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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:
% m6 l9 m" {" iName = (WCHAR *) L"Poke";
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! ]- o6 l. w8 K' Y hr = m_pDisp->GetIDsOfNames (
$ F( ~$ o: i: m. q9 ^ IID_NULL, // reserved. v% W6 O, {. b9 ~
&Name, // Array of names to get IDs for7 E2 b- b- z3 J: K O" L
1, // # of names in the array
/ v& b7 o9 Y, L, R LOCALE_SYSTEM_DEFAULT, // System locale
& s' A) b1 F4 L" N! j- ?5 v &pokeID); // Array of IDs to fill on output
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3 o' U- z; }# [6 k if (hr)2 ~: }2 H* P% L1 X- y g
{
5 i& a& g' X& Y, q! q# d. d0 X( N MessageBox ("Get Poke Unsuccessful");3 ?) _( U! I5 g5 P8 r) R" f
return;8 C( N+ E0 d/ z7 ^, n4 W1 m
}
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/**************************传递数据给extend**************************************/2 M$ q9 }+ n) s+ {1 `% M2 ]
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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0 S6 v3 ~9 W8 I$ X% X valueStr = SysAllocString((WCHAR *) L"1232");
' V) y8 x+ z4 N VariantInit(&pokeVariant[0]); & {9 q. T7 c! V* O0 s: h+ o
pokeVariant[0].vt = VT_BSTR;
8 k+ _' ?/ n/ [+ P+ W; [7 p% E pokeVariant[0].bstrVal = valueStr;# V7 N7 b& C$ ~: {, _+ a% j( \8 _( Y$ R
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' m8 R" A1 C- C: @9 p0 i VariantInit(&pokeVariant[1]);
+ a6 P0 F) X- F* j pokeVariant[1].vt = VT_BSTR;! g$ k1 o* y( @" P0 c6 m9 x* M
pokeVariant[1].bstrVal = itemStr;: X/ C' L y& y& j% W) b4 q1 X
+ m/ r* ?# P9 P. T- r topicStr = SysAllocString((WCHAR *) L"system");
4 o# ]0 ~+ Y" c; E+ {, D VariantInit(&pokeVariant[2]); , V/ o% W9 H6 y+ x, V
pokeVariant[2].vt = VT_BSTR;
* C/ M7 m$ R; L/ x6 ?% }9 m2 i8 P/ a pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
2 \3 s% [; Y' ]% C' d. S9 U dp.cArgs = 3;3 R, C. V7 f8 R+ D& b
dp.rgdispidNamedArgs = NULL;, [0 A! W9 f' t/ _+ A" A
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()5 Y6 }! q. C, Y
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hr = m_pDisp->Invoke(/ }7 \2 x, k" j0 k) w) |1 n
pokeID,8 b" T& P1 U* R' g8 M! x% L4 I& F
IID_NULL,
9 I A$ v+ x. n" Y" | @* E: L! o3 l& E LOCALE_SYSTEM_DEFAULT, e1 H4 _+ p: R y
DISPATCH_METHOD,
+ O, Q T7 [3 L% h8 | &dp,
) _. m7 s `6 a( `8 K7 V( J( m- @ NULL,
# _# X3 H8 `9 a" Q% W% q &ei,- Q! U; X4 }" b3 {, K+ U" h0 i
&uiErr);' N9 F3 `5 f2 j* y/ @" v
- L5 v! d$ y6 C0 ~ SysFreeString(topicStr);
! a) c7 |$ H+ U. X. ?& K0 K SysFreeString(itemStr);. L5 B, P1 E& A/ k. y* m
SysFreeString(valueStr);
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; l4 p$ {- |! Q( t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 \9 J% A# u, X
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????/ |1 J* i9 K1 I! v- n
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2.这是request的程序
- @, H6 I2 H" `% N# _// Request a value from Extend
: u2 ^0 L4 e- M' H/ b; h//" u h. B( @/ N8 i2 x7 A
// Initialize the variant that will hold the BSTR. Set the variant's. r/ c( D k+ t5 u
// type flag to indicate the fact that this variant holds a BSTR. Place the) h* @0 H4 v1 _, K% B* O
// BSTR into the variant structure.
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' j0 A* J, c* [5 Q' Q% a requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);6 j- |% d* H$ k7 ?, |0 X, t
2 }4 q' {7 O7 t5 t9 ]
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");' R* J7 d6 W1 R. ^$ ]
VariantInit(&requestVariant[0]); ) j+ H `% ]9 x: c6 f% ?# \
requestVariant[0].vt = VT_BSTR;) t+ P% z6 a7 M. T' J8 y
requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
0 k W$ q% s p# D VariantInit(&requestVariant[1]);
]/ I6 O6 a* T1 z; f7 \- \) u requestVariant[1].vt = VT_BSTR;' Z) R# ]1 U0 j3 S/ J
requestVariant[1].bstrVal = topicStr;% @' v. v- D$ J: c+ [! }2 Q
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// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;$ C0 W/ ^% i: z& r# M
dp2.cArgs = 2;
D' V. e4 z5 {7 @, v dp2.rgdispidNamedArgs = NULL;
" z' m; }( l5 f. y. g& V, A& Y dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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( I* V& T$ y; i hr = m_pDisp->Invoke(0 X. m& n# I/ P# `3 G- B3 c
requestID,
) T$ t% J/ G5 s' T1 x IID_NULL,
$ h# e. |4 p1 K1 @9 A8 f( l LOCALE_SYSTEM_DEFAULT,
- Z" R6 d$ @9 @ DISPATCH_METHOD,4 h- s5 k- v; M' M* |
&dp2,5 m" a5 z1 N* ^8 d' l; M7 i
&var,
3 W! V; }0 \8 E0 `" N b2 i) M &ei,
; R& n4 \3 Y6 I) R. C# x) B &uiErr);
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/ M; m' H9 y% d* K- V$ b9 \ SysFreeString(topicStr);
# e+ Q7 c5 ~* X$ `# z SysFreeString(itemStr);# B" J0 o7 d6 @+ t2 ?3 j
请问该程序是获得extend里面的哪个值?
) H! N0 D/ b- e" J1 A; w8 R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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