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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:
|( g. ^( Q0 j4 tName = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (& A6 `& g. c1 z# J, j! y, i$ `& L. D
IID_NULL, // reserved3 n7 D* k2 x8 l+ e% @8 A8 f
&Name, // Array of names to get IDs for V/ K0 J1 ]. E$ p; Y) i: A
1, // # of names in the array
8 ?: o e4 y$ r: ^" ~% c5 c% o4 x LOCALE_SYSTEM_DEFAULT, // System locale
( J- ]7 U6 F" f/ }; ~3 ^ &pokeID); // Array of IDs to fill on output
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+ p: x' ]+ M# `6 N0 ~ if (hr)
8 w' j( O; ~' _0 G* V7 U, n {
X2 m# q2 j1 O5 a( Y3 O" v MessageBox ("Get Poke Unsuccessful");
# ]! F- D4 G; d7 k5 \( N" C return;
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/**************************传递数据给extend**************************************/0 }$ G, M$ g4 c, y# I
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");
( r! w& d6 q) _% i/ D" m VariantInit(&pokeVariant[0]);
% ]6 ^2 [0 O9 j. K9 y pokeVariant[0].vt = VT_BSTR;
v8 R% `8 ~4 x. M$ ]; \ pokeVariant[0].bstrVal = valueStr;" @0 ~* t6 k# R+ {6 ]
+ S. I6 H2 W X5 e$ G5 ~ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
/ \- z, m' W. u( ? VariantInit(&pokeVariant[1]);
7 W% ~0 Z6 W4 X; V, t$ s pokeVariant[1].vt = VT_BSTR;
6 |+ M: e7 P$ e4 n; r pokeVariant[1].bstrVal = itemStr;6 ], z% ^) k: ^ V; u" l; L
! O9 @! \/ g i5 l topicStr = SysAllocString((WCHAR *) L"system");
% k4 C7 t+ {! w; V/ e! J, e VariantInit(&pokeVariant[2]); : U: V& e( v2 w: Q/ m/ ?
pokeVariant[2].vt = VT_BSTR;
' v0 x* ? t- C) b" b7 [# p pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.8 v4 M7 W- R+ c; V' b- c
/ ?" z) M' U$ } dp.rgvarg = pokeVariant;
# x- m1 O3 r7 G j! {* n. [ dp.cArgs = 3;+ b1 L5 X) P, d
dp.rgdispidNamedArgs = NULL; t$ W9 ^7 I' b$ D
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
" h: C+ }5 ]9 h# J; C pokeID,1 M( `5 V. q' \/ f8 \; g9 r
IID_NULL,$ t8 Z) Z. V( l) @2 ~+ {
LOCALE_SYSTEM_DEFAULT,2 r f$ @- ^6 Z# V
DISPATCH_METHOD,
$ c6 X" T, F% R' d3 ?) B &dp,7 q i8 n( c" M2 c8 `7 r2 t
NULL,
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&uiErr);0 R" `2 M, t& N! n$ O3 F7 J
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SysFreeString(topicStr);+ [. D, M6 @2 X9 l' }
SysFreeString(itemStr);$ `/ N5 _7 ?3 h4 u7 f8 T. i% j( `. i
SysFreeString(valueStr);
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4 h% Y* a9 z! p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???
4 k( ^+ Z$ F; p. U9 V( B* M( [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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8 j6 Y; m+ o- _1 o. X, K, |7 l2.这是request的程序4 x- ]$ k' z" c
// Request a value from Extend2 S) K) Q' Y, i0 c. H% m5 Q
//, C: o% G3 R( Z& K) j" `
// Initialize the variant that will hold the BSTR. Set the variant's- u, _' g8 b- x9 L5 M" Z% ~
// type flag to indicate the fact that this variant holds a BSTR. Place the% W& o, o$ X5 m# k# |
// BSTR into the variant structure.
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& e( ^) p; V' [4 R/ E* n: I5 p# z1 P$ ~ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);* |# L3 b, I! ~7 ~; o2 A* X
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");3 T* p' d8 W. w) A' e
VariantInit(&requestVariant[0]);
' Z. `4 h+ V3 q7 f0 n2 L requestVariant[0].vt = VT_BSTR;
0 E" V% m; T6 M6 W% z requestVariant[0].bstrVal = itemStr;4 y1 K) c) M+ I5 v. z
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topicStr = SysAllocString((WCHAR *) L"system");
" E/ u* H7 e* t, v3 {- k VariantInit(&requestVariant[1]);
! U3 }4 L7 b( n/ Q requestVariant[1].vt = VT_BSTR;
6 y( o5 p& g7 H requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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9 p2 j9 g0 F$ o) t/ q+ h: F, b dp2.rgvarg = requestVariant;6 `; q. k0 j& _5 R9 d, h
dp2.cArgs = 2;
4 w* a; v8 d) j1 [ dp2.rgdispidNamedArgs = NULL;7 B7 z. {- o( Q+ p
dp2.cNamedArgs = 0;
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. L# \9 ?/ x$ k( y0 u8 y5 ` var.vt = VT_EMPTY;, i i+ B4 b. y9 D" u, Y
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// Call IDispatch::Invoke()1 M& |& t6 A. B* i
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hr = m_pDisp->Invoke(
; z0 v$ e- V* |" ?# N0 T* P5 d requestID,
( t7 _% v e$ w) _ IID_NULL,! b1 i4 F ~4 m+ X) H9 ~( A
LOCALE_SYSTEM_DEFAULT,6 n% I" q. H0 o4 U$ ~; c) W/ e
DISPATCH_METHOD,
' e' ?4 p# { @5 g) X# u: K &dp2,
8 K; A$ Y ?+ w" `$ y6 `/ V &var,
) \5 k6 I) J4 i6 p9 }! i &ei,9 |( u- N" Z6 b% E* }
&uiErr);& _/ p# f- h6 ^1 f: L3 w" d
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SysFreeString(topicStr);
7 V, ~2 w4 |$ B0 C SysFreeString(itemStr);: \- I" T* t, }2 p
请问该程序是获得extend里面的哪个值?3 z* X$ R6 s" \1 a3 u, n0 V! `
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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