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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:* {/ B% w* n3 S% W% ^* e/ r
Name = (WCHAR *) L"Poke";' f3 {- V$ U/ h4 `/ H; e, b" z1 P
& |4 o) y: ^& n: o hr = m_pDisp->GetIDsOfNames (
6 A# S d6 V) j* [$ N+ o! F IID_NULL, // reserved
4 f( ^& X( R: l5 a3 k( S: H &Name, // Array of names to get IDs for' W- v( K A- j; |2 V+ V
1, // # of names in the array
6 X! J& ] v6 L1 O" Z" A8 \8 v LOCALE_SYSTEM_DEFAULT, // System locale
3 f& O* y% B) b* K &pokeID); // Array of IDs to fill on output
* t! Y( n+ Q% ~2 q + W$ L0 b- x. J( a8 A: W7 j
if (hr)
3 m1 q$ h ^! A% s {
+ \! F3 A& I2 p# O# G, p MessageBox ("Get Poke Unsuccessful");
3 I5 u7 R1 _) o return;& s4 c' i+ s4 B
}, y) b- h% \% `& {0 m( C8 Y" G
" S. V" A6 A3 X/ t4 }/**************************传递数据给extend**************************************// K8 P& E# s% F( Y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
7 z% O* q. g& i5 i0 h
( @, [, k3 I# ~+ O valueStr = SysAllocString((WCHAR *) L"1232");+ m% c6 o, g( r
VariantInit(&pokeVariant[0]);
- x, g0 h7 ?) q0 T$ c" D, n! Y pokeVariant[0].vt = VT_BSTR;
+ W1 X" \+ f5 Z5 K p pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' g: i9 S5 Y! P( t+ ~9 H: V VariantInit(&pokeVariant[1]); " W$ b4 z3 W1 t6 K1 m' \1 b
pokeVariant[1].vt = VT_BSTR;3 ?/ e6 i* \( N8 C% e6 d
pokeVariant[1].bstrVal = itemStr;& C; `0 O& X0 a( a: Z3 _
" H: m* `) j# }) o7 }& O# x$ d& L topicStr = SysAllocString((WCHAR *) L"system");+ f! o1 ~' \8 w H# v( f
VariantInit(&pokeVariant[2]); l+ @( e- x0 @! v! [
pokeVariant[2].vt = VT_BSTR;6 u! [0 n+ c% c7 B0 a) B
pokeVariant[2].bstrVal = topicStr;$ k" W0 r1 _ U0 f
+ U# `7 l, v0 m
// Set the DISPPARAMS structure that holds the variant.
# W8 |- U f/ r, K* m/ k
+ P% C; O! C6 y# K8 h dp.rgvarg = pokeVariant;" M: P" k, e# s& M3 }
dp.cArgs = 3;1 d( u( m& H3 I6 E
dp.rgdispidNamedArgs = NULL;
! n) C. c/ G" Y/ f% w dp.cNamedArgs = 0;
2 @4 S7 E6 y( g
V0 A7 ~7 w1 Z" t// Call IDispatch::Invoke()( l" U# s5 I' Z# b+ F2 G
* c4 P( `( N! H0 J( M hr = m_pDisp->Invoke(
2 k4 H* r# X9 T9 j; K$ E# s pokeID,3 r3 b8 G; z6 I1 S; s; T: u" C
IID_NULL,
: c* [1 F9 A/ d {5 m! T LOCALE_SYSTEM_DEFAULT,
# A, `1 a) q5 P" E$ Z DISPATCH_METHOD,
# k6 O+ u) _! h6 O* E$ b# q3 ? &dp,! g5 d7 B3 G6 N8 k2 G- |& C) |
NULL,# a6 `& R- H; a5 D5 u4 t4 ?, h
&ei,
3 U- W0 @' `# ~ &uiErr);
8 a7 x7 L4 k7 m, A+ p( a6 |7 J1 }3 a. r) g
SysFreeString(topicStr);
+ ^1 g6 L0 x5 Q" G( B8 N3 m SysFreeString(itemStr); i4 n e/ c! f. j; N. M" ~0 T
SysFreeString(valueStr);5 M; y3 s+ O3 B7 `" {* ^
" K7 p$ U1 J5 M! q G
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???
3 Q o, @1 ~4 Y3 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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) z& `7 D, Z- w# S$ s2 f9 X) H2.这是request的程序
2 _0 k0 P$ X( N6 V8 `4 _" S3 o' R// Request a value from Extend3 g* f8 C# x2 j
//, U; V6 m% F2 J7 f
// Initialize the variant that will hold the BSTR. Set the variant's
# D. K7 J5 v6 s3 ^, w- I/ c// type flag to indicate the fact that this variant holds a BSTR. Place the
& }" G# ~) s; o// BSTR into the variant structure.! F: o! \# ~( `5 t
" @7 e7 X p, N. I A requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
* Q0 I8 K9 z! p! ]' [7 e
+ y" K& D+ F; L: u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" U* i5 w' J E7 m5 q k. o VariantInit(&requestVariant[0]);
9 x% v' _# |& P0 F+ ?6 R requestVariant[0].vt = VT_BSTR;
1 n7 A$ N& r& ^( j5 h+ n' {9 M0 ] requestVariant[0].bstrVal = itemStr;( p8 C) h$ O, d
1 o3 ^6 D* F7 ^ p topicStr = SysAllocString((WCHAR *) L"system");1 ], u% V) L/ K+ \0 T
VariantInit(&requestVariant[1]); 2 m7 L8 H$ @" P& O6 G
requestVariant[1].vt = VT_BSTR;+ P4 z: N9 B+ p5 [7 d! L
requestVariant[1].bstrVal = topicStr;
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. S, D- E; s7 S0 G& C7 h// Set the DISPPARAMS structure that holds the variant.
3 n- g0 t# j/ x5 t
! B8 [1 I- h2 y, f5 D7 W) o dp2.rgvarg = requestVariant;7 E) v8 ~ C# L+ H3 l! l
dp2.cArgs = 2;- E+ w' H% A0 X
dp2.rgdispidNamedArgs = NULL;/ w9 B0 U% ?7 ~3 E5 }; U
dp2.cNamedArgs = 0;/ c- Z6 I; a3 }) z; p9 m
/ }0 u. k* y0 D) d+ ~ A& d var.vt = VT_EMPTY;
$ D6 p$ L; M! n& h4 r
( {; l* n. J( b6 E// Call IDispatch::Invoke()
$ L1 T, M% ^) R8 G5 f; P
$ ?; I0 G; ]: z* b$ w* R& r+ T hr = m_pDisp->Invoke(3 G- u% [' m- K6 T0 E9 X
requestID,) l& V: ^/ G/ m4 C* M. U' I
IID_NULL,6 @$ `' j# p5 N
LOCALE_SYSTEM_DEFAULT,* T G9 o- l: J: K
DISPATCH_METHOD," g7 H5 l* \" L& U8 u
&dp2,
Y) T, L H5 e5 m! I &var,7 x+ h2 J8 n5 R5 c- p8 H! u* O2 B
&ei,3 b1 T J1 j. \0 n
&uiErr);. }- Z5 r/ }2 e! u& c( W/ q
6 c! @3 N1 q3 F/ Y1 c( { SysFreeString(topicStr);
" f# R+ m8 Z1 \: o) I a+ j SysFreeString(itemStr);
! a- ^# M- L+ y8 G请问该程序是获得extend里面的哪个值?! B. W$ m! {' x& s% q( O1 d, X
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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