f: [' ~ ], X+ |/ S 5 C% Q! x- u& m6 [; G0 _9 G2.这是request的程序 / n) A# Z0 ?" }6 c$ [8 l// Request a value from Extend 2 c8 m# l) }8 r. s( O% I// & T# [2 o' m% p4 A. W4 [6 |3 L) ]. V// Initialize the variant that will hold the BSTR. Set the variant's2 L, G1 x, g: G- ]$ O
// type flag to indicate the fact that this variant holds a BSTR. Place the0 R) m1 x; |7 X2 u! w0 J
// BSTR into the variant structure." [! h9 }" t3 q. m4 s
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);0 j! s0 \& M7 l+ v
, q1 [) g- }8 v& U% g itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ; D6 O: K9 @' A! s3 }5 X1 |5 K+ m VariantInit(&requestVariant[0]); . a+ [- l5 m7 U4 w2 [2 Q
requestVariant[0].vt = VT_BSTR; " f7 U) e- A, j8 a" C1 l& r1 S requestVariant[0].bstrVal = itemStr; I. p+ `0 e' l; {, N" D 0 y; S! d* d- ?/ N% o topicStr = SysAllocString((WCHAR *) L"system"); * k1 K. B: ]3 c. i- P: u2 C VariantInit(&requestVariant[1]); - y/ G6 C4 ^& g, K
requestVariant[1].vt = VT_BSTR; ( D2 \9 G' l: D5 p1 K; h requestVariant[1].bstrVal = topicStr;3 K0 i9 t0 L( b( E+ {5 a- t
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// Set the DISPPARAMS structure that holds the variant. 1 f' r, \9 a% S( K1 q4 c - p% Q9 U6 L6 L) J6 V% } dp2.rgvarg = requestVariant; V, Q9 ? }) F, ~- A dp2.cArgs = 2;/ ]% F5 e; j2 I& Q
dp2.rgdispidNamedArgs = NULL; ! o5 J: v; g* [7 }6 U# O5 P dp2.cNamedArgs = 0; ! K4 G7 Y( c# M 1 _ f' v' b, k6 z3 @' K: c var.vt = VT_EMPTY;! |1 G/ @8 A0 l# t! Q
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// Call IDispatch::Invoke()0 E/ r6 M) \$ o; c" e) }( `
. X: q* X* V9 S+ l4 C2 H& H+ V hr = m_pDisp->Invoke(6 N4 x& R6 K% I. b8 S! P, q
requestID,/ ~* Q" Z. ^5 p& [ z5 H
IID_NULL, 6 w; |8 ]3 v ?, q LOCALE_SYSTEM_DEFAULT, ; I4 G# `1 \# D! H5 j6 C DISPATCH_METHOD,$ u' D% x% d+ R* m; R' t B
&dp2,' l9 B0 H7 Q4 t" q. A
&var, 4 M+ N( ^( @: G' F9 u/ y9 K* c8 g &ei," p3 l8 ]. q0 u" r- a: D y1 ~3 K
&uiErr);2 ~" Z N: F: W6 M% F, U
) T( N4 Z' n8 y6 D SysFreeString(topicStr); 4 c" {/ r3 M* Q SysFreeString(itemStr);; ?: V. [- y6 X2 H8 Y
请问该程序是获得extend里面的哪个值?$ a# E- m4 e& @4 H4 G* L
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????