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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:, F2 M' @! \% n* r7 y: Q+ p
Name = (WCHAR *) L"Poke";
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hr = m_pDisp->GetIDsOfNames (
6 z$ z& t$ X8 t+ O$ h- Y IID_NULL, // reserved
- ~: M& C. L1 x& D &Name, // Array of names to get IDs for* g9 D4 V% C4 b5 E
1, // # of names in the array$ C `4 @0 K! u$ W' U6 P% J& ?
LOCALE_SYSTEM_DEFAULT, // System locale5 D8 m$ i, C( H5 G, X+ ~/ R+ E
&pokeID); // Array of IDs to fill on output" t, ^/ G9 b% }# I6 d
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if (hr)
+ ^5 V& g3 R. I: W0 Q {: \+ K0 `- S1 W2 J2 W) y2 d
MessageBox ("Get Poke Unsuccessful");
9 I( @! R1 n {8 @- Q$ [ return;; D; D# {8 f) Z: Y+ k, ~7 r& b" H
}
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/**************************传递数据给extend**************************************/- t$ [0 q+ S, S
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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8 F6 {9 ?+ n( N2 h0 t" t5 ^' R3 o+ I valueStr = SysAllocString((WCHAR *) L"1232");' [7 ^% x- y4 a, _2 Q- W
VariantInit(&pokeVariant[0]); 5 S' |, N) a2 I7 Z2 B
pokeVariant[0].vt = VT_BSTR;
! [( ?' X ~* m3 ^' l pokeVariant[0].bstrVal = valueStr;9 O. g) t" J* y
' x R8 L2 ?+ F# K& Z3 K0 E itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");) q7 t) i/ v. f, r# F8 B0 P
VariantInit(&pokeVariant[1]); 3 }$ R: m7 l2 n0 T
pokeVariant[1].vt = VT_BSTR;
$ T. Z' x+ X; ~; }( h3 U pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");
9 Y# s" k* z' ~1 @ VariantInit(&pokeVariant[2]); 2 {% Q0 v7 u0 e+ [; `
pokeVariant[2].vt = VT_BSTR; w* R4 L' S$ Z5 S7 Y+ u
pokeVariant[2].bstrVal = topicStr;2 b) f. A" D. C( j9 U
3 Q! ]5 b$ ~4 i// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;
4 I) `( [9 ]$ Z- z. k: [ dp.cArgs = 3;
$ G3 d0 I4 ^" _; M) U9 i9 Y dp.rgdispidNamedArgs = NULL;' \$ D1 x8 p6 z# \, \ x9 A
dp.cNamedArgs = 0;; v" P k$ W1 e9 {- d6 }) ~+ \ j ]
3 ]8 d' d9 b! l& V1 v& m% i// Call IDispatch::Invoke()3 v& f* l" R* r p& B' s
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hr = m_pDisp->Invoke(* |6 i% i% u+ ] V* Y% F, Y
pokeID,$ p4 G& `9 y' G2 g* Q
IID_NULL,$ W `2 O, D W" u
LOCALE_SYSTEM_DEFAULT,
/ x; m! K2 t/ O/ J; p* M8 \ DISPATCH_METHOD,
; h5 `7 y4 g& o# b &dp,
; p& ^4 K6 M4 J0 r& o NULL,
3 d. c# }1 F! e* K0 ~4 w. A &ei,7 ~, r; J, O. U2 O- |% [" @* b
&uiErr);1 h9 U5 d. K7 I7 `! C# ]' } x% D
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SysFreeString(topicStr);& I% z4 G3 o- o* Y7 x
SysFreeString(itemStr);
! K7 F) Z2 V" N8 R! K SysFreeString(valueStr);$ t1 u$ ^' W6 L
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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???
7 F! z# @) l1 q, x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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9 z) u6 X; P9 K% v2.这是request的程序! e$ f; V" C. c% l6 @6 [
// Request a value from Extend: z& i6 y# V2 R3 C- l; Y! O
//7 k2 g7 `$ v+ `% e7 e* X0 T
// Initialize the variant that will hold the BSTR. Set the variant's& f1 _9 H6 B i* i, h/ |
// type flag to indicate the fact that this variant holds a BSTR. Place the
" D/ a* t& y# j, I/ Y+ V// BSTR into the variant structure.
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2 M6 J( J" H2 { p+ g D requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
3 v, I- b# h' G+ [6 r VariantInit(&requestVariant[0]); # W# z; r6 x2 Y$ O8 n
requestVariant[0].vt = VT_BSTR;
& o* B. r+ v5 K, F7 R& v9 ? requestVariant[0].bstrVal = itemStr;
+ j0 h: ]& B. v2 X
5 D$ P$ c7 t* A/ x3 k topicStr = SysAllocString((WCHAR *) L"system"); J. P! h+ b5 |9 v' l+ h- Y! N3 S
VariantInit(&requestVariant[1]);
W# v5 H+ T* D requestVariant[1].vt = VT_BSTR;) x+ R* E+ i2 y/ s4 h
requestVariant[1].bstrVal = topicStr;3 `7 o; | R; i/ {6 G
# v+ \" L) O. V' D, b; O// Set the DISPPARAMS structure that holds the variant.9 t' O( w: w" I( V4 ~. k
4 n( C3 ^1 k! P2 H0 }* p7 \ T dp2.rgvarg = requestVariant;. M0 M4 N# i& ]6 c1 |
dp2.cArgs = 2;9 B% K+ U8 M; b' t
dp2.rgdispidNamedArgs = NULL;
# p2 y. _4 N0 k* O dp2.cNamedArgs = 0;
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, G! S, y( r, K0 ]* d% E var.vt = VT_EMPTY;
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$ \8 c- {# e- G3 Y- S% z// Call IDispatch::Invoke()2 z- E+ j# {/ ~: _4 u
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hr = m_pDisp->Invoke(
& j1 M& i& l; C5 I requestID,
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: L4 {/ u! l, R7 t( ^. e. t LOCALE_SYSTEM_DEFAULT,' \* u. r9 a# F1 q7 _9 P' o
DISPATCH_METHOD,
$ s) u$ J* L/ R0 V &dp2,
+ m- U1 J- b3 R4 J; c' H &var,, m, ~+ ]% s5 I) f( _: h
&ei,
( j+ @) I( z1 D6 M4 |; e1 C5 E% D$ g &uiErr);
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SysFreeString(topicStr);
7 G( N k4 k y5 B* p$ x3 b SysFreeString(itemStr);
# g ]5 Z, T! b2 u( ?请问该程序是获得extend里面的哪个值?9 d! @/ _% n- v3 O* x
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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