|
|
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:
( f c& _6 g, L1 @! j0 gName = (WCHAR *) L"Poke";
; z- C# g3 k9 z F8 _5 ^* I3 M! U
, h: G3 ]$ v, r! B hr = m_pDisp->GetIDsOfNames (2 Z J' u% H* l% g$ U9 V
IID_NULL, // reserved& z% s. ~2 z6 Y, q5 s- k4 P" w
&Name, // Array of names to get IDs for+ P4 G& j8 W2 v3 ]9 Z$ l( m" M8 {
1, // # of names in the array# W [9 Z" J2 }% e( n$ _2 y
LOCALE_SYSTEM_DEFAULT, // System locale
$ d+ F. S$ u4 T: P9 @ &pokeID); // Array of IDs to fill on output9 } p1 a4 u5 ^& y
4 q- m; s( \4 P( w3 ]/ f
if (hr)
% X( {$ \; ?# c, I; l/ v {
+ O8 q* n& `% x* V MessageBox ("Get Poke Unsuccessful");. s3 I: [' ]8 X: I# o) j8 H
return;
# X$ I: K9 F# x4 v }- S8 j% G) I2 l: ]
; v6 d1 l3 ?1 `9 ~/ R, N/**************************传递数据给extend**************************************/ R4 [: `# q$ Q0 D3 p, }7 W0 ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
4 I. ^+ a, c) }9 P3 o
2 H/ c1 l. @ w( S" N$ I* V valueStr = SysAllocString((WCHAR *) L"1232");6 H, c7 b; f3 C$ v4 y9 f
VariantInit(&pokeVariant[0]); & r, q1 l! o3 S
pokeVariant[0].vt = VT_BSTR;+ B+ W3 c9 O2 G4 @! e$ ^
pokeVariant[0].bstrVal = valueStr;3 ?- J* w, a4 E4 T6 ^2 K8 @' N
& ]' H6 O# n& |* n6 p
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
1 F, N6 ~- ?+ \2 z VariantInit(&pokeVariant[1]); * [ p+ @9 o+ h5 |
pokeVariant[1].vt = VT_BSTR;
4 `0 s- I l3 T pokeVariant[1].bstrVal = itemStr;
$ j; y4 W; z& ?( j& B3 g6 S
0 s: p% G: b% |) h, N topicStr = SysAllocString((WCHAR *) L"system");
# |3 X5 l7 ]+ _( @ VariantInit(&pokeVariant[2]); 8 P: N; y" K& V: ^2 s- G
pokeVariant[2].vt = VT_BSTR;
1 [5 M0 J( h! U pokeVariant[2].bstrVal = topicStr; `$ A4 N' c1 U N9 P1 n
& v4 _& G' m1 s& ?! p3 V
// Set the DISPPARAMS structure that holds the variant.+ g z, m7 f' D
% G; L1 J; j, d# | dp.rgvarg = pokeVariant;# r( l, {& f2 u& K; m$ `6 w
dp.cArgs = 3;
" t) \# I u3 u# z% V- i dp.rgdispidNamedArgs = NULL;
& I2 u) W r; {0 f s+ _2 N- o3 ` dp.cNamedArgs = 0;
# z# x( o7 D0 M8 Z; ?/ N
F, V/ [% B# W0 E2 I0 k9 G+ K// Call IDispatch::Invoke(): }- Z8 L$ Z N- u$ Y) z8 |! M
5 u8 {, E# m( f4 H hr = m_pDisp->Invoke(
; Z. \4 }+ Q7 X- d pokeID,: [" |% Z7 W, j$ b' P
IID_NULL,
# V: @ Q& q$ u, t7 B7 Q5 q' } LOCALE_SYSTEM_DEFAULT,' o0 u1 q4 m: l7 P
DISPATCH_METHOD,8 y3 y M# z. }7 M3 M0 s% }+ _
&dp,. O$ {4 L$ c9 y/ ?
NULL,8 F8 V _ e3 A- S
&ei,* i7 a# ^( F. k9 } h
&uiErr);) m/ |, D8 N- t/ w9 y0 b4 F- Y* p
q+ ^- y% V4 p
SysFreeString(topicStr);" f. z& L- G$ h3 S/ y( ]/ \
SysFreeString(itemStr); {7 o/ Z# D; U9 I
SysFreeString(valueStr);
* W! |8 H$ F( e6 j& ], K( O+ g2 f2 [$ A$ k6 g
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???0 S: X9 T. R+ ?
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????
# o& o1 K& p* y% t* Z1 | B2 t+ ~" l9 q. L2 t' j8 H
4 N( e( ?' [. Q2 B& {
2.这是request的程序
# O d+ m" @" J6 b3 H; P6 o// Request a value from Extend6 N3 ~; h8 G# {' N$ X/ L$ h6 f( a
//. F$ U# c; ?$ O& ~: D3 V
// Initialize the variant that will hold the BSTR. Set the variant's6 y$ h$ _8 F- H1 @2 j, a W$ o9 a
// type flag to indicate the fact that this variant holds a BSTR. Place the: A5 E/ B3 [6 F1 o
// BSTR into the variant structure.
. p! {/ q8 O w ~
3 H' r% M! N* b- j6 {# Y# S( S4 U! O requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 |% C8 }" J8 Z9 U9 D
- P6 W) \# W' p* E* a/ `
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ [/ ^* E H: R- k) N' ~1 ]) S VariantInit(&requestVariant[0]); 2 w- l9 T# Z% s+ X% T
requestVariant[0].vt = VT_BSTR;
- D; }$ y3 _- V8 c; V requestVariant[0].bstrVal = itemStr;, u7 f; @" M! t; C8 P
" N+ L' H8 x w& z
topicStr = SysAllocString((WCHAR *) L"system");
. `: W$ Q3 y# p VariantInit(&requestVariant[1]);
T d& y$ D/ G0 y requestVariant[1].vt = VT_BSTR;1 ]* v2 g" U Z8 @2 a# ~* f1 W
requestVariant[1].bstrVal = topicStr;
, l0 x- Z% X+ z5 u+ F4 d# q @* F7 O
// Set the DISPPARAMS structure that holds the variant.; |% o1 |5 j/ S4 k& {4 c; M- K2 {
3 `2 |8 t9 n1 B dp2.rgvarg = requestVariant;
: x' r% |( Y+ ?4 U5 U* c dp2.cArgs = 2;
9 |+ J3 V' V p3 G: w dp2.rgdispidNamedArgs = NULL;
' N9 t: `9 }$ u0 k7 @" {* } dp2.cNamedArgs = 0;- a6 F& E6 V9 I5 e ~9 x+ g* E2 a
8 W2 j$ ~4 D) R2 f var.vt = VT_EMPTY;
, n: z [- G A! A5 r1 h. B9 c' L. J
// Call IDispatch::Invoke()
' P/ o, q: O% j4 ]
4 Z/ D5 Z" e) n' \/ c hr = m_pDisp->Invoke(- P0 O4 X* _% M7 l" P# g
requestID,
; ^. |' p3 O" f$ q; L IID_NULL,
# @* \$ |. X7 p* U- m LOCALE_SYSTEM_DEFAULT,- F) l3 d- p# E" @9 F! w4 ]
DISPATCH_METHOD,) I' Q$ U& u; e' {7 _" q* a1 h2 N
&dp2,
, ~0 } N/ l; s8 o! _ &var,
8 u- k: E; y! |) o0 @5 Q$ j& u &ei,, _6 f) d. I& X% k6 T/ n1 q
&uiErr);
" v3 W& U: Q" g1 U
% e7 H& s ~3 o6 U' U. x SysFreeString(topicStr); y0 C0 A' r+ v0 u2 J+ ^2 T" n
SysFreeString(itemStr);
5 [1 i! `3 P2 M/ p请问该程序是获得extend里面的哪个值?9 q! O" S1 m# [1 u2 O1 v Y9 u
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???? |
|