5 |8 f. Y! J$ [$ {. J8 d0 O) b2.这是request的程序 ! e( N% s4 [5 F4 @// Request a value from Extend8 g; [* T1 X% z1 V+ F: x; b1 ~
//6 ?+ h3 ~+ E7 e( F
// Initialize the variant that will hold the BSTR. Set the variant's $ y! l3 }) m0 ]) b C& E" V// type flag to indicate the fact that this variant holds a BSTR. Place the $ C" z8 Q5 B: E+ r3 A, k// BSTR into the variant structure. / A+ E( d6 E) D1 ^6 I ) J2 w8 a$ v# u7 \- ^ requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); ! r. _% @2 q" K5 o% R Y 2 n/ g* l4 J7 h itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); $ u6 f$ w+ ?( Z VariantInit(&requestVariant[0]); / O2 l% ]0 D- J+ t; R8 \1 q
requestVariant[0].vt = VT_BSTR;& x8 Y. h9 y+ V
requestVariant[0].bstrVal = itemStr;* W/ Z4 S" z% `+ W% i
# a# W D* R# k( H6 J topicStr = SysAllocString((WCHAR *) L"system");7 e+ Y. S' K- i. h* x b! M
VariantInit(&requestVariant[1]); 9 F- }+ n8 \9 c& O
requestVariant[1].vt = VT_BSTR;+ k" u# n. O) }2 U* D
requestVariant[1].bstrVal = topicStr; 8 [% M4 }+ Y+ f7 i . C3 x8 N' E ]9 Y- _; ]// Set the DISPPARAMS structure that holds the variant.: r G; P; k6 z) Q: q& |( X
! g" d9 r8 @* s. c7 h dp2.rgvarg = requestVariant;% e, f- M t2 }6 h5 n+ v
dp2.cArgs = 2; 9 n) m" v) z8 m% K# |$ V8 l# B3 a dp2.rgdispidNamedArgs = NULL;# |$ _+ M9 _- {0 v
dp2.cNamedArgs = 0; 4 c$ K, [ H1 h8 U- ~2 Z7 D ) y4 ~4 L% t5 s var.vt = VT_EMPTY; ' y3 x% y; }) r6 j$ V/ a! {! l( h7 i7 O8 f) q
// Call IDispatch::Invoke()* s6 h. w: y7 q% L* u3 p2 \" K
|# Q/ m0 X3 H5 X' |) J hr = m_pDisp->Invoke(5 a; X2 G! F( \) a
requestID, 2 ?+ n+ B' C% y( T1 Y IID_NULL,! W8 l. P9 [5 @5 P+ X8 d L
LOCALE_SYSTEM_DEFAULT, 4 N% L; W: c1 W# C$ \ DISPATCH_METHOD, ( o" b; g. M- z' A &dp2, ' P, C8 h( `$ B &var, 2 a) J* w3 X. X: f/ z2 n, I. P &ei,% z" H7 l+ k1 F* d, O0 k% Y' l; D1 i5 N
&uiErr);1 ^9 c* _& D5 L! [" j
+ q( a7 _* n& M$ }1 m
SysFreeString(topicStr); I$ Q" V4 n0 l- | SysFreeString(itemStr);* J; g: i! r" L9 b" M3 n0 `4 k
请问该程序是获得extend里面的哪个值? 8 y0 L! j C# h7 V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????