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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:
8 t7 o4 a- R* ~! S1 }! f! C2 e! hName = (WCHAR *) L"Poke";
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% y. p9 b; m) B b2 V2 \/ n hr = m_pDisp->GetIDsOfNames (0 J! i. I$ A$ p0 ^' k5 ?, L
IID_NULL, // reserved
) }$ n9 \+ r+ w- f0 V! Q& f &Name, // Array of names to get IDs for
/ r# ]$ { s4 G7 h0 p9 d- ^ 1, // # of names in the array
9 u. M: ^0 W2 v- { ^' Z6 j: G LOCALE_SYSTEM_DEFAULT, // System locale
4 S- |$ ~) D5 W* t# h' v &pokeID); // Array of IDs to fill on output
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' D2 @! C' Y! ^" d' ^ if (hr): w7 b, p( C2 r5 c4 w
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MessageBox ("Get Poke Unsuccessful");2 Y; S' q# h( ^
return;
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$ E( _9 @2 q6 v3 w2 w8 v! a" J2 R; Z/**************************传递数据给extend**************************************/
3 [) f! \. _7 L pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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valueStr = SysAllocString((WCHAR *) L"1232"); F4 F+ }4 w+ ?. i4 H" Y/ z
VariantInit(&pokeVariant[0]); + _6 q# ~) M' b
pokeVariant[0].vt = VT_BSTR;
4 O4 [ P" R9 c2 I pokeVariant[0].bstrVal = valueStr;
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");: b* A+ o* A: e8 L& h1 O) u: g: F
VariantInit(&pokeVariant[1]);
' I- Z! V% @' H9 j pokeVariant[1].vt = VT_BSTR;" Q' p s9 v8 ~; C
pokeVariant[1].bstrVal = itemStr;# W5 ?9 w2 w* a4 S( Q7 t; J
8 @* c; B0 `0 j) M* ^8 X topicStr = SysAllocString((WCHAR *) L"system");
% Z. i. E5 `' S1 k& G VariantInit(&pokeVariant[2]); 0 m( N2 b1 B1 t
pokeVariant[2].vt = VT_BSTR;
, x* l! p5 j& q+ t( p" S9 P pokeVariant[2].bstrVal = topicStr;
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// Set the DISPPARAMS structure that holds the variant.
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dp.rgvarg = pokeVariant;1 }) [$ v6 X" k
dp.cArgs = 3;& G/ Z$ f( R p( z! n# }
dp.rgdispidNamedArgs = NULL;
: Y' r1 F# G4 i3 ] dp.cNamedArgs = 0;
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* L& C/ Y; ]( f; s! D# s// Call IDispatch::Invoke()9 d1 R- t% c1 a" T0 O! }0 q
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hr = m_pDisp->Invoke(
@5 F1 @( M2 a4 \ A( k2 t) _ pokeID,
$ |( X( A9 w- x# Y% B+ K/ s IID_NULL,3 r6 N# x$ [7 F, t# V5 \6 f
LOCALE_SYSTEM_DEFAULT,/ r0 p2 l: M/ Y$ {" m, \
DISPATCH_METHOD,' z5 L/ }- }4 q& A v$ M
&dp,
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&uiErr);
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/ k% _' n) H4 T1 ? SysFreeString(topicStr);
2 Q& [8 n* E; O8 n1 P SysFreeString(itemStr);
S4 k- z# K- p' a$ R9 Y SysFreeString(valueStr);
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$ ~4 S' ^+ o! r4 V# m$ A0 _8 {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???. n q3 ` p+ V1 v/ 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 `1 U% H) L- x) d2.这是request的程序7 o1 [" M1 M2 z, @( V5 B' I0 Q7 L0 l
// Request a value from Extend) ^ J8 D8 J5 h1 b6 b) B: ^3 b
//
: V" B7 H: @2 r2 v6 u// Initialize the variant that will hold the BSTR. Set the variant's
1 A, F7 v, G J/ o& s# i' a7 k- X// type flag to indicate the fact that this variant holds a BSTR. Place the
( f! U7 m7 h4 F// 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");& ^+ z: a/ F) i& L
VariantInit(&requestVariant[0]); , ?; v4 P7 | @8 U
requestVariant[0].vt = VT_BSTR;( `# D% s& Q3 \; k% G, r
requestVariant[0].bstrVal = itemStr;4 ?2 t* M6 ], u6 }, A3 G9 T( O9 P/ T
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topicStr = SysAllocString((WCHAR *) L"system");# l+ O8 S* R4 \7 U- i1 e
VariantInit(&requestVariant[1]); ) _. n: J) Z. o/ e, S/ m1 h" X
requestVariant[1].vt = VT_BSTR;1 }4 {, Z, Z" C4 {: ], n1 N+ P9 e
requestVariant[1].bstrVal = topicStr;# U7 w3 U) E7 @9 Q) ]" \
- k: Z3 @1 O4 I2 V. A// Set the DISPPARAMS structure that holds the variant.3 f0 n( ^8 \' d+ k+ h. j2 M
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dp2.rgvarg = requestVariant;
3 n) y/ z5 K+ ]% C2 U+ u+ q dp2.cArgs = 2;
$ A2 F) T0 `: x3 d dp2.rgdispidNamedArgs = NULL;' f8 t$ o' J6 o. K# M
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;! ^) ^ Q* m1 U9 N& `! x. `
) A% }6 h8 T/ R" a// Call IDispatch::Invoke()7 Y. Z3 y7 R7 x8 z+ x
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hr = m_pDisp->Invoke(; m" Z6 p& z$ D0 B; O1 } O
requestID,
# ^! L" L( u3 V IID_NULL,! r4 c$ W9 d4 B5 A5 q9 x4 v
LOCALE_SYSTEM_DEFAULT,9 z" o* @& V6 ]9 h! k, y
DISPATCH_METHOD, O, s, s' j8 ~3 S8 k
&dp2,# y5 o" f4 J9 `8 T
&var,
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&uiErr);
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5 J* F+ D2 Q% V x5 x$ I; g SysFreeString(topicStr);
/ O& u( R0 |( Q! ?/ |8 @' B SysFreeString(itemStr);6 v& Z2 f" x* w
请问该程序是获得extend里面的哪个值?
( @2 d: O& e0 P D( _" o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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