f
dp.rgdispidNamedArgs = NULL;
) U& W0 [) f" @4 i5 x dp.cNamedArgs = 0;
, f' t3 R0 U; G( z/ ]
1 t! @7 p9 z) E# J! e// Call IDispatch::Invoke()
3 M3 Y% o7 _% w" b& Q" ^- k- \- l! q
hr = m_pDisp->Invoke(9 J, p* b/ {1 ]5 K S7 ^1 j8 K
pokeID,0 X' ^* {5 O/ C3 b( H1 @9 H
IID_NULL,
% Y: R j" X5 R2 Z LOCALE_SYSTEM_DEFAULT,
; C8 l N. V% _; b, h3 }* i3 D3 P" t" S DISPATCH_METHOD,7 Z7 E7 ?1 r n1 c8 M; P4 p6 K, y
&dp,* z9 u1 _0 J# |0 u! Q; v
NULL,2 t8 M( x/ z: Y( x$ G) u
&ei,
$ r5 @# V0 H- K' ~; M2 H9 @# m &uiErr);+ } k* ]3 z# ]. D+ E
z+ U+ x9 B" v9 T3 C; i SysFreeString(topicStr);1 J0 e- g+ @9 {. c
SysFreeString(itemStr);
6 x! M, D2 B, w6 v) f SysFreeString(valueStr);+ [3 _+ o7 N& D! M {2 y9 Q0 e9 w! ?
R+ }3 S. T) Z3 V! M% T0 [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???, L2 P. z% _) N ?) r* z+ E
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, Y& s- P! K3 i! K
, @+ q9 [- J7 ]6 x& K- Y! `0 q/ s! P9 F" N) ~0 j& o) J# O
2.这是request的程序: W/ _( ?4 l( p- B- I7 R7 N, T* A
// Request a value from Extend l8 E8 r7 D6 k+ V# L5 R
//
( d; Z8 w, u8 c- r( }) I// Initialize the variant that will hold the BSTR. Set the variant's
( E0 O2 P0 H0 s" m// type flag to indicate the fact that this variant holds a BSTR. Place the/ b8 _2 X; }, f0 `2 J6 T
// BSTR into the variant structure." b6 j! ^1 s$ v+ R" F7 Q
6 U/ a( i) W3 x+ j. A
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);# b B6 l; y, |7 x3 Y5 {' [
/ x, z8 @8 d1 J( M& ~
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
U& y! z, E" B- h- X" p9 P; D VariantInit(&requestVariant[0]);
- S2 q) P. Q% l2 m requestVariant[0].vt = VT_BSTR;9 z" B8 Y1 ~# E9 p* _) t9 |
requestVariant[0].bstrVal = itemStr;; \6 @ e5 ~$ t5 T4 w1 c
2 N% z) V3 r( D5 {, U
topicStr = SysAllocString((WCHAR *) L"system");
: p- N5 |2 \8 {% B0 E VariantInit(&requestVariant[1]); ( m5 c3 }) F1 y: l% _
requestVariant[1].vt = VT_BSTR;: g% s: R! m9 V# _
requestVariant[1].bstrVal = topicStr;
# L3 e0 g+ v+ f2 i7 A/ o5 {: y l* B% B+ }# x" ]% W8 a2 W; t: Q0 M
// Set the DISPPARAMS structure that holds the variant.& Z( S& x2 x4 j' E7 w8 u
# l5 t% t8 M. p* l# V. l& u( f$ r
dp2.rgvarg = requestVariant;8 E/ p, r: H4 {8 T2 _+ y) H; E- N
dp2.cArgs = 2;
6 R0 ~) L, ^( w% o dp2.rgdispidNamedArgs = NULL;. O# v% O9 m; P; g6 H: M' w
dp2.cNamedArgs = 0;
) @2 y1 `, {8 _. w7 a
+ |4 {$ Y( U1 s% d# h2 | var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()6 M- R+ O* E# k: T& k
* t. e+ J9 B- T; @! T' T* j+ d! |8 d hr = m_pDisp->Invoke(
8 Q. m6 q& ?) x2 E, x requestID,
( e4 n. w: b7 q4 j. {0 \; r+ E IID_NULL,
5 |1 ~. X, {% u) r7 Z/ W LOCALE_SYSTEM_DEFAULT,
% I) D+ _# x9 @0 e1 C3 M% p& K DISPATCH_METHOD,' W: u2 M+ c. n3 a) |
&dp2,
7 J2 D6 U+ u3 T) b. i &var,
8 ^, Z- y5 X2 s! A# v" [* [- G &ei,: e, h7 W* d+ H
&uiErr);
+ M# h& X5 Q' `0 p. B; n! P
* G7 h3 K' X% \) ], j X" N SysFreeString(topicStr);7 x v1 o, S4 d2 S/ B
SysFreeString(itemStr);
' s6 | D5 T- S/ A8 f请问该程序是获得extend里面的哪个值?
* n' m; z: f$ w% R" S+ Q" e: D; O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???? |
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