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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:
; y" j% B* `# m/ g2 P) bName = (WCHAR *) L"Poke";
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- I- X! H# {$ I3 Q% m& o2 v* ~ hr = m_pDisp->GetIDsOfNames (2 C7 u4 R% A( x7 N* I/ T; ^3 f- ~% `
IID_NULL, // reserved
; L4 l: j0 X' w( i: k! y$ @ &Name, // Array of names to get IDs for
( h, r" k% X5 n- N' n6 @! l 1, // # of names in the array
( l) p* u4 z) y# G LOCALE_SYSTEM_DEFAULT, // System locale
6 Y0 | B0 a1 \# R& M3 } &pokeID); // Array of IDs to fill on output
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if (hr)- G U) X- v+ F, r s
{ p2 I u g) \8 @ H& c V
MessageBox ("Get Poke Unsuccessful");+ z& K+ |: @3 u
return;8 \1 a+ P- U; D& ~ f$ U
}
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/**************************传递数据给extend**************************************/
: r( l$ G7 u! W3 z- f) v. Y, ]. x7 | pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);7 ]" [) p& c# C7 d: k' M
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valueStr = SysAllocString((WCHAR *) L"1232");
" i7 _7 Q3 v7 W$ i* I VariantInit(&pokeVariant[0]); $ t2 [4 @$ q% y$ I4 j9 C/ c
pokeVariant[0].vt = VT_BSTR;' t+ }; W4 S1 `8 U/ ?! ~
pokeVariant[0].bstrVal = valueStr; X. V W9 G0 p9 g. b; w
3 c3 ~4 s' z8 H* g0 ?$ { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");# I( L+ Z% ^% L j% c
VariantInit(&pokeVariant[1]); 4 M: o# R: P: g Q9 _, u5 f; R
pokeVariant[1].vt = VT_BSTR;' R/ @0 k, r) S0 a& p$ n
pokeVariant[1].bstrVal = itemStr;, L; p) I) E7 V; h8 V1 P7 Z7 H) Q7 }6 A
6 C) f W. T" F3 Y' o topicStr = SysAllocString((WCHAR *) L"system");$ ^8 ~- r/ x1 ~
VariantInit(&pokeVariant[2]);
h' J% K- S* p2 b6 M# g- v pokeVariant[2].vt = VT_BSTR;
, M6 G8 z2 J% C pokeVariant[2].bstrVal = topicStr;, c3 @2 x) q( V% Y0 S
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
/ C# O+ _) Z. q& ~5 { dp.cArgs = 3;
6 L8 Z" h+ d7 t& {$ Z dp.rgdispidNamedArgs = NULL;& O+ X" q* T5 c. f6 C3 A9 s+ S
dp.cNamedArgs = 0;7 c+ I$ a, t9 J1 M& x5 ^
+ a2 o1 I& R2 _: y# B7 J9 Z
// Call IDispatch::Invoke()$ r; P5 S) B0 J. q# R. G3 y
% `8 a* `: H1 ^2 j8 V# l/ ? hr = m_pDisp->Invoke(
: [6 \; Q2 m4 R( o& Y+ G pokeID,% r( w4 i4 m* v! `! C
IID_NULL,
& E. F$ D/ T. B0 [ LOCALE_SYSTEM_DEFAULT,. Q+ x; t' M8 ?
DISPATCH_METHOD,
U+ J( O* T2 B3 A: y7 F1 |* Z &dp,$ @' ?0 P1 @0 T" L9 ?
NULL,( J" E/ G! S8 C. a& o( l
&ei,
$ b |; r' ]$ F6 X: R &uiErr);
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SysFreeString(topicStr);
7 T* M2 X: P! M8 M0 q SysFreeString(itemStr);, Q/ \. y6 C( a% O; C" G7 h3 y
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???
+ D. G' B4 u/ M1 a% F3 W N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????' X* S% n6 w5 `3 \* {- D4 w# N" t& L
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* I) C1 D) W1 P( t; e$ \2.这是request的程序 a' P/ L1 G6 ]* }
// Request a value from Extend. G. {. G+ \* u6 S* M
//- b3 w8 d% G: l
// Initialize the variant that will hold the BSTR. Set the variant's' w4 Q1 v' d- z/ m$ W% V3 t
// type flag to indicate the fact that this variant holds a BSTR. Place the
. a# G+ E8 G/ X( P. J# l// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
4 x' h( k: C- U VariantInit(&requestVariant[0]); 2 q) g) n% L2 C6 s) j- h/ x: h
requestVariant[0].vt = VT_BSTR;
( y, m$ D; E1 d& Z$ [ requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");& b+ I4 D3 l% @& i6 T
VariantInit(&requestVariant[1]);
% e% v2 x( s$ z" P5 N9 M2 u requestVariant[1].vt = VT_BSTR;
" X# m7 P6 Y M- B3 X: f. e requestVariant[1].bstrVal = topicStr;" C- O& ]5 j* H5 T7 x
; [" W$ ~3 z7 O T* b// Set the DISPPARAMS structure that holds the variant.
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. D: H# I* U, O4 O$ O dp2.rgvarg = requestVariant;4 G! I$ c2 s. ?; o
dp2.cArgs = 2;
5 _# S' ^% ?$ E- v# D dp2.rgdispidNamedArgs = NULL;
. |: J4 N# ~9 W) Z6 I" _2 U1 g dp2.cNamedArgs = 0;
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y! H1 @9 J6 Q var.vt = VT_EMPTY;% b, [. k8 Y; |: j7 D
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// Call IDispatch::Invoke()' \& |9 H% l" O* M9 U
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hr = m_pDisp->Invoke(9 d8 i! ~" X" _ Z
requestID,
/ ?' [6 A0 m" E ^ IID_NULL,
1 M1 {' G" H( q- H$ x+ O LOCALE_SYSTEM_DEFAULT,& o' d8 u( X. ?
DISPATCH_METHOD,
: z3 J% y+ n' y, Z: p E5 Z H &dp2,
) @! h5 }7 V: \3 O3 i &var,8 j7 Q; w7 b, V0 O) x
&ei,% U0 P8 s; K \1 i# S
&uiErr);3 H( U) p) O5 D( g1 `
9 Q: B1 {) E& J$ J5 y+ s SysFreeString(topicStr);7 x6 Y6 V1 ]+ W+ i1 ]! g& g
SysFreeString(itemStr);
- ~ m2 c* }, |) S9 k# ~5 Z8 Q) x请问该程序是获得extend里面的哪个值?# k% J% @. r! Z2 S! @
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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