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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:0 m$ d' R9 o, k' G/ `4 n5 |
Name = (WCHAR *) L"Poke";
# U: j. f* t* K
! E+ y1 x5 Z' h9 {" V- T$ ~" l hr = m_pDisp->GetIDsOfNames (3 F9 H: U" o8 K* v
IID_NULL, // reserved
) m* J5 k2 m+ C+ z &Name, // Array of names to get IDs for: z* E) O# Q2 W. ?5 E
1, // # of names in the array
, ~7 O+ R) V/ m6 Q LOCALE_SYSTEM_DEFAULT, // System locale, @/ m: J6 |" ~3 j. S0 U8 I
&pokeID); // Array of IDs to fill on output
; _# {, j* j8 e2 c3 O0 I 0 h8 S/ m. O2 @; r7 a: v. l
if (hr)
: C4 u6 g: H3 u# {" T* C5 `! y {
# Z7 a$ i/ t( K7 ?% [ MessageBox ("Get Poke Unsuccessful");4 w6 j" d! \# j4 B
return;- O) q: {7 s- Q( t
}+ J; ~) w, t- L( e _' y$ n, T+ q
( X6 e( m7 ~7 q" ]7 q/**************************传递数据给extend**************************************/0 j3 F/ Z: B i. U2 K
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
( X; x: @4 D# {% E$ `3 u5 X
) s4 t, `3 G1 v6 C valueStr = SysAllocString((WCHAR *) L"1232");
1 B+ G& l4 h3 p1 Z VariantInit(&pokeVariant[0]);
: `# P6 ]1 T c" g pokeVariant[0].vt = VT_BSTR;/ {$ r, k! `& y) e y0 i
pokeVariant[0].bstrVal = valueStr;
+ f- Y! o: g3 {7 y. e% q4 C4 j7 _* q% ^" e' ]. X
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 G. K" G# P1 }* C0 N4 b7 ~, k VariantInit(&pokeVariant[1]);
( i' ]9 S0 h7 y* ^' X6 ]6 Y pokeVariant[1].vt = VT_BSTR;% C. p% r% [/ H7 i: Z0 r
pokeVariant[1].bstrVal = itemStr; u5 o3 l; r% n! Y6 m5 X0 x2 j9 y
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topicStr = SysAllocString((WCHAR *) L"system");* l( l3 n& g4 u4 x9 v, {
VariantInit(&pokeVariant[2]);
6 k6 _: J- U' N) S) [' D# g pokeVariant[2].vt = VT_BSTR;
( e1 U; Y+ m: G; O0 F D pokeVariant[2].bstrVal = topicStr;* H: |: P0 P1 W+ j! s; J
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
@4 w- F5 U6 S; {6 w( y dp.cArgs = 3;
0 X" w# D4 D" d" ]! ?3 b dp.rgdispidNamedArgs = NULL;9 }. \5 S1 Z" b$ r9 W
dp.cNamedArgs = 0;
2 d2 c, a) P2 q E, w: w
6 h3 }: T: e6 e* f# a// Call IDispatch::Invoke()0 e* n. w6 {2 C9 T' z
# C! _# o3 B2 J3 l hr = m_pDisp->Invoke(
/ |' ?9 Q# C/ E8 w. v9 H# h pokeID,
. Y. J' h6 q. g0 [9 ~" x+ p, E# z+ P IID_NULL,
/ X4 D2 A. [' W; A, k LOCALE_SYSTEM_DEFAULT,
, q. g3 x7 {9 T6 M) q" o$ X | DISPATCH_METHOD,
, |! ?; l! Q2 g' b5 @ &dp,( p- B) A, R& }. Z
NULL,( ^" N3 L0 ?* C, H3 A
&ei,
3 V2 h/ v. N6 N( D; z% M( t &uiErr);* x: f" D. c( f- z1 L$ Z8 q
" g$ n+ z% t$ ^8 e3 N/ `
SysFreeString(topicStr);
! T# K; |: L4 k: _$ ? SysFreeString(itemStr);' d, j$ q: r% s2 v5 k" N
SysFreeString(valueStr);# i- h9 d! j$ f4 i O7 o! j( Z7 ]- D' x
8 F& }7 U3 V' z, p4 {
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???% _7 F6 n& @0 h1 j* T 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????- S& A% Y, H p2 S0 l! Y6 K9 J2 Q
2 b* _; ]) y) V- Y' l, e# E+ B3 |1 g, n4 {
2.这是request的程序8 R( G, P8 q, @: h6 G
// Request a value from Extend5 \& V; f0 B3 V, }, j/ ~2 w
//
: Q; j1 r+ ]4 N! \. M( ?// Initialize the variant that will hold the BSTR. Set the variant's; H0 @8 ~9 y/ y
// type flag to indicate the fact that this variant holds a BSTR. Place the
# @: S) {8 J. t3 Z9 K// BSTR into the variant structure.
( N! A3 I) [8 ]
3 b: H' C V+ a2 F: ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& a6 [3 t6 P/ k7 G1 t
4 b9 n. o$ C- n. i4 E1 j) f
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
" T6 Z! `% i W1 n+ b VariantInit(&requestVariant[0]);
& i9 m% i* ^: K6 g! f requestVariant[0].vt = VT_BSTR;8 [ d7 Y" c9 ~+ K
requestVariant[0].bstrVal = itemStr;( Q6 i1 J* F5 v( @) f
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topicStr = SysAllocString((WCHAR *) L"system");
/ ?7 ~4 \9 N1 w+ ?* k7 w$ \ VariantInit(&requestVariant[1]);
& f9 C$ z2 @& Z' p: P requestVariant[1].vt = VT_BSTR;+ H: C. o& t2 K5 ?
requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.$ T9 P; Y' z/ M
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dp2.rgvarg = requestVariant;
4 ]4 {: l& @7 l1 e dp2.cArgs = 2;7 T U1 F$ Y9 }9 i, b
dp2.rgdispidNamedArgs = NULL;2 H7 L! N( _' H6 ?6 O L" f; c
dp2.cNamedArgs = 0;* X$ g; K$ s2 k0 ^' |+ M# @% }
b/ y4 ?$ Q5 D+ b6 l var.vt = VT_EMPTY;4 B, {" M' X& G) g( F- Q( g
% g8 H5 S4 w2 `' b5 C! d// Call IDispatch::Invoke()
% _" `* g+ l; \3 {$ ?# H4 M( B
: n( r9 b8 v: u2 e' r7 B6 V' m hr = m_pDisp->Invoke(
1 l* P( m% a a& e$ N; F/ P requestID,
6 |5 Z5 O* { S5 p" V* \ IID_NULL,0 `! m+ K( e% ~) O8 V
LOCALE_SYSTEM_DEFAULT," n2 {( o+ e. S
DISPATCH_METHOD,1 |' X0 p. k: b1 i
&dp2,2 O4 H1 W" Q% w5 i0 o
&var,
7 ]' e1 q4 V& I0 `. ] i &ei, k/ q: _3 b+ K/ g" j o
&uiErr);" M g& q I3 l% r- n
- ^$ b) W) l( L4 _0 p SysFreeString(topicStr);
' l! l- ]+ F7 v+ J: S SysFreeString(itemStr);3 a6 @: Q. t9 |% O) {
请问该程序是获得extend里面的哪个值?; C0 _6 m/ s/ f! V# k) y
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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