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:3 _" s" b: p* ]6 N, K8 t ]% [; Q
Name = (WCHAR *) L"Poke";. O K" D/ w z5 B. z s
& X1 z) g. H5 R. I* h hr = m_pDisp->GetIDsOfNames ( 5 p0 b, @& ?6 g& l4 g- Q& q8 v% B% Y IID_NULL, // reserved* @$ \0 h2 t5 U1 \& S5 S. ?; b
&Name, // Array of names to get IDs for 1 V/ A3 U6 H$ @! H( [7 Q 1, // # of names in the array4 y; F$ g$ B# k0 F
LOCALE_SYSTEM_DEFAULT, // System locale' b+ t& w' Y5 c
&pokeID); // Array of IDs to fill on output; E9 V: y* v7 R, u( x
) Y# W# D6 B8 y' D* |4 ~/ M" A1 H if (hr) $ q6 K$ R- w4 Y; _- T& t {+ Q- \5 A8 G. L& M& _
MessageBox ("Get Poke Unsuccessful");& N! Y' G; X) ^3 j! z) h, N& r
return;: N: m j r2 `2 c$ n# y
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/**************************传递数据给extend**************************************/% m: W" ~( l( @& g& I2 A
pokeVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *3); 0 T8 a X- u( g6 z3 u 8 n4 l( k: `9 n4 ~" ~) } valueStr = SysAllocString((WCHAR *) L"1232"); 7 [( J1 a; V" I+ |+ v% W VariantInit(&pokeVariant[0]); / z! f* z. Q2 V2 I
pokeVariant[0].vt = VT_BSTR; % \/ D5 `) m) ~9 s$ m pokeVariant[0].bstrVal = valueStr;6 e7 F# M9 r3 r" }4 I
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");1 p# r# \( h5 |. m7 [& X) o9 B$ f
VariantInit(&pokeVariant[1]); ; X! [0 z% \' y5 p q# C
pokeVariant[1].vt = VT_BSTR; ! O _3 e* }- b/ b pokeVariant[1].bstrVal = itemStr; - S+ ]1 \) P4 P! t! G: S 3 A) P# e8 r5 }" y topicStr = SysAllocString((WCHAR *) L"system"); $ q0 {; B7 _' u& } VariantInit(&pokeVariant[2]); 3 z; W6 _* O- c# ^5 e' x pokeVariant[2].vt = VT_BSTR;* G& x$ U' w* E3 z- l0 n
pokeVariant[2].bstrVal = topicStr;" J' ^% Q( M9 l+ w# s
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// Set the DISPPARAMS structure that holds the variant.' g, b* L0 ]( k" h% `2 l* C
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dp.rgvarg = pokeVariant; 6 x) c2 u: E6 L- _5 r dp.cArgs = 3;! [: J( T$ i- L. l0 i
dp.rgdispidNamedArgs = NULL;# F& _4 p3 E4 ?8 t8 ]) ^
dp.cNamedArgs = 0; 5 h4 h" T2 L/ H& }; X & a6 n/ W! Y5 ~1 {& [// Call IDispatch::Invoke() 8 J1 \# u1 a, _# ]" @( v * ^& {( z% a/ P: f hr = m_pDisp->Invoke(. U' {& L+ I, K$ F
pokeID, , w* x( B5 I9 l2 w3 y* z$ D- v IID_NULL, ; B2 p S/ s$ t; a. _ LOCALE_SYSTEM_DEFAULT, ' [' G' A- u- ~7 n9 h9 t4 B DISPATCH_METHOD, X5 H2 m6 T3 N5 Y &dp, 7 R- V: g; t; z0 F) B5 y8 N4 _4 R; f NULL,5 M4 t1 G. p) Q' L! E/ B% }
&ei, * X7 m9 Q0 s/ C& G7 s, d) m &uiErr); 4 _+ |0 x q, z) M5 x1 G) z3 u; l % P' t5 M1 v0 R5 U$ ^, o* z* J, H SysFreeString(topicStr); + H- ^! j; w& L6 N# d SysFreeString(itemStr); ( u- I# C6 t& b4 A% R. O SysFreeString(valueStr); ' j5 { R6 t) Y6 l/ m; A4 m) w6 c( f( P& y6 B
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??? 4 n+ O% f; ]5 E; @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 ?% M" H% y' e0 b
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2.这是request的程序2 j/ v) Q1 l Y2 r) T' R; j8 B5 _
// Request a value from Extend 8 k- x, a! T- n6 c1 W5 }1 x. d5 v) A//% L' a# k3 S# n# s- Y
// Initialize the variant that will hold the BSTR. Set the variant's) I: U4 q" C( E. a% J( }, h
// type flag to indicate the fact that this variant holds a BSTR. Place the $ M2 E7 W* E& ] c4 c9 D0 S; P// BSTR into the variant structure.1 ]. H& `4 u, t( G' T
! Q) u3 Y$ z; }- O- J- R) v+ f& n requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); # d5 c- |4 t5 @0 C( j - R+ l" V' f% [& y; l7 A7 } itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 1 Y+ V: V; d; g* T" i# y VariantInit(&requestVariant[0]); ' t! }: r+ Q" K* V1 q5 ?: B6 } requestVariant[0].vt = VT_BSTR; X" _4 ]4 N/ ]0 t$ }5 A& o
requestVariant[0].bstrVal = itemStr; ( j* \+ y- g) q4 [9 g& M& v1 D 5 n, V! z0 i6 d& U6 ^ topicStr = SysAllocString((WCHAR *) L"system"); " H7 H' ]) v' k VariantInit(&requestVariant[1]); 3 ?; O! \# _7 `) G
requestVariant[1].vt = VT_BSTR;9 B( H1 Z2 E) F. w$ ^% n0 `
requestVariant[1].bstrVal = topicStr; : M& a' @9 l! ~% g. R r9 h+ I % k X5 P$ C6 w4 H// Set the DISPPARAMS structure that holds the variant.* b6 f' s5 m0 G$ Q