# }: p4 E6 D, e V6 _0 N) Y7 @2.这是request的程序 6 X* ~$ N H" y. e7 P) a// Request a value from Extend & z% J& h/ W; |) @3 Q//9 g6 C V% y" e/ t( n
// Initialize the variant that will hold the BSTR. Set the variant's 9 E. ]6 H+ R$ j! N// type flag to indicate the fact that this variant holds a BSTR. Place the! |' E; s: o+ [. l0 G3 \- t( C! j" [
// BSTR into the variant structure. 5 ]3 L9 [/ ~8 h4 }- a' s 6 D: \ q; ~" w; a3 J requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);; _. q- `5 R: I7 s: R) ?: e
5 f; ?2 j6 x+ u itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 j# k5 F. }* P7 Z, b; L% c F
VariantInit(&requestVariant[0]); ( T% g. ?9 b0 }. S' b, ] requestVariant[0].vt = VT_BSTR;1 N/ l8 v R4 Y8 B; ^% |0 n( r
requestVariant[0].bstrVal = itemStr; P6 K: K0 l& x) r5 m/ ?) W1 P( J
4 Y9 Q7 A4 s5 P& Q; W" ]3 j topicStr = SysAllocString((WCHAR *) L"system");: U# A% m6 {* W1 n* }
VariantInit(&requestVariant[1]); / G' ], I9 G9 c2 \2 R/ q requestVariant[1].vt = VT_BSTR;# v8 A6 G! m- ?2 R- k2 D1 E; m* \! U
requestVariant[1].bstrVal = topicStr; 9 i ?6 H! G9 ^$ T& A$ p4 ~9 r1 n# |0 o$ S6 b
// Set the DISPPARAMS structure that holds the variant. 5 Y( h0 W& a' H! | 6 d, ?$ v$ A- D; K* w$ d) E f, u/ a dp2.rgvarg = requestVariant;* }3 C' D$ ^+ n, \- e
dp2.cArgs = 2;' `% V) h' o" T6 Q& b
dp2.rgdispidNamedArgs = NULL;! D) k4 B" _8 P C K
dp2.cNamedArgs = 0;8 e- B* V" G- ^
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var.vt = VT_EMPTY;2 a& l g+ Z3 f T9 j9 _