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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:0 i+ t+ \- e1 O, R7 W& \8 ^
Name = (WCHAR *) L"Poke";
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5 L& {% J7 P9 `6 H/ |; l; P hr = m_pDisp->GetIDsOfNames (
: k1 b( |+ }6 }& M9 U8 o' A IID_NULL, // reserved
# ?' U0 |, W/ F( G) N &Name, // Array of names to get IDs for! Y* I* w0 H# U' G6 B
1, // # of names in the array
. t( N" _4 ~' R& o/ C5 l LOCALE_SYSTEM_DEFAULT, // System locale& U6 ]" C$ H) @) e0 ~; u. v7 D0 N
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
; W+ l% N+ h. U2 W" V8 W: n return;# U: p! X3 D9 V6 {
}
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* J5 g/ X( R2 ^( q: }/**************************传递数据给extend**************************************/
T0 u3 T5 z, ~: L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. N0 q! s0 |# u% n/ X" H! B! |. b
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valueStr = SysAllocString((WCHAR *) L"1232");- T- h5 c6 }, v$ M5 } V* }
VariantInit(&pokeVariant[0]);
" q0 D1 I1 J! W/ T4 E pokeVariant[0].vt = VT_BSTR;
. B4 |5 g: f. | pokeVariant[0].bstrVal = valueStr;) a+ i% T5 z2 _! ]; F1 P7 f! J5 p* j
) p k/ Z0 `0 ]( h' X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% A# w4 }; V- g- V VariantInit(&pokeVariant[1]); 6 J9 g- ]6 D7 X% V( Z
pokeVariant[1].vt = VT_BSTR;
5 L& C0 q! _ I a0 r pokeVariant[1].bstrVal = itemStr;3 \% c. o _$ j* M# G' r
/ r7 Q, t1 P2 R( l8 e topicStr = SysAllocString((WCHAR *) L"system");
9 K# C# d/ F E- I VariantInit(&pokeVariant[2]); 4 y) b: f% n2 \3 M
pokeVariant[2].vt = VT_BSTR; @0 E3 t9 g/ A4 d
pokeVariant[2].bstrVal = topicStr; o1 h+ S% o8 ?
' M; [& L6 a7 n1 ~) @6 x/ ^: J5 V7 Q// Set the DISPPARAMS structure that holds the variant.( c9 q4 O! E. q' p1 e2 Q. J
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dp.rgvarg = pokeVariant;$ f& v* c# `; Z
dp.cArgs = 3;3 X `; q# ^4 m
dp.rgdispidNamedArgs = NULL;
0 c/ l- x2 [4 R! n, N dp.cNamedArgs = 0;( }% c7 k( T3 o- o8 R: m# M( X
8 v% ^; [! {4 `, B+ j! X$ Y ^3 k// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(' y0 n4 f7 Q5 u6 h" a% m) Q% M
pokeID, l, O F+ A) F, v
IID_NULL,
4 j8 i, Z5 O8 B* x LOCALE_SYSTEM_DEFAULT,
9 }/ D% \7 l' E6 }' J( _. L DISPATCH_METHOD,# h, X4 C* X) C" ^4 ?
&dp,5 i0 N# e( c6 B
NULL,
" u" o7 ~1 n8 A I8 X &ei,
% N5 u, Z: x/ @% Z( O( G &uiErr);
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SysFreeString(topicStr);
- P# B' W( b6 l3 Y+ h" [ SysFreeString(itemStr);
5 |$ c2 q% P4 C2 {6 S8 r SysFreeString(valueStr);) E- m a' R# M" e) z8 s
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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???
( U2 F" d, x9 @/ T( j" f, Z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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2.这是request的程序9 H1 i" p- @. P1 t
// Request a value from Extend
$ z% Q4 U: ]: B- L// I' O% {9 S, g
// Initialize the variant that will hold the BSTR. Set the variant's
( ?$ O8 X: s- E* {1 `1 r// type flag to indicate the fact that this variant holds a BSTR. Place the/ V% W& T0 U3 _$ a! X' f7 M
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, U* |- _" r% ^( K4 M5 m4 P2 _$ F
/ X; D* ?6 h K& q itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
% N# s% e, d8 p# C- E% S& q) b VariantInit(&requestVariant[0]);
; Y3 A+ p% P$ { requestVariant[0].vt = VT_BSTR;$ I) y- n* q) F% k4 T
requestVariant[0].bstrVal = itemStr;" b* q) R6 F) @! n
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topicStr = SysAllocString((WCHAR *) L"system");) j+ m% z e* D( e& a
VariantInit(&requestVariant[1]);
* N; `$ f. i2 ?* A% Z requestVariant[1].vt = VT_BSTR;
) A9 J9 p t1 M( f X5 C: i/ K- g% }# h requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;' j9 l9 X' K2 V) Z2 p+ W
dp2.cArgs = 2;3 j/ A0 w+ q6 P. O& ~: E( B
dp2.rgdispidNamedArgs = NULL;
' O/ S1 J& O5 C dp2.cNamedArgs = 0;0 Y! m* K5 { W* t* M9 `5 Q
8 M! Z# _' }2 ~' l; l var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()+ \+ t& a5 h' O5 [! |
b, p" Y4 [: f' [8 J4 b hr = m_pDisp->Invoke(
8 D! O& h5 v( m requestID,
3 w T: y8 C4 r) D3 y" Z IID_NULL,
% [/ q) Q5 Q0 Q5 W c" C, l- c LOCALE_SYSTEM_DEFAULT,
. ]; k: a* I* r( b DISPATCH_METHOD,% D$ F* j5 I `! b
&dp2,
U7 f, X: J& l8 \4 L &var,6 F7 ~. T/ \# s
&ei,% V/ e/ F% G2 Y) I
&uiErr);6 z+ J5 e7 J) f/ y$ o
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SysFreeString(topicStr);% k3 N$ A/ [1 k; k, D' b- i
SysFreeString(itemStr);
- E/ |4 b0 B: f3 Q' q+ z! f* ? I请问该程序是获得extend里面的哪个值?- x% e2 F: i" b, ^8 `! n4 x1 Q
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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