8 }3 ~; e. t, F2.这是request的程序, O# c6 M ^9 U/ L2 s9 T: q
// Request a value from Extend- Y& g/ v/ m# z
// ; T9 V+ b! y' Q// Initialize the variant that will hold the BSTR. Set the variant's [. K7 M+ `0 x
// type flag to indicate the fact that this variant holds a BSTR. Place the& p! E( ^/ u1 D/ t Q
// BSTR into the variant structure. E: R. s; ^& N) ? q" m
6 \' P/ w- u& X: ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 2 M( w5 V8 ]: P+ G 8 v" ~" c) i) m1 b5 s
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");% u2 E1 [7 w/ o: d8 K: G
VariantInit(&requestVariant[0]); . {6 J" E" |# n( J X7 a* F
requestVariant[0].vt = VT_BSTR; $ }8 t+ w) q) x requestVariant[0].bstrVal = itemStr;; V% n6 G/ {$ o
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topicStr = SysAllocString((WCHAR *) L"system"); 7 p1 {2 n% T! D) n VariantInit(&requestVariant[1]); : m- Z) i1 o2 }9 B; E8 X requestVariant[1].vt = VT_BSTR;$ d1 B4 ~3 ? t
requestVariant[1].bstrVal = topicStr;7 ?: E) K9 M4 C* @
* B3 A7 D5 g* S// Set the DISPPARAMS structure that holds the variant.4 J0 ~( B" i) e' s6 C/ Y* R2 y
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dp2.rgvarg = requestVariant; 5 X' [: k" i% M0 y" h4 z dp2.cArgs = 2;) U, A% W8 w9 I
dp2.rgdispidNamedArgs = NULL; , R& R' u, p$ [/ f: A! o' ~ dp2.cNamedArgs = 0;! I k2 w' Y! w. M$ Q% |8 Y
; r0 T4 ]5 s7 o6 D var.vt = VT_EMPTY;- w. g- ?4 w W/ v( t
5 c/ s' V" j( K1 D1 g, H) T7 p// Call IDispatch::Invoke() 6 q* I& Q( K1 W4 x+ X9 b$ A9 W! B( Y( p& {( W$ B" T. f7 h
hr = m_pDisp->Invoke( & X# A" F, w3 g& U+ X9 o requestID,0 X4 O$ t6 @, G3 m* e V5 C6 t
IID_NULL, ! x0 W, L1 Y. G; T$ z/ a6 n LOCALE_SYSTEM_DEFAULT, . B! \" L# S: h' D" X6 h( V/ \ DISPATCH_METHOD, 6 j5 ~' L' V o) }. |' [8 O$ E6 E. r& b/ v &dp2, 0 u9 q/ R2 u% a" _. P4 C &var, ) M9 c* b) j5 ~: `; @# G1 q &ei, * e$ g- X) X, O0 E9 }5 ^ &uiErr); 2 v4 {) R' t) N + S$ ]! s' h6 G$ w, M* d SysFreeString(topicStr); 9 H& c( t" v/ i2 J SysFreeString(itemStr);3 ?& ]- i) [* t1 I
请问该程序是获得extend里面的哪个值? + G8 m" W! k0 ~/ `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????