3 m9 c. C N8 V1 ^' k; r1 Q 1 b" |" Z) N8 s# T2.这是request的程序- N. E& p/ s4 z
// Request a value from Extend ) L* i t8 B& j; M//' D' N5 a: b/ b3 {9 }0 \3 O) E2 j8 }
// Initialize the variant that will hold the BSTR. Set the variant's # j; b" S; D$ z" Q4 m// type flag to indicate the fact that this variant holds a BSTR. Place the7 z- G* u1 x' _9 l( Z7 k4 I
// BSTR into the variant structure.1 i2 h+ |' g) k$ o* @5 F
& Z1 m9 {) }8 J# z requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); 2 x, M$ v) w; ^ $ h( x) t; ^1 [" ?& w itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); " E* x' }. o: G/ H* x g% H VariantInit(&requestVariant[0]); - G- c% H7 c9 w- v {9 `7 l' t requestVariant[0].vt = VT_BSTR;% x9 ~9 Y* I8 E# `* a E4 l4 ]
requestVariant[0].bstrVal = itemStr;, o3 W- N( ~( ~4 z
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topicStr = SysAllocString((WCHAR *) L"system"); : y( L# W5 _. `" Y/ u$ H VariantInit(&requestVariant[1]); J/ g$ O0 `% i% M! I requestVariant[1].vt = VT_BSTR;! c& o% \4 f( t3 u {- m) b
requestVariant[1].bstrVal = topicStr; 5 Q# j5 Z, r* ` / ~ b/ x% @' {. m$ B1 e// Set the DISPPARAMS structure that holds the variant.! U/ U r& k% S, x, c8 s! d
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dp2.rgvarg = requestVariant;1 s' R, \% ~. W! F- U0 U
dp2.cArgs = 2;6 e3 U- e& a+ a
dp2.rgdispidNamedArgs = NULL; " m/ O7 ~ E1 b+ t6 J dp2.cNamedArgs = 0;; v+ v& Q# J/ O: A; z/ h