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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:8 N! D, r( Q7 a0 E1 t8 d/ H
Name = (WCHAR *) L"Poke";7 v0 ]; f; Z1 n* m+ o
- ~3 o+ G- ^( O- s3 @ hr = m_pDisp->GetIDsOfNames ($ \; e1 k+ D- j' s3 Z
IID_NULL, // reserved
+ u2 z' l/ a0 E' H &Name, // Array of names to get IDs for8 a9 [; h% }9 t6 E. y
1, // # of names in the array
3 J4 Z" j- X& Q/ K" V LOCALE_SYSTEM_DEFAULT, // System locale
7 k" n# x$ T1 A( `0 C &pokeID); // Array of IDs to fill on output
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8 K, W r, d$ } if (hr)
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MessageBox ("Get Poke Unsuccessful");
% v8 C# Y0 N# _, ~- {9 s return;' W5 @+ e) F1 r
}
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/**************************传递数据给extend**************************************/* [6 a. V. i/ A4 t, N8 {+ R
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 ^2 H" @! k" x8 V( L* Y! v! J
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valueStr = SysAllocString((WCHAR *) L"1232");3 A3 ?' s. S5 Z# I2 i% d4 h
VariantInit(&pokeVariant[0]); ) R) g( Q: ~* b2 T& o. ?( G
pokeVariant[0].vt = VT_BSTR;; e7 y0 Y, U0 T4 ^* I8 {
pokeVariant[0].bstrVal = valueStr;3 Y& [% W: u9 E ]9 d
6 i: H* f: P8 R$ j: g3 _* I! i itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");2 K3 w% y" W C* l) `
VariantInit(&pokeVariant[1]); 6 W8 R [$ ?% H$ H. j# u; s" W; f0 G
pokeVariant[1].vt = VT_BSTR;! c& k0 W7 t" J, j, ~& Q4 u
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");! n* U* G) ~. U( Q/ m8 \% d
VariantInit(&pokeVariant[2]);
# o* ] [$ k% k pokeVariant[2].vt = VT_BSTR;, |" ]. w8 p& W
pokeVariant[2].bstrVal = topicStr;. U8 m( p) y# ?0 B$ b1 Q$ a3 F, L
+ _, `# t: u+ @" u) ~// Set the DISPPARAMS structure that holds the variant.
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# P0 y! o: ~' J dp.rgvarg = pokeVariant;. b6 f; X0 ]" y( s) \
dp.cArgs = 3;
0 l3 j. i" S! |8 l1 @ dp.rgdispidNamedArgs = NULL;
}3 B2 }- G; W, v" e8 W9 Z dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(. j0 u O4 w8 H% o5 N* j
pokeID,9 e o! _% j" r- V, h) i9 W, N% T8 n
IID_NULL,
3 C$ ] L( |5 k: p8 q/ p e0 E LOCALE_SYSTEM_DEFAULT,
~" ^6 ^ _4 t& @6 U* m DISPATCH_METHOD,
' ~/ V: M; C0 U2 Y8 j &dp,- H. [9 b( U; y: D( ]8 m% Y- }9 ~0 m
NULL,7 M, P3 c) q8 Z) T- `# `7 M
&ei,! x, ^# [# T% {: |8 W4 G+ g) T( _
&uiErr);6 q/ Y5 c2 v; }. C, w( H3 q; ~
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SysFreeString(topicStr);/ J" J9 J" e0 A, t
SysFreeString(itemStr);3 a0 l3 |7 a" k# L3 T! k0 `
SysFreeString(valueStr);
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0 H6 e# f2 u; k1 Z9 ?: P) _( Y0 _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???6 a3 W0 t5 O" ~1 `8 c' P2 g
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 C" n( Y& M& M, j8 e// Request a value from Extend+ Y9 @4 C! a1 W* s* v* Q1 g
//
+ X; f8 B- W# _/ F// Initialize the variant that will hold the BSTR. Set the variant's
& U: j( ^# H# i+ Y; ?/ M9 O// type flag to indicate the fact that this variant holds a BSTR. Place the: f' T* |" m. R1 i/ T
// BSTR into the variant structure.* k+ V2 m1 X+ [5 X% G: Y, B
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);" n7 Z* ]* n8 _) e1 o
+ S/ L8 b, M2 y G7 w O
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");5 I& g- T5 `3 }1 ~+ P6 Y
VariantInit(&requestVariant[0]); " s: c6 Q# r, A' B1 N
requestVariant[0].vt = VT_BSTR;: ~; U5 k, t: q/ \# M! q
requestVariant[0].bstrVal = itemStr;
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4 W0 z6 {2 p! q) E9 [ topicStr = SysAllocString((WCHAR *) L"system");6 y& O% h2 q- o1 g+ R/ u( W9 s
VariantInit(&requestVariant[1]);
- G6 d/ g: }- P$ {, M/ o; x8 z: H requestVariant[1].vt = VT_BSTR;+ \$ X- e5 `0 P1 ?0 d+ U
requestVariant[1].bstrVal = topicStr;# [6 s8 ]0 C- |
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// Set the DISPPARAMS structure that holds the variant.
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8 B+ `( @" O. F: M3 H6 \3 U dp2.rgvarg = requestVariant;/ ]. q' U: k- }1 S) B
dp2.cArgs = 2;
6 d' Y2 O j1 e! T% V* n$ |1 v dp2.rgdispidNamedArgs = NULL;
1 E7 Y- h' S9 }* h' [ dp2.cNamedArgs = 0;
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3 N, ]$ V6 Q* v5 e var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()6 n3 C- Q% m3 h3 g) q* L3 _
6 W: E2 l) M: _; O3 o hr = m_pDisp->Invoke(
7 g% V s# I6 P5 S T# F" i: v0 N requestID,0 f3 U! M7 k/ m O6 B7 l
IID_NULL,
1 x- h5 _4 K, ^ LOCALE_SYSTEM_DEFAULT,) a$ v! S1 Q+ x" i) `! R* L; Y
DISPATCH_METHOD,
% r$ n) @8 p/ S; V &dp2,+ [3 K- W9 y0 A3 n1 ~% P, w
&var,8 L% F2 t" j \0 E, T3 m
&ei,
- E5 `4 S* J1 r+ h &uiErr);
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5 Y B( @* N# g* f, v4 O$ s% i SysFreeString(topicStr);# X' H+ ?' d4 x$ g! i9 W
SysFreeString(itemStr);
; E9 j% l3 e$ K9 g3 b5 X请问该程序是获得extend里面的哪个值?6 J( B$ ?9 ?7 W" N
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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