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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:) Z, a: S7 c5 i5 t: |( |
Name = (WCHAR *) L"Poke";& |0 b0 _ J6 [: q$ u" W
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hr = m_pDisp->GetIDsOfNames (4 | [4 _2 j8 }0 b3 }
IID_NULL, // reserved+ K' a* i* P8 w8 ~1 D
&Name, // Array of names to get IDs for
0 b4 H2 b* T% W9 ~ 1, // # of names in the array- r9 a m- E. b
LOCALE_SYSTEM_DEFAULT, // System locale
" E3 R9 V( D8 y8 ^% l4 d, _# O &pokeID); // Array of IDs to fill on output
, U( ^" o: P0 ]/ g% o3 x F
1 ~/ c7 Q. Q9 F$ c- f' {1 `% n if (hr)
, q Y$ e2 T/ G8 p/ q {
( Z% a. Z! u9 @& d, v4 M. R3 | MessageBox ("Get Poke Unsuccessful");6 l- \2 d. p+ k& f H. H
return;
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( @1 ^; f9 m# k7 B: O/**************************传递数据给extend**************************************/
/ X/ X7 c T2 C# t( v pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);. B( a0 H, @$ W$ t0 |, A8 ~
4 I* w* \$ r# A) a' P valueStr = SysAllocString((WCHAR *) L"1232");
6 _3 T% `# ]0 d o VariantInit(&pokeVariant[0]); 5 K7 j2 M$ J7 m# w, p" C
pokeVariant[0].vt = VT_BSTR;4 u$ k* `) C( {0 U7 u, p/ g! q
pokeVariant[0].bstrVal = valueStr;
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) P# c. h* Q: Q! W9 _$ }4 r5 ^ itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
' r6 | R9 L. L( ]7 Y% h VariantInit(&pokeVariant[1]);
# O+ v* b+ Z) a5 v pokeVariant[1].vt = VT_BSTR;- m( J, G G! P$ w
pokeVariant[1].bstrVal = itemStr;7 k% }# d* Z& H
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topicStr = SysAllocString((WCHAR *) L"system");
( w$ V) X3 {- E" [0 O VariantInit(&pokeVariant[2]); . m7 r$ {+ L. r/ Q8 ^% w" v
pokeVariant[2].vt = VT_BSTR; q4 F0 `- B8 N* b
pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.! M: L/ K# @7 W* r
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dp.rgvarg = pokeVariant;
. ^. D0 B1 M R0 a f dp.cArgs = 3;! B' d% ^5 v8 D* g6 | q4 K
dp.rgdispidNamedArgs = NULL;
0 v7 b; f' V5 J# p w0 S; r6 x dp.cNamedArgs = 0;
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; z! t1 N8 ^) n// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(
7 k& f% a1 y2 {& B6 K pokeID,
5 X3 B1 V. A e, N) t* C IID_NULL,, i# F: C: W; |5 A1 J
LOCALE_SYSTEM_DEFAULT,
( p, c6 N8 Y! n DISPATCH_METHOD,
, x8 j1 u) w: ]9 k1 ]9 Q# {; M &dp," n3 I) ?: A7 o' E) b
NULL,( g+ H" e7 H, Y
&ei,
% a6 p3 \* f* u- I" `( C: u* B &uiErr);
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SysFreeString(topicStr);
+ ` N# [' z' W; p SysFreeString(itemStr);+ q Q( B& L4 I! C! R
SysFreeString(valueStr);
) [2 v' }( e- u4 _" z* n5 P3 ?
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???
2 K$ M' |5 O1 h+ \7 `1 S) p; \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2 }9 e9 X9 a% Z: D' b
// Request a value from Extend5 z+ \0 ^$ c( F$ Z; w4 u: x+ c
//
3 @- y' M0 _1 P9 E0 m3 u F// Initialize the variant that will hold the BSTR. Set the variant's
: ]& w8 v3 R K// type flag to indicate the fact that this variant holds a BSTR. Place the
8 ?8 h: n& ?5 I4 ^; v# V* |// 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");7 `- Y3 B: B2 h0 _8 x
VariantInit(&requestVariant[0]);
- v- A# n) h9 D0 [4 x+ n, p requestVariant[0].vt = VT_BSTR;
- l% o: H, [6 K! B requestVariant[0].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
& v% C; q& [! y" ^6 k/ |$ n; v/ J VariantInit(&requestVariant[1]);
- x, o- a a& x* J& S requestVariant[1].vt = VT_BSTR;
: s: s9 w( K% ^- _9 V `1 W7 Q- ? requestVariant[1].bstrVal = topicStr;* h+ i3 Y+ |2 B
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// Set the DISPPARAMS structure that holds the variant.9 C7 ~% e i) C7 f( F1 b) u8 g
/ D2 x8 l9 A' {5 ]# c/ B9 K dp2.rgvarg = requestVariant;2 O" b' E9 V+ m8 Y7 C0 W* r
dp2.cArgs = 2;
$ h) G. D% ~7 [+ E dp2.rgdispidNamedArgs = NULL;' s9 a* H) [6 N! j! P* g4 m* D0 k- B: P
dp2.cNamedArgs = 0;$ u6 R+ f1 o, x, v; m, i
) m ~# C: W& Y& C& `* n/ k var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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# ~" r0 w+ o2 e" } hr = m_pDisp->Invoke(. I8 k2 X3 b7 V0 t$ {+ M! S
requestID,
: k& r6 W+ q5 F+ c+ s8 } IID_NULL,' @: H3 _/ e8 }7 [- d% n
LOCALE_SYSTEM_DEFAULT,
B; {2 K$ i0 \% K DISPATCH_METHOD,+ k1 K/ e0 E/ \
&dp2,
* C6 D/ c9 u9 l* j l* a1 S &var,
+ L" G9 f/ u7 l& w8 R &ei,
1 C- p' n/ u- {" E5 X9 | &uiErr);
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SysFreeString(topicStr);- \4 u6 J7 n% q* ?- P. Z
SysFreeString(itemStr);
% K7 L( c0 N1 A请问该程序是获得extend里面的哪个值?
2 D' U# P- x; }0 Q6 h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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