, o/ v, s; J3 i9 \5 z) s8 v6 E / c! [+ I4 C: }/ D Y$ G6 Y$ c/ P2.这是request的程序3 W0 U1 e: u3 A" m6 [
// Request a value from Extend $ a' S( C6 E& u. g& F// ) y! h/ Z# O/ @9 \; G F0 p// Initialize the variant that will hold the BSTR. Set the variant's4 |$ d0 ?+ ~5 V, x2 Z
// type flag to indicate the fact that this variant holds a BSTR. Place the7 f( x! ?3 n( W5 ], o" r0 h' G
// BSTR into the variant structure.8 l& W, D$ y) s u/ [, i5 Y
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requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2);, P P% e" i4 \$ `! u
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itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0");0 O2 p: w" @9 t& Y) G2 F: Z- j
VariantInit(&requestVariant[0]); % b# s" W- G+ Y B& ?5 t) Q3 I' F requestVariant[0].vt = VT_BSTR; ( J& z; {9 I) Y5 N2 |" m7 A* U requestVariant[0].bstrVal = itemStr;+ G& a- l, Y& _/ N' G
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topicStr = SysAllocString((WCHAR *) L"system");% O6 K j3 w3 A {. G
VariantInit(&requestVariant[1]); . e7 z* S/ @$ d: n
requestVariant[1].vt = VT_BSTR;& ~" r7 |9 C9 n8 K5 d( V- W
requestVariant[1].bstrVal = topicStr;2 x: W4 O: O, v# i# f
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// Set the DISPPARAMS structure that holds the variant.9 v% c8 k/ H- \2 `
. s8 I4 N0 `$ N2 n3 c( B3 U dp2.rgvarg = requestVariant; 1 z8 n' _! @; }4 W- c. I/ Q8 a dp2.cArgs = 2;3 k5 E9 [. N+ f# r E9 W' D
dp2.rgdispidNamedArgs = NULL; m; {& u7 U7 T; l dp2.cNamedArgs = 0;3 \/ t6 s3 e$ {, k0 t- F$ Y