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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:8 E, g- E5 V" L9 P0 A; E! S
Name = (WCHAR *) L"Poke";0 O* z* Z5 z4 t, G% e8 m
8 I0 Y! j% B) D* g; ? hr = m_pDisp->GetIDsOfNames (# w! }9 z) a" K! {' v- P1 Y
IID_NULL, // reserved
$ w1 d; _+ S6 F& }! g/ {( E/ b &Name, // Array of names to get IDs for- R7 x( n9 o3 D N: e
1, // # of names in the array' z. |! X6 V; H/ x
LOCALE_SYSTEM_DEFAULT, // System locale" n( N9 J2 @4 f
&pokeID); // Array of IDs to fill on output
3 L/ \" H" @" a& b4 i. V+ a
6 z+ Y/ Y2 u) Z. V5 [; L0 p8 e8 \ if (hr)# k& ^3 R2 Z4 C k( U) Y8 f, q* o
{8 ~0 {3 b/ U* f& {+ ~
MessageBox ("Get Poke Unsuccessful");
- T9 e" m3 ?* { return;+ N" D6 @! m9 k# c7 b( n; H/ L) ^
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/**************************传递数据给extend**************************************/
8 E6 e. M9 b2 F8 a' m3 ^% x pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");5 I3 i$ u; ^8 u( R
VariantInit(&pokeVariant[0]); . |& E; ]' [1 ]
pokeVariant[0].vt = VT_BSTR;7 g1 `$ l* u" b" t, p4 |8 _ m
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
+ X" g8 {% O( n7 h VariantInit(&pokeVariant[1]);
p. ^7 {4 V/ }4 x pokeVariant[1].vt = VT_BSTR;0 _# \8 q+ K3 P* n2 p
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( C! ?3 B7 [) q j& V VariantInit(&pokeVariant[2]); 1 K+ x" v: G6 T- b7 Y" t9 ]7 C
pokeVariant[2].vt = VT_BSTR;) z }( G, w/ t0 x( f/ @
pokeVariant[2].bstrVal = topicStr;6 a' Q2 u( o0 v* G
B/ u/ O: X$ y// Set the DISPPARAMS structure that holds the variant.
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* v, a2 [8 G) T% X5 n dp.rgvarg = pokeVariant;
" l) N( j, G9 W. ~$ ~& e6 A( } dp.cArgs = 3;' n4 ~! y1 \. m, f, b& ]1 d
dp.rgdispidNamedArgs = NULL;6 b1 K3 ^7 A9 M% n4 y
dp.cNamedArgs = 0;, m, x7 a# q& a* f5 T/ b$ @& J
& `% Y9 w1 z: e' M( m6 l// Call IDispatch::Invoke()
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4 u9 \3 h. e0 L% f hr = m_pDisp->Invoke(
+ ~& s6 L% T: Q; ] } pokeID,, Z% Q9 A/ ]. j7 y3 i# [; J5 ]
IID_NULL,# K+ ]! h5 y) i; J0 y2 M7 d
LOCALE_SYSTEM_DEFAULT,
E, W6 j5 s5 X7 J/ I; i) W DISPATCH_METHOD,
' K- g; d/ A# }! H! W &dp,
* M2 n2 _: ?, _$ L+ ? NULL,( J( s `6 S# K
&ei,+ B" y S: B* z% U$ }
&uiErr);
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SysFreeString(topicStr);* X% O5 T7 \" [0 J4 `
SysFreeString(itemStr);% S% s0 C" Q+ P; X; H
SysFreeString(valueStr);9 R3 V5 a7 a1 A$ j
: k. J# I$ U+ f1 p' S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 C( [+ _0 M8 x6 b, J
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????2 P: m5 M9 v$ n6 V, n: z+ P
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4 P1 C' y* J! G" c: p0 h2.这是request的程序4 R( l, ]8 g$ w8 H
// Request a value from Extend
6 ^/ p0 X- q$ o: ~) ]//
$ G5 m% x2 y) x8 _4 Q// Initialize the variant that will hold the BSTR. Set the variant's8 v1 P3 e2 K; S& h; N0 D( r
// type flag to indicate the fact that this variant holds a BSTR. Place the' k! p$ ?2 [6 A( w, U; z2 v
// BSTR into the variant structure.
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( F, E' k: s) c/ J! T* _ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ k3 Y+ ~( `0 }4 K! a" O3 E, P VariantInit(&requestVariant[0]);
. Z/ i& d6 r& ` n/ h requestVariant[0].vt = VT_BSTR;
8 R9 G$ H: p( K9 n% l/ m requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");. n8 _4 E0 H, x5 O- M# Z
VariantInit(&requestVariant[1]);
( i, W/ Q( k4 }2 f( w* z requestVariant[1].vt = VT_BSTR;* n" ]7 G" I2 T' r2 m
requestVariant[1].bstrVal = topicStr;
7 C# @8 O6 A2 }2 A
% e5 F! s6 H" Y9 K// Set the DISPPARAMS structure that holds the variant.
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5 M: G( v) C7 D+ K$ o0 b dp2.rgvarg = requestVariant;
& \! [- {, g- e6 j9 R dp2.cArgs = 2;
4 h# L; ]: ^, @. a dp2.rgdispidNamedArgs = NULL;+ }& W8 U3 L k( N* m& E
dp2.cNamedArgs = 0;
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* P) W( a! ~! B E$ l var.vt = VT_EMPTY;% ~7 W f% Q p& p, z3 y
( V) v4 M. x+ [. I6 ]. t// Call IDispatch::Invoke()# @! q; X/ n( V4 Q+ A2 [" O7 F
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hr = m_pDisp->Invoke(% p. k+ E) p. o0 L
requestID,
8 I! \0 Q/ o1 f6 m" F* T7 Q IID_NULL,
: B' Y( ]2 P8 R: H4 ~2 w1 h LOCALE_SYSTEM_DEFAULT, P* ?9 y; ?7 `- G2 Q, a8 W
DISPATCH_METHOD,! D) V, f- _0 b9 _& t# \
&dp2,9 }6 @. G' A& x- e! e: a u2 f. x: R
&var,
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&uiErr);# N) |4 S4 W: O5 V p
: B) y: s8 u2 e' H1 T, @* p( ` SysFreeString(topicStr);( l6 G+ ]- n& w! r; q
SysFreeString(itemStr);* ^% w0 ]# I' g; ^7 O
请问该程序是获得extend里面的哪个值?
4 c1 W, ?9 |+ _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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