|
|
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:
& R$ r8 ~* l9 [3 s5 ]6 i! e, @Name = (WCHAR *) L"Poke";& R% N$ N/ T0 j3 z. _
F3 V9 R* ~7 k8 p
hr = m_pDisp->GetIDsOfNames (
6 B7 i! i( y0 Z IID_NULL, // reserved( M! y7 d/ |2 z: T. A
&Name, // Array of names to get IDs for: D" \3 e9 `& i: ~0 o9 N* H& g7 p
1, // # of names in the array
. c/ t5 y% v) v9 h LOCALE_SYSTEM_DEFAULT, // System locale
& f6 n3 E* a9 k% p3 ]1 z, H8 } &pokeID); // Array of IDs to fill on output) |, ^7 _# \- m2 w) V7 k' E8 g7 |$ P
, Q( |- M: }# K+ N if (hr)! Z" n: R# f4 }9 z5 ~$ E
{# M( r/ _4 d: W6 D0 M
MessageBox ("Get Poke Unsuccessful");
% S! W L3 S+ x! C* t# R return;
; H/ r% Z1 }, S3 N }
) @' @! f3 k( Q$ g
! Y" j0 l4 D! z7 i. S/**************************传递数据给extend**************************************/
2 |* Q& [. Y4 |& L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( V5 x$ a$ |% G# I* E0 j5 T
" S( E$ G8 ?. A( K6 V. D. b6 N3 b7 O valueStr = SysAllocString((WCHAR *) L"1232");
4 {: J9 B" f9 T4 w- L1 W/ D VariantInit(&pokeVariant[0]);
( E- {/ {/ s. A1 M3 Q4 ~/ T5 O0 Q pokeVariant[0].vt = VT_BSTR;3 b) p( w0 u! W/ `3 x3 u( |% q
pokeVariant[0].bstrVal = valueStr;
( U4 G+ u) C% i& C; G( X" F0 V/ F) J" C6 E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 H1 U+ ?' X) S2 A& y VariantInit(&pokeVariant[1]); " h. U, ]. ?* b9 C: J; ]! ~
pokeVariant[1].vt = VT_BSTR;1 H* {1 R1 K; g8 O8 V& R
pokeVariant[1].bstrVal = itemStr;
& n. a z: `' j4 h! l5 G* U2 j3 D( A j
topicStr = SysAllocString((WCHAR *) L"system");; w3 L$ f3 ~% L
VariantInit(&pokeVariant[2]);
* }5 T) C6 i. ?, @4 ` pokeVariant[2].vt = VT_BSTR;
) u* _" d) z ] pokeVariant[2].bstrVal = topicStr;
4 P- b% |5 t2 V/ w
+ p+ }2 \3 T/ {7 @// Set the DISPPARAMS structure that holds the variant.
4 g% m* r, T6 P
2 v( |5 n) W5 v- X% R7 w dp.rgvarg = pokeVariant;
! |5 ~$ s7 h5 ]( ~ dp.cArgs = 3;4 w1 _; ]5 ^0 k6 r
dp.rgdispidNamedArgs = NULL;% }8 v1 P3 p. X- i* D8 x$ ?
dp.cNamedArgs = 0;
' [" \# y8 a! C& s/ ]
8 b! X, ?4 a$ X// Call IDispatch::Invoke()
8 _8 Z6 g+ i7 t5 h; w# r
. F) D' J- b1 |+ z3 a: u; l$ |7 A6 x hr = m_pDisp->Invoke(
0 @- ?3 @( h- T" t pokeID,
, A {# {2 Q; L. R$ ? IID_NULL,
8 p/ X( `, V% m9 g& e8 C6 V+ @' Q LOCALE_SYSTEM_DEFAULT,( i O6 H) h" i, N/ O: n/ v% a
DISPATCH_METHOD,
: x U* a8 v) w" w4 T& X &dp,
7 `1 F5 I# m: I9 y* S7 ]. p NULL,
1 j3 ]* h& b0 X& P1 s8 r7 w1 E &ei,
) t/ z8 V( L+ C4 ?! i &uiErr);
4 u" P- w: U$ J/ Z7 Z- Q6 v
) P; N& s, |4 E7 ] SysFreeString(topicStr);
3 b& m) N) O) y; ~+ h5 h. O SysFreeString(itemStr);% a4 D$ H2 L# r8 W
SysFreeString(valueStr);% u, D8 a% n2 {8 u& S5 c8 {4 ~+ G
$ S- S; @5 `( B' Q* B+ G7 _
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???
1 Y' R4 g, X5 R2 b+ A! W+ |! 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????; F0 s2 @- @2 f: s# `9 a/ V B
' [4 V& J4 I; c
6 T6 T8 M- G8 ^. P2.这是request的程序) K& i" p: |$ X7 j' X% b# y
// Request a value from Extend4 \9 I3 \5 P. I& Z( G6 i& Y
//) U& X9 U2 A; ?3 N- H% {
// Initialize the variant that will hold the BSTR. Set the variant's T& h" t3 k, G3 u8 J
// type flag to indicate the fact that this variant holds a BSTR. Place the
' N( p$ w2 Q x7 T) K3 T9 y// BSTR into the variant structure.5 b3 F+ j; N$ z( _ g2 G: w3 S
, {3 T) v: i4 O0 ~; Z4 P
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 m9 \; b# I/ z v1 |; W) w1 k* N
: b( m- }5 v* Q7 E
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" ~. i4 R4 Z( n" ?: Z9 q4 L# Z: M
VariantInit(&requestVariant[0]);
, u1 L4 \5 t0 N7 M. R& C ~9 B1 F requestVariant[0].vt = VT_BSTR;! \- b" L& m1 l& U
requestVariant[0].bstrVal = itemStr;
# Y+ A: L! l$ f& v5 F' A! F, `: ~6 q9 M; u: a/ |) ~
topicStr = SysAllocString((WCHAR *) L"system");7 e' [/ F6 _6 Y& E/ t4 E. `
VariantInit(&requestVariant[1]); & R1 j! W0 r( g `' M, A
requestVariant[1].vt = VT_BSTR;
2 ~. }: d$ w0 l* m5 W5 a requestVariant[1].bstrVal = topicStr;
- o3 |4 j- ]( ~# G0 d3 q+ Y# z, g$ f. r# D
// Set the DISPPARAMS structure that holds the variant.
* a% B* T: y( p) T* ?- N3 `, \* T+ n+ q) O) O3 P5 ?
dp2.rgvarg = requestVariant;0 b' C* l. O" I3 t! B9 X8 _
dp2.cArgs = 2;% z7 t+ B2 J4 {6 S( s3 z: x
dp2.rgdispidNamedArgs = NULL;) ?' W0 i( M) o
dp2.cNamedArgs = 0;
5 j& \$ c ?" u2 w# I6 E7 N6 o2 w: ]
var.vt = VT_EMPTY;* `; b. V5 j3 t" g
8 x1 H8 n" ]2 ]# a% Z" u
// Call IDispatch::Invoke()
$ v& Q- q+ F# \% ~8 \
5 `9 p2 r( R2 N, d8 k: B hr = m_pDisp->Invoke(
4 a) a* g" Z5 c! ]4 b" z! s9 R8 s requestID,2 _/ t' i- |: R$ a* t
IID_NULL,7 U: m& Y% q' f
LOCALE_SYSTEM_DEFAULT,( ~9 J: y3 d! k m$ @1 q* P( W6 s
DISPATCH_METHOD,
* V8 K- I5 a! V6 z5 X# ^ &dp2,- l+ U, o4 I2 }3 s w
&var,. H3 |# w! x# v! i+ R/ R; ^
&ei,$ b9 ^5 u+ n5 I
&uiErr);
. n9 |# M9 I" n) c; i( K- }. d( ?+ T
0 |1 `* `: B6 o2 z& T- A SysFreeString(topicStr);8 T/ h2 }$ r+ }$ S" ?; O4 Z5 `6 n
SysFreeString(itemStr);
0 ^4 t+ D" k, B: [3 O9 N- x请问该程序是获得extend里面的哪个值?
+ Y8 T/ C0 @/ }; v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???? |
|