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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: T1 m8 ]8 f! I9 r* `4 }9 `1 ~5 l
Name = (WCHAR *) L"Poke";
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0 `2 v, z4 i0 n- Q- ^3 q+ P hr = m_pDisp->GetIDsOfNames (. D/ p7 f+ i" r' \" U
IID_NULL, // reserved
& ^9 b: \. O8 b: r &Name, // Array of names to get IDs for" a% g7 I$ d2 S2 L% ?3 Q+ M
1, // # of names in the array
$ ?% y: R u6 Y' v& N LOCALE_SYSTEM_DEFAULT, // System locale
. O: B6 }+ L& v F &pokeID); // Array of IDs to fill on output
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8 x9 f; h+ Z" M6 s v n if (hr)- j3 s7 z/ e8 q$ [. K$ ]
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MessageBox ("Get Poke Unsuccessful");
* Q& q: l B0 m6 C return;
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/**************************传递数据给extend**************************************/
" U4 y) L& ^4 u( c; s0 I pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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" Z7 X3 J# F% j, \9 y valueStr = SysAllocString((WCHAR *) L"1232"); ?1 f9 `9 p; r( h5 [6 r$ p) K
VariantInit(&pokeVariant[0]); ( L" `2 U ]6 O# p7 d8 t9 }
pokeVariant[0].vt = VT_BSTR;
2 f( N6 Y- R- N pokeVariant[0].bstrVal = valueStr;: r3 {3 R- q$ i
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
$ b5 v* a Z1 N/ D- [. ~ VariantInit(&pokeVariant[1]); , t- e. g V% B( W+ e
pokeVariant[1].vt = VT_BSTR;" c) ^4 ?! x" k
pokeVariant[1].bstrVal = itemStr;+ O. S5 L5 N: g$ Q- U5 g& _
0 i2 m6 r& b% k$ M) W0 j topicStr = SysAllocString((WCHAR *) L"system");
3 s# K Y" a4 D! V+ B VariantInit(&pokeVariant[2]); 3 i" f! ^+ P6 O, h8 }
pokeVariant[2].vt = VT_BSTR;
1 n7 k& |6 F0 } pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.3 S( S! Z8 x" O$ a5 K+ B& q8 A
/ B. a: U9 h6 R% M. R9 _8 @ dp.rgvarg = pokeVariant;
- w8 @' r. d3 t9 I {! ~% Q dp.cArgs = 3;; D3 U3 ]% Y# Q$ D' q3 O, w( R+ N
dp.rgdispidNamedArgs = NULL;- }/ e* | H1 B
dp.cNamedArgs = 0;
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// Call IDispatch::Invoke()5 }! ]) D' ^8 L, Z6 ?& I5 A% h0 C' I
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hr = m_pDisp->Invoke(
7 r) u. e. _ q/ M( z& y. o ], \ pokeID,6 j ]+ g4 l$ F1 Q1 c. H
IID_NULL,
& k1 U; X) R$ T5 j$ z+ f7 d! g4 I LOCALE_SYSTEM_DEFAULT,& F+ \6 X7 J# @4 F
DISPATCH_METHOD,4 _/ T: C9 [3 B2 N, b8 S+ n7 T& C# s
&dp,
- w% O5 N* P& g5 |7 x NULL,. }# i, M3 Y7 P% x: O
&ei,2 Z4 Q, t/ I; F! W1 S' Z
&uiErr);
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3 F6 b, n, x" E/ n# L& W; v SysFreeString(topicStr);+ N6 a6 U( v9 _ p1 Z. I* ]
SysFreeString(itemStr);( {' M1 g, M* _! c+ S
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???" y, T% [* r2 ]2 N+ e7 X% Q1 n7 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????
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2.这是request的程序
# i1 R3 `5 O, W& I5 N+ |# h// Request a value from Extend
4 X0 i1 {# \; C e Z) }//
, P* U' E0 m# q7 H// Initialize the variant that will hold the BSTR. Set the variant's( c1 g0 r# n' m! @' ]9 h
// type flag to indicate the fact that this variant holds a BSTR. Place the
: Y1 L: j* Y, |! S/ I5 X// BSTR into the variant structure.
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+ F& D# G$ C: ]- g9 E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ I: n9 Y5 x* T
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");6 j6 W! @% |# L/ B1 k1 V
VariantInit(&requestVariant[0]);
* k- R- ?8 @3 P# U/ D; { requestVariant[0].vt = VT_BSTR;
" r: Z; G [ A requestVariant[0].bstrVal = itemStr;
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1 S# G4 t& _* l* D" n2 v topicStr = SysAllocString((WCHAR *) L"system");/ }6 q% g" I; Y# l$ d3 w
VariantInit(&requestVariant[1]);
" ]1 h/ u% W& j. c/ K requestVariant[1].vt = VT_BSTR;
8 l- }: d$ b N requestVariant[1].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.% g$ ~1 G4 N: u; Y- Z
% D( u2 E o" u, r1 v( n7 a. {
dp2.rgvarg = requestVariant;
- p. w* F# p& ?2 u9 f: G dp2.cArgs = 2;
% c5 A3 [! c% p, f* d dp2.rgdispidNamedArgs = NULL;
: W5 c3 G% v6 W4 B6 T) Y0 |1 Q dp2.cNamedArgs = 0;2 j* b$ C& j3 @- T2 {, v, T) n
8 _: M- j& ]9 P4 ^$ j var.vt = VT_EMPTY;- ]; m0 q+ u5 A- _7 ?. X8 F
4 i9 Q# p& `' N4 j8 v; X// Call IDispatch::Invoke()! M1 P) B' r; i1 R) n- B
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hr = m_pDisp->Invoke(
* {9 n/ j3 D# X. O Y requestID,
1 ~" G" T. ^( N3 y& @! I% w: s" @ IID_NULL,
. M7 x: `9 H i0 m+ u LOCALE_SYSTEM_DEFAULT,2 l8 |) H$ m& p) Z* n8 W
DISPATCH_METHOD,; ~3 z8 r+ j! c* y2 h
&dp2,/ N: b% c3 N+ M# x' I; ~
&var,4 w0 n% x2 d7 j+ ?- s9 @4 l j
&ei,% A: [) R8 u0 |& Z& B R
&uiErr);/ S0 n/ {* g1 X7 E& S$ z
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SysFreeString(topicStr);6 E* z" _) r5 Z' J9 z
SysFreeString(itemStr);) R. C' e5 s) [6 U
请问该程序是获得extend里面的哪个值?
% T: p) z- n, k0 [8 H! u% j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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