1 O3 d9 k: _& M* | , s1 C. Y3 t4 M1 ^% o: |- l2.这是request的程序 3 M6 x- j, e' T/ V5 F$ r0 A// Request a value from Extend) h) I" E* E* T5 ?9 k1 B2 X
// w+ D r! k" W// Initialize the variant that will hold the BSTR. Set the variant's " O( _* k* l9 q6 M// type flag to indicate the fact that this variant holds a BSTR. Place the' {9 L% ?0 C8 q3 E+ x3 z, T. [; Z/ W
// BSTR into the variant structure.( d% u# a6 J. ?* k8 t# p/ b
9 T7 Y J( }; A* B. O, \8 P; u9 z8 | requestVariant = (VARIANTARG *)malloc(sizeof(VARIANTARG) *2); " U$ a% ^' A9 D' I 6 X' I# [: ?" w% w1 j( i& X; d! t
itemStr = SysAllocString((WCHAR *) L"global0:#0:0:0:0:0"); ' g# [! m" ^- j% {- N VariantInit(&requestVariant[0]); 3 M7 X- Q1 T g6 J( r, ~' Y. w* O requestVariant[0].vt = VT_BSTR;$ e1 J, O. P% P L. g- a, Y7 D
requestVariant[0].bstrVal = itemStr;! l+ w& q2 o" {! {! X
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topicStr = SysAllocString((WCHAR *) L"system"); " s7 s3 Q! V: c VariantInit(&requestVariant[1]); 9 N; a {" w! }# _ h; y requestVariant[1].vt = VT_BSTR; # u, f2 c: Y# q6 x5 `2 ~ requestVariant[1].bstrVal = topicStr; * E. s7 k; w& b5 t; U - t; a2 a, O5 A' k// Set the DISPPARAMS structure that holds the variant.6 w' H" Y9 k+ e; v
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dp2.rgvarg = requestVariant; 5 t8 g4 y! w3 f" @0 e" d; r: A dp2.cArgs = 2; . X0 W: G. P i6 U dp2.rgdispidNamedArgs = NULL;/ G4 C& Q5 |* l+ a3 A8 g
dp2.cNamedArgs = 0;! O3 L/ G) s; @( z/ y