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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/ B2 _( l' i# \1 V @8 z! |) J
Name = (WCHAR *) L"Poke";
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( s3 \8 O5 f U+ b( q hr = m_pDisp->GetIDsOfNames (( X$ ~ g5 y4 `3 U
IID_NULL, // reserved
1 T7 b, G c; m3 @ }7 ^ &Name, // Array of names to get IDs for
: t& E! |* l" Q& y0 K2 k- { V 1, // # of names in the array
# g C! U% d b# p- D: M LOCALE_SYSTEM_DEFAULT, // System locale* v( a: U6 Z; o0 q l" ~( d8 S
&pokeID); // Array of IDs to fill on output
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if (hr)
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MessageBox ("Get Poke Unsuccessful");
$ i8 c% G: Q% u1 { return;
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( i4 x/ n/ z' C& u( e6 X/ c/**************************传递数据给extend**************************************/
2 }' a1 r' E) z* D( T" w4 x4 F( m. q pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); J# ^# a- T) `1 I, u& B% p
( x5 Z! o! N& [4 l ], b, V9 W valueStr = SysAllocString((WCHAR *) L"1232");
0 C' [4 _" P3 ~ VariantInit(&pokeVariant[0]);
. k- g; w( j5 n! X pokeVariant[0].vt = VT_BSTR;& s b3 f0 C0 e7 B1 ^
pokeVariant[0].bstrVal = valueStr;1 w' d' G7 y. @) u
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");* x& y2 u; y0 b q( N0 `4 T
VariantInit(&pokeVariant[1]); : y3 s# C8 s8 q I
pokeVariant[1].vt = VT_BSTR;
% v0 }9 O6 G: ` pokeVariant[1].bstrVal = itemStr; n( W7 o% Z( ]3 t
9 N4 H2 N9 s2 Q+ J: |4 d topicStr = SysAllocString((WCHAR *) L"system");
3 W$ ]9 a( a5 |: k |8 E6 Q2 I VariantInit(&pokeVariant[2]); , a( i/ I8 D- x2 m( d1 y" M
pokeVariant[2].vt = VT_BSTR;
% e* m( x% X( u! R$ ^) k; { pokeVariant[2].bstrVal = topicStr;& h6 h3 T) } @5 i
3 n! a7 N* r1 D' Y5 `// Set the DISPPARAMS structure that holds the variant.3 d# c7 ?$ \* {" r/ |3 c
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dp.rgvarg = pokeVariant;
. L- i8 _8 V7 r' L- d dp.cArgs = 3;
4 x* G9 @& w o1 ^% B8 h+ B dp.rgdispidNamedArgs = NULL;9 g9 a' X( j% b9 f& Q
dp.cNamedArgs = 0;
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P3 d b. Z2 v7 I9 W, I// Call IDispatch::Invoke()* i1 J9 f+ h+ x0 v' z
3 @) D& I2 V# }9 B hr = m_pDisp->Invoke() ^, j$ ~9 F! y/ a$ Y
pokeID,
) O2 [; \0 T; ~; D/ q4 e! b IID_NULL,
0 C9 N3 H* A, O5 v; ^, x5 R2 y LOCALE_SYSTEM_DEFAULT,; @- V, Z3 a; l% b- u+ Z1 ~( y
DISPATCH_METHOD,& V: j3 C4 f8 N+ |# B6 ~1 V
&dp,
l; e6 J K$ f7 q NULL,2 q* D) F) h+ n* |. L) s1 z
&ei,
7 s% ^# N! y& V; v; T/ d: `* b &uiErr);: ~7 L! b1 u& \4 `1 C/ d
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SysFreeString(topicStr);
9 `+ L2 d7 R0 h3 g SysFreeString(itemStr);
9 d- k$ K3 m8 S: r+ Q SysFreeString(valueStr);
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0 x" w8 v$ L* A 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???/ L' b/ B- C* m+ x% 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????
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3 g9 c3 t" l1 ]5 [: \: _7 j2.这是request的程序
- U! |1 [& O+ B8 q// Request a value from Extend2 s( O! G0 B. x
//
& k6 M o0 N) j4 k4 }6 \// Initialize the variant that will hold the BSTR. Set the variant's
' g& l# |: c: b' Z" @" g1 ?) d+ ?// type flag to indicate the fact that this variant holds a BSTR. Place the/ K; |: e1 L# t f, n
// BSTR into the variant structure.
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: N0 ]! R, Y: h( h1 Q8 e requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ J3 U. t7 Z8 @2 p1 o) M5 h
) y! X$ k# f9 q- Z( L% e itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");7 A5 F U% H: a
VariantInit(&requestVariant[0]);
5 P! t0 R6 r3 W8 W+ m requestVariant[0].vt = VT_BSTR;. K( k0 i }9 m3 Z
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
( s2 d8 ?) w6 L4 [7 w/ ?, R' w7 S: U VariantInit(&requestVariant[1]);
+ v# y) Q! R j( ]) v requestVariant[1].vt = VT_BSTR;+ `+ s/ o$ u& v3 Z- v* s; D7 B
requestVariant[1].bstrVal = topicStr;
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5 l- [, W* q1 v x0 }0 w' q// Set the DISPPARAMS structure that holds the variant.
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6 N" r' @" D) k0 z$ | dp2.rgvarg = requestVariant;
6 L! l6 G% F: o8 t) u4 A dp2.cArgs = 2;3 ?7 h8 H/ E, C7 e9 X( g L9 v5 v; T
dp2.rgdispidNamedArgs = NULL;
# i! D) M/ a' G0 E! ^ dp2.cNamedArgs = 0;1 ?6 J: r" ]- h/ n# L P" L) [
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke(): F% K" H4 e# u7 }! B- d" O
) [6 m1 W' b- @ t* e' G hr = m_pDisp->Invoke(3 t0 w. q) X4 w+ x7 l9 i
requestID,
$ h1 X, J4 W' Z! ]" H. z# J3 o6 J IID_NULL,. w/ Y) S5 h; O& h& Q5 C; ^
LOCALE_SYSTEM_DEFAULT,! F a. n" Y' [. C) F5 V+ { \8 k; e
DISPATCH_METHOD,+ D6 D5 F$ o; N
&dp2,' T& y! A; U6 n
&var,
7 H& {( i! b) x, E- N &ei,
% [$ G& J i2 A' P% V8 q &uiErr);% w8 _; Z, T1 L0 V, K, C' ]
2 S* X! K8 O8 @/ I SysFreeString(topicStr);7 r# G8 C+ `/ q0 s, [1 P5 q8 L% x- ~
SysFreeString(itemStr);
7 m9 k" [. I3 z1 C. d请问该程序是获得extend里面的哪个值?
) K4 u ~1 Y2 n! l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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