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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:
- `2 l7 F8 h" s' Y$ @Name = (WCHAR *) L"Poke";
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0 y: S. T1 Q1 Y! S% x) D hr = m_pDisp->GetIDsOfNames (
9 H4 f- {( Y7 `" m& t IID_NULL, // reserved
& g* y$ Q& u8 Z Y! Q &Name, // Array of names to get IDs for) z& Y/ C4 g+ Y' n# q0 a6 B
1, // # of names in the array# g1 D1 d0 P7 z" w, {# W
LOCALE_SYSTEM_DEFAULT, // System locale
3 t+ D3 S( p( O, A &pokeID); // Array of IDs to fill on output$ O9 P( T, h. ]/ m1 ]7 j
0 p2 J1 x; T/ k8 D J3 K- [ u if (hr)5 [: r2 I1 L$ m5 M9 V
{& I2 \# l# O: B
MessageBox ("Get Poke Unsuccessful");
. W5 @2 m& Z. k; Y return;
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/**************************传递数据给extend**************************************/
) b( g' z6 A/ T2 C& r pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);4 O$ i% O/ @# g: Y8 ]; u
& Y, E- ^1 C6 P# M* t8 {
valueStr = SysAllocString((WCHAR *) L"1232");
; `) l- |: q) V VariantInit(&pokeVariant[0]); / o' d7 q1 R- |+ X! }
pokeVariant[0].vt = VT_BSTR;
& u$ [6 }5 X. B0 S pokeVariant[0].bstrVal = valueStr;
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/ ~% Y, w6 V) \# [4 W1 d itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% J* u. y* C/ {4 L
VariantInit(&pokeVariant[1]);
0 [2 }% d' z# D2 A0 y; g& e) \6 y, o) I+ B pokeVariant[1].vt = VT_BSTR;# Y$ h" P5 W8 b/ H; T
pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 A7 L% y* M# U: t) _! A9 R) x
VariantInit(&pokeVariant[2]);
4 M- z" c3 c* p pokeVariant[2].vt = VT_BSTR; |! B1 y# }5 d$ u# n# P; Q
pokeVariant[2].bstrVal = topicStr;! Y- ?6 K/ J$ i3 n
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// Set the DISPPARAMS structure that holds the variant.
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0 c- b2 g/ W* m1 h1 O) D' o' | dp.rgvarg = pokeVariant;
9 ~+ e) J. J9 E+ j dp.cArgs = 3;) q+ s2 x4 F6 V5 Q4 s5 U
dp.rgdispidNamedArgs = NULL;
" `' [% P: \/ I0 Y- n dp.cNamedArgs = 0;
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4 j9 Y: y* X9 s// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(8 [# U- [) n/ m
pokeID,
8 Q. ~" N0 A% k# ]7 n- h IID_NULL,0 G y3 m% a: ]7 Q5 \, Y6 y* J' W
LOCALE_SYSTEM_DEFAULT,( D3 v& W8 u0 ~" U
DISPATCH_METHOD,2 v- ^5 B* F! M
&dp,3 M& S- F/ v! Y, d6 U) P
NULL,& A* h" Z7 B$ R
&ei,! `/ o$ t" @+ S# C
&uiErr);
! \( \! V5 v' q, e! ] `* X d( a5 Y) C
SysFreeString(topicStr);: g. A2 G. r- t1 e0 J3 _/ `- {9 J0 a. O
SysFreeString(itemStr);- V5 C; G! C% X$ W* x: I2 c6 }
SysFreeString(valueStr);
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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???! E: j0 Z+ G1 L5 i# z/ v" ?
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
, N3 z3 [1 H5 N9 |0 [// Request a value from Extend
* u3 ~5 s5 @( l+ B9 _6 }& R7 |. P//
) ~! p) e, d* y* J! P$ A ~4 G// Initialize the variant that will hold the BSTR. Set the variant's! O: B5 v8 \! x2 i- P; E
// type flag to indicate the fact that this variant holds a BSTR. Place the- ~ x g# h! M& t7 G
// BSTR into the variant structure.
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7 b2 O' B. I% A8 s& l requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");- `% F. x5 P. T5 L6 S
VariantInit(&requestVariant[0]); 5 B& m* L9 {! v N
requestVariant[0].vt = VT_BSTR;) r) @9 t j; b. K0 c& e
requestVariant[0].bstrVal = itemStr;' g8 m E. I0 X% ^& R
1 T1 k: x2 E5 ~+ T8 A topicStr = SysAllocString((WCHAR *) L"system");2 j2 j H+ X9 a( @( w1 C# ~/ n
VariantInit(&requestVariant[1]); 5 s' B( z- K9 ^; q/ f# V% r' w3 P9 U
requestVariant[1].vt = VT_BSTR;
# \, O* v {6 U p requestVariant[1].bstrVal = topicStr;" Z: W/ M5 {+ H0 H- _% o
+ Q1 j5 t+ A# u) j$ o/ P% g// Set the DISPPARAMS structure that holds the variant.
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dp2.rgvarg = requestVariant;
" u5 T. v& p$ K2 B$ D dp2.cArgs = 2;8 X3 a( E9 Q" Y* m7 L# h9 V% `8 g! p/ o
dp2.rgdispidNamedArgs = NULL;! C/ ]# R8 `- p* Q& f! x
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;/ A% @, k! |1 f6 F# O+ T
) d3 w6 S/ l: S4 r- P1 n' S, P// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(9 @5 b0 |2 N/ B1 Y
requestID,
( q+ U; |0 C& u, Z2 D) b IID_NULL," v* W8 i/ ?5 {' u- ]
LOCALE_SYSTEM_DEFAULT, a- E7 q& P- Q9 I4 m# k
DISPATCH_METHOD,- s# T' D8 f. R% u, l
&dp2,
) ?% n8 U) F+ x) l6 Z1 v8 e, J& y! C &var,
1 o+ l- I4 O: @+ A0 q& _ &ei,9 |- W/ N. U+ I. k: ]7 D7 ~; p
&uiErr);
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) D! F. X$ d" Z7 m9 t: G% [ SysFreeString(topicStr);) i6 a1 ^9 r# t5 F% }# f5 p
SysFreeString(itemStr);5 r; g* K( ?3 b" n) b( z! W7 i
请问该程序是获得extend里面的哪个值?0 p5 i4 Y/ m, P
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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