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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:
- N4 x3 @- y; A- {/ @. QName = (WCHAR *) L"Poke";
& T& c& q8 K7 H1 W* e, J : J7 j5 e6 @! b& R" \
hr = m_pDisp->GetIDsOfNames (
" S' O9 Q6 X* L( c0 _/ J7 @0 u0 i IID_NULL, // reserved7 M) a0 `) {6 D% y' K% r
&Name, // Array of names to get IDs for
) V' V" d/ j: m, |8 Q% F 1, // # of names in the array/ z( _8 O$ R7 T" o+ i, R, i
LOCALE_SYSTEM_DEFAULT, // System locale. D3 y6 ~: o F6 s0 G3 @
&pokeID); // Array of IDs to fill on output6 q* v3 E; ~5 e7 ^% K
& a6 ~- L! c5 [2 G. H- l
if (hr), M8 y3 A: {# \+ P- M1 K, u
{9 g( a# n; F4 i
MessageBox ("Get Poke Unsuccessful");. h/ n# E9 V6 U& N/ a4 I+ }
return;% G5 e% K$ N/ f$ Y& h
}
# O% i8 J4 w5 B) y7 m
' K% F- b6 g# X8 n& [/ n: y/**************************传递数据给extend**************************************/) h) L. @, P+ w ~
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
g. b8 f) F' k" C
( U2 Y7 S3 X& \* m% }3 F) K8 z valueStr = SysAllocString((WCHAR *) L"1232");3 r; p/ z: I, N
VariantInit(&pokeVariant[0]); 8 n7 H& k! G5 E& W4 ?( `
pokeVariant[0].vt = VT_BSTR;
+ o/ h5 L5 B# y8 A' m/ v+ r pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 P+ J; A# x3 g* @
VariantInit(&pokeVariant[1]);
7 X& f: C" M/ B, @1 g pokeVariant[1].vt = VT_BSTR;
$ y* y/ p! l3 n* d% ` pokeVariant[1].bstrVal = itemStr; ?3 \+ Z7 A9 e5 y+ X6 H
: V3 a' h) M3 v+ s topicStr = SysAllocString((WCHAR *) L"system");
# @# J+ o: R. k4 I8 l- r VariantInit(&pokeVariant[2]);
0 L! P _3 g. \6 z( x8 N pokeVariant[2].vt = VT_BSTR;
- u/ |; E* N( n! V3 k% V2 g& V4 ` pokeVariant[2].bstrVal = topicStr;
% y' }4 I0 T( c% Y9 Z/ P+ M- d, s2 c; n+ w1 s
// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
, y( x }1 s/ Q6 P5 X dp.cArgs = 3;
/ g9 L. \1 k* S7 ^3 i8 v dp.rgdispidNamedArgs = NULL;
1 H J. F/ B7 `8 ] dp.cNamedArgs = 0;4 W5 Q: o, }) [* {
& s' W/ U1 ~& V. A# s
// Call IDispatch::Invoke()
3 l$ N. O' d p$ |* E: ?
( Z! C$ }. D. g V hr = m_pDisp->Invoke(
) }$ v% J I' o0 [1 o0 p pokeID,$ r" ^2 w) \# ~9 P' L+ S5 w& X
IID_NULL,/ e: x; z; `$ U) ?' \% T
LOCALE_SYSTEM_DEFAULT,
. q8 b1 m6 b3 a2 B; h( j DISPATCH_METHOD,
: Z: e9 A$ x! `/ d6 p/ k0 i3 | &dp,
# v" Z. K3 a0 O) w0 n3 C NULL,: E0 B5 f/ {8 x
&ei,+ U5 L5 c# U7 ^9 V" e
&uiErr);
! {& y( S m" ~
3 \" ^# N( Z% ^) d SysFreeString(topicStr);
* V4 T& {2 Y& a- k SysFreeString(itemStr);# p, p' I( Y: S5 q Y* Z* C
SysFreeString(valueStr);1 h) V3 q* t9 ~- Z v
1 s- ~" c' j/ J/ a9 ^; r
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???
6 q7 ]& |# }9 @# @9 A' L) o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????
4 q0 G; h7 N' X: b6 b$ L4 ~2 s( k/ X$ F4 _
& O2 D* A+ A6 U9 L2.这是request的程序5 S# b; V9 A: ?! J
// Request a value from Extend
8 ?% @/ K6 {% U% z6 v; H8 J//
8 Y& [* M- O3 e( A; {! u// Initialize the variant that will hold the BSTR. Set the variant's" r/ G+ E8 P/ m( S1 f2 n& q
// type flag to indicate the fact that this variant holds a BSTR. Place the; P" P$ ^* ~9 |5 S
// BSTR into the variant structure.
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/ f; Z! K, E; u, I requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 E' i7 T; a/ F2 n0 h) U VariantInit(&requestVariant[0]);
$ W8 |. ]0 M5 k requestVariant[0].vt = VT_BSTR;$ d) q& E9 U3 P) S& ~' q! i4 L
requestVariant[0].bstrVal = itemStr; o0 J8 f) X* @2 F2 ^0 `7 K
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topicStr = SysAllocString((WCHAR *) L"system");
2 F/ M1 c, Y. v7 i) E( V VariantInit(&requestVariant[1]); 4 Y; a( ^# K) N' s3 _+ d M' f$ Y
requestVariant[1].vt = VT_BSTR; L+ M. p4 b% F2 G. D
requestVariant[1].bstrVal = topicStr;; ~: B- I' D3 U) D9 z
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;. Q8 Q0 Q( [; V
dp2.cArgs = 2;: R' @2 J4 \5 O# G @; `0 o. ^, w
dp2.rgdispidNamedArgs = NULL;& R) @, Q' v- [7 q) I
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY; U" q2 g! i3 b( ]6 |0 Y2 O- ~
& g. J. c1 e$ a/ v& {9 F; ^& z// Call IDispatch::Invoke()
" p" I! f: x5 ?( @
, m. I1 }9 f6 B) A hr = m_pDisp->Invoke(1 D2 [; C) Z, u( |. [
requestID,
$ l6 `- J, E% w/ P) p6 } IID_NULL,
6 t! v8 ?2 ^6 M! P1 ` LOCALE_SYSTEM_DEFAULT,0 q6 v: j% E3 z) ?
DISPATCH_METHOD,2 a4 y% `" e6 v
&dp2,
; g8 \' K0 G* a3 m &var,
( P6 w* @. u# k' E e &ei,
0 t S. V" l2 I3 R- \ &uiErr);$ ^" G$ q' K2 ?, G( m4 m4 [
% [' b4 h- y" y( e6 n# ` x8 |! R SysFreeString(topicStr);
4 w' b. K9 O* o: e; M) v4 [ SysFreeString(itemStr);, c# i9 K9 I$ b* a
请问该程序是获得extend里面的哪个值?1 T4 E- ]+ j. n |4 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???? |
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