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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:
: H' Z' f, m) D4 T0 {8 S4 Z7 L6 qName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (2 z+ S; b. F1 J0 i- V
IID_NULL, // reserved
' P$ D. z0 I/ C; B1 x0 d% S" { &Name, // Array of names to get IDs for
' k# E1 I$ h: ` 1, // # of names in the array
! E9 d3 L6 \9 K1 E; W" v: A% n' }' P7 ] LOCALE_SYSTEM_DEFAULT, // System locale: m# ~1 s/ T& A+ S: V
&pokeID); // Array of IDs to fill on output& \7 z! _9 @/ Q6 K& I! }% K8 L) K
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if (hr)8 y6 K, I& y6 P5 u9 N4 A8 ?0 u
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MessageBox ("Get Poke Unsuccessful");2 T% R+ R- K: ]$ O7 b4 y
return;
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6 S2 E/ p( R. q0 T+ G: h$ i/**************************传递数据给extend**************************************/# z% R/ t) R' y/ R
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);0 U# a) v: M' }5 X6 `* |. Y0 P8 a
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valueStr = SysAllocString((WCHAR *) L"1232");" l. K2 A; j7 K) T ?. m
VariantInit(&pokeVariant[0]);
/ j, L$ R0 X8 `5 G3 N; |% U pokeVariant[0].vt = VT_BSTR;
" l2 l, t/ D; _) L pokeVariant[0].bstrVal = valueStr;" o4 O6 }( l, ]& n2 O; k
Q9 z8 t: e) m3 l, u8 r itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
2 v- t9 r! ?( {0 F VariantInit(&pokeVariant[1]); # a) [$ y0 w' D8 ?7 W" v
pokeVariant[1].vt = VT_BSTR;
( y# U0 e" o/ z% @ G2 Q* r/ d8 z; b pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
G V" u* k% n6 ] VariantInit(&pokeVariant[2]); ' i( i# F2 n+ P5 \1 `6 f
pokeVariant[2].vt = VT_BSTR;( V9 G( o# q1 E0 p2 Z) ^8 @
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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) }+ _! ^2 ~( Z4 ` dp.rgvarg = pokeVariant;
0 q# Z2 ?" B4 @% ?/ e. h, | dp.cArgs = 3;
v, o' [7 K7 y" d dp.rgdispidNamedArgs = NULL;: T/ \% g& W3 X4 E
dp.cNamedArgs = 0;
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6 ~1 B) @7 C/ c/ @// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
% O% J" @) L* [! H- M pokeID,1 Y" z! D+ } W6 d; }- f
IID_NULL,/ z } e& H! q3 [ K
LOCALE_SYSTEM_DEFAULT,1 g6 P' z# K! m1 F8 A2 D5 k
DISPATCH_METHOD,
2 ]+ P* _, S8 {* g+ S7 f &dp,
7 m& I# X/ D' |) e! I NULL,
6 q0 ~3 }: r; K5 s+ o6 t &ei,7 {; T: Q2 N0 t
&uiErr);
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, ^$ r. j" G U: U7 Z5 L7 j1 h' { SysFreeString(topicStr);/ F$ U* w) P$ `, z
SysFreeString(itemStr);5 ^- }8 N1 {1 N: }6 X$ f' _1 E
SysFreeString(valueStr);. E5 @7 R# B r/ \/ {# _
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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???0 Q8 A7 e9 m" H0 m/ f& N2 u; h
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
5 p7 Z @7 m, r7 r( M; b// Request a value from Extend
7 n! e8 m. v( F# s/ H! }' v//
# I& ?! m/ v2 H// Initialize the variant that will hold the BSTR. Set the variant's* E& {/ Y+ ^7 z) L8 r2 e# q
// type flag to indicate the fact that this variant holds a BSTR. Place the- u, t! f0 Q9 n7 e7 P
// BSTR into the variant structure.) i7 q4 _( R. w* M- s
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# s) R% [& O0 Y( L5 W* j3 q VariantInit(&requestVariant[0]);
& u9 V0 K( I, d$ l/ c requestVariant[0].vt = VT_BSTR;: j; W- j1 Y# O! X* W- M
requestVariant[0].bstrVal = itemStr;& s; j k1 D1 U* @
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topicStr = SysAllocString((WCHAR *) L"system");
! H0 Z8 D0 |4 }* a8 z# x VariantInit(&requestVariant[1]);
- a/ j4 [* b0 M' B requestVariant[1].vt = VT_BSTR;
" r& [8 t( M5 t( S requestVariant[1].bstrVal = topicStr;
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) \ K, s- h0 C# a4 i" u5 }) s! k7 z// Set the DISPPARAMS structure that holds the variant.' L8 ~) a) K. p1 Y* l
2 {/ q' T( i# C9 L dp2.rgvarg = requestVariant;! C! k: H1 g: o1 Q
dp2.cArgs = 2;* t- E+ U9 k- P0 d5 N9 v6 }
dp2.rgdispidNamedArgs = NULL;0 O! z2 _& E `* ?, _0 ~
dp2.cNamedArgs = 0;$ w' X& _# s; J* g6 Z0 X' D4 ?
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var.vt = VT_EMPTY;( u$ @/ C8 s+ {4 y
0 n4 f$ H4 v u/ B* o; | {// Call IDispatch::Invoke() X$ O6 I- J0 ~
0 {7 N2 H6 X+ h* Q* Z hr = m_pDisp->Invoke(
( q2 U% u8 r5 X( Q requestID,1 _+ S' x) R" u. p1 Y6 g0 v
IID_NULL,
1 L7 e$ c* S8 ^) A" ^( D LOCALE_SYSTEM_DEFAULT,
: ]. u0 G9 N$ \ DISPATCH_METHOD,
: `( `# X% I7 ~: o5 A* x &dp2,
( _, l, m4 { e &var,
: v0 w. N+ g; T) Y; B0 \, Y &ei,
4 R9 b1 g) u' A+ @ &uiErr);
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* l' {9 i( Z5 A4 L# r! L4 n SysFreeString(topicStr);
$ F" o$ o3 @5 x. {/ r9 \- m) y SysFreeString(itemStr);' w' u7 j4 J* Z2 ^
请问该程序是获得extend里面的哪个值?# C$ n& Q i. [9 i: O
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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