: H$ K, t0 r5 c3 `; ] _7 S0 |+ p2.这是request的程序 - U7 W h/ @1 }; H5 ~// Request a value from Extend$ q/ h( C: ]6 m- T
//, B, M1 @: t* O, \0 ]# e. f* }6 K
// Initialize the variant that will hold the BSTR. Set the variant's! s+ @1 }) h2 x) P
// type flag to indicate the fact that this variant holds a BSTR. Place the, O/ Z# N. Q/ d1 k0 y: D
// BSTR into the variant structure. / n/ O1 ~* y5 v" e" O4 z 6 M' e. H/ C* T! Z5 f C4 V4 E requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); # f* \1 S0 |; _8 k7 x& J; z: K . i( w. c- y% {3 b( l6 { itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); , O7 b% W+ w$ [% W! C VariantInit(&requestVariant[0]); 4 e) k& \' _, \ t Z! L0 S* Z _5 G requestVariant[0].vt = VT_BSTR; & a& j; l1 C0 { requestVariant[0].bstrVal = itemStr;6 }/ U. J4 u% P1 R+ p9 g5 t
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topicStr = SysAllocString((WCHAR *) L"system"); : [6 t+ u$ w- u' p. e( E, y VariantInit(&requestVariant[1]); 9 v' S& \2 \! }
requestVariant[1].vt = VT_BSTR; 9 Z6 u6 b: O1 Z, l requestVariant[1].bstrVal = topicStr;5 B) u. M$ k; s2 w' |2 q/ P
; V4 Z, H3 g2 v" ~// Set the DISPPARAMS structure that holds the variant.& f1 q, s) U" h- |2 N
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dp2.rgvarg = requestVariant; ' Y: @+ w% K, q$ b+ O2 o dp2.cArgs = 2;7 Z. M- S9 r; Q3 {. O2 [0 N
dp2.rgdispidNamedArgs = NULL; n3 T4 F3 _! S6 E
dp2.cNamedArgs = 0;+ p3 f8 Y! S; p( h, k( q0 }& i/ [( A; k
( P/ x/ \. j6 V3 }+ w var.vt = VT_EMPTY; % {' c+ l% A- ^3 S, t1 p/ n: x7 E* j2 ^7 T$ O. n2 _) c
// Call IDispatch::Invoke() + r" N4 K5 y- q# W( Z ! D: O1 x" J8 K3 Q! k* f+ l hr = m_pDisp->Invoke(9 J9 D% \/ @: d
requestID,6 |) \7 x2 |+ ~% W
IID_NULL,& ]9 z3 c/ w! z- i& C) w. w
LOCALE_SYSTEM_DEFAULT,% l: u% X; `7 [4 d" |' L1 ~
DISPATCH_METHOD, 0 G" l ]; X" D/ g( r6 Q. m" H &dp2,3 D$ B; f; ]. R% c
&var, ' M8 p% Y* i. J7 l+ w+ A( ^2 S2 X &ei, # u/ e( M6 r+ R* Y &uiErr);. @1 R. i P5 @" Z9 V; k& X
' u" N! ]) h0 R' h* K* _- l. n: G SysFreeString(topicStr);2 Y" y0 r6 w* L& c# y
SysFreeString(itemStr);3 u: i: s% [, a7 g" t
请问该程序是获得extend里面的哪个值?9 u2 I. r8 @1 A
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????