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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:, y( n8 f0 q0 T( p
Name = (WCHAR *) L"Poke";6 L4 N9 J9 x6 C
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hr = m_pDisp->GetIDsOfNames (/ x6 w6 n/ D9 ?% k s) x. n
IID_NULL, // reserved
4 _. ^! ]2 k7 ] T' e7 e0 k0 V &Name, // Array of names to get IDs for
0 p2 D5 b3 b) {4 V. w 1, // # of names in the array
$ e) v: r$ s3 r) ]+ _* t5 V LOCALE_SYSTEM_DEFAULT, // System locale
% j: _9 m+ C. d; P- Q# d* v! j &pokeID); // Array of IDs to fill on output8 U7 } C7 Z. b6 t6 B+ S2 p) Q6 [
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if (hr)
# y B: I+ q0 Y {
; f0 M8 u8 L! C O7 J) \; P! X MessageBox ("Get Poke Unsuccessful");/ v% P% P h, a& n4 D3 u; s8 U
return;
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8 l2 W7 ]3 S1 I: h, P, q7 x/**************************传递数据给extend**************************************/
6 y/ @& [+ y2 _. b2 X( w$ c pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3);
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- ^& u! G8 k! a4 `& }5 Y0 _% y valueStr = SysAllocString((WCHAR *) L"1232");9 F7 F( _: g3 W4 n$ z
VariantInit(&pokeVariant[0]); - O, g3 t$ z3 }/ |3 G1 p7 @3 m% [
pokeVariant[0].vt = VT_BSTR;# N$ r5 o8 C( E1 c* t* P0 }
pokeVariant[0].bstrVal = valueStr;
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- j5 e2 s4 I; a2 \7 H itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
- T) u+ `$ q# q& {5 [2 T( M VariantInit(&pokeVariant[1]);
+ z7 O; n* _9 f; y- q pokeVariant[1].vt = VT_BSTR;
# M. [: @' F2 r. k! G0 M, H1 B$ @ pokeVariant[1].bstrVal = itemStr;
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topicStr = SysAllocString((WCHAR *) L"system");5 j+ E$ ^. P6 }" s# D: }5 `
VariantInit(&pokeVariant[2]);
) U, P. Y. W- f( h! z, i4 { pokeVariant[2].vt = VT_BSTR;
# C4 |) M1 _0 k3 l+ b pokeVariant[2].bstrVal = topicStr;0 @# H0 M$ u4 p' v+ y
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// Set the DISPPARAMS structure that holds the variant.: R) B. [) r4 n$ w! X
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dp.rgvarg = pokeVariant;& Y6 E- W9 a* ?2 B6 `0 z" Q3 Z" T
dp.cArgs = 3;
4 s; M2 d) h$ R5 s9 a dp.rgdispidNamedArgs = NULL;
( e0 D) `9 V, T& h! u( s dp.cNamedArgs = 0;6 T3 p( C$ ~8 k
' G$ k/ v% e1 d& B, x, D: f// Call IDispatch::Invoke()) q. D2 x" T- M/ M
) W9 P9 f- a0 q$ J; p7 T* M hr = m_pDisp->Invoke(1 J- f7 m( ?! q6 |4 d4 u. `
pokeID,3 L& S7 S' d- S, ~3 J Z. B
IID_NULL,. f. \! O" z) p9 ]& J+ e0 O
LOCALE_SYSTEM_DEFAULT,
8 V9 _1 r% v5 n8 P3 k5 `+ P; y DISPATCH_METHOD,
6 S, J8 L! N( S- T &dp,
) A5 c+ l( n, ^7 |- N( Y NULL,9 Z& L$ [* U8 E& V# C6 f! G5 B5 f
&ei,
1 s1 j0 h3 _* _) X* w% ~ &uiErr);2 b4 ] W9 q) v5 b
2 V! Z8 H5 \& u0 J SysFreeString(topicStr);6 J* K: H1 W! |0 d1 J4 y
SysFreeString(itemStr);7 J- h' ~" ~8 ?# K3 {0 h9 \, w
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???1 D; v6 [) D2 l) t
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????+ A! Z3 f4 p3 m7 u
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2.这是request的程序8 _6 b/ a5 a0 e% W4 [2 O
// Request a value from Extend# o1 B8 W4 S& T+ ?/ s- s
/// V' p' `! s* e. k
// Initialize the variant that will hold the BSTR. Set the variant's
l0 [6 u! ` \2 L/ q// type flag to indicate the fact that this variant holds a BSTR. Place the
! z2 u0 Q6 @. R& B8 L) u; u3 b// BSTR into the variant structure.4 Q9 k' |# t2 v1 M, o: I
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);) E9 j/ U+ V$ @5 b" J3 a2 c' a' J, v
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");
7 Z( P4 ?4 P" w1 `# M VariantInit(&requestVariant[0]); 0 G' Z. {: ~( s) {+ F7 v) @4 K
requestVariant[0].vt = VT_BSTR;
" ~* S. z+ f' T6 g U. _( w requestVariant[0].bstrVal = itemStr;
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: w j0 q& }- ^ topicStr = SysAllocString((WCHAR *) L"system");
7 g* n0 l5 L4 B$ \ VariantInit(&requestVariant[1]); 9 J& o/ o7 m+ }5 r- x6 Z
requestVariant[1].vt = VT_BSTR;
% N7 P7 D2 |$ q% m3 K( v9 g/ s3 X requestVariant[1].bstrVal = topicStr;! S4 `# C$ ~( B! \: F! d- _
+ H0 M- m+ q+ s4 l// Set the DISPPARAMS structure that holds the variant.) _( Z1 J6 J1 Q( M: u0 C% D; G
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dp2.rgvarg = requestVariant;2 L+ s# J" P1 O( Y; A: G C
dp2.cArgs = 2;2 J. J, S3 x- d
dp2.rgdispidNamedArgs = NULL;$ D8 q, K% H( R
dp2.cNamedArgs = 0;
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var.vt = VT_EMPTY;1 V4 G; E' V. M/ j' Q4 j
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// Call IDispatch::Invoke()
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hr = m_pDisp->Invoke(* H! a( G& M1 L n
requestID," m6 c- W- B2 |- o" }
IID_NULL,
: P4 U, p7 b6 m LOCALE_SYSTEM_DEFAULT,
* K2 O2 j: N; l* ?9 t9 X DISPATCH_METHOD,
3 O. p% @7 J; q# k &dp2,
1 P* h: B0 e! G7 ?4 ?4 l &var,: H# f/ r! \+ ]: B8 F2 x8 D, S
&ei,
4 |8 a1 c% b+ L) m &uiErr); ]( H/ X+ l# o: x1 x. P+ a* @
2 N" e0 v% j' }& r8 E& u SysFreeString(topicStr);' a& v$ k2 H6 t3 b1 Y K8 i# C
SysFreeString(itemStr);
( A! h6 V* c, q! x V$ ? Z请问该程序是获得extend里面的哪个值?
0 |$ H! W' D) j" h$ F) s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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