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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 e! Y& n& ?. S; \5 QName = (WCHAR *) L"Poke";$ W9 S6 S& w+ J0 R C- w4 W6 v
3 _5 [5 M2 z | U8 ^. K; ^/ y hr = m_pDisp->GetIDsOfNames (. I; c% e, y+ k: W
IID_NULL, // reserved' |2 ^. r" E' E1 u
&Name, // Array of names to get IDs for( m7 {4 ^9 j7 b# q2 C) m e) J
1, // # of names in the array
# m, Q- v! ]/ A8 m+ ?* Y c" ?4 R LOCALE_SYSTEM_DEFAULT, // System locale/ `! v) s8 q. o5 u' s- k0 ]6 G
&pokeID); // Array of IDs to fill on output
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if (hr)
; S5 O/ h5 `4 T; a {' r6 R; K- @5 y5 m! K
MessageBox ("Get Poke Unsuccessful");
6 c( j9 Y6 Y8 q. s return;# k& a1 f% L" e2 ~2 U
}
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. c9 T2 C- M8 b* k/**************************传递数据给extend**************************************/- P( b# c7 _/ d! p6 T
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);! x! ^' X, Y: l
4 Q2 d+ k( w$ M- m y
valueStr = SysAllocString((WCHAR *) L"1232");; \) |* {' F# F# k" s; o+ V
VariantInit(&pokeVariant[0]);
& t+ R/ f' g4 v pokeVariant[0].vt = VT_BSTR;
, d' V* U) W; X+ @% u/ [9 z3 R pokeVariant[0].bstrVal = valueStr;7 Y( c, Z K7 o
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
) H/ m( `; `: I VariantInit(&pokeVariant[1]);
4 v! N; h$ z- C1 u# z! }/ } pokeVariant[1].vt = VT_BSTR;
1 H( \! z7 a% w5 m' d+ I pokeVariant[1].bstrVal = itemStr;/ |2 |; S/ o: `" N
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topicStr = SysAllocString((WCHAR *) L"system");
2 |: ~' k9 W; ^3 }0 G VariantInit(&pokeVariant[2]); 5 H) m- C1 z$ s
pokeVariant[2].vt = VT_BSTR;
( B* h5 I; a5 e& v pokeVariant[2].bstrVal = topicStr;. I! L" L4 L; B) e( ?2 _
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// Set the DISPPARAMS structure that holds the variant.* f1 @$ o3 p$ k0 h7 |
$ d- j: [( X; A$ p6 G6 Y* t2 b- Q dp.rgvarg = pokeVariant;! I( t) R6 o* s) @) [' w
dp.cArgs = 3;
7 A' ?6 I- X* j, h0 H dp.rgdispidNamedArgs = NULL;. d$ N5 B2 a' L) O( r0 G
dp.cNamedArgs = 0;
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8 n1 a0 U" \' _& s+ l// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
5 i! C/ X: J1 f, J& x/ X pokeID,
0 F1 V e1 Q6 m* Z. r0 e7 G IID_NULL,
( S. j1 R+ Q' n LOCALE_SYSTEM_DEFAULT,4 m7 t- M9 D2 k2 {% Y. E
DISPATCH_METHOD,
2 ?5 ]& D4 M; M9 y& I7 Q* j. g" [ &dp,
* x7 V" \: x$ p/ R) z3 Z* B3 p; G NULL,
% d r4 b0 y! @$ A+ [% n &ei,2 D( ^2 g; C; @- p
&uiErr);
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SysFreeString(topicStr);
1 j6 r5 w( a" X& @ SysFreeString(itemStr);4 I2 V: d8 q4 W5 X, E2 y
SysFreeString(valueStr);
5 x* m i' S" z7 [5 H4 Z4 G& V' c1 m! s; b6 D1 h. v
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???
! i) _7 b ?8 d* z/ [- z. p7 e$ 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????: r3 V; z* I6 O! ~) Y+ K
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2.这是request的程序! G( O0 F7 A+ Y# L5 d; y
// Request a value from Extend
7 A2 b4 ?% t5 E//
3 E* G) a. r6 o5 \1 S: i/ w2 c// Initialize the variant that will hold the BSTR. Set the variant's
3 i6 H2 L& E9 }+ z$ d1 ^// type flag to indicate the fact that this variant holds a BSTR. Place the* v' V! q7 k1 X9 p
// BSTR into the variant structure.
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2 H; s8 |5 H" d3 y" S, S% G requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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% V. Y. T: R$ J, B2 Z itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 [) j8 C9 ]6 j/ l0 R4 n1 C VariantInit(&requestVariant[0]);
# W' f/ u$ t/ o/ M5 B1 t2 H8 g requestVariant[0].vt = VT_BSTR;5 B' W8 s. ~# T% Z) x7 f
requestVariant[0].bstrVal = itemStr;0 {6 D- j( z7 n) B$ s$ f0 P% ?
" t, a* D) U- J r topicStr = SysAllocString((WCHAR *) L"system");
* e- t- {; u* X @ s7 Z7 [ VariantInit(&requestVariant[1]);
; e9 ^3 e7 @# d4 F requestVariant[1].vt = VT_BSTR;
5 K' Q0 ^1 Q `: S; v n requestVariant[1].bstrVal = topicStr;3 z% a- n: u: M8 }
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// Set the DISPPARAMS structure that holds the variant.: B8 J/ U" b }8 S5 G. m
' t& a1 H( Q- d s3 F dp2.rgvarg = requestVariant;
0 m8 K1 J* n0 _" j e dp2.cArgs = 2;
- P6 H9 b2 c9 M dp2.rgdispidNamedArgs = NULL;3 k4 A( s( F: S# p7 I! h
dp2.cNamedArgs = 0;& n9 Q8 N7 X9 Q/ T! Y1 t3 T& o
6 P. t2 {+ u3 {+ ]7 o: i0 U% Z# U6 ?3 u/ R var.vt = VT_EMPTY;3 |4 L/ W/ q6 a, `. O
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// Call IDispatch::Invoke()
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* c! }8 x+ f2 m6 m" m hr = m_pDisp->Invoke(, ~7 {2 u6 J% t( M0 m1 r0 x
requestID,5 b2 w$ M* S1 F0 ]8 G1 E' _8 v/ W$ t
IID_NULL,
) Q) G) E- w3 A2 e/ j8 ?# H LOCALE_SYSTEM_DEFAULT,
; Q1 q0 R) m, I; l [7 @ DISPATCH_METHOD,
, I; Y. u/ w3 j0 W- P4 F &dp2,
. E4 B, o* ~- H# e K. j& J! G &var,
) I6 P, P; i, Y- f: s0 L &ei,
1 D+ ` x9 Q& V: _9 q- D5 s; x5 P &uiErr);
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, x' F8 o* w" L1 B$ \! a SysFreeString(topicStr);5 j. W) j/ i8 w+ C& z. ^( V( D6 Q
SysFreeString(itemStr);) I* z/ f% D+ y' r* ~5 i
请问该程序是获得extend里面的哪个值?
0 G- i5 b" m& W2 A: d1 {6 t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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