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: 6 W$ f3 V( F' s- y, t9 \Name = (WCHAR *) L"Poke";1 S+ U L* c, I& x. [( E! t
1 ^( |- I! S; N hr = m_pDisp->GetIDsOfNames ( ; r; M2 }$ X. A; k7 k4 M IID_NULL, // reserved v; n; H7 ?" v# j4 b4 g
&Name, // Array of names to get IDs for+ L$ n" a9 h, k) z; |1 ~2 B8 F
1, // # of names in the array . t7 b6 |0 X. W' Y7 K; b1 T LOCALE_SYSTEM_DEFAULT, // System locale& ]: s% e8 x J% d. R2 I+ c9 u: i3 f
&pokeID); // Array of IDs to fill on output 8 j" R: r/ }! ?. ?) a2 [$ \ ' E# r( {/ W4 F
if (hr) - @) _8 B+ n- m, Z% O! B0 f! ` {: S5 ?5 U# P9 c2 ]: h
MessageBox ("Get Poke Unsuccessful");5 W1 l" e+ z1 G, u K0 G0 s* f
return;8 Q, t1 i! d( ?8 F4 g/ I& B
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/**************************传递数据给extend**************************************/ ( n( ]5 n. a) [1 ^9 }8 e% h pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); $ \* ]1 \9 U6 B/ U 7 ]/ x* k- Q8 C2 v% T' k8 f; f valueStr = SysAllocString((WCHAR *) L"1232"); " z, y3 ~& N8 b2 T4 z* x8 a- T* ` VariantInit(&pokeVariant[0]); 5 ?2 Q4 w, |. d: W" z! w* G
pokeVariant[0].vt = VT_BSTR;/ k. @7 L+ }* ]3 o
pokeVariant[0].bstrVal = valueStr;9 m- ` I# h6 y! D, n8 E3 ~* \
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");4 v; N3 U3 X5 e
VariantInit(&pokeVariant[1]); $ G, C1 C' a. A: x$ R
pokeVariant[1].vt = VT_BSTR; B" d9 p; a9 i/ l' i, Y pokeVariant[1].bstrVal = itemStr; . h9 k! I* v, P6 f1 d* _( h4 H. k3 J" z! U
topicStr = SysAllocString((WCHAR *) L"system"); 6 T7 E# P( R. O5 A2 I: s VariantInit(&pokeVariant[2]); 0 }9 l: S8 e1 G pokeVariant[2].vt = VT_BSTR; 9 W% u+ O# H, k6 } t' m7 E1 Y' F pokeVariant[2].bstrVal = topicStr; - N$ V* C: h+ W+ S, f7 a. ], H$ n; M0 @" y) j0 j4 C/ X0 B
// Set the DISPPARAMS structure that holds the variant. % ?4 O" @$ w5 }; i" o" w: v9 u) W; v* I8 n
dp.rgvarg = pokeVariant;# |6 F% g' h/ ^5 w/ @
dp.cArgs = 3; 2 A" e5 m3 Q! Y6 | dp.rgdispidNamedArgs = NULL;% H% F2 v) u2 M A$ m* d6 t
dp.cNamedArgs = 0; ; L# u. B, Z1 p% j4 b+ p0 [, c9 _" t v) u6 m5 U
// Call IDispatch::Invoke() # ]$ y* a2 M, p7 V( U2 o* _1 [: Q
hr = m_pDisp->Invoke(6 [' i8 Q% F" l) k! D% ~: e* X+ ~9 E. x
pokeID,8 @! [0 L$ i7 X1 T6 s
IID_NULL,, ]0 N$ S* t6 `* X( @
LOCALE_SYSTEM_DEFAULT, + h; {8 h" j6 Z+ a4 j DISPATCH_METHOD, + L/ Y3 l* s+ O &dp, 1 {# t% e+ z) }: j2 ? NULL, " q& F, l, t% D$ k; E &ei,: r2 m6 G9 v. H+ } n
&uiErr);& c6 W+ j% E1 z1 g% O" m
& ~& N" d. ]) J SysFreeString(topicStr);' |/ A! Y- S2 a* K
SysFreeString(itemStr);$ u3 X6 y r* x; S ]
SysFreeString(valueStr); 5 Y' m0 N: d) i7 z! D* x : n% t1 p" x( d( \* G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???, [5 F! l8 p. u% m1 w$ a
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???? ' ^$ C; n$ A" A; C# R: l : y7 E/ j$ Z; f. E + d. f' K7 r0 v: s \) ?4 Q( [2.这是request的程序% A9 ?& [8 S! p" X7 }: p4 n- Z' E
// Request a value from Extend - |( V$ I3 ^' m6 U; C" s//: E; |+ u8 \2 }- q" i9 b" ]
// Initialize the variant that will hold the BSTR. Set the variant's / m' f0 h. X& E* R// type flag to indicate the fact that this variant holds a BSTR. Place the+ F" d1 E+ A- G4 ?" J! N
// BSTR into the variant structure. ) j, r) V1 W6 O% q8 T# y6 b3 c/ v- c+ c' J
requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);/ j8 P/ D# J: W: b- \9 I