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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:
`& l& d1 x+ C$ w/ V6 KName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (. E o6 I, O- i) a( B& k
IID_NULL, // reserved; ]. H% p% h. q8 g0 ]6 q4 A6 v5 U8 W
&Name, // Array of names to get IDs for
( ], e6 G, u1 a3 R& H6 ]1 P 1, // # of names in the array+ q6 [) A3 K6 K+ \0 _
LOCALE_SYSTEM_DEFAULT, // System locale6 L- x; z2 i( @' q3 R3 `0 d
&pokeID); // Array of IDs to fill on output J6 p& G9 ~4 d. p6 M9 ~( |9 K& \
7 }+ Y: x: _/ B, ~, `* @1 K7 K if (hr)% R! [ F; j& T. r3 a$ Z8 U
{" R- X) ~! s6 |3 L- L- C
MessageBox ("Get Poke Unsuccessful");
) n/ ]3 w. N1 V) z8 t2 H return;" q0 _( Z: g) I& m/ {% f
}
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/**************************传递数据给extend**************************************/
1 O8 A: q' D3 x! y pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 r; `0 t+ m' @% A
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valueStr = SysAllocString((WCHAR *) L"1232");
/ S6 H9 ~5 e* k VariantInit(&pokeVariant[0]); ) b% B# S1 o" {) h, f5 b' p
pokeVariant[0].vt = VT_BSTR; f0 L o2 a1 l1 i
pokeVariant[0].bstrVal = valueStr;
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7 {) R. s/ ~( W& j( ] itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
5 L0 v* s0 f9 } VariantInit(&pokeVariant[1]);
! B/ ^: u1 |8 B L$ h8 \4 Z pokeVariant[1].vt = VT_BSTR;
- Y7 I3 `/ |6 J" c pokeVariant[1].bstrVal = itemStr;5 ?$ Y0 @7 p/ K n l6 a
8 m+ y; a; E) X; c Q1 a topicStr = SysAllocString((WCHAR *) L"system");/ @# l3 {& r0 M
VariantInit(&pokeVariant[2]); * w5 k9 C& E, i3 y
pokeVariant[2].vt = VT_BSTR;
# }. Y X, k. Z' ] {2 }3 I8 A pokeVariant[2].bstrVal = topicStr;# S$ P4 ^8 B' d; r! x
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
( N: x- W' p; G% I4 r. E+ b dp.cArgs = 3;
8 H5 x1 |- C9 w+ W dp.rgdispidNamedArgs = NULL;
% s1 f \4 v$ {" \2 W. R O1 [' u dp.cNamedArgs = 0; P. u& a8 E3 d1 E
7 x: Z( N1 i) r( b/ }- r// Call IDispatch::Invoke()( j2 ~5 g: d) I) A
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hr = m_pDisp->Invoke(! d: L/ e2 ^4 k
pokeID,( ~* Z9 J+ b4 U% V1 h0 T6 \
IID_NULL,' y9 Z, E& a" b& B. s
LOCALE_SYSTEM_DEFAULT,
2 W5 |; o5 M* Q, O% A DISPATCH_METHOD,
! Z$ s9 U; W6 v &dp,/ v" n( ]4 ]0 T# u6 Z6 M0 ?
NULL,
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&uiErr);( R( _2 S8 C0 V- c
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SysFreeString(topicStr);
1 d! }# w% f* z, p+ w& J. F8 n SysFreeString(itemStr);# N8 Z* g7 L, U2 f( D1 n" o* f. @
SysFreeString(valueStr);
# _6 }& U! O {% e' L. E
- e: B0 m% `; g2 A0 ?/ L- K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???6 ^2 v6 H% q/ e) W+ K
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????
A: Y& o6 Y S# c1 s8 z
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Z2 L K- s! C! x" `% m3 r2.这是request的程序 U v8 ]8 y0 J
// Request a value from Extend
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// Initialize the variant that will hold the BSTR. Set the variant's
( ?- g+ n( @' g, q( t/ ~$ a// type flag to indicate the fact that this variant holds a BSTR. Place the
7 }. z- I' \- Y// BSTR into the variant structure.
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' U- p- t" J& v$ H, x requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 Z" h' G+ M( p% V/ M
VariantInit(&requestVariant[0]);
' G* V/ A' l4 `! C l requestVariant[0].vt = VT_BSTR;
* X1 H% z! K2 a- [% E" f6 l requestVariant[0].bstrVal = itemStr;3 J- g% \* F# j( N0 ~
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topicStr = SysAllocString((WCHAR *) L"system");
' w/ r+ ?8 [/ n- p VariantInit(&requestVariant[1]);
/ k; T6 r3 r5 D% Y5 P |9 w1 @ requestVariant[1].vt = VT_BSTR;
9 b) n- O, I& X, V7 ?0 W requestVariant[1].bstrVal = topicStr;* B" l- _: A9 E' A8 R9 a* X
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// Set the DISPPARAMS structure that holds the variant.3 M" ?) H5 ~ q4 u$ }. r0 b
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dp2.rgvarg = requestVariant;) g" T; L# M, [! \9 N
dp2.cArgs = 2;% j5 j0 A. D0 z
dp2.rgdispidNamedArgs = NULL;
& S# R( X. I4 @! {, A* I dp2.cNamedArgs = 0;
j: s$ Q* P; z3 }0 [' n4 U- m
+ T" D/ p- q: w7 T0 A" T var.vt = VT_EMPTY;) ?9 n% a' V7 @, i8 {
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// Call IDispatch::Invoke()1 ^4 z8 p0 g3 G t4 I' p5 z; a# p5 g
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hr = m_pDisp->Invoke(
! Q7 X$ ]$ ?7 S requestID, x0 S7 v% e9 Z) L( R" P
IID_NULL, O2 |" _" A1 p# }& g e- c
LOCALE_SYSTEM_DEFAULT,
8 o9 w; S1 g7 {0 t( F DISPATCH_METHOD,
' j$ s0 u/ Z+ C$ K' x) m &dp2,0 i% A9 J2 o [( @3 T+ Y
&var,3 g3 ?+ v6 p5 g5 |; B$ y
&ei,* d" f9 ^9 ]) c: j% X* d# ~. Q
&uiErr);
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* W& B3 C& e3 ^, W. i SysFreeString(topicStr);
/ Q+ r: M% ~. t$ W- X SysFreeString(itemStr);
" r2 v- v4 Q. A% ~( x请问该程序是获得extend里面的哪个值?: ?" b) u) t4 w& p* W) T) c8 _
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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