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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:
4 o2 u, B. B: g- MName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
2 D3 n1 v$ ^6 ~9 [& Y IID_NULL, // reserved! v& f6 c: t: e% U* B7 J8 y: z0 p9 w
&Name, // Array of names to get IDs for
4 p- j( H O! ]( t# a1 a' Q- n2 W 1, // # of names in the array
& v+ k* R+ `( }$ H LOCALE_SYSTEM_DEFAULT, // System locale3 u& a5 W* Z7 [6 Y8 `
&pokeID); // Array of IDs to fill on output( \) k2 A' u6 @9 G
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if (hr). ?# g$ b$ ?. Y6 N! r+ ~+ {
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MessageBox ("Get Poke Unsuccessful");
i0 }9 x& w0 K# s" E( J2 U return;
+ T- y$ X1 e6 d/ L E }
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' R! m& e. Y/ L2 j, U/**************************传递数据给extend**************************************/
: I2 V8 y, ]# K, P! S5 v pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);& c" L) [& H% t# m, v& W! O- G
P- |! z- b4 r
valueStr = SysAllocString((WCHAR *) L"1232");
' J& w3 b; ~ T2 U7 E8 ?& U- I1 _2 R VariantInit(&pokeVariant[0]); + K+ H b$ j: Q Y1 K. g
pokeVariant[0].vt = VT_BSTR;
6 n6 V: {' E; Q+ h6 \ pokeVariant[0].bstrVal = valueStr;
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4 A9 t% y1 Y8 q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 n% k+ [% u% j
VariantInit(&pokeVariant[1]); 7 Y, m( O+ i6 T$ y
pokeVariant[1].vt = VT_BSTR;
+ ~( m* ~* [* p& r/ H# `" x2 n pokeVariant[1].bstrVal = itemStr;
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" e" `9 D# S! ^) Q# i3 w topicStr = SysAllocString((WCHAR *) L"system");9 I1 Z( B- k! I; M
VariantInit(&pokeVariant[2]); * `! h' O4 c' S5 i; W
pokeVariant[2].vt = VT_BSTR;; @( n& t: _- v& J- k( f- ?
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
; L+ ]. E9 c% @0 n# e r
; T5 F: m6 K* { dp.rgvarg = pokeVariant;
) M2 g O& t1 G% Y7 l! X' B dp.cArgs = 3; u% p) f/ X& T4 m* Y
dp.rgdispidNamedArgs = NULL;( E3 A& j5 b/ ?9 s1 y7 R. ]* d
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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# I1 \6 [' `, }" `0 t hr = m_pDisp->Invoke(; Q* b- s7 s+ h" C& E& j4 M
pokeID,
& W9 H6 \+ u5 S- C) N7 a IID_NULL, x) D+ R" {! B9 o5 C4 z( i+ r' S
LOCALE_SYSTEM_DEFAULT,
$ w6 N$ J5 d" K$ u DISPATCH_METHOD,) a2 y8 L9 R; z- `
&dp,
, X0 U2 D* u! k3 X% J. a7 z NULL,! m* w) o& \4 ]$ c
&ei,: U; z% o% p! j2 w+ N3 U, N0 S
&uiErr);
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' D! c8 E) K5 t! p% l" O SysFreeString(topicStr);
# v% j, j! Y1 Z7 R; u& j3 g SysFreeString(itemStr);
( G0 n& m: {8 {" O1 y! t SysFreeString(valueStr);
% O2 C4 B0 c. d% X- T" x2 @$ a1 S$ C( k2 s
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???4 U0 p, \+ F, n X. `( V
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????
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& p1 ^+ P: J4 L4 v* q3 S0 n6 ^2 z) [/ }
2.这是request的程序( f0 X* A+ k2 g' f) T5 @
// Request a value from Extend( d) m* R6 u1 o$ [4 ^
//
$ U. O: l9 m1 ~6 n) L// Initialize the variant that will hold the BSTR. Set the variant's* c0 V% z) l5 z' I- L
// type flag to indicate the fact that this variant holds a BSTR. Place the
5 p2 x4 m, u: M9 w# m// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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& q1 L, N# J2 [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 V" F0 j/ S& w1 f VariantInit(&requestVariant[0]);
, k- w, Q$ q, p9 N+ l5 X requestVariant[0].vt = VT_BSTR;
% ]0 b5 S m! }. w" { requestVariant[0].bstrVal = itemStr;0 }1 e4 Q! ^7 x# m$ v: c) O
# I" y/ N5 V+ L/ ^5 v2 l
topicStr = SysAllocString((WCHAR *) L"system");
$ y* _; k$ Q- C+ T2 q# n VariantInit(&requestVariant[1]); , R3 j4 R+ b/ Z Y. @
requestVariant[1].vt = VT_BSTR;; p9 o9 Q' b7 J4 x5 E5 ~, K$ M
requestVariant[1].bstrVal = topicStr;
/ b/ S& T7 S* V, \) H, j
2 n1 l+ \ Y' E- h1 p6 @/ u// Set the DISPPARAMS structure that holds the variant.9 |4 ~9 L N! M: p
0 E k. j( L7 p1 [9 p/ |. g* f dp2.rgvarg = requestVariant;
4 y* X8 p) f3 v @9 s$ N# U dp2.cArgs = 2;
& ?+ t$ M/ o" L9 ^3 F dp2.rgdispidNamedArgs = NULL;% A8 T3 Z& [, P$ \6 C
dp2.cNamedArgs = 0;
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4 |' I0 H7 J7 F+ a9 v var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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5 _ O8 Z8 C. S; ]: J hr = m_pDisp->Invoke(
0 [" l8 Z7 S0 s9 R requestID,
7 p5 L6 Y6 b5 b IID_NULL,
. o: X: Z% g$ Y V6 u. r LOCALE_SYSTEM_DEFAULT,4 s$ Y- j/ U' K G
DISPATCH_METHOD,
4 D4 V' h/ h( | &dp2,
$ e3 G L X2 o, n% ` &var,4 K* ^# X5 z, I
&ei,+ i: p, k5 F: _
&uiErr);
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7 F; s' a# c4 }3 ~+ n. X SysFreeString(topicStr);5 l7 V3 g: n6 \- W c
SysFreeString(itemStr);
* I1 U3 m, J" O# Y$ B请问该程序是获得extend里面的哪个值?
( t, X" t" C7 D$ m0 O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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