//多值函数wss,获得历史快照 public WindData wss(string windCodes, string fields, string options) { checkConnection(); object ocodes, ofields, otimes, odata; int errCode; odata = wdc.wss_syn(windCodes, fields, options, out ocodes, out ofields, out otimes, out errCode); return(formatWD(ocodes, ofields, otimes, odata, errCode)); }