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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:- }) L6 o3 p" [6 ^' v
Name = (WCHAR *) L"Poke";( l; O1 z5 z+ }' b) O
; D+ r7 v8 D0 n3 Z hr = m_pDisp->GetIDsOfNames (
8 G$ `% E) d4 A& t7 O IID_NULL, // reserved. f( S2 ]/ C3 |' T ^; y) s2 S9 @
&Name, // Array of names to get IDs for0 v# Q* d1 j9 ^
1, // # of names in the array5 m8 y- p2 E U: _# Z
LOCALE_SYSTEM_DEFAULT, // System locale
0 z- V3 V1 I+ }7 J% A% C &pokeID); // Array of IDs to fill on output9 @& ~6 }2 h4 v0 S; U6 m' W, a
& M% z A2 Y: U# ?. J; z
if (hr)* y# D% ~; E. U$ K h$ Z2 y
{& y: U+ X" }: K+ A; R
MessageBox ("Get Poke Unsuccessful");
1 Z- u1 ?, ~1 d1 G( d3 t0 L, O return;) v6 m" [/ p7 G v9 S; q
}6 ~# i0 U# Q0 B
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/**************************传递数据给extend**************************************/) X( f$ {1 Y; v$ u- {
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
/ ]/ r. [% u# E: q* i4 y d( n
5 t- x# n% L! I valueStr = SysAllocString((WCHAR *) L"1232");. W: Y! t ~) C! J5 D
VariantInit(&pokeVariant[0]);
4 v* p, f1 c) o6 x* \$ t pokeVariant[0].vt = VT_BSTR;
" ^3 W( N6 Z* e2 _( W pokeVariant[0].bstrVal = valueStr; T+ j, k& x+ b" b
: _* ^8 r2 I& d
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");/ p5 K9 n/ i7 n5 A" Z- m
VariantInit(&pokeVariant[1]); % u' `0 k- Q) r7 d
pokeVariant[1].vt = VT_BSTR;; _( a) g3 I `2 s6 M8 c) a; g H
pokeVariant[1].bstrVal = itemStr;7 @4 D, B# \6 R1 b
+ {1 s8 C9 v; |. }+ z* i* u topicStr = SysAllocString((WCHAR *) L"system");
" b, S6 i; O# W/ `: h6 s0 q- N* M VariantInit(&pokeVariant[2]);
( F2 N( H4 w$ M( A& ]4 ?3 g% j pokeVariant[2].vt = VT_BSTR;
1 P* v1 @7 D' O* r P& g3 o pokeVariant[2].bstrVal = topicStr;
4 f. b" l1 X& H" y6 U
5 M$ d1 [+ C& ^* x% u8 y/ k// Set the DISPPARAMS structure that holds the variant.) Y: H# x1 e$ N0 S# ]# k
F8 L- d, ]$ k- w; ?9 F
dp.rgvarg = pokeVariant;5 t$ m q3 T7 U$ ]
dp.cArgs = 3;
4 \ I, q. ]1 R- ^8 d0 L! v: p* ~ dp.rgdispidNamedArgs = NULL;
7 `, n W$ K3 P# g5 U dp.cNamedArgs = 0;1 j' a/ H. T9 T$ v
# I/ a: f" ], `" ~
// Call IDispatch::Invoke()
9 M. N+ v$ o5 g! p) g' b
, A0 U& z; |$ a F8 x hr = m_pDisp->Invoke(
# Y; b1 b4 U" H% N7 | pokeID,9 L- B# `, K. |: s; Y& W7 @
IID_NULL,
G4 a% P& c& r- I4 N LOCALE_SYSTEM_DEFAULT,' w3 h5 f0 [: H, x+ M7 W2 \& |
DISPATCH_METHOD,7 O8 n9 a# ]5 L$ @* N, d/ A/ |6 ]8 a
&dp,
7 i" t" U' x% a NULL,
0 c G+ e% i' V6 V1 y& d4 w" d &ei,
1 [4 E3 ?. v4 r+ C8 e) M; q7 k &uiErr);
) |$ }& H" X6 U, V. h6 B
4 C" A3 g4 ^/ D4 ?5 ^ SysFreeString(topicStr);
$ h( v0 c8 \+ E, t# \ SysFreeString(itemStr);
8 x( X' k# P5 l5 ]6 ?$ \* Z SysFreeString(valueStr);
7 c/ @! ~: N, m: u! A, r ?5 s# Z2 N# @! y* E
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???# L4 M6 }+ h6 k8 A: `- [ |
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????
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. H8 O% X6 T7 ~% u4 a) a! Q2.这是request的程序
- s8 ]' p5 Y5 ?4 |9 t- E5 [' m// Request a value from Extend) \: A4 \* o! i1 h1 U8 p
//3 H) f' ?/ B) B4 H
// Initialize the variant that will hold the BSTR. Set the variant's
5 O$ L$ b' y, D* n/ F# [// type flag to indicate the fact that this variant holds a BSTR. Place the1 Z( i* F1 ~7 G) L$ I, m
// BSTR into the variant structure.9 p0 I1 C0 q5 q% j# V
4 g6 V7 \6 ?$ v: d: [: [; b requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
: ?; p2 _& d' y' n5 ~! H" b: o# g
8 D5 K' C) q& }% q2 ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");$ D! n# o! R+ E4 k! _/ j
VariantInit(&requestVariant[0]); , l! j! v) h$ H$ e- ^/ x' D* F1 F' e
requestVariant[0].vt = VT_BSTR;* T! {6 G* F7 `& S" v- x$ E3 }
requestVariant[0].bstrVal = itemStr;
" W# z0 @. Q* x+ e4 }- a
9 L; T* u; l. u8 x' `! c' ~ topicStr = SysAllocString((WCHAR *) L"system");
4 r# d& }! E, e- s) V+ I VariantInit(&requestVariant[1]);
, |9 j1 s0 r8 ]6 u requestVariant[1].vt = VT_BSTR;
V) C _4 R/ N9 d' I" T requestVariant[1].bstrVal = topicStr;
$ I# m4 e+ F5 Z3 d2 B! P3 t# E* V
. [9 f \6 D& _+ z// Set the DISPPARAMS structure that holds the variant.
9 k* M& D+ q: C: o: a8 J+ @% u* b" E! \! k& k6 [
dp2.rgvarg = requestVariant;7 \ e k# ^7 u0 G [; b
dp2.cArgs = 2;
' x7 \3 ?$ T) k# u. M( g* ?( Z8 K dp2.rgdispidNamedArgs = NULL;
" g/ H0 L8 s$ Q7 ` dp2.cNamedArgs = 0;# Y5 c8 A! Z7 Y$ Z( w/ {
' v2 ^* k: Y+ U2 Q! x var.vt = VT_EMPTY;
$ C* ~/ \5 C4 [. O
1 T* r9 N, @7 r( G. r// Call IDispatch::Invoke()1 @4 W6 r: r+ j
# J% |' p+ N' x/ o hr = m_pDisp->Invoke(
: O* W4 X+ z0 J: |6 i requestID,
# N. c; _9 [& h+ o7 T6 _7 K7 j IID_NULL,. R0 i/ n: T5 z
LOCALE_SYSTEM_DEFAULT,
% u, \" L! l/ J5 K; d, h* n5 a0 b DISPATCH_METHOD,
7 D* I. ^9 ~; b$ E &dp2,
2 d* e- o6 L2 f% u &var,. Q2 X& [; T O% d
&ei,
3 U0 {. {. i! e: u& U$ Y &uiErr);$ C( C9 S% E1 K/ h
9 g# k6 s( M2 p% z SysFreeString(topicStr);8 L- C! w3 p: R: R, d5 S
SysFreeString(itemStr);. M7 g; a8 B8 d7 R( ?5 ]- g6 L
请问该程序是获得extend里面的哪个值?
* X: e1 }9 G% }+ 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???? |
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