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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:5 c7 w8 S$ A% V3 ]& N0 k* v
Name = (WCHAR *) L"Poke";0 d2 J. f# D4 R; p) U8 H9 p! X& I
9 B Q/ I' P/ A& Y$ c- {
hr = m_pDisp->GetIDsOfNames (
. p9 q5 n- N, }( `& N IID_NULL, // reserved
# p" X7 G& c6 E" X' `7 N &Name, // Array of names to get IDs for
- d8 ^. K0 w9 H& @! s2 `5 K* V+ W 1, // # of names in the array
- o- v4 n8 Y7 I4 I9 _ LOCALE_SYSTEM_DEFAULT, // System locale0 P0 q+ Q' y8 ^# P0 B
&pokeID); // Array of IDs to fill on output7 n% Z$ a+ Q" b8 ?9 v
0 m9 l8 _& O o* S( r' k; f if (hr)- u7 v% l6 v& r7 `. r5 ?
{
2 a& O( t2 W+ \8 {+ I MessageBox ("Get Poke Unsuccessful");) O& \) G8 f: Y
return;
% U% B5 @# i: k1 C" l# ~+ s }
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/**************************传递数据给extend**************************************/
; {/ i3 w" _& l$ n- E pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);# `2 `+ E2 u* F
4 F/ v4 a2 ~& n7 u. F1 x* t) Z
valueStr = SysAllocString((WCHAR *) L"1232");
! z$ J* U o+ O, y3 N6 i VariantInit(&pokeVariant[0]); y) B _5 e E' R; S5 ]8 I
pokeVariant[0].vt = VT_BSTR;- D4 v$ h& m6 s
pokeVariant[0].bstrVal = valueStr;& g. Z- a$ Q8 U
/ u F" m8 A. ]9 ]
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# k0 }) A1 J6 k/ [8 }/ k5 C; B VariantInit(&pokeVariant[1]); + d' {1 a2 v) C4 g
pokeVariant[1].vt = VT_BSTR;) _9 }$ v g8 g! L* J
pokeVariant[1].bstrVal = itemStr;
, V. \3 v0 Q- ^1 [! m) Z9 q
7 z% N6 D5 Y1 b% \, F( J+ l topicStr = SysAllocString((WCHAR *) L"system");3 b$ B7 t$ V* p
VariantInit(&pokeVariant[2]); Q5 V. E0 q7 b4 V+ ~6 E
pokeVariant[2].vt = VT_BSTR;
" }6 r, o$ ^4 I# W: q( k pokeVariant[2].bstrVal = topicStr;. n2 G/ k9 W+ L) h
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;9 |5 {+ C# R* l7 m/ P! }
dp.cArgs = 3;
% W/ P1 [/ ~( h2 } dp.rgdispidNamedArgs = NULL;" s A' Q# E" @, z: x' C5 _; q
dp.cNamedArgs = 0;6 g9 f1 K# ]( X
3 N6 [& I8 f5 r' D3 t# ^// Call IDispatch::Invoke()6 l' \% O8 l$ g" J$ B
4 U) q1 b' p& i% h: S hr = m_pDisp->Invoke(
1 j2 t% k: c: C; i; r pokeID,
P3 ?) h: H! A: } IID_NULL,
! v0 n6 N/ V2 o o LOCALE_SYSTEM_DEFAULT,! @2 k- n2 g9 t6 ~# }' ^. B$ `, T1 Z; T
DISPATCH_METHOD,
# q3 _" a4 `- m( A5 ]9 o4 b &dp,2 G; A' s3 M+ q9 }
NULL,8 F: b- [$ k5 C1 N/ ~8 I. L" W) @
&ei,: D& i* A3 D. }3 @: Y9 @7 ~1 u
&uiErr);
* ^( h5 k8 @1 D& m. y _# K0 v" I1 B. P, ]$ |# \. Z* U5 F
SysFreeString(topicStr);) G6 I5 Y6 ~ G$ k
SysFreeString(itemStr);
6 Z; t# H( \9 D6 @$ Z$ R SysFreeString(valueStr);
! q7 _ V$ G% e& O1 s% k& q% s6 y* S N# A9 C/ u% _# N; {; z
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???
" q# R; q! i: I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????
. u" S: X6 R# _9 @7 C3 O+ e
4 I6 H$ A. f& A7 ~/ `7 P8 ^/ G0 G7 b( \
2.这是request的程序. V' `6 u) j& h
// Request a value from Extend$ ?1 ?' h3 c5 @2 X' A/ J9 F
//; c# N2 p s; |$ W1 f, q$ N
// Initialize the variant that will hold the BSTR. Set the variant's- n6 n& h# |# }4 u8 W# K2 {& [) A' y
// type flag to indicate the fact that this variant holds a BSTR. Place the
' E3 k% e+ [, ~6 k% B& H+ E G// BSTR into the variant structure.$ J- d1 O8 K" d. j
& v5 Q+ W v3 _ y1 ` requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);& z" i2 c+ M) L" E( ]6 f
/ Y. c% ]9 s4 v3 S* I itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% s# G, G" ?1 w7 b7 c- f, N VariantInit(&requestVariant[0]); 3 V2 w! b. H/ ?5 u7 `( v' o& i* ^
requestVariant[0].vt = VT_BSTR;* A, P1 m4 I( W8 b ~! A2 y
requestVariant[0].bstrVal = itemStr;
$ C7 f, s& N" N7 n9 R6 L( N
! X5 }7 X. k( O2 L topicStr = SysAllocString((WCHAR *) L"system"); m1 |' Q5 v- x( J7 C" V6 [, Y
VariantInit(&requestVariant[1]);
: d3 N, a5 m) m requestVariant[1].vt = VT_BSTR;* Z" c5 c7 V6 S1 y8 m
requestVariant[1].bstrVal = topicStr;" f5 {& K5 A; D# H/ _
& w* I" y9 t( M8 O! W
// Set the DISPPARAMS structure that holds the variant.) N% G- i# l+ H& e
) [) o5 ?/ d5 q: p% c& J# j6 P dp2.rgvarg = requestVariant;& `/ j" Y' |6 |
dp2.cArgs = 2;
8 w- Y5 t7 x5 k+ H. [! z% ] dp2.rgdispidNamedArgs = NULL;
' W: I6 T+ G" e5 l dp2.cNamedArgs = 0;
, a w) {; Z$ } ]; V4 k' |: Z
2 P' `! @! o9 Q var.vt = VT_EMPTY;
& p& G1 y! T6 }( X% Q) x) N6 o; E# \8 ?2 X
// Call IDispatch::Invoke(). H: X. i# N& ]
. j: Y7 F \7 y% e hr = m_pDisp->Invoke(
" H6 `# X3 r9 Q/ v0 L: K$ v requestID,5 a6 _8 l# L0 l6 v$ i, C
IID_NULL," M- L7 ~1 i& _* |4 c) \
LOCALE_SYSTEM_DEFAULT,
) M( ?& O: `- u2 B% U) e! ~) \ k DISPATCH_METHOD,- Z o, o/ X3 K, G' S6 N
&dp2,
7 Q, j9 l& j% _; g2 J( b$ [ &var,: d! G7 _% D. m# R
&ei,0 ^+ t* A+ K: U* B1 ~3 [1 t- t$ D- \
&uiErr); @3 i# Z6 k9 o0 D8 k0 i
$ g6 V* j( u0 P: ` j7 x4 X SysFreeString(topicStr);
; f% u. v* N" Y% g SysFreeString(itemStr);2 m/ v, S& o* [6 T/ O
请问该程序是获得extend里面的哪个值?
$ c$ [6 ?8 k7 F: y" A: Q4 ]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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