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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:
+ b# k2 Z+ L* k9 ?; ?& ?5 i" x, RName = (WCHAR *) L"Poke";0 b, J* x3 F7 g5 w; J2 ]
6 ]4 k! Z/ v+ J0 H. _$ M* l hr = m_pDisp->GetIDsOfNames (: e0 x$ s0 p& b$ O- M; L
IID_NULL, // reserved
S+ o% I- S6 w5 e0 |$ x" J0 j &Name, // Array of names to get IDs for4 w7 I* q. h! e8 v
1, // # of names in the array
7 w+ q M7 p* r5 U( C! C. X LOCALE_SYSTEM_DEFAULT, // System locale
! s4 c. @7 `- F; x& A) Q/ r &pokeID); // Array of IDs to fill on output5 W9 Q! S: `- Z4 q" M: C
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if (hr)/ h8 L, U6 m4 G
{
5 |; [9 ?4 T& [# _# h1 l( j MessageBox ("Get Poke Unsuccessful");( ^' t. K8 w3 ?$ r/ F
return;
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' R; u, c/ D# ^1 h/ D* d% F: S/**************************传递数据给extend**************************************// `6 F+ {, |8 b
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);2 x. Z+ E9 H# f6 }; W, n- W
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valueStr = SysAllocString((WCHAR *) L"1232");$ I8 d1 G% x2 r8 L6 T7 i
VariantInit(&pokeVariant[0]);
$ p0 V% m% ^ \ pokeVariant[0].vt = VT_BSTR;! Z# }- Z( A0 h/ |
pokeVariant[0].bstrVal = valueStr;" h D! J8 u2 G4 a7 y
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");; |/ t; N0 a" q+ q+ I$ M
VariantInit(&pokeVariant[1]); - g+ G4 J' n: j- Q
pokeVariant[1].vt = VT_BSTR; M: C4 s1 b0 u6 w; T
pokeVariant[1].bstrVal = itemStr;3 s% o9 I' a8 F) Q5 P! E
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topicStr = SysAllocString((WCHAR *) L"system");* P1 Y7 _ h: F2 Q# W
VariantInit(&pokeVariant[2]); / m4 n3 O0 I4 p: P$ H
pokeVariant[2].vt = VT_BSTR; w! B& Q8 |5 }% G2 y5 n6 i
pokeVariant[2].bstrVal = topicStr;0 k) [1 Y8 H) |- @( D2 O
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;3 ]5 [" K/ O) y, ? _) d
dp.cArgs = 3;
, e7 c) x$ o* ]4 Y8 m/ r dp.rgdispidNamedArgs = NULL;
; g5 d' a% H2 ^& m% J8 h6 p dp.cNamedArgs = 0;" l- D: s+ {; t$ O; O
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* Z; Z- l5 Q* X' n
pokeID,( k# ^9 Q. {* s; A s1 e
IID_NULL,
+ Z7 y- p+ ]& n- D6 C% X' z LOCALE_SYSTEM_DEFAULT,- | m0 b! `. n6 V! k
DISPATCH_METHOD,
0 g! ~# T& w+ Y &dp,
2 o9 F: e. o. n" G' t& [ NULL,
0 S' \& y; l% K, W &ei,9 Y8 t7 v' w* K+ x; S
&uiErr);# @4 g0 J3 ]8 q, A& P' R! I9 U: Z
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SysFreeString(topicStr);2 o& A1 t( _3 `: z u
SysFreeString(itemStr);
8 F8 u4 ~7 P. Z/ e0 @+ W 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???# h Q( [& Z! t- `. b5 q
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
& O# H' D' h {1 I2 Z% p// Request a value from Extend* K$ z/ C5 d2 f D4 h* |& n
//' b0 b# X2 \7 B& X7 o( z( K
// Initialize the variant that will hold the BSTR. Set the variant's
1 E1 E2 l. t( e2 E7 L L// type flag to indicate the fact that this variant holds a BSTR. Place the& Y; ]% Y! u! g# z- p
// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);4 Z" `# }/ \) y8 C
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ ?* P, @) f' _ VariantInit(&requestVariant[0]);
0 v* K- s' Y2 r requestVariant[0].vt = VT_BSTR;7 H; B0 U8 V1 f/ I2 B( I: U; y$ @
requestVariant[0].bstrVal = itemStr;
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- V& b1 ^; R' b7 A& S; C" l: O topicStr = SysAllocString((WCHAR *) L"system");* T5 m" ^, u! q: L- N3 @/ X
VariantInit(&requestVariant[1]); ) `. Q. b# c* J/ Z1 ^
requestVariant[1].vt = VT_BSTR;
* W7 q+ ~4 q b6 e, T. Y requestVariant[1].bstrVal = topicStr; E; ?2 x! X- L2 P" d4 @! h2 W
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// Set the DISPPARAMS structure that holds the variant.1 w4 j1 z- i; c6 `5 Z
8 r: j: b- z5 B" m7 ? dp2.rgvarg = requestVariant;
# j1 H/ S# R" q- V+ [8 _ dp2.cArgs = 2;
/ M; {) V/ i" i1 k a: P: v dp2.rgdispidNamedArgs = NULL;2 a1 ?& v. `0 G: F% D
dp2.cNamedArgs = 0;- H- f9 g% v; S- K
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var.vt = VT_EMPTY;( e4 {) M8 V# m4 B% G' _2 B
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(% l e8 Z9 m" Q+ `5 H
requestID,
z7 _1 |; x3 B5 M IID_NULL,
1 n3 T5 Q1 s% C' r" u' C LOCALE_SYSTEM_DEFAULT,
6 |' D4 q5 h3 t+ \ DISPATCH_METHOD,7 P8 \1 F' \: N4 \6 O- c
&dp2,
4 v$ D* u8 ?8 ?( A4 J4 F/ m &var,: Y, s" M" o% m* D4 y
&ei,% S6 [" k0 l( @8 O
&uiErr);2 V: _9 Y+ ]5 P% Y
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SysFreeString(topicStr);" l7 J6 v! l% h% S' A% S; |( ^
SysFreeString(itemStr);7 T8 ^' A0 I! X, g0 U
请问该程序是获得extend里面的哪个值?8 o4 p ^7 w+ 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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