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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:
) ?$ z$ I' P$ A) M" F$ d- fName = (WCHAR *) L"Poke";& |3 ?. e' c; z* e0 n) ?3 Z
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hr = m_pDisp->GetIDsOfNames (9 Z" D4 q6 A5 i( ~2 I& |( x" V; w
IID_NULL, // reserved# t- s: `& R- |: e$ i7 c# k
&Name, // Array of names to get IDs for* M# v) G! _: C9 w- H
1, // # of names in the array
+ Q5 S1 N+ A7 \. M2 K LOCALE_SYSTEM_DEFAULT, // System locale
. D3 ]. U0 F0 p! z, o &pokeID); // Array of IDs to fill on output5 w! m i1 h! H. X" B
* `" `% u, c& B" E* f if (hr)) k# T8 ~+ k( E/ Z+ U' j
{
( @2 y3 O) `' U e! D$ G MessageBox ("Get Poke Unsuccessful");+ Y3 L! t0 H: }6 Z
return;
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; ?- w; W# @- f& H ~ G/**************************传递数据给extend**************************************/
/ g7 E3 |! @5 |5 u. m' N! G pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
: D% g) k; R: I$ B4 ` 8 U$ U) S5 C& j6 s
valueStr = SysAllocString((WCHAR *) L"1232");
: Q5 i6 d7 {1 M d& D VariantInit(&pokeVariant[0]);
* b# _5 s/ T% W4 ?8 y4 _6 P pokeVariant[0].vt = VT_BSTR;
" U! G: M b( a; [9 j" U1 e pokeVariant[0].bstrVal = valueStr;# J0 F* F, M; d% ~" Z0 f0 w
# O+ z1 f) o0 o" M$ l
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- _* H5 q2 `6 k5 y& _, O% H, F- W VariantInit(&pokeVariant[1]); ; P4 G7 [- ?5 I! q5 C3 E
pokeVariant[1].vt = VT_BSTR;
0 F, s% g: _# R3 R% }* X# W* C pokeVariant[1].bstrVal = itemStr;6 D9 s, ]7 k6 {" o9 X! w- c! ^
0 _% ?; [/ Q( ~
topicStr = SysAllocString((WCHAR *) L"system");1 J# t$ O$ z+ {* G' D6 n. Y' h
VariantInit(&pokeVariant[2]); ; \* x. v) {. t
pokeVariant[2].vt = VT_BSTR;
/ N& m! i8 [5 x$ W% h+ N: x pokeVariant[2].bstrVal = topicStr;
1 `7 p2 ]# ~& U6 W3 W @
1 Z) m) K4 ]2 V, j" Y4 H+ n// Set the DISPPARAMS structure that holds the variant.
, J: }) ^) S/ H
" M# ^/ ~ _1 J: d9 ?2 [0 ?1 T dp.rgvarg = pokeVariant;" j5 h1 Q* r9 p
dp.cArgs = 3;8 F8 b# n9 e# L
dp.rgdispidNamedArgs = NULL;" s5 ^8 X- n) H& m& _* A
dp.cNamedArgs = 0;
' K4 y6 Z& V/ A
* s) e$ W) l: o% Z// Call IDispatch::Invoke()$ R' |9 r5 x9 N6 `
) \3 y6 I4 {8 H& F, l# ?, b hr = m_pDisp->Invoke( q: S* u8 s+ Y% Z/ z, q: {! |
pokeID,
' C' |' q' ~; p0 x IID_NULL,
! W: W$ ~) n+ [6 h0 |8 o- f0 s LOCALE_SYSTEM_DEFAULT,
$ D" C/ [2 r& h8 N DISPATCH_METHOD,
, o" `* y# m4 {; w" p0 {! Q5 C; B &dp,0 w1 a R$ I( q* G
NULL,
/ B( K) c' |# Z, @2 K% Q& T &ei,
5 w- c& L! W2 Y. u7 g3 ^6 U- z &uiErr);
) ~- @4 V6 b' [3 N5 z4 H
0 G+ Z/ R& c7 t: Z% y: { SysFreeString(topicStr);4 B' i3 [( j" l& }5 k: |$ Y5 R3 S
SysFreeString(itemStr);; B! H% S9 H5 F' g1 H# i2 P% g0 V
SysFreeString(valueStr);
; b3 w, ?8 y7 x4 a5 y! U. q2 f0 ?0 x* T+ p/ J
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 H& `" l* F% z$ D
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????
@) p0 z1 ^. i8 I2 E5 J) D8 {: A6 g0 B9 ^' k( x: P7 i5 Z. T2 D
3 d& L. ?3 F* T+ j% x+ T) {2.这是request的程序
- Q# t# p0 _: k// Request a value from Extend" G/ t/ u! A# g# a! C
//
. C8 t, N6 }0 [3 \% K// Initialize the variant that will hold the BSTR. Set the variant's! o# h2 q. }& i4 [7 d0 r+ B) ?8 f
// type flag to indicate the fact that this variant holds a BSTR. Place the
& _8 ]! n% B. x, b// BSTR into the variant structure.
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' b- }9 `4 O( b- q requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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3 T: I/ F" _" u3 _7 s, ` itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: h. i# b) t$ p/ b! l% o VariantInit(&requestVariant[0]); 1 B! o( |, d* d) M- D. W
requestVariant[0].vt = VT_BSTR;
; b7 U$ U8 y+ y& B. o requestVariant[0].bstrVal = itemStr;; s2 w+ k* f* o
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topicStr = SysAllocString((WCHAR *) L"system");! N/ a8 I, ?0 W( N' Z4 ?+ ^
VariantInit(&requestVariant[1]); . `. j7 U2 `1 ]* C6 T& @
requestVariant[1].vt = VT_BSTR;
1 s8 y( X. ]% @& ]7 f2 d# D: @ requestVariant[1].bstrVal = topicStr;; R# h P( G% a
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// Set the DISPPARAMS structure that holds the variant.9 M7 K% F& A4 `) O
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dp2.rgvarg = requestVariant;9 d; G, A! C1 c8 g: ?* F
dp2.cArgs = 2;$ f8 p6 h9 }8 W5 X+ ^
dp2.rgdispidNamedArgs = NULL;, n3 s0 T9 w$ g1 s7 b, Z
dp2.cNamedArgs = 0;6 c* Y, M; i1 E
, r1 t6 d' Z3 e2 U( G/ x var.vt = VT_EMPTY;+ }) Y6 N8 w1 b {8 B9 K1 ?
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// Call IDispatch::Invoke()! o5 @4 B! f T' y5 @
4 R* r$ m2 }( Z7 a M0 ^8 | hr = m_pDisp->Invoke(
: T) k2 K$ u' m" D8 R: E$ e m8 M* a requestID,
+ m! @) b) Z5 @+ l6 p8 V IID_NULL,- I7 k5 K: |# y6 [
LOCALE_SYSTEM_DEFAULT," z* K4 e3 Y7 w5 X# N4 O9 A; j
DISPATCH_METHOD,
3 m7 V- t4 A; N1 o0 S% o; i: T &dp2,% q* D3 c+ r% {* ]3 l9 U0 W) J
&var,! v0 U6 K" f6 H0 @& b% g
&ei,
7 B; K5 ~2 {% [ &uiErr);
, o- J9 L- Y) {
3 G& G% G5 ~( Y7 k; ^. B' G- t SysFreeString(topicStr);# A( w& D5 S+ h
SysFreeString(itemStr);' Q; v0 A& h8 ?" b r. [
请问该程序是获得extend里面的哪个值?& v" P. u s& f- 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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