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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:
# C* f8 i, P3 Z2 E* FName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (' g3 z; X- Q% ^% s! J. h
IID_NULL, // reserved" _& J- X& n) B7 K5 E" L
&Name, // Array of names to get IDs for
2 s9 D/ M4 W9 R! A 1, // # of names in the array/ s. l3 Q& z/ E$ B
LOCALE_SYSTEM_DEFAULT, // System locale7 S: S' n# p7 Y5 i4 v- u
&pokeID); // Array of IDs to fill on output
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if (hr)2 m) D2 }. H! Y+ ^
{3 X' Q- l+ ?$ i
MessageBox ("Get Poke Unsuccessful");
) W8 @, _" o- ?# U! X# N return;
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/**************************传递数据给extend**************************************/. N, J6 }/ z0 X M/ d# y
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( N, i* A0 k6 d9 R" x9 T$ p! l
# H# y% Q4 y8 `( M, ?+ {" |
valueStr = SysAllocString((WCHAR *) L"1232");, `+ J5 n) a; n! I7 w/ L: g( t
VariantInit(&pokeVariant[0]);
; k/ H' ^2 r' V" E& | pokeVariant[0].vt = VT_BSTR;
- [# L7 `0 ?; o8 R& `1 \ pokeVariant[0].bstrVal = valueStr;
5 }3 [ m' p+ |( c; d% Z. d) p7 B0 t# S& V8 {" m
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' n1 U9 T/ F- m7 |2 C) N VariantInit(&pokeVariant[1]);
h; h* f0 M* p% g+ I pokeVariant[1].vt = VT_BSTR;/ g$ G0 f; S: `$ q/ K5 M
pokeVariant[1].bstrVal = itemStr;0 \/ T/ D# y" P6 x3 h' p
: h3 i* Y: _8 P$ C( g) z U topicStr = SysAllocString((WCHAR *) L"system");
: }& y2 |7 Z; a# f; \ k VariantInit(&pokeVariant[2]); % U" n; f( m8 S# N3 M6 u" d% V
pokeVariant[2].vt = VT_BSTR;
) ^: X4 Z4 g, O$ B pokeVariant[2].bstrVal = topicStr;
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& B5 H3 K' b% b6 [// Set the DISPPARAMS structure that holds the variant.
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) o: }- u% t* M% d* N: {0 V, v dp.rgvarg = pokeVariant;. t! K$ r2 b+ R: U
dp.cArgs = 3;
$ U2 w3 \' i4 G8 [ dp.rgdispidNamedArgs = NULL;; Y# i6 B0 b+ y1 A. m/ C, C0 ~
dp.cNamedArgs = 0;
% I9 @1 Q$ s- s* H6 x' _9 }& G/ e( _, K$ C% q) Q
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(5 Y" E) l# P6 u7 }- R d0 G# D) V
pokeID,# a8 e: y8 A+ l/ S6 A \
IID_NULL,
) m$ X$ k" f! H: p6 Y LOCALE_SYSTEM_DEFAULT,
3 k7 {5 d5 f3 a$ l! p DISPATCH_METHOD,; B5 M& s% v O7 F" V5 w% a
&dp,$ V+ e. h& g$ b
NULL,1 j0 |& g( o$ Y8 n* I4 q- z
&ei,
) N+ ~8 C- ]. j8 A &uiErr);" j5 ?5 r* ]0 C/ z- D X
! v4 |% H: B2 n; B SysFreeString(topicStr);
, m1 S9 S( g, w T+ s: n SysFreeString(itemStr);
. s1 n1 H+ `9 j, T2 G8 ? SysFreeString(valueStr);
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0 W" \& I! @2 |3 ~" p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???& _' n1 C5 T% j, \: r- n/ L% q
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????
# m+ h: Y& |& [) W* I$ g
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2.这是request的程序+ I. E$ s" c5 Q9 N) m( [
// Request a value from Extend
' W8 Y0 Z: m* g5 d9 t//
2 L2 t, }5 w* T, g: Q( g. w7 ?# N7 y// Initialize the variant that will hold the BSTR. Set the variant's
. p p/ T Y0 W( l// type flag to indicate the fact that this variant holds a BSTR. Place the
4 y, Z' L- Q! B( e// BSTR into the variant structure.
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9 ~! T8 t A) v7 J, Z, z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 E: Y3 X1 ^# i# P
VariantInit(&requestVariant[0]); * @7 C! y7 R8 E* H" n& h6 \
requestVariant[0].vt = VT_BSTR;% h0 `) E w6 T
requestVariant[0].bstrVal = itemStr;+ k2 c5 w$ Q. s) [1 O4 {9 W' y3 h
# w/ U" B! X! K# ]% _5 L
topicStr = SysAllocString((WCHAR *) L"system");" y7 `; a$ ]/ w( _7 g% _% a+ V
VariantInit(&requestVariant[1]);
9 T% F9 g) F8 P" r& v3 T) k% } requestVariant[1].vt = VT_BSTR;9 v. W) W8 @$ h2 R
requestVariant[1].bstrVal = topicStr;1 A; j! o$ M2 d+ p% g9 B$ w
( i9 [! H2 E5 H: T// Set the DISPPARAMS structure that holds the variant.
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, S+ i" x) J- g dp2.rgvarg = requestVariant;) S9 C8 q ]$ K% Q) F
dp2.cArgs = 2;
4 h/ V; B7 V. y4 B& M5 X9 z dp2.rgdispidNamedArgs = NULL;
# N' U' c) M( a& i dp2.cNamedArgs = 0;7 ^- C$ y% _( ]) C* F# r
% W5 }" J9 V; U8 ^7 V: t var.vt = VT_EMPTY;4 { c6 L- f; n8 [. E: \ |
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// Call IDispatch::Invoke() C! C6 W1 e i$ f
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hr = m_pDisp->Invoke(6 x, C) {: w7 k5 z: I
requestID,* {: c/ E6 C6 i2 l1 ?0 N2 E
IID_NULL,, W! u- R& q0 w1 o
LOCALE_SYSTEM_DEFAULT,
9 m2 o" \. u( O2 v9 r DISPATCH_METHOD," K/ z- C f9 b8 ] z! B
&dp2,
" m* s/ [" }$ q& Q &var,
: n# f, n* V% p, s4 T &ei,
7 k' W6 K% q. L k2 t4 \% a &uiErr);
+ W Z( {3 Z; {' e5 V3 W. q! u9 k0 M" S1 L8 ~" E$ L
SysFreeString(topicStr);$ K9 A" U" L1 l. Y! n# k
SysFreeString(itemStr);% I, ^$ q3 |$ s6 {
请问该程序是获得extend里面的哪个值?5 v3 @4 P) H) e
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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