/* C# Programming Tips & Techniques by Charles Wright, Kris Jamsa Publisher: Osborne/McGraw-Hill (December 28, 2001) ISBN: 0072193794 */ // tm1.cs - demonstrates overriding the ToString() method to provide a custom // string output. // // Compile this program using the following command line: // D:>csc tm1.cs // namespace nsStructure { using System; using System.Globalization; public struct tm { public int tm_sec; // Seconds after the minute public int tm_min; // Minutes after the hour public int tm_hour; // Hours since midnight public int tm_mday; // The day of the month public int tm_mon; // The month (January = 0) public int tm_year; // The year (00 = 1900) public int tm_wday; // The day of the week (Sunday = 0) public int tm_yday; // The day of the year (Jan. 1 = 1) public int tm_isdst; // Flag to indicate if DST is in effect public override string ToString() { const string wDays = "SunMonTueWedThuFriSat"; const string months = "JanFebMarAprMayJunJulAugSepOctNovDec"; return (String.Format ("{0} {1} {2,2:00} " + "{3,2:00}:{4,2:00}:{5,2:00} {6} ", wDays.Substring (3 * tm_wday, 3), months.Substring (3 * tm_mon, 3), tm_mday, tm_hour, tm_min, tm_sec, tm_year + 1900)); } } public class tm1 { static public void Main() { DateTime timeVal = DateTime.Now; tm tmNow = LocalTime (timeVal); Console.WriteLine (tmNow); } static public tm LocalTime(DateTime tmVal) { tm time; time.tm_sec = tmVal.Second; time.tm_min = tmVal.Minute; time.tm_hour = tmVal.Hour; time.tm_mday = tmVal.Day; time.tm_mon = tmVal.Month - 1; time.tm_year = tmVal.Year - 1900; time.tm_wday = (int) tmVal.DayOfWeek; time.tm_yday = tmVal.DayOfYear; TimeZone tz = TimeZone.CurrentTimeZone; time.tm_isdst = tz.IsDaylightSavingTime (tmVal) == true ? 1 : 0; return (time); } } }