//日历日、工作日、交易日的日期偏移计算 public WindData tdaysoffset(string startTime, int offset, string options) { checkConnection(); object ocodes, ofields, otimes, odata; int errCode; odata = wdc.tdaysoffset_syn(startTime, offset, options, out ocodes, out ofields, out otimes, out errCode); return(formatWD(ocodes, ofields, otimes, odata, errCode)); }