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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:
, b2 J# ~5 D1 B$ iName = (WCHAR *) L"Poke";6 S% d8 A5 } {
+ [; C: @+ K8 \
hr = m_pDisp->GetIDsOfNames (
5 S& H5 ?- q8 q. x3 C IID_NULL, // reserved
/ H( O9 h0 I- Z; r3 Q &Name, // Array of names to get IDs for
$ j$ D6 [& V4 e; A( X 1, // # of names in the array1 \ G+ u# _: b- J( {) T
LOCALE_SYSTEM_DEFAULT, // System locale K4 O& s# n' K* Y/ n; N7 v
&pokeID); // Array of IDs to fill on output
4 s$ q- O5 `. t/ E
6 a, ~8 Z( `, d& B: G- J- _0 E if (hr)
) b+ H, V: Z; W {
$ w1 Q1 y- Q2 R5 ~6 @' `( [. l MessageBox ("Get Poke Unsuccessful");6 i8 @/ F2 N% {6 }
return;. w: z& j. l$ F5 a# P
}
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/**************************传递数据给extend**************************************/
( h, U U+ Z0 Y2 U pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);* }9 J( _1 e9 ?: q, }
4 g0 G! K' q# w2 o) G valueStr = SysAllocString((WCHAR *) L"1232");
" z, q: `) D9 \ VariantInit(&pokeVariant[0]);
' t6 D1 b; D" l% r+ F3 _4 m& K- \- B pokeVariant[0].vt = VT_BSTR;/ {# _ r5 j! @5 C: {: A
pokeVariant[0].bstrVal = valueStr;
: n- h# ^ p. h4 k: P
/ T! H8 z8 q: C R5 [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");. h7 T6 U- s% N& ~
VariantInit(&pokeVariant[1]); 1 v8 t2 ^: A9 S- G( H: K6 G7 g
pokeVariant[1].vt = VT_BSTR;
7 b/ c6 r6 q9 u6 G pokeVariant[1].bstrVal = itemStr;. s2 [# L6 I+ v$ v, Z% W. v. X5 P" Z2 W
1 p/ A0 L2 f3 J
topicStr = SysAllocString((WCHAR *) L"system");) A9 ] B. S6 B! }" }' @9 p( t8 x
VariantInit(&pokeVariant[2]);
* q6 H* T1 X, ~, A! G6 Z! U pokeVariant[2].vt = VT_BSTR;8 Q# e! [# c$ h( }% G6 \. @
pokeVariant[2].bstrVal = topicStr;4 C; C( C3 h* n
6 h l% j/ {( t& _7 k7 b// Set the DISPPARAMS structure that holds the variant.
8 [) n- w' @5 z6 q4 m7 @' g. b$ A, I# P, |1 k, u, k
dp.rgvarg = pokeVariant;; G* p d/ D8 x
dp.cArgs = 3;
5 R0 ~+ R! L+ q+ @( a dp.rgdispidNamedArgs = NULL;9 l1 ~6 V: o! F/ o
dp.cNamedArgs = 0;
( m% j8 G, f x% \! T
$ X D, ]# J$ ~2 S5 [& K/ _// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
, S0 p6 k o, ` pokeID,0 h% F6 T* g6 K4 Z8 O
IID_NULL,3 J' q6 f' y1 y: r) s' c; T% M
LOCALE_SYSTEM_DEFAULT,3 X* X/ F8 E! M5 f! o
DISPATCH_METHOD,
( G/ b* M4 ?, e8 ~: a% C &dp,1 N! Y* `) ]+ H
NULL,- a- ?2 F, O* R( F
&ei,
! J4 h5 n( V8 ^. b4 x" u &uiErr);4 B5 q4 y5 s& w& ?0 Z7 I/ j
$ k* Y% l; T2 {+ F: y3 l s) A- u4 F
SysFreeString(topicStr);' ~& w7 M& }( {4 t
SysFreeString(itemStr);
, ^. Y, @. Y! o6 E& j% | p+ s- ] SysFreeString(valueStr);
- |4 E& \) }- u& ^! r6 P6 b1 x) z& S0 \; X9 I8 a
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 d) e8 F1 f" W9 u( e. R
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????1 f, J0 \+ u) ]# Y
, X- |% z/ X* z0 Z# K
; E% q% ~, y0 q- H% H* Y2.这是request的程序
. R8 g/ {% m8 S# K& x// Request a value from Extend5 Q; T# M% c* `) G) w: |
//% s0 T5 B' v3 W2 K' @# r
// Initialize the variant that will hold the BSTR. Set the variant's
* j) `- {& ]* v8 O3 K! L// type flag to indicate the fact that this variant holds a BSTR. Place the
% z- z$ w) i$ O# k+ q3 [! D- p// BSTR into the variant structure.
' y3 w6 X" r6 i. }5 s! f. B8 }7 n# `5 p) T8 P7 A2 K2 {
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
' q) w1 a1 l2 m! s' G' c! u 3 R3 T! W* B8 ]8 u
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 h/ d1 s9 V5 T VariantInit(&requestVariant[0]); % L, } g7 F, m2 f+ H
requestVariant[0].vt = VT_BSTR;
1 t% i1 o/ w# ]( l requestVariant[0].bstrVal = itemStr;
8 Z1 _/ Q3 Q4 t
; U I+ v8 a. l2 @" R- w topicStr = SysAllocString((WCHAR *) L"system");& P' E5 {5 |9 J0 [4 g8 b3 V
VariantInit(&requestVariant[1]); 2 M0 m9 T; V% l, w" J z/ U
requestVariant[1].vt = VT_BSTR; E- v$ x* @+ r1 C7 b8 W$ l: i- F
requestVariant[1].bstrVal = topicStr;: y% s( p3 g2 n- C V) P% i
# }8 t0 F+ O7 }( U( v// Set the DISPPARAMS structure that holds the variant.+ W! I; j. V& t: O9 `1 ~6 F
5 b0 d. h& Q9 R y2 u/ ]% a* ] dp2.rgvarg = requestVariant;
- x4 u! _/ e. H4 C3 Z/ s" k0 O dp2.cArgs = 2;8 L2 E. p" g3 V. m: Q
dp2.rgdispidNamedArgs = NULL; m7 C6 L! R8 ~1 q$ v
dp2.cNamedArgs = 0;# g- T. @: F* g8 L- O0 u
+ C; U b) q% p2 Y7 z& \2 U var.vt = VT_EMPTY;
! \; A4 ^; [: E* F: U3 G8 g9 u! Q) V: _% V* u i
// Call IDispatch::Invoke()
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$ Q% q! ^9 i& t. M' P1 ~, I" ~ hr = m_pDisp->Invoke(; ^- j% ?) R3 l4 @0 @ C! l4 J: d
requestID,
7 M# c, n0 h& D7 v! V4 O8 t f IID_NULL,
# R/ k' V, `: X8 o0 ^0 D$ g LOCALE_SYSTEM_DEFAULT, I4 q$ L5 z0 q4 K, _7 v6 }2 u
DISPATCH_METHOD,3 r7 Y( a* O& y, J# ]
&dp2,
- D# ^# [( k9 k0 N Z: U &var,; w, ?4 _: m+ I, G* r# d
&ei,% i9 W% d# d% O' F
&uiErr);( t* E7 G$ w( L1 x4 _: B6 U
@, A& p1 ]# |& q
SysFreeString(topicStr);) E- a2 U6 \, x- a# H y& F/ l$ L. f
SysFreeString(itemStr);
' Q( u2 S. K& u- d请问该程序是获得extend里面的哪个值?
- y" h8 p2 v" K2 b2 I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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