|
|
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 g1 K/ N7 C `1 U* }4 h2 G6 ~' H1 v
Name = (WCHAR *) L"Poke";, Q8 S* K- o" c: J% s
: z3 L7 i( T# t2 T8 h hr = m_pDisp->GetIDsOfNames (
) O8 M2 u: k- i! C0 m" X* [# C* M' M IID_NULL, // reserved
* G$ |8 |1 X; U2 e. f &Name, // Array of names to get IDs for+ S( u2 x T0 v2 a2 Y
1, // # of names in the array
" W& R0 k4 d6 w: H5 g LOCALE_SYSTEM_DEFAULT, // System locale2 o. e0 x+ o# W7 ]
&pokeID); // Array of IDs to fill on output
# i- z9 G1 ^, o* ^) d4 M
3 b z) q: p6 A+ P' C0 ^% F! a if (hr)
; ?+ n f/ I% t( X p" ]( s { W2 k q4 l9 E; u
MessageBox ("Get Poke Unsuccessful");
! J' I5 W* L1 ]$ n: I/ D return;
+ N# X6 t0 {2 v4 i1 L }
/ d3 S4 p- Y5 P* A" }+ ^! f' Y3 u6 A% N
/**************************传递数据给extend**************************************/. f4 U5 V7 h3 k+ l3 L! y& l' F8 J
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);; B# o: c% Z5 T9 n: S, R4 w" t% ]
+ Q) m( c+ M: R+ \" [& w* P
valueStr = SysAllocString((WCHAR *) L"1232");
2 \) E* d( G) ]" R VariantInit(&pokeVariant[0]);
' Y( P& Q: [7 x; \; D& D! S pokeVariant[0].vt = VT_BSTR;# \) a3 v) T$ i* s0 G
pokeVariant[0].bstrVal = valueStr;# v' D8 f4 ~5 f; ]) F3 M* l( B
7 l \, `) j% ^& F9 I/ u0 K
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 F7 H3 H& M& ?+ G8 Z
VariantInit(&pokeVariant[1]); ) l8 {& f$ v! C* M( ?* v
pokeVariant[1].vt = VT_BSTR;
6 Y/ n. t9 C1 B7 |6 | pokeVariant[1].bstrVal = itemStr;
4 b5 |! u% S7 h/ S% _) G ~6 ~5 f6 Z; a B
topicStr = SysAllocString((WCHAR *) L"system");) K6 Q! t3 g. g
VariantInit(&pokeVariant[2]);
4 t* Q( ~- m! S. W5 Z6 K5 B pokeVariant[2].vt = VT_BSTR;
$ {% G; i# f: c) ~# ~! C2 f, U pokeVariant[2].bstrVal = topicStr;6 T, P$ |* A4 w, a
' E" l# Q# }9 I1 G# J0 `// Set the DISPPARAMS structure that holds the variant.- j4 Q- B* y% ^1 [) `% t0 d! V
m: y. Q5 b. {8 |) A4 v8 a
dp.rgvarg = pokeVariant;7 f0 ] v- j0 ]4 }: Q, ?
dp.cArgs = 3;) J) @% y* f, I; `: A B1 l
dp.rgdispidNamedArgs = NULL;) t* Q3 s) Q7 \) F6 |" R
dp.cNamedArgs = 0;
5 X( y2 x8 X. U1 F' ]9 C% r( d2 ^! M" `" k2 K
// Call IDispatch::Invoke()/ s3 l* b9 d* j# B5 P
. F# G8 ?/ C8 J4 a
hr = m_pDisp->Invoke(- R& W! f" R# |
pokeID,3 j* n: j( f( W
IID_NULL,, N6 s( A+ K3 L6 I! e- C
LOCALE_SYSTEM_DEFAULT,
, D) }: J; B) o DISPATCH_METHOD,. G4 j6 P% o( O
&dp,$ T/ k; U: [5 X; V
NULL,
* V& R& ` j( ~) G+ J( O K &ei,
# h: U" k/ X% b; c3 l &uiErr);
. k& W$ C; }" t0 j( c& x
5 `9 B0 n/ l2 u6 `6 S3 Y( n0 ]/ d* z SysFreeString(topicStr);
! W: ]! `' y/ ?- h SysFreeString(itemStr);# g2 u! S2 X9 G7 g
SysFreeString(valueStr);
0 l( [ G% r. k2 V5 |7 I8 ]8 u( p2 t
$ H- ?6 c! d( \, S6 ]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???8 H" t" n8 E, D/ ]( k( W
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????) b6 c4 C8 b( w8 r( Y/ c. u/ s
' X2 G2 m% Z! _1 C6 q# A. v) y: a
0 U$ d) R# s$ c3 O
2.这是request的程序
+ c$ j* |6 I. \, c5 G P6 s" @' t// Request a value from Extend
9 A) i9 n* U9 ^8 P1 {& m//, _/ r' ?( Z+ J) `
// Initialize the variant that will hold the BSTR. Set the variant's
: @; d9 O$ Y& H" E+ O n7 E' @// type flag to indicate the fact that this variant holds a BSTR. Place the
9 M& V% e! U) q9 G7 W// BSTR into the variant structure.
$ Q) q7 R* a4 ~( D% B- w7 M' R+ _( U) m
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
. s2 v- o( O5 n4 c, }! P( X
o% B4 e) E4 r0 D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 |1 R$ _8 Q6 m3 W& U$ t
VariantInit(&requestVariant[0]);
4 W. b, X' S" z# Z | requestVariant[0].vt = VT_BSTR;
" T- l4 v6 u& D. e" F requestVariant[0].bstrVal = itemStr;1 I! W; ?. \2 l5 m
, X! l! s/ \' N, B7 h9 ]( X# _2 @2 M6 l
topicStr = SysAllocString((WCHAR *) L"system");
, O8 a" U1 Y% b8 @ VariantInit(&requestVariant[1]);
! Z0 \0 v1 W6 ^" V8 i% B requestVariant[1].vt = VT_BSTR;2 v! d2 @0 V0 Z
requestVariant[1].bstrVal = topicStr;; E: k3 g% E4 R
7 c; Y! }1 `3 T m9 C
// Set the DISPPARAMS structure that holds the variant.& Y' |" Z: V! C! P3 q1 z. C
3 B6 s8 t9 y4 A4 N dp2.rgvarg = requestVariant;
7 [1 L3 b& e+ A) u7 z% X% u dp2.cArgs = 2;
. o( c8 \5 b5 d( F dp2.rgdispidNamedArgs = NULL;
0 y: J4 `/ @* t, s) J/ F dp2.cNamedArgs = 0;
8 ` u, y# q' Q6 e5 I# \6 {! T |
var.vt = VT_EMPTY;
+ F A6 s8 Q. u/ r1 J& W- x3 w0 T& T2 z) d
) x& x& a( Z* p. R$ _9 v// Call IDispatch::Invoke()+ d" s2 g! X" Y2 z4 {
- a/ }/ L/ s, `
hr = m_pDisp->Invoke(- e& D9 Q2 N* V/ T0 U
requestID,+ Q+ G# K: E4 `* p% ?4 r
IID_NULL,' w: \5 f- }8 C8 `* l% q9 `# |. d
LOCALE_SYSTEM_DEFAULT,
0 g+ l8 S$ Q: x3 K2 h$ `3 ^& R: w, W DISPATCH_METHOD,+ |1 x. e1 E' O
&dp2,
& S2 c. [, i, i( O6 K9 d4 Q &var,6 D& t% H; ~' |4 E1 h
&ei,
7 g- {3 Q! P* s' L) M( A, E &uiErr);
: c1 \( V* P' ~3 x& G8 Q9 D# u5 o, Y+ L$ {& D% A0 d1 o9 H# `
SysFreeString(topicStr);: d$ b9 ~" j x8 F$ I3 E1 J
SysFreeString(itemStr);
6 M) G4 f' z& z# J' n请问该程序是获得extend里面的哪个值?8 X8 g+ M3 Y( F& X5 u- S( G3 T: ]
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???? |
|