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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:
3 X. ] q% N* k$ [5 U/ ]Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (( J2 W3 x$ s4 R" a% R
IID_NULL, // reserved& [ c n6 e+ P; e# s+ X
&Name, // Array of names to get IDs for
$ j0 p- q1 @) a% J. b7 P- Z 1, // # of names in the array# q, h! @/ D: }0 U6 k& n
LOCALE_SYSTEM_DEFAULT, // System locale
& g4 w; ~ l$ j% Y1 c$ g$ i' t% _% ] &pokeID); // Array of IDs to fill on output+ y; i' K" [5 \% A2 r9 q" I
1 l+ m5 r8 f( y) D: o if (hr)8 I- H3 S( h4 z
{
. E7 P0 z$ W$ U; O/ Z* ~! u$ y3 V MessageBox ("Get Poke Unsuccessful");
7 D/ E6 [' _+ d) G return;( J" b% |! r( k' m$ |) E
}
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" i: Q4 r; N7 e- s- r; T4 m3 s7 [/**************************传递数据给extend**************************************/$ A: H* O- X4 S+ f- u
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232");9 f t, [+ \+ r5 R- [) |
VariantInit(&pokeVariant[0]);
1 _* x! x" K1 i- L( k6 _4 B pokeVariant[0].vt = VT_BSTR; n0 X; `3 ^# J, \9 W! o# X
pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
0 x3 }5 p3 w3 m0 A VariantInit(&pokeVariant[1]);
# G4 I# ]1 m* j1 W/ l6 p! t: ? pokeVariant[1].vt = VT_BSTR;( h% _1 j! x5 |+ R. L7 k
pokeVariant[1].bstrVal = itemStr;' K( c5 g) W2 X" F0 y7 E9 x. f; h7 E
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topicStr = SysAllocString((WCHAR *) L"system");
# }9 f7 l& I6 x- F1 B$ E VariantInit(&pokeVariant[2]); 0 g+ G" y. w: l1 O- C6 k3 c
pokeVariant[2].vt = VT_BSTR;1 m6 v( ?: |; }1 g. F
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.5 Z, I/ v+ N+ M" z3 Z8 S2 `
6 |6 u& t, f9 j9 _. Q/ t# p dp.rgvarg = pokeVariant;$ K' t8 Z0 v7 k
dp.cArgs = 3;' O9 k8 U4 m8 E! L# d C. [6 o
dp.rgdispidNamedArgs = NULL;
6 k: m5 j D1 s8 o" {' O dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(- v. z* {2 I/ I7 O0 _7 J
pokeID,. {. i1 M% T4 t
IID_NULL,5 c- O- E% L: ^, J
LOCALE_SYSTEM_DEFAULT,& i% n$ t8 S+ o1 f' o+ F* O6 h' I8 e
DISPATCH_METHOD," Q: v) o& c, S7 G, q( }
&dp,
2 X5 T. T3 x/ O! k0 g NULL,
( [& o# z# _1 t9 _( ^ &ei,
/ O2 d+ X/ J1 x6 |+ ~ &uiErr);
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SysFreeString(topicStr);2 k3 l6 U r) k+ a' h6 o4 b' M9 c
SysFreeString(itemStr);0 b6 k" `4 k# w8 |
SysFreeString(valueStr);' H, J% y9 }' Y- b/ S; ^. y
# l3 k: D, J& P" o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???' ~$ M: V% V5 ^
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4 H- ?$ z3 Q- k" a
// Request a value from Extend$ V; ^3 e S) `$ V9 K" N3 e
//# l2 k9 N7 J- t) a" `4 t) O6 x
// Initialize the variant that will hold the BSTR. Set the variant's4 j1 y7 z! Z' r6 `( D
// type flag to indicate the fact that this variant holds a BSTR. Place the1 L% M0 b! s8 F8 j5 D& |# `) J
// BSTR into the variant structure.
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n k0 o* `! G8 ]: { requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 k) p& W+ c' T0 C6 C! X6 l
VariantInit(&requestVariant[0]); % d' a2 u( c2 ~
requestVariant[0].vt = VT_BSTR;! F4 ?( ^* C1 k$ S, D( S0 b- X
requestVariant[0].bstrVal = itemStr;) K9 F* E, Y* W; p+ G+ _
4 `3 V# U+ |3 i% n1 s* D" Q topicStr = SysAllocString((WCHAR *) L"system");" F6 W9 Y# ~$ p, _' t
VariantInit(&requestVariant[1]);
9 @0 |. T+ j5 h% { requestVariant[1].vt = VT_BSTR;
; ?% i# |$ E0 z( O requestVariant[1].bstrVal = topicStr;: }# C8 v D& p" c8 b+ o3 r
7 o+ l) J5 U! k+ i' I// Set the DISPPARAMS structure that holds the variant.% K4 H* R2 [) _ d6 V, {9 Z9 N
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dp2.rgvarg = requestVariant;
+ P2 V; ?: s; V8 g! a2 R; ^ dp2.cArgs = 2;$ g: y+ B, @" ]. E$ P
dp2.rgdispidNamedArgs = NULL;
5 x5 F$ G7 z8 {- c2 ~. K dp2.cNamedArgs = 0;! n" O- [& T8 \7 ]
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var.vt = VT_EMPTY;, q! ^9 U7 K0 m& q
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// Call IDispatch::Invoke()
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! W C% r3 P- E2 i' O M3 m: } hr = m_pDisp->Invoke(
/ r; c9 u0 b$ P5 S requestID,, Y* y- \) t4 b O4 d" s
IID_NULL,
# [3 P2 V! B2 p+ W$ _ LOCALE_SYSTEM_DEFAULT,! c* ^# L! T* w1 J
DISPATCH_METHOD,* N& o o* O' B' w5 Y
&dp2,
+ Y7 k& h3 r* }) U" N) v! s &var,$ l4 B5 D: @2 V2 ?/ M, y
&ei,
" \/ S$ \# m8 f9 B) h! \) \. M &uiErr);
W* R" U, T+ n# L
|) U( B$ Z" J( X8 Q SysFreeString(topicStr);
; g6 t+ j7 Q2 {. y3 G: y; n SysFreeString(itemStr);
' d; c" Y2 o# Q8 \1 M4 d请问该程序是获得extend里面的哪个值?
- w# {( D$ K3 Z: \# K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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