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:
9 |' N0 G o3 F/ ?6 c Name = (WCHAR *) L"Poke";
! O2 g: k. s# F9 ~+ x/ b/ c' ~ , M/ l$ l3 N! q H
hr = m_pDisp->GetIDsOfNames (( ?7 B9 W, u& f
IID_NULL, // reserved2 F+ S$ t. O, t5 a
&Name, // Array of names to get IDs for$ Z% p; r6 V7 O; F9 y/ a
1, // # of names in the array8 v5 e: h p0 ^$ J
LOCALE_SYSTEM_DEFAULT, // System locale
6 |1 ^# f0 p M) ]/ `5 A &pokeID); // Array of IDs to fill on output9 a4 M0 T" f( [8 m/ c
# S( {( G% C0 M" o: R if (hr)
|0 }0 M2 t2 T0 P: N {
. i2 u9 [: T) T1 c/ ] MessageBox ("Get Poke Unsuccessful");
) p- A8 f$ Y/ R) O8 @2 L return;
8 v+ v/ n4 o6 S" { }
7 ^9 Q/ P# C2 \. P* v4 n! I & ?$ c$ r7 t( ^( e
/**************************传递数据给extend**************************************/- F% @3 i* X3 ~! o
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 D' U+ ^7 r2 G! H4 d1 k
4 F) ]3 i) M1 d valueStr = SysAllocString((WCHAR *) L"1232");
9 M+ L) m* H2 ^* C VariantInit(&pokeVariant[0]); 2 F- J! o' j6 x
pokeVariant[0].vt = VT_BSTR;
" y; d- P7 s8 I% Y# }! p3 x pokeVariant[0].bstrVal = valueStr;
2 J1 a j& U+ I9 ~6 ~' r+ P! ^ , E* X8 G! j- H$ a0 |! U7 X
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 O5 q( d$ B4 d3 \/ q9 u* S( Q3 ^ VariantInit(&pokeVariant[1]);
( ?+ [* f3 Z, X( Q8 x3 k pokeVariant[1].vt = VT_BSTR;/ _/ e) ]0 L4 A1 G
pokeVariant[1].bstrVal = itemStr;
* `! |! W6 ]' }5 j( F, ^7 U
8 K4 D& Q- T0 E2 Q- L1 a topicStr = SysAllocString((WCHAR *) L"system");4 T% H/ `2 h3 `% J* q
VariantInit(&pokeVariant[2]);
' h6 `: t( ]1 F6 D6 ~# F+ G pokeVariant[2].vt = VT_BSTR;2 |4 z$ b" @6 K' ^
pokeVariant[2].bstrVal = topicStr;
, b. k" V2 E: |: \8 g1 _ ' |0 g+ X L( J8 _3 y
// Set the DISPPARAMS structure that holds the variant.
) {* |/ b- ]( C1 Y 1 [" Q- U1 {; F) H
dp.rgvarg = pokeVariant;, T. ~' Z5 k0 k/ ^' q
dp.cArgs = 3;. j* e2 F* H b1 y# j1 x' d4 y
dp.rgdispidNamedArgs = NULL;. Q$ n4 {( @: J) o* N1 d" ?
dp.cNamedArgs = 0;" ]3 C2 b# L' D! M% x
" z& u" d& p$ Q c2 J7 v // Call IDispatch::Invoke()1 C, e) k3 m1 n0 _& Y# W
: }6 d) {% I" l5 x# z; G
hr = m_pDisp->Invoke(
, v0 }9 x ]" Q$ j pokeID,
/ F! \$ D% i2 ]3 d- j6 Q IID_NULL,! B3 o- B# I6 x0 N: M# k- ^6 p
LOCALE_SYSTEM_DEFAULT,
R; ?% i0 M4 R/ _ V DISPATCH_METHOD,
4 @+ s* o! o, F4 w &dp,2 v$ u2 e) J1 J2 J% }3 W0 ]
NULL,
( r0 b* }8 s' c3 h3 D7 A. b &ei,
`* `7 s1 e) \1 Q5 _6 b. d- A6 { &uiErr);
" A- Q- b l2 N7 [% j4 P C
2 u: V" c5 G. n# X, [: S SysFreeString(topicStr);
. I/ j' _- `: t6 k SysFreeString(itemStr);
$ Y- C1 Z q3 E, `& l SysFreeString(valueStr);
' h5 H2 t( K* B, u; w. L
! s8 ?5 B" s3 J- 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???
9 g, ^% ?, W4 z& M% C" d8 ~/ h; 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????4 c# k6 I" S ?3 O
7 X O3 `# |/ R9 i) |
4 {8 g3 \# B! {8 g 2.这是request的程序! x. I. C3 o$ L' i7 C
// Request a value from Extend
1 M2 G$ E! |3 A //
8 W$ V. V) y% U2 _: [2 y& z // Initialize the variant that will hold the BSTR. Set the variant's3 f z7 |7 S) [* y. O ]# I5 Y
// type flag to indicate the fact that this variant holds a BSTR. Place the. p& P# S# O0 g+ e, L9 |) N$ P
// BSTR into the variant structure.
' _( q. p# t. D+ f J9 W# s7 t: G
4 x3 {# Z1 a' @* V+ o3 w6 J- o0 e/ J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
& X, O g2 r7 n% I7 D/ R# s( b ) l5 _% A' t" q. ?# E2 Y6 Z
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
; Z) @ E2 ]1 q+ E VariantInit(&requestVariant[0]);
( E) m0 n) [) j( W' S$ l0 G, U3 Y- p& \ requestVariant[0].vt = VT_BSTR;
. S0 k! i% L5 n requestVariant[0].bstrVal = itemStr;
: B t7 m8 n5 C / K9 U6 e5 X; P
topicStr = SysAllocString((WCHAR *) L"system");
9 Q t. Q0 k$ [9 k! F3 U7 ], @ VariantInit(&requestVariant[1]);
# Q' U) `7 w& I9 ~ requestVariant[1].vt = VT_BSTR;
/ Z; c" ]: F& P! e9 x requestVariant[1].bstrVal = topicStr;
! F1 {* l, M( P) m ' z$ q$ O# q7 f6 T$ [5 z0 x# d
// Set the DISPPARAMS structure that holds the variant. f2 x( E `& _4 W" r f, j
5 [$ v, Z; A9 ]/ x7 K
dp2.rgvarg = requestVariant;
7 \9 j& b) o3 n: h dp2.cArgs = 2;
0 ]; R6 r% I/ _4 k1 T dp2.rgdispidNamedArgs = NULL;1 t6 t$ F+ [+ e9 ?! I1 { C H
dp2.cNamedArgs = 0;( J( k+ p: J1 l6 ~( L+ u
9 Z; R$ Y( J D9 R( A/ z* v# e var.vt = VT_EMPTY;
: Y8 `* y) W, O. p s: F , R0 n; G9 g$ E- z% ~
// Call IDispatch::Invoke()
, l( u) l( c- m% p
/ ]: t, x9 K+ U( }* }/ D3 k8 Y hr = m_pDisp->Invoke(7 V/ O* ~# Q+ b
requestID,
" l t, H0 Z0 b IID_NULL,
0 a0 `% Z- V% E4 q8 P LOCALE_SYSTEM_DEFAULT,
2 ]9 F, }) J: {& y) ? DISPATCH_METHOD,% k) J* R. m: Q1 }" ~
&dp2,
9 b- w; ~# r% r0 u &var,# I% j v; `- o+ }9 h; o
&ei,
4 O* u5 T6 J8 V5 l7 f &uiErr);
- r# _& R% k& K# C
+ u5 V! W- _6 }8 m SysFreeString(topicStr);# {$ z6 N j h# @+ P
SysFreeString(itemStr);- U- F2 R) b9 s/ L) x
请问该程序是获得extend里面的哪个值?
d1 n' c9 C5 b 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????
我来回答