0 V- K. {' S5 Q7 }- j6 R6 P2.这是request的程序9 f$ ?% u) ?, y: ^- Q" c
// Request a value from Extend; X$ `* |% L' J8 b9 _' a
//7 y% w9 Q1 a8 N# u! M# W
// Initialize the variant that will hold the BSTR. Set the variant's" F6 m- ?+ o5 {$ v4 N* {& H
// type flag to indicate the fact that this variant holds a BSTR. Place the# {9 r6 N5 @4 g/ C
// BSTR into the variant structure. 5 O7 {- B/ H8 X# J * R7 S9 H+ R7 H3 d# [" e* \ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); + i# c3 m0 q) F& ?2 A0 l 8 W" _3 {. Z* X itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); 9 b! |" l$ n5 z a. G) K2 J# h' K VariantInit(&requestVariant[0]); - t* E% ~4 I' E& [$ V: E0 F; {
requestVariant[0].vt = VT_BSTR;" C' C' k& u! t- _$ J N
requestVariant[0].bstrVal = itemStr;5 q) t1 k' f8 l {/ k
+ @. g+ y+ S; \+ g9 m topicStr = SysAllocString((WCHAR *) L"system");1 f2 u* S' }4 b4 s4 X! l, [
VariantInit(&requestVariant[1]); 5 ]: ~- Y+ F5 |7 h9 U" M& Q
requestVariant[1].vt = VT_BSTR; : E9 b/ m' V5 ]5 z requestVariant[1].bstrVal = topicStr; ( R0 v; X$ R$ Y+ x% ] ]; Y4 a4 |1 D % L9 E1 x! B2 y" P/ R, O" n// Set the DISPPARAMS structure that holds the variant. % }: p+ {! O) f; R1 x 4 e4 s- A5 @; Y1 V L) r7 u dp2.rgvarg = requestVariant;- y+ V6 {! X4 t7 ~+ I h! J
dp2.cArgs = 2;" a4 o* N9 A( u7 U% ?0 A
dp2.rgdispidNamedArgs = NULL;1 u! [6 f9 _+ [4 Q
dp2.cNamedArgs = 0; 0 R( T8 h8 J% e" o" S; m. ~3 F, M" G0 D, s
var.vt = VT_EMPTY;0 R% V( G; Z. F# C
! d4 Y, O: t1 X' c# L// Call IDispatch::Invoke() ' V0 G. k+ w# Q) u P. S3 A2 C6 e ; W! Q# X- {* \2 H% X. V hr = m_pDisp->Invoke(+ u& m- A7 L: K" O' _
requestID,% f) w. n5 K( P' w
IID_NULL, 2 K. p8 W' Y8 h; Q% M LOCALE_SYSTEM_DEFAULT,7 Q: t( v9 k2 i4 P( E5 v
DISPATCH_METHOD,( P6 b1 w: G: j9 Y* T( J/ ]
&dp2,) \4 S0 E u" ~2 M
&var,8 k& R1 t8 a4 L6 P4 h
&ei, # c* u5 a" T' ^/ _; ] &uiErr); 7 K' C2 U4 b# ]& X- b |+ S+ W( q6 i K8 X/ T
SysFreeString(topicStr); 5 X( f' Z" v/ D SysFreeString(itemStr); ' ?, w& p: Z$ e' |' m/ Y! {0 n请问该程序是获得extend里面的哪个值? ' s7 i* D7 H( z' 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????