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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:2 g9 U9 C' Z% f
Name = (WCHAR *) L"Poke";) I5 f3 V7 d* h: i6 D7 E0 ]1 p
2 \ Y& _$ `( k8 w hr = m_pDisp->GetIDsOfNames (+ ~# k/ `" X( F& R# F4 ~& ^( k6 B
IID_NULL, // reserved- W2 \, B3 W& l8 ^( z4 a& z4 }
&Name, // Array of names to get IDs for& l4 J$ h* ]* i6 u/ s9 e2 u
1, // # of names in the array+ N8 `* Y; I2 F
LOCALE_SYSTEM_DEFAULT, // System locale
0 |5 p [5 S$ X0 ^+ I9 D- g V &pokeID); // Array of IDs to fill on output
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if (hr)
% ^( K6 j7 z Y ^5 L; } {
% }' a2 m' g8 E! W" c+ t$ ?+ n MessageBox ("Get Poke Unsuccessful");
2 x1 o% V8 X3 @" h$ [ G, Q return;
' ~/ R3 }' ?0 R1 |9 r3 F g }
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/ ~% ~! {2 x" Q+ p5 q0 `6 d/**************************传递数据给extend**************************************/
3 F, T* u/ P1 r9 c7 d; r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
$ s4 c, U3 ^! z6 p
( |& a( p5 c% f g& v valueStr = SysAllocString((WCHAR *) L"1232");
7 S" G7 Q3 t3 I7 e, x VariantInit(&pokeVariant[0]); 0 G) `& Z3 x' }5 f# x4 f
pokeVariant[0].vt = VT_BSTR;; J' c$ O. N9 @; ~8 S: i
pokeVariant[0].bstrVal = valueStr;6 b# x4 ^& ^' l3 q+ T( z
1 p2 e9 M) @, \ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");+ F2 ~, Z" K$ s2 Y" E% W% x
VariantInit(&pokeVariant[1]);
8 D" b- {! P/ B' r! |, v$ l pokeVariant[1].vt = VT_BSTR;. f, S2 v* q4 ^' j- V- h. @
pokeVariant[1].bstrVal = itemStr;
@9 d/ p! d8 Q4 ~% w R
8 N7 Q: ]5 |" m topicStr = SysAllocString((WCHAR *) L"system");5 j1 j0 v T2 t Z* u+ G' X- y
VariantInit(&pokeVariant[2]); % Z& G6 ^; o' k4 [& X: n; C
pokeVariant[2].vt = VT_BSTR;4 f4 b+ ?6 ~7 i; W9 X
pokeVariant[2].bstrVal = topicStr;
/ n( z' D0 S0 A5 F7 f
1 G& k0 K( U& L// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;9 g% j9 ?6 W. J9 P' G3 h
dp.cArgs = 3;4 I) r9 |+ n; c% N2 z l
dp.rgdispidNamedArgs = NULL;+ ^/ _1 O. p& g1 ?% k& N( I
dp.cNamedArgs = 0;/ e- ^1 G4 M' K
% z, d& `4 \. }. `1 b
// Call IDispatch::Invoke()
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5 {7 y! U1 u6 C1 }* D7 ~ hr = m_pDisp->Invoke(* _5 o- u/ [' ^+ X6 N7 V' K
pokeID, N* c4 D, t7 V7 }) f3 B
IID_NULL,1 G: h8 p" D. T' B. r0 a7 X0 ]* u
LOCALE_SYSTEM_DEFAULT,
% M1 z, s& X: Z/ r; {8 q DISPATCH_METHOD,
8 E$ R( X' _; C# @4 _: C' \ &dp,. W2 _( ?. }0 f/ u( Z/ T
NULL,% M: u& Y$ d7 n8 y
&ei,
% B3 |& g6 b) }8 x- i) S0 y &uiErr);
" {6 P7 B1 J0 b+ V0 v$ _2 q& o: _5 c3 T$ a8 L( i
SysFreeString(topicStr);1 V! Y1 b& ]1 M
SysFreeString(itemStr);$ |5 z" d2 t8 T4 J" Q
SysFreeString(valueStr);% o+ n. E, r" o- G8 a0 k
# }- n- z4 k( x+ r# N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???; r) k! ^% |% Q p+ ^
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????4 l, g& v# z# D1 H: p, f# N
8 Z7 T' v- y* I8 p$ R# N6 \5 s; s+ z7 P' b& d' h
2.这是request的程序
* O& {! o6 R+ N" ]// Request a value from Extend
4 L4 m X! ?8 p//
, ^$ l, Y/ Y5 Z4 J- j9 U* \// Initialize the variant that will hold the BSTR. Set the variant's, n/ \: ~9 s* U3 D; O& _
// type flag to indicate the fact that this variant holds a BSTR. Place the/ v( y6 J1 N& a' X
// BSTR into the variant structure.
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; G$ S4 h, c0 U) m: @2 y requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
3 ^& e1 ~: S7 V0 ]) E9 j& \
- I) P4 ]1 c5 T itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
8 M' z; G/ \$ n3 r: N1 P% U VariantInit(&requestVariant[0]); 1 G. n2 i6 c3 ?
requestVariant[0].vt = VT_BSTR;
9 q' I% C3 K' D3 M requestVariant[0].bstrVal = itemStr;
8 y( `' E% k8 {* j/ c# A6 o+ I- r" V' H( r2 m1 R
topicStr = SysAllocString((WCHAR *) L"system");& r7 G3 N" l2 x U, g, z8 q# M
VariantInit(&requestVariant[1]);
- U4 R6 _% ]8 \, Q requestVariant[1].vt = VT_BSTR;0 m, m! y3 k6 U' x3 g: E
requestVariant[1].bstrVal = topicStr;, Z$ M, H" _" ~+ b: @' X
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
2 G, C. h# }' P- k dp2.cArgs = 2;
" T0 T7 U& A6 T dp2.rgdispidNamedArgs = NULL;* C3 g* H$ g; b7 b4 P- K
dp2.cNamedArgs = 0;4 N; `) d [# V. i
. ?1 t% ~: } E- x( G/ k var.vt = VT_EMPTY;5 D# x* ]: B* b, L7 I9 j
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// Call IDispatch::Invoke()+ j% r8 z4 n" B: S5 d% v: c
: o# ?! ], O* G( ~( O4 F3 O hr = m_pDisp->Invoke(
( C; s( ^( d6 r9 [ requestID,
' d( ^. X" R1 j; O* ?3 p8 u IID_NULL,0 b4 _# k. ]8 O
LOCALE_SYSTEM_DEFAULT,
) s, R. U; S4 d DISPATCH_METHOD,5 v/ [* ^ d2 h) A& l
&dp2,
3 A) Y- ]# Q" U! X+ `0 e+ m# T &var,
- u- y0 a1 [1 ?9 z K+ M &ei,- @. {9 I: Q4 h0 I5 v
&uiErr);
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SysFreeString(topicStr);
# s; q0 M" A Y1 X# S( }& o( W1 F8 D SysFreeString(itemStr);
- g% S# {4 J) a0 W/ t+ |7 R请问该程序是获得extend里面的哪个值?" A2 h7 |3 L ^: C. s2 h
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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