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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:7 ^0 B6 N0 d% }5 U" o4 Q
Name = (WCHAR *) L"Poke";! G/ Y+ ~) n3 n) \" X3 C
" X8 _; O7 e1 c- `( L& ?8 e# p hr = m_pDisp->GetIDsOfNames (! O! }- E" U2 ?9 M3 V
IID_NULL, // reserved
5 I N' C! ]3 ?+ R$ a4 v/ h &Name, // Array of names to get IDs for
7 i" \% X2 t; F4 k: j' i 1, // # of names in the array
3 g4 }( Z1 n0 @ o( v) p% H& }$ T* l5 {8 ? LOCALE_SYSTEM_DEFAULT, // System locale* o$ q' y, p# g5 |
&pokeID); // Array of IDs to fill on output
' ^# u! O& a; `; I* J. s
- I; O0 Y- H7 B; E9 }8 a1 E if (hr)! q) \4 T0 J; z/ h
{9 t6 r/ v* W+ X8 `1 K
MessageBox ("Get Poke Unsuccessful");# O: L+ D+ D# v3 O+ y+ \
return;# o2 r0 Z+ N9 a1 I; I3 B
}
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/**************************传递数据给extend**************************************/
! s3 f1 p P; A$ I: q$ l pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);3 k& ?# k+ j/ }8 z; G$ ]& E
" H+ \+ \* l& l/ R) _ valueStr = SysAllocString((WCHAR *) L"1232");+ ~3 p( Z2 D# ~2 ^2 G
VariantInit(&pokeVariant[0]);
% y9 Y5 ]% Q3 u3 y pokeVariant[0].vt = VT_BSTR;
4 F( Y- _& n; n; M% }1 G/ i pokeVariant[0].bstrVal = valueStr;" V. O/ R7 c/ j
% Y6 E+ Z' q/ H& x( g) T
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 w* y/ J3 O1 \- V
VariantInit(&pokeVariant[1]); . U- T0 B8 ~$ e% a
pokeVariant[1].vt = VT_BSTR;4 J& D9 i/ F+ L" W E" f, \
pokeVariant[1].bstrVal = itemStr;' q4 Y" ^+ c2 H
3 I. ?. K8 y! c: Y& D topicStr = SysAllocString((WCHAR *) L"system");
1 Z' e8 {( o) v+ S: j" U VariantInit(&pokeVariant[2]);
$ X* U! g& k: ? s) x. \: Z pokeVariant[2].vt = VT_BSTR;; H" ]" j) {1 c. l! q, V
pokeVariant[2].bstrVal = topicStr;
1 Q) L J3 G* u& Q* F# X
+ l2 R2 ~5 c& y% {) M4 w// Set the DISPPARAMS structure that holds the variant.
$ k r: q, h" ]
& H6 j' ^2 N4 g* a) Y) C# K0 k$ B dp.rgvarg = pokeVariant;
8 T5 r: h4 y6 i' L% K+ ~2 W dp.cArgs = 3;
* R& j% d( Y2 B) S dp.rgdispidNamedArgs = NULL;
4 N4 G" X }) z6 y" Q0 p! o1 V dp.cNamedArgs = 0;# \5 z7 S3 U. Q: K# ~, ~/ Q8 l8 k
/ n4 W, P/ V1 ~4 d* O
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(# h3 t- S) o! H
pokeID,0 C' {2 [+ K- P, T6 {( Y9 l
IID_NULL,6 r6 p1 _+ P$ {/ A$ g; f
LOCALE_SYSTEM_DEFAULT,9 i: h2 |" N; h
DISPATCH_METHOD,$ a" {; r% \ p' ~
&dp,6 E# k2 O& ~' v& N
NULL,5 j7 ^# o7 s* B$ Y* b2 D2 S1 M% d5 @
&ei,
. p6 L9 ^- v- `0 p &uiErr);
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, B9 H& F- p G: o* I8 W SysFreeString(topicStr);& o! @" D( \ C% Q1 u8 Y' o
SysFreeString(itemStr);
' Q) K, |, Z! r+ s SysFreeString(valueStr);% o3 E, ^4 `. O2 [8 W
4 q6 F7 U. |* ]5 Z8 Y z8 S9 ~1 ?: b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???
( B% }$ [# t$ T6 p6 }4 i9 q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????
5 U6 b/ y# R$ O6 s" O9 K2 h% A1 T% s7 d z# C- I, ]
0 a4 K- {: [( X. a6 C4 v5 d# ^2.这是request的程序
. H) Z% X' n8 Q/ V1 U- ^+ X% p6 N// Request a value from Extend3 J- p) y: P' f: l4 _
//
* b5 ]" w& d% X* ~! c+ j S+ E// Initialize the variant that will hold the BSTR. Set the variant's
) f- U5 |- |; }3 T, ~, }) T. |8 t9 |// type flag to indicate the fact that this variant holds a BSTR. Place the% F3 N+ l5 m* d' f
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
/ ~3 Q+ f1 u& D; v- `1 y
- P S) |! W4 E4 W! {) D itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
6 X. @. S/ i7 J { U9 e( g) l VariantInit(&requestVariant[0]);
5 W2 l* J5 u; x3 B2 d requestVariant[0].vt = VT_BSTR;
' i U! i! `& g2 s3 c requestVariant[0].bstrVal = itemStr;+ u {$ _6 m' g- r
( G- Y( j7 |$ F2 o* }1 U: l( {
topicStr = SysAllocString((WCHAR *) L"system");2 a8 d! c7 f7 l$ s/ e
VariantInit(&requestVariant[1]);
$ w' [* L( e+ }" n requestVariant[1].vt = VT_BSTR;
: {1 ?8 ?% V3 g! z. E requestVariant[1].bstrVal = topicStr;) p. i7 g' _/ A: H4 `6 z# y! u
+ P& s7 \/ t1 V1 Q; T; x8 J
// Set the DISPPARAMS structure that holds the variant.# H2 v( |/ N7 \; o. n
8 |' _4 l' ?% Q( U) ~
dp2.rgvarg = requestVariant;. q. q% {' P, p3 N
dp2.cArgs = 2;1 m, F* F5 ]: b" }( k
dp2.rgdispidNamedArgs = NULL;
j( @; X" p5 a6 m6 ?4 L dp2.cNamedArgs = 0;. P9 z* F' Z! `) @, U- G6 `
, Y( T5 Z) ]" B7 D var.vt = VT_EMPTY;
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# H" I/ S! o+ M" U* a5 }// Call IDispatch::Invoke()
/ R! ]8 N! k1 P4 v, {
! M/ d+ e8 i% k: J+ H hr = m_pDisp->Invoke(
2 c" \& l" g5 e6 ^8 t requestID,
1 s4 H; ?7 r5 s0 H: d) [ IID_NULL,; K% C: Y% d6 Y
LOCALE_SYSTEM_DEFAULT,
3 y7 I& y/ k" }+ N, W1 O DISPATCH_METHOD,, O0 n4 O# M0 ]7 W& B% y! X
&dp2,6 l* f1 ?- W I; [
&var,
! C% w3 L) J/ \* V- y &ei,9 C6 v: F8 o3 }6 p, B, H$ j
&uiErr);
! q k- p4 ]6 z. M. h/ j( }0 D* L
- C5 [9 S! h. ? W; }1 ]# W1 ~% l SysFreeString(topicStr);
# {! g X( U7 R) H2 D" w8 z! k SysFreeString(itemStr); B$ n% g k8 g9 i
请问该程序是获得extend里面的哪个值?% Q" R: N E) y, V* |0 t# 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???? |
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