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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:
# R A" b+ W% u2 L! p) x7 Y6 \Name = (WCHAR *) L"Poke";, w9 i% g$ ^: S$ ?% X; P5 Y
1 G% R" k) o8 h8 P7 }; f
hr = m_pDisp->GetIDsOfNames (# V, e0 k2 O4 V- s+ @0 L
IID_NULL, // reserved" E ~ ^ d; k2 o( ~7 `! {8 ]
&Name, // Array of names to get IDs for
' V0 f$ K, D: m6 p" x 1, // # of names in the array
& r. u8 ?6 h0 @" H1 q/ | LOCALE_SYSTEM_DEFAULT, // System locale
8 t; o/ U3 g5 Q- c &pokeID); // Array of IDs to fill on output! e6 d- n! i) u. |
% C. q+ g B% L" o! w6 r- @ if (hr)5 S# X6 B! o U, y% K. f+ ?* m
{, v% A. ]0 g$ f4 O! ]5 m
MessageBox ("Get Poke Unsuccessful");, G1 }' l* d! I6 e0 Y
return;
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/**************************传递数据给extend**************************************/
& d$ W) E$ B T$ p0 `$ \ pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
# a5 h- y% ^' r7 N1 \# ~8 u
2 e8 Z& O6 U* e2 }/ t valueStr = SysAllocString((WCHAR *) L"1232");
% q/ B3 g' i, m( N1 s8 N$ C0 I( X VariantInit(&pokeVariant[0]); - @% T3 s9 x! y) V: Z( A
pokeVariant[0].vt = VT_BSTR;0 B' [, J/ D* W) L( t, O( k6 n
pokeVariant[0].bstrVal = valueStr;! Q {2 r# I* Y" {1 ?
; M' ~' e {# c) [: u A& [ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");" @" X/ e+ [/ J8 W, m) I) W
VariantInit(&pokeVariant[1]);
8 r; O# Z( i) O4 z: t$ [' r pokeVariant[1].vt = VT_BSTR;
0 z3 D0 f' q/ Q r pokeVariant[1].bstrVal = itemStr; C- t4 ^! k% a x7 E
% h& l& e: e# M2 ?$ S
topicStr = SysAllocString((WCHAR *) L"system");
( \, r8 s3 Q1 ^! L) A VariantInit(&pokeVariant[2]); + ?2 A: _6 p% e) b" j5 p
pokeVariant[2].vt = VT_BSTR;
8 d- l( w7 ^4 F3 X pokeVariant[2].bstrVal = topicStr;( `5 Z* E0 @, T# W
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// Set the DISPPARAMS structure that holds the variant.
* ?& N0 x' t2 M' I9 S% N
9 c$ Q0 A. E4 i) w' k( p dp.rgvarg = pokeVariant;& `% D+ S, J) w2 s& \1 z* {
dp.cArgs = 3;8 S* Y3 u1 i$ I6 v8 [) Y8 D3 L
dp.rgdispidNamedArgs = NULL;
5 [0 ?; T. R# j& z% _& h- o dp.cNamedArgs = 0;
+ g$ S: r, P6 J T& b+ v. v$ x- r* o4 _5 O6 {8 K- @' w- I- T/ Y9 }
// Call IDispatch::Invoke()1 Q( t0 q. Q! V
0 Y" X+ |8 F$ V hr = m_pDisp->Invoke(; |" c, a9 n4 G! B5 x+ ~
pokeID,6 W2 |$ A% a4 s7 M
IID_NULL, X- x2 J$ k% [4 q' p7 X6 s
LOCALE_SYSTEM_DEFAULT, }0 \1 ^2 F, z4 t5 B$ g) w
DISPATCH_METHOD,
4 q& d6 b7 x6 F% p6 y &dp,) s3 x; Z8 b. u i6 K1 l
NULL,
$ [# i* Y! L* D2 U' T/ K( n" ^' J &ei,
0 B! z+ w$ H8 d% s5 h &uiErr);
% ?; m5 h$ v2 r6 s" d+ }
, r3 u9 s" a3 p! X/ ~ SysFreeString(topicStr);
. i$ P; f8 I: j6 Y6 P SysFreeString(itemStr);
0 ?# N/ S/ f7 J SysFreeString(valueStr);- n% T, d$ v+ I" r) Y1 _
) o9 D8 B4 f. ~: b
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???& i0 I. ?. ]. A8 d9 `3 q' ~
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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3 O; V) @ A5 i0 _' A8 a) D2.这是request的程序! J) i C* y- I+ Y' p2 j. W
// Request a value from Extend- ^& a) G# H$ X1 f) N
//3 P3 k& J+ q4 S8 @( E
// Initialize the variant that will hold the BSTR. Set the variant's$ T+ {5 F# }, u& R0 J1 y5 u+ R
// type flag to indicate the fact that this variant holds a BSTR. Place the+ M; D' t5 a- @0 l" I
// BSTR into the variant structure.
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+ n P" {2 U8 D% \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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9 ?) V; @( }1 T) T+ p itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");9 z6 d: B, w; n8 W' p; s+ z' F
VariantInit(&requestVariant[0]); U* ~ u" q' |: L3 F- w
requestVariant[0].vt = VT_BSTR;
6 B. B6 r$ ]5 l9 K requestVariant[0].bstrVal = itemStr;
A# Z: N; z) D1 F! q4 h; P% U% j; k7 D' ?0 y
topicStr = SysAllocString((WCHAR *) L"system");
5 ?( ~( K$ I& M7 a5 r: \9 c6 ]1 } VariantInit(&requestVariant[1]); # I# j T1 a3 u% X5 K' K" i
requestVariant[1].vt = VT_BSTR;
5 q: ~& _( w! C& y& z: S5 d3 F requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
5 _. I1 s- r" ^- @! V* ]8 y- B; K1 ]; Z7 ]
dp2.rgvarg = requestVariant;0 S6 B0 i# J7 ~! `( B# r
dp2.cArgs = 2;4 ~+ v4 h2 L2 E: b% i
dp2.rgdispidNamedArgs = NULL;! p2 ?! b) C1 A3 M$ ^
dp2.cNamedArgs = 0;9 s2 \) ]9 @+ C$ K' F" \
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var.vt = VT_EMPTY;5 V7 @4 d- R9 i [$ S) n) D5 u
+ B- k/ o1 ~7 b1 F- H% s3 i// Call IDispatch::Invoke()
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6 v$ k5 D4 n" c! D hr = m_pDisp->Invoke(
; e; D2 T' e/ N: x requestID,* R, Q+ Q8 w: H: `4 B& H
IID_NULL,
; s" F; q7 R. B. a) d0 n6 \# i LOCALE_SYSTEM_DEFAULT,
0 i; T. ?- H: Z+ E% a DISPATCH_METHOD,
2 W0 l" ^# |1 x &dp2,
# p1 w3 I" h) d" D &var,& @8 W( D3 m( H& C# r- g
&ei,
4 e2 c& ^: v$ x' p, Q &uiErr);
o+ D# S8 K' C+ H4 @! t/ B( B( r; c" S
SysFreeString(topicStr);
* e& K( z9 S) D0 t* K5 C1 y SysFreeString(itemStr);
2 Q1 \9 S# O8 i" G+ A4 g R5 y请问该程序是获得extend里面的哪个值?
2 R, a9 U( }6 E, ^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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