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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:
, ?/ p5 @, J3 Z2 `9 }1 H# {3 L9 @- u+ c: yName = (WCHAR *) L"Poke";
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+ f$ h' I. q1 X0 i: O8 u& W hr = m_pDisp->GetIDsOfNames ( M: h; E9 s+ h
IID_NULL, // reserved
) A2 x- Q$ g% n &Name, // Array of names to get IDs for$ g7 {0 x( j. |0 n& G) N3 X
1, // # of names in the array9 }5 s' D' a v: d: J) C0 Q; C
LOCALE_SYSTEM_DEFAULT, // System locale- \+ L* w6 t2 u& D5 |
&pokeID); // Array of IDs to fill on output P8 R( x. `& _
d( u! H% I7 `; n: O1 @ if (hr)
0 X0 }. |4 U" }: s9 w2 V {
! o# }: a6 C; d' Y MessageBox ("Get Poke Unsuccessful");
2 l! F7 ^+ [8 L" T) J7 _5 O return;
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/**************************传递数据给extend**************************************/8 A7 b7 K& e3 z |
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);6 A: o+ L% N5 v, p0 Z8 c
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valueStr = SysAllocString((WCHAR *) L"1232");
6 b& ^# _' B" |% p VariantInit(&pokeVariant[0]); ' y( m& X7 U' ~& r6 }6 M2 u( _
pokeVariant[0].vt = VT_BSTR;5 [3 P! y' p# ^
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# y4 o! y0 N+ k5 \0 q& o
VariantInit(&pokeVariant[1]);
# M( m4 I) I$ x G pokeVariant[1].vt = VT_BSTR;' K& r" s3 J2 Q1 D( S% Y
pokeVariant[1].bstrVal = itemStr;4 X; n! H, A- }6 {
' h5 S# ]9 E! D: `+ d- y( o# ? topicStr = SysAllocString((WCHAR *) L"system");
. Z. ]& t& @. r" t/ f VariantInit(&pokeVariant[2]);
) e3 X3 {! I. c8 ]" ^5 ? pokeVariant[2].vt = VT_BSTR;8 \2 n$ W0 W7 {
pokeVariant[2].bstrVal = topicStr;
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: q, I5 s* U0 t. f- f' x' i// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
: g+ n4 B4 m+ A) _: p& _; v' ^4 S$ D dp.cArgs = 3;9 U/ R% O* \( @; @- [- T8 {
dp.rgdispidNamedArgs = NULL;
: s( o' Q* R% A8 ` dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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/ n1 _0 [( z7 C+ r) E1 R hr = m_pDisp->Invoke(& J, L5 Y9 Z" w% g. {& W- W$ v) Y
pokeID,, q2 t+ x6 h3 a4 A
IID_NULL,
3 D* Z: k0 Q- ?( T2 ^, L LOCALE_SYSTEM_DEFAULT,1 }9 A3 t* r4 j* s3 E+ @& ?! P
DISPATCH_METHOD,
8 }0 R( E, Z' ~3 Y: s2 c &dp,# W# K* k! e; S) x: t
NULL,
/ p, C& K: k/ b1 v0 N &ei,
6 o7 E- r* M5 X J &uiErr); n( q5 }- m4 f6 W' ]
; r6 [$ e! _6 o+ ` SysFreeString(topicStr);
& D" K: M& S, U6 Z8 K SysFreeString(itemStr);% ^2 `. g9 w" B$ \( C. U% l
SysFreeString(valueStr);
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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???
- P- w! q9 D2 {* 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????2 |9 ^, y7 ?+ g
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2.这是request的程序1 {& A5 x! K+ {5 h
// Request a value from Extend2 t. j) e) T) t# g. c0 W! h
//
& k: e$ R3 {$ D' ?# X9 H% g8 D1 ]// Initialize the variant that will hold the BSTR. Set the variant's/ n- I+ s$ P: i- I8 s1 g
// type flag to indicate the fact that this variant holds a BSTR. Place the" Z/ F0 E1 h+ f8 x
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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( R6 R6 Z, V+ c itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 r' A6 e. Y. T; W4 z ^1 @) C VariantInit(&requestVariant[0]); % z0 R, D! L3 K4 p. `2 x& d( t
requestVariant[0].vt = VT_BSTR;
E8 Z! J% R8 l+ y$ [ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
. D W _6 Y4 V$ L1 ?% z VariantInit(&requestVariant[1]);
" P; E0 K3 H7 m9 N7 H! L# {; t requestVariant[1].vt = VT_BSTR;* g# {4 ~; G5 r E
requestVariant[1].bstrVal = topicStr;
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) O3 t" @; M5 A" V7 l( ~/ N// Set the DISPPARAMS structure that holds the variant.) _" R* i- K$ _' _- S
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dp2.rgvarg = requestVariant;4 W+ \9 l, G7 x+ u# x3 ^
dp2.cArgs = 2;
9 g. B" u. F K" ~ L, p+ V7 P1 j dp2.rgdispidNamedArgs = NULL;
7 f2 i( M8 n$ @3 g' v dp2.cNamedArgs = 0;
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4 C- \& E: r% G% J- B U var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(6 B4 q Y# I& P% U
requestID,
* B5 | ~% u% s) ~4 \/ k8 D IID_NULL,# {& b) }( c* Y: p. {0 v
LOCALE_SYSTEM_DEFAULT,
" A j" G {- d9 g2 \( Q7 v DISPATCH_METHOD,+ Q0 `% |/ ~8 E+ J% C% _# _, f
&dp2,
, b" m. Y( [# w9 n &var,
" H |: ]$ m3 q9 p! }6 ^' k+ ]; M &ei,& x& t- c J0 }
&uiErr);
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/ u) }1 j6 u ?. D1 d( u1 X3 j' l SysFreeString(topicStr);
; }0 E" N1 _: m3 c4 c1 g8 x0 g SysFreeString(itemStr);4 p% w0 Z+ X% o
请问该程序是获得extend里面的哪个值?0 A% `% E; J- ]
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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