W4 T" p O6 ~& f( K" ]2.这是request的程序 % Y8 o+ Y9 O; N// Request a value from Extend % L* }) e3 l2 u9 U// 7 r/ L% O G9 g; Y/ z j+ X// Initialize the variant that will hold the BSTR. Set the variant's ; S, y' A9 `: N5 C// type flag to indicate the fact that this variant holds a BSTR. Place the + e7 q6 c% z% k& e// BSTR into the variant structure. 5 t4 F6 `: p3 H, n : M! U4 z3 L ? requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; r8 v( q# B [5 q
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");! r: [# z7 l% Q! Q' \. f' m4 B
VariantInit(&requestVariant[0]); s& x) k8 _0 i- \3 W/ r requestVariant[0].vt = VT_BSTR; + P$ ?2 i2 J$ j4 X requestVariant[0].bstrVal = itemStr;, e$ c& ?1 b+ x9 e
! c) m& B# K. y topicStr = SysAllocString((WCHAR *) L"system");% B+ Q$ t; [: o J2 N+ N, g" C4 G
VariantInit(&requestVariant[1]); 8 R. r( z! [" j- Z requestVariant[1].vt = VT_BSTR;! d2 Z B ?( ]+ q6 l1 g( H
requestVariant[1].bstrVal = topicStr; 0 A9 o0 p6 G& `9 T, T# \" D1 D ( g2 s2 \5 B y g* R// Set the DISPPARAMS structure that holds the variant.8 k4 ^6 ?% h- N
; [8 q: V4 E& |* }7 D0 }3 D dp2.rgvarg = requestVariant; / H3 N% s, e0 x+ A6 R+ r dp2.cArgs = 2;0 ]; r! h$ c/ N
dp2.rgdispidNamedArgs = NULL;/ D* F( b) b( o
dp2.cNamedArgs = 0; W/ }; H# v% M; ~5 z+ I' ]. L9 U- n5 P) x) _& @
var.vt = VT_EMPTY; $ H9 `6 g5 ?" t s, j5 ]7 ~% M) ^/ i3 O1 U6 s
// Call IDispatch::Invoke() V+ A& |6 v% w* j
/ J: P) N% V# B& P hr = m_pDisp->Invoke( ' ]: m) L5 P3 }8 L requestID,# t+ W% a2 n! T* p2 {
IID_NULL,! I0 c9 V E7 k0 U4 @9 f
LOCALE_SYSTEM_DEFAULT,% p1 o0 X- W" z1 u+ {9 U: a) }
DISPATCH_METHOD,* q N* h2 `) N) t, z
&dp2,; O+ B9 }, h! o- i' b
&var, & S; h# Y$ e7 ` &ei,, h( ? E" r. |) p; t# C8 k
&uiErr);# m/ ?- F. Q4 a6 E: [
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SysFreeString(topicStr); ( e& s9 H! r" F. {5 X: f7 r" ~& m SysFreeString(itemStr);2 T' x6 d4 q6 O" `3 _
请问该程序是获得extend里面的哪个值?/ ?% }( U0 p! e
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????