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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:
7 j9 }" w4 }1 v8 @8 N7 {& [Name = (WCHAR *) L"Poke";5 O. z0 V7 N! N, Z
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hr = m_pDisp->GetIDsOfNames (8 o. U" p! t' ?9 i+ D' P
IID_NULL, // reserved9 P: x# s# m/ y8 K# a {3 \+ w. v
&Name, // Array of names to get IDs for
# b& m2 M4 O3 m6 x" S; L! I 1, // # of names in the array
& f( i* G2 q: Q% k LOCALE_SYSTEM_DEFAULT, // System locale
+ }9 Z$ v) m9 X" i- x2 f &pokeID); // Array of IDs to fill on output
4 f& A* O, u( J
6 y5 N! H5 R* [/ e1 w1 L if (hr)
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MessageBox ("Get Poke Unsuccessful");
+ t- Y9 O6 F; K7 X. h2 N return;. o F1 a! w* S' I- z$ |. K
}
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/**************************传递数据给extend**************************************/8 [' `+ E& F5 S" c0 }; U& C
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);( S2 v# C* u2 r
' H7 X1 d3 v# D1 l
valueStr = SysAllocString((WCHAR *) L"1232");4 a B$ A3 g! Y( D- a
VariantInit(&pokeVariant[0]);
+ S9 s+ J5 ^4 l pokeVariant[0].vt = VT_BSTR;9 k* Q0 v6 z% T" L2 A' z
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: \/ ^ E+ b( n
VariantInit(&pokeVariant[1]);
0 i( m$ I( a5 C# C5 y( I: ` pokeVariant[1].vt = VT_BSTR;
1 ]/ _& W: j1 B7 t* M. w$ M pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");- ~& ~* Y- n d. Q4 M- @+ F
VariantInit(&pokeVariant[2]);
& D" X, z+ m6 u) e5 A pokeVariant[2].vt = VT_BSTR;
, t: \/ T* Z# U- Z% F pokeVariant[2].bstrVal = topicStr;
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" g2 \4 w' F, O2 U// Set the DISPPARAMS structure that holds the variant.
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6 c2 t6 u( w+ n* [ dp.rgvarg = pokeVariant;
! I# L* Y6 A9 w( A9 [( v dp.cArgs = 3;! a4 g) v( A* A" J: M7 l
dp.rgdispidNamedArgs = NULL;/ v! O; s. ~0 {+ w( S# h
dp.cNamedArgs = 0;) T5 U) z. }7 h
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// Call IDispatch::Invoke()5 w( |6 V. W4 S7 u8 P
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hr = m_pDisp->Invoke(
/ @( C9 \. w, f+ N+ q4 Y4 l pokeID,
8 U: D1 R3 K. L) v IID_NULL,
! K& u! I9 c, ]9 u @ LOCALE_SYSTEM_DEFAULT,
" ~) I/ v/ \" i2 A1 x DISPATCH_METHOD,
7 B, t! @1 X# e4 [ &dp,
' J& S6 J2 e% Z# ?1 a4 s" m1 `: u NULL,3 N& H6 f, U, S6 c5 y: b
&ei,. M$ r& y$ L# R; O: l
&uiErr);
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SysFreeString(topicStr);% T0 m6 P0 n# m/ U
SysFreeString(itemStr);
9 L# a" Z8 g+ P+ X `: E' ~3 f SysFreeString(valueStr);3 d( ~5 ]- u: M5 M/ a9 A) @! m( B
+ l" R( E$ B# \0 o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???- P) y+ g/ y) ^- k/ S8 u
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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2.这是request的程序9 R/ I$ w( I; N
// Request a value from Extend9 Y: G6 x8 m( w& ~
//
& J% U: v- |6 q, l+ B- T// Initialize the variant that will hold the BSTR. Set the variant's" P4 k, J- S5 F
// type flag to indicate the fact that this variant holds a BSTR. Place the
4 Y8 x) Z4 N8 o# d4 }6 e// BSTR into the variant structure.
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1 I. ]% d( r3 q- f0 X requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# K5 |( `5 w7 x e VariantInit(&requestVariant[0]); * o- B% w% P; f) w1 u" O
requestVariant[0].vt = VT_BSTR;# Z( C" Z3 Q. |
requestVariant[0].bstrVal = itemStr;+ L/ U- [3 ^0 [+ A3 ]
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topicStr = SysAllocString((WCHAR *) L"system");0 D9 a5 U, y4 e7 ^# B$ V7 F" ?
VariantInit(&requestVariant[1]);
7 u& \1 A4 m3 \+ i+ B" o7 x" K3 N requestVariant[1].vt = VT_BSTR;7 z2 o O. C* x% R+ j1 m; b
requestVariant[1].bstrVal = topicStr;% e( |' b3 M/ B# q! ]- c2 y0 n* b
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// Set the DISPPARAMS structure that holds the variant.3 _6 h* h( }% Z, P
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dp2.rgvarg = requestVariant;
5 G( M+ T+ R2 T/ I6 `1 e dp2.cArgs = 2;
* C; ^( ?" Y: F: `7 p dp2.rgdispidNamedArgs = NULL;
, ~ M, u+ {) @$ h dp2.cNamedArgs = 0;( K+ ]0 V5 _8 H& h8 O7 X
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var.vt = VT_EMPTY;3 s5 t8 t7 T8 Z
# ~) t& w! u+ V; x) G
// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
: x) }) O, s# p) w9 r/ K, k% ?1 r requestID,5 b, E, T! B" v' y2 {5 i
IID_NULL,
# D' B! l- U, A LOCALE_SYSTEM_DEFAULT,
/ H5 g! @# L7 D4 B DISPATCH_METHOD,) C* t$ L6 C1 V- [. i0 }. {. m7 r3 b
&dp2,
2 \/ J8 B( Y5 C, ] &var,
) M) M/ V5 F/ `% V* X' p &ei,6 U$ D6 S5 I/ T7 E
&uiErr);
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SysFreeString(topicStr);
) M6 `! i# P1 I \ SysFreeString(itemStr);0 D9 D/ I( j5 Q* l. n
请问该程序是获得extend里面的哪个值?
2 g2 X* h7 h4 _. F7 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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