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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:
2 O' ^1 W0 J; a2 LName = (WCHAR *) L"Poke";
# {+ L% S/ j) \2 b9 M , i% p( A/ F1 |& J7 S' W4 F6 Q2 |' ^) w' c
hr = m_pDisp->GetIDsOfNames (
. x( K1 r7 W% V5 f `7 s7 V6 S7 } IID_NULL, // reserved
, e0 T9 k: x3 N3 k &Name, // Array of names to get IDs for2 y4 Q( d; _0 w) _
1, // # of names in the array" R. _: E) h7 }( G8 @
LOCALE_SYSTEM_DEFAULT, // System locale* O v3 L- m2 s+ ?& d, }
&pokeID); // Array of IDs to fill on output
( V/ A' S/ V: Y- D2 q) _/ L0 {
8 T6 e9 T6 I! Q/ }+ q) Q' S if (hr)
( V, T& @2 j$ p z {
' k1 d) m O7 ?' Z# g MessageBox ("Get Poke Unsuccessful");9 h. j1 l4 O. f* L+ N) }+ n8 O! k
return;6 b. a: Z, r0 l3 f% n
}5 ~* t$ f" |- D, e& b
* C) B, O& v- {4 x/**************************传递数据给extend**************************************/
8 }4 @. O8 S6 i' B& x4 m0 d7 u pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# \3 J3 H& R( d7 t& s
# j. N3 ?6 a$ g; i% @" [8 A: L valueStr = SysAllocString((WCHAR *) L"1232");
' ^( ]- b$ }, W VariantInit(&pokeVariant[0]); & ~7 z3 B( Q" j; B
pokeVariant[0].vt = VT_BSTR;" X; X. o" j* R' Y, ?, k5 _
pokeVariant[0].bstrVal = valueStr;
" A1 Y/ w4 ^: b) d' _/ ^* v/ V; `$ J' g# X$ G) p- I& Q
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
: b# k9 S4 t N6 D. a3 T% u VariantInit(&pokeVariant[1]);
9 | K, r- [. R" e: j' J2 o9 G& S pokeVariant[1].vt = VT_BSTR;
1 L" G; r- {9 W& B% H pokeVariant[1].bstrVal = itemStr;; C9 F, ?. ]2 ]; i
% I) Q7 h; I! K
topicStr = SysAllocString((WCHAR *) L"system");$ {" [, Y) d7 S3 A" _- N
VariantInit(&pokeVariant[2]);
* h) \6 N" z1 {, I3 K( q pokeVariant[2].vt = VT_BSTR;; W ~" J7 B; e0 ]8 X
pokeVariant[2].bstrVal = topicStr;" n# Q1 W" V+ r" I8 U9 E4 F0 _; b
/ I: ?: ]: e3 d7 G4 ^2 V# }
// Set the DISPPARAMS structure that holds the variant.2 d6 b* V" A1 S
, i8 {6 _% r C+ b2 \
dp.rgvarg = pokeVariant;
3 Q# H( C, T7 n8 Z4 t4 Y; O dp.cArgs = 3;
" `1 }' B2 T4 K- j6 Z0 D dp.rgdispidNamedArgs = NULL;4 X$ U: g& u8 Z
dp.cNamedArgs = 0;
5 n8 C( a8 n8 a2 P P% L6 n8 V( A0 Z' Z) Z
// Call IDispatch::Invoke()
* V( h# i# m5 m
0 s% }, E" U8 M! l. W: O hr = m_pDisp->Invoke(1 H L5 ]( x5 r8 ~
pokeID, V: y) E6 g. f3 n
IID_NULL,7 O7 C1 \; a$ ?' V+ E
LOCALE_SYSTEM_DEFAULT,
% X! Z% y/ n; |2 n DISPATCH_METHOD,7 }4 O+ r1 T- b3 P' `/ F7 f6 A' I
&dp,5 E* c) w' h3 |- c/ V- Z
NULL,6 ]! o2 o$ p. M; r( T5 z
&ei,6 g! a# A4 b6 f
&uiErr);
' l" F( J6 x% b3 j
1 |, \( I* o6 c1 t' O& L SysFreeString(topicStr);8 j% i* w6 }% t2 @) G0 \1 l3 [
SysFreeString(itemStr);& n! i1 A1 f6 _ R3 z
SysFreeString(valueStr);1 O7 b4 @6 O% m5 B
( B! J: i- a# Q/ b- J k& 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???
! m! Y* H* f; n/ M! p/ b+ n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????
/ Z! }( _( E* p! l8 E. i" Z" j
# f* t5 U( @$ b) A+ ]( l- o( Y2.这是request的程序: d$ H( K( g: f7 G
// Request a value from Extend) z) y% a2 ~8 @
//
9 }0 H. c, _% D! ^4 r# G/ t O5 c// Initialize the variant that will hold the BSTR. Set the variant's- b& j' N# v0 O2 J6 j0 R d5 i
// type flag to indicate the fact that this variant holds a BSTR. Place the4 e. A4 D C& _6 I
// BSTR into the variant structure.' B& _5 N3 e; b: r' D$ L: e
) B$ C& N, \, {2 X/ O
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
) h; f+ T4 f; D6 g; p, f5 Y& q6 L : k" V7 X3 y6 U/ t% {- `0 y, |
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 W1 z7 O9 `/ I( E" J VariantInit(&requestVariant[0]); 3 D" N, w1 G% K5 ~; U
requestVariant[0].vt = VT_BSTR;
( ?. o0 Y0 P2 w9 G: t; ~6 m requestVariant[0].bstrVal = itemStr;
' o% `1 p4 Z9 x/ v1 j- |
9 y5 T) K" \* j7 M topicStr = SysAllocString((WCHAR *) L"system");# Y) _7 [9 w8 F$ U
VariantInit(&requestVariant[1]); 3 Z) i$ p: @) o
requestVariant[1].vt = VT_BSTR;
9 ?8 O$ }" t( e requestVariant[1].bstrVal = topicStr;0 {; O3 K3 K: }! G
# d# C: P# Y' G# w
// Set the DISPPARAMS structure that holds the variant.
0 y% k- o0 o$ P/ \
! t# A- k H$ [7 x Z dp2.rgvarg = requestVariant;% K0 Y4 @* u3 t8 X2 ?
dp2.cArgs = 2;
8 @' x5 h0 i' N" l) p) s- i dp2.rgdispidNamedArgs = NULL;
5 e& P% X4 h+ X$ `' ]# `) X dp2.cNamedArgs = 0;
C3 A0 R9 c3 E. F' e7 M1 b1 F, J
) s5 L% l9 }4 c p( T8 [* P2 B0 W" z var.vt = VT_EMPTY;! ~* Z+ c$ Z w& ` G( y
3 ~# b, ?+ @: W3 R// Call IDispatch::Invoke()
4 u5 M9 o! o" S/ c
* t! t5 t" v$ o4 e8 }) H hr = m_pDisp->Invoke(
. l9 C* v6 f; B requestID,1 q/ _( |/ b T# d; W/ k% E( T5 ]
IID_NULL,
# U% B8 d- ]/ p5 g- s$ P LOCALE_SYSTEM_DEFAULT,
' w9 e" z9 P5 u+ D8 T- S! A DISPATCH_METHOD,% H$ R7 [. y! j u
&dp2,
+ o, ?! K8 W6 |- Z% E9 c &var," d9 B. s6 E# t
&ei,* P z: a2 q$ l3 k }* n
&uiErr);5 {! M1 Y! v$ e8 S: _* O
g" M; h$ e; q6 K7 {* u/ @ SysFreeString(topicStr);
" R8 h, w8 z: K2 g/ x SysFreeString(itemStr);1 G- k' s. c+ J" X4 Z. k
请问该程序是获得extend里面的哪个值?
. U8 Y8 B* K3 n6 R% y4 w1 a \; C! [2 a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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