|
|
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:
& H3 ^; z" s1 E. j3 l" bName = (WCHAR *) L"Poke";
) q9 F$ J, M. _) |1 z% R9 O " w4 t2 r# i2 U+ a8 C
hr = m_pDisp->GetIDsOfNames (: Z# W* F2 N1 n6 ~+ _7 T& w
IID_NULL, // reserved
0 F3 ?$ F+ c+ {% d; M% H# U; p &Name, // Array of names to get IDs for# k7 z: } ^' L6 s4 g
1, // # of names in the array
& s& o" e# ?4 U6 ~ LOCALE_SYSTEM_DEFAULT, // System locale
4 m2 y4 \( { h( P &pokeID); // Array of IDs to fill on output6 \9 [8 C( g% E5 D) h2 R
& I2 d2 r3 _# W3 H if (hr)7 D! W* L, M$ _2 d, z$ f8 p( T
{
. B6 o# g" k) [: b1 a( f' F MessageBox ("Get Poke Unsuccessful");
7 P$ B8 n [4 ~) U return;
2 n4 n2 Q% M: }, @+ U }1 g3 l6 Y5 z: `! Z" P" j
- O& ] X8 O7 a9 ]9 g0 H
/**************************传递数据给extend**************************************/
. x; M2 @3 H" l" X0 ^$ `! }6 n4 r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# O1 } f* n4 u, Z7 ?- g! S+ W ' h& W$ k; ]! @2 U U7 W6 G, N& j( y
valueStr = SysAllocString((WCHAR *) L"1232");$ j: t4 R- `8 l3 M
VariantInit(&pokeVariant[0]); 3 Q) I9 F' G& J+ _
pokeVariant[0].vt = VT_BSTR;
1 ]. {4 z2 C8 q2 G pokeVariant[0].bstrVal = valueStr;) \$ c# ^; D* X2 q; }
5 u2 P6 p: p; {, u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); g* f/ V) s8 q+ V# g+ Y9 i
VariantInit(&pokeVariant[1]);
. ?/ r% ~! e+ e5 j3 N( I pokeVariant[1].vt = VT_BSTR;# H& ?3 Z5 S; g! s4 A
pokeVariant[1].bstrVal = itemStr;" ]% Z9 F% S2 u O5 N
5 v9 |8 k! X9 `8 ~7 O6 V. E# K
topicStr = SysAllocString((WCHAR *) L"system");: i' }3 C- W+ Q- X) u
VariantInit(&pokeVariant[2]);
! N8 H; y$ E. L9 _0 e pokeVariant[2].vt = VT_BSTR;
; _4 q+ d- b1 e! D4 R pokeVariant[2].bstrVal = topicStr;. v1 g* T$ c& Z3 Y
# M: H% L/ [/ A$ X" Y8 h6 T9 p) T
// Set the DISPPARAMS structure that holds the variant.5 e( ]) [1 D, G3 a& Y
7 g! Z) u9 [, r3 a
dp.rgvarg = pokeVariant;
& F6 L8 ^ U9 M" ~3 j+ c dp.cArgs = 3;
( x# n. P/ Y( i' }* M, u* g% z; f dp.rgdispidNamedArgs = NULL;
X' o C" ^' ]5 \% i9 i dp.cNamedArgs = 0;
* M/ ~7 G' q1 f; L; O- T1 l
8 E) b/ w4 A, I: e3 j. C// Call IDispatch::Invoke(). J, b+ R" _" q1 U( Z6 G
! Q! s7 j; C$ I% r hr = m_pDisp->Invoke(( V5 X4 W: Z: x; b- w( d6 B( R; R
pokeID,
6 b" o* {& f' O IID_NULL,
& ]3 z9 j" ^" |" Q* L LOCALE_SYSTEM_DEFAULT,* [' F! D6 @2 B8 R* t
DISPATCH_METHOD,
1 l9 i" E5 K9 `: ~% `0 n. i &dp,
/ `# p, ~9 A$ `, | NULL,
* P! X# P" I# P+ { &ei,
: g1 f% E" |; N- ?$ R d &uiErr);1 ^5 q9 s% w" v2 k5 B
& V& x5 w5 C' L7 t
SysFreeString(topicStr);8 X- l1 Q, p) _; @# _/ m
SysFreeString(itemStr);; \0 S4 `& z- K( M( U* ? c
SysFreeString(valueStr);- `2 ~4 }/ y7 Y- ~# ]' r
6 T: X3 F- z' l! s
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???( _: l) J y& K% x
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????2 Q8 a( J( n" M& m9 x% P ]
+ Y: ? ^+ M1 d+ B2 m
6 h$ U% W9 q0 ^2 I
2.这是request的程序7 v) _! E6 \/ H) P4 F0 g! z' s2 r
// Request a value from Extend6 _# s( R/ c$ h% h, X7 x: w
//
6 G' _6 D- g' A2 d/ j6 \// Initialize the variant that will hold the BSTR. Set the variant's5 Q0 A& E' B7 T" g) ^0 n
// type flag to indicate the fact that this variant holds a BSTR. Place the
! p8 } A* g9 [5 u7 f E0 z// BSTR into the variant structure.
0 u0 _- t8 A8 `# v' P# e, m, ^$ e1 E
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
$ O8 j: X- O# n% y
4 f o6 l; u, j% O itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 c2 M$ e9 N3 |9 s( V VariantInit(&requestVariant[0]);
2 M; }7 }( f6 F. x" ]2 h9 i requestVariant[0].vt = VT_BSTR;! K3 _" S" C6 _, m* g# \7 D
requestVariant[0].bstrVal = itemStr;/ }$ s. i$ P, ^- H" A8 a, [ m* A
3 B4 x1 [3 p' H* p0 p" ~3 s topicStr = SysAllocString((WCHAR *) L"system");
[) U4 M" c1 g; Y5 s& V VariantInit(&requestVariant[1]);
' l$ C* D6 B: m4 }7 Y2 X9 J requestVariant[1].vt = VT_BSTR;$ D& \1 u; A& F* X% T
requestVariant[1].bstrVal = topicStr;; f. K3 l2 {# k6 p ?! E9 e
# C$ Q& P1 B& _! F0 x
// Set the DISPPARAMS structure that holds the variant. r/ N1 f6 V7 I2 }0 |
, M" S5 E9 ^5 k2 F dp2.rgvarg = requestVariant;
: }6 z# r9 c* y dp2.cArgs = 2;
& |( Y, x+ Z8 a2 k; P# m8 ^9 r dp2.rgdispidNamedArgs = NULL;
8 b$ i# X' P8 D" e dp2.cNamedArgs = 0;% j3 N: ?$ s/ s7 ?. N" ~
) o6 h% ~+ `) U9 D
var.vt = VT_EMPTY;3 Y6 T- e3 w W9 p1 W4 \
7 B( I- }# l" ~# `// Call IDispatch::Invoke()3 V/ |# ^; Z/ l
' K8 g; r0 O* m hr = m_pDisp->Invoke(- Z- l* Y% U# S) C9 r( r
requestID,# e, g; H8 H. E9 Q
IID_NULL,# P1 g7 ?" x4 W8 C; B/ i
LOCALE_SYSTEM_DEFAULT,: [$ ]2 M; }; d* }* T& p3 F* c
DISPATCH_METHOD,9 _' F* Y" U5 Z) d
&dp2,
( @9 c6 y$ T1 k6 j &var,. |) d2 W+ g8 z' p7 h6 |
&ei,
6 u+ U5 V9 M' W4 y- [0 N &uiErr);8 F; @ u" n. u/ ]7 l. m( U
* Q: z! E+ T3 E6 w0 E$ _8 e: w- D
SysFreeString(topicStr);/ O# W2 N- {1 w
SysFreeString(itemStr);
( ~# \ X. ?7 G请问该程序是获得extend里面的哪个值?
6 f ~9 l! T4 R6 x8 e7 I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???? |
|