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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:9 q% V( X. {/ _, J
Name = (WCHAR *) L"Poke";
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3 I2 A0 p6 n6 T* t hr = m_pDisp->GetIDsOfNames (
: v$ A* v1 |8 {/ U. g IID_NULL, // reserved i/ ~- {* ]% a+ d- ^* m
&Name, // Array of names to get IDs for
& o' f( t8 F; h9 z4 a 1, // # of names in the array
: Y: F/ b9 d2 t9 T: j5 @ LOCALE_SYSTEM_DEFAULT, // System locale! D& Y( l) F' P4 S, z. i$ |
&pokeID); // Array of IDs to fill on output
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1 }9 o+ p% q, U, K if (hr)" D5 P3 U ~2 i9 L8 l
{4 v, Q! D" T+ ~' l/ m
MessageBox ("Get Poke Unsuccessful");
# k8 ?5 D! b5 a# G: k# C M$ z return; Y- w0 p5 G$ j
}
9 b' o, m% M5 e* o! F
; J+ P) X" @$ r4 F' r/**************************传递数据给extend**************************************/
. ~) p3 Y1 T2 m2 H# t% ^! w pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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# s$ N C4 J( m. j, P# g valueStr = SysAllocString((WCHAR *) L"1232");
# U" a! C0 [" ^( R e VariantInit(&pokeVariant[0]); 8 Y7 G2 d3 X4 M
pokeVariant[0].vt = VT_BSTR;
9 B9 y. b" t( z* q pokeVariant[0].bstrVal = valueStr;8 I- T/ p3 l* i$ N" X8 i9 W. |
3 q# f7 T# R' W0 `' f itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
# u$ v% C0 ?3 u- I VariantInit(&pokeVariant[1]); " |4 }7 z6 H o( Z2 i
pokeVariant[1].vt = VT_BSTR;
1 ^( C9 y1 q7 f$ A" Y pokeVariant[1].bstrVal = itemStr;
+ K$ J1 E0 B5 W" x. k1 G0 \8 z8 k! R* }
topicStr = SysAllocString((WCHAR *) L"system");
0 c# y* Y3 v) l7 U9 l/ W VariantInit(&pokeVariant[2]); R. t/ M2 H* O. c7 k
pokeVariant[2].vt = VT_BSTR;
" X% X5 M9 n; q& } pokeVariant[2].bstrVal = topicStr;) F# Q& v6 m$ |, N
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// Set the DISPPARAMS structure that holds the variant.! W+ V8 N2 ~0 I
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dp.rgvarg = pokeVariant;
) w: Z0 H5 t5 A5 }* x dp.cArgs = 3;4 r3 S: K4 y! [. Z
dp.rgdispidNamedArgs = NULL;
5 y& P+ y: c7 N( e2 G4 m: [* { dp.cNamedArgs = 0;* y8 ?8 u4 i- [" G5 J6 N
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// Call IDispatch::Invoke()3 M8 V1 J X& l
/ M( ?! ^, Y1 h3 P+ o hr = m_pDisp->Invoke(
* n g* ?- C" Q* s pokeID,
# [/ d P8 z: Y( {# G0 i' x2 | IID_NULL,, e/ I: v+ q9 k0 J" I1 t
LOCALE_SYSTEM_DEFAULT,
- a; a" G& S* V. g1 t DISPATCH_METHOD,
b( a. P" T4 ~ &dp,
( r/ w4 \% c& z NULL,
3 E7 v0 }: W! A) W8 L7 C &ei,
) Z! ?+ R7 n2 [, N &uiErr);
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7 |$ E$ ]$ E9 u0 D SysFreeString(topicStr);
1 q$ f0 c v& Q E/ } SysFreeString(itemStr);
5 r" s, F0 D) N SysFreeString(valueStr);
! y/ c/ T7 ^3 _3 ^4 a( D
) v: K% ]0 D) M& y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???
' o+ I! ]- H, ~* c2 M' C: ~1 B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????2 W- ` Y% T' e! m
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2.这是request的程序" d* X5 [$ r- x/ f4 w
// Request a value from Extend
, ?& u! v2 b1 E" U+ N/ h//
4 j, Y6 a: j5 i; H: K. ?// Initialize the variant that will hold the BSTR. Set the variant's
5 f M2 {4 g" Q: h3 X% u% l: ?, w// type flag to indicate the fact that this variant holds a BSTR. Place the
: D+ P( a$ {/ w$ M" R0 ^% a. v// BSTR into the variant structure.
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);$ Y; |7 S4 @1 u7 [
, }. V6 f! [) A) S0 |) _
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
9 ]" M: ?) H( }1 M' J- v VariantInit(&requestVariant[0]); - R5 H8 K$ S% z; X. J: F4 r
requestVariant[0].vt = VT_BSTR;
7 ~' v8 h+ h* U t* ^ requestVariant[0].bstrVal = itemStr;
$ H! v; @: q4 z4 F' F1 z# ?/ w, @/ E5 H9 D
topicStr = SysAllocString((WCHAR *) L"system");: s8 }; d; Y: u6 k( ^
VariantInit(&requestVariant[1]); 6 L3 g6 C. y: J# t6 P. i$ K3 E: U( P
requestVariant[1].vt = VT_BSTR;
0 J+ \; @: I8 I$ @1 E& N requestVariant[1].bstrVal = topicStr;8 n; y: ~# a+ t3 s0 R% a _
( k* n% h8 b* C( B4 y- b// Set the DISPPARAMS structure that holds the variant.+ x* {3 z3 c/ q4 |0 S
. U2 [; ?5 a* o9 S$ {8 S; b1 U6 Y
dp2.rgvarg = requestVariant;" E0 R F5 _$ C' S
dp2.cArgs = 2;
& Q3 m- i& x1 q% {6 [4 c" Z: u6 c dp2.rgdispidNamedArgs = NULL;
7 Y# n, I! k- i. L- ?) f dp2.cNamedArgs = 0;9 F+ b3 W; t5 \7 F
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var.vt = VT_EMPTY;
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// Call IDispatch::Invoke()
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8 z- ^ E4 A& ^( a2 V hr = m_pDisp->Invoke(* C# I3 f5 S( I* I' ~, l# q3 }
requestID,
2 t3 w0 E+ J" w1 { IID_NULL,/ B |' ]' i9 N: _1 G1 v0 G. ^
LOCALE_SYSTEM_DEFAULT,# x0 o3 g! k3 S/ q
DISPATCH_METHOD,
. y* G' R% M( y# B4 Q x% p &dp2,
7 I- r; I+ X- ]3 p &var,
5 q( s$ }( k7 x* v4 I &ei,
$ c' H! y1 Q. `% x' ^ &uiErr); @9 c* i2 z8 `
* |8 e$ r2 s% l# s' Y3 z( d' x SysFreeString(topicStr);# U7 i7 b. C8 l, `7 O9 c' Q6 b
SysFreeString(itemStr);
' J/ W* f% {6 Q v* @' L请问该程序是获得extend里面的哪个值?
: L) y8 t8 o4 M) w8 u8 U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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