|
|
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:; ?! |8 }- w' p; u
Name = (WCHAR *) L"Poke";, a% T1 z- K) s) [' I( L% b$ E
! ?2 ~1 N* J X, o. Z# ~( Z hr = m_pDisp->GetIDsOfNames (: f' q5 k2 \& U! B* L+ w' ~
IID_NULL, // reserved6 i8 \1 ~, \3 z
&Name, // Array of names to get IDs for) b6 Y% h9 y) o: l9 R5 { q* k
1, // # of names in the array3 h9 g# R* {; _, n) S v8 s: G
LOCALE_SYSTEM_DEFAULT, // System locale4 N( r3 t+ V) o8 z5 B" Q0 _
&pokeID); // Array of IDs to fill on output
3 f# H% Y5 a% b6 C$ U 2 k( X: C' p2 y5 y7 W, ?; V
if (hr), Z Z' ` D+ b8 u- }9 l; X
{
! j/ D K+ O, G m6 ]0 w6 t' ` MessageBox ("Get Poke Unsuccessful");
0 [8 p9 I6 F" [! N) c# C% v return;
! Y2 |/ E8 x! } P+ G' R }
1 U3 r" Y- r8 `3 t e0 y% }
( V5 z7 L0 U% U5 e/**************************传递数据给extend**************************************/9 i* i$ I& \( U, }2 R" ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. b0 M0 J4 r x7 P# B' Q* X3 L/ v
% f/ @4 C4 {+ q, a; E
valueStr = SysAllocString((WCHAR *) L"1232");
U' ?/ X8 J/ Y$ D9 |5 f6 O4 _ VariantInit(&pokeVariant[0]);
0 J+ a, V3 H8 ]' H$ f6 o3 R! e pokeVariant[0].vt = VT_BSTR;4 t) f- d: ~9 K! n
pokeVariant[0].bstrVal = valueStr;3 k% O' }5 }. e! q
, ^0 ? Y9 {* N3 ]6 R( c% | C7 \5 R
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); T' x9 T/ R P2 L5 p: W
VariantInit(&pokeVariant[1]); ' `7 k' u: O2 x6 V+ }: I! ?
pokeVariant[1].vt = VT_BSTR; k6 J- }: ?" k8 o1 x$ c
pokeVariant[1].bstrVal = itemStr;9 [4 I2 S6 g4 o& |1 H
3 Q$ y& t* {0 r8 @1 l$ J6 g topicStr = SysAllocString((WCHAR *) L"system");
~' J7 F4 }8 L8 G' @ VariantInit(&pokeVariant[2]);
0 o) d- R# ?, a5 c' Q3 l pokeVariant[2].vt = VT_BSTR;
( t ~6 M, Q3 G$ A+ F pokeVariant[2].bstrVal = topicStr;
8 n1 k9 O3 r3 e
# T1 [" i% {& c// Set the DISPPARAMS structure that holds the variant. k v4 N( J+ N% U, B6 t* f6 ~
0 j) Y2 Z% e) b; f
dp.rgvarg = pokeVariant;) F2 H* u( V, B: v) G
dp.cArgs = 3;& U! a7 H4 E1 D% V/ Z" l# S
dp.rgdispidNamedArgs = NULL;
7 `( ]; P ]: t1 n4 o" D9 M dp.cNamedArgs = 0;
, J; T: f5 u; J8 b @8 a
6 g2 C* V% W; I7 q* ]# H/ ~3 J3 p// Call IDispatch::Invoke()
9 _9 z/ z O P A$ d6 Q9 N e8 K9 A& g: c2 M5 M
hr = m_pDisp->Invoke(
# H1 z7 C# `4 {# ^6 G+ K1 D6 A pokeID,
- X- ~( h; C1 `' Y' H( g IID_NULL,
3 N2 v1 Y; g9 y6 t' j LOCALE_SYSTEM_DEFAULT,0 W' e Y9 Q* J( V) L
DISPATCH_METHOD,, b9 C. Q7 `6 Z
&dp,( s- c$ S. i8 ~" v* a
NULL,
# O) Z" a1 S4 G0 k( e &ei,3 p5 ^' u R* d9 P0 x
&uiErr);" ]" H; Z" ]" z/ r
, [$ B5 }( |& x2 \; ]; s SysFreeString(topicStr);5 {/ x4 Y2 [) L5 P
SysFreeString(itemStr);$ o% i. {5 p$ t+ g
SysFreeString(valueStr);
8 G+ [) t8 k* w {3 s' _/ O- [6 c
) ?3 B; A2 ^* P1 A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 @* k+ @& ?2 @( Y8 g$ I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????% F/ u7 F% [4 E' ?+ V0 Y7 t; J
& ]9 h3 f* i% h! m
0 S+ g; t6 P1 {2 R; E J* f2.这是request的程序
7 Y1 H6 Y& r4 g+ _0 [// Request a value from Extend$ l/ \; Q! g) v2 u
//+ J( L0 u2 R# ~3 u1 }
// Initialize the variant that will hold the BSTR. Set the variant's. U0 s+ {5 D# ~
// type flag to indicate the fact that this variant holds a BSTR. Place the: {% `& F( }0 Q( ^
// BSTR into the variant structure.
$ B" \% p' Q) y! [
& k; z' C; J3 N, t requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" {* K& d/ |3 h
x5 n/ ?$ l; `; y
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 B6 ]; ^2 z0 Q" {% L, l0 {) h+ W% b VariantInit(&requestVariant[0]);
7 i' g, P& {- A5 l6 R1 V requestVariant[0].vt = VT_BSTR;6 Y* }: l% f6 N# C+ |
requestVariant[0].bstrVal = itemStr;$ }9 l$ G+ D0 Q2 M0 l
; ?5 @6 l0 v7 V0 V. s: ~5 Z
topicStr = SysAllocString((WCHAR *) L"system");. |1 m& j- y# Z% Z( B) X
VariantInit(&requestVariant[1]);
( N2 F( R& Y! ?6 T requestVariant[1].vt = VT_BSTR;
% a1 @3 ?5 s' e5 S% e1 S! z+ ? requestVariant[1].bstrVal = topicStr;3 n, L* A+ ^* ~& T- e% b
0 h. J. U z. t// Set the DISPPARAMS structure that holds the variant.
/ o+ ]# p+ h% o) o# y
0 |0 Y4 `6 c! B# {, i/ {) w6 p0 H dp2.rgvarg = requestVariant;3 T R& ]" U* g' @, t
dp2.cArgs = 2;
4 D+ B3 G4 V7 C( R dp2.rgdispidNamedArgs = NULL;
5 {* x+ W4 I, k) R Z7 T$ L dp2.cNamedArgs = 0;5 M5 H: Y4 Q8 d9 [
4 I* }: m: ~" u6 Q/ M
var.vt = VT_EMPTY;
( P7 ?! }- D2 h2 v4 l6 G0 G1 t5 q/ f0 {! r4 e2 w1 ?
// Call IDispatch::Invoke()8 {% [4 g+ ]; x( ]2 d7 N
/ v$ Q$ t# s* B2 s hr = m_pDisp->Invoke(6 Q2 R. P! S& i' Z0 Y, v. O
requestID,
( I3 C( r8 }" ?$ {, t% q' c$ F9 P IID_NULL,
) Y7 Z! B2 ]" |; C# p3 Y LOCALE_SYSTEM_DEFAULT,& j. y. l( _. e' m
DISPATCH_METHOD,
0 \& {2 L9 L3 K9 ~. L( x &dp2, q* X$ _4 P4 r( V7 k: g
&var,9 k ^" l/ Q& }7 n8 h7 D B3 U
&ei,
6 M0 f9 n3 E& y$ [! N &uiErr);: g( F9 j; q' A) l% \ o8 O2 { a' P
3 Z# r$ _, e q @: z# K$ a SysFreeString(topicStr);
( H* t% E8 P0 \, g SysFreeString(itemStr);
) _! H' o) w: K7 m' T2 s8 F3 s1 w请问该程序是获得extend里面的哪个值?$ `, c+ Y5 V, g+ ?
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???? |
|