public List <GPTimeZoneOld> getTimeZones()
{
if (tzonesList == null)
{
tzonesList = new List <GPTimeZoneOld>();
XmlNode node = getMainNode();
XmlElement elem = node as XmlElement;
foreach (XmlElement item in elem.ChildNodes)
{
if (item.Name == "timezone")
{
GPTimeZoneOld tzone = new GPTimeZoneOld();
tzone.Id = LastId++;
foreach (XmlElement subs in item.ChildNodes)
{
if (subs.Name == "name")
{
tzone.Name = subs.InnerText;
}
else if (subs.Name == "transition")
{
GPTimeZoneOld.Transition trans = new GPTimeZoneOld.Transition();
if (subs.HasAttribute("date"))
{
trans.setDateString(subs.GetAttribute("date"));
}
if (subs.HasAttribute("offset"))
{
int.TryParse(subs.GetAttribute("offset"), out trans.OffsetInSeconds);
}
if (subs.HasAttribute("abbr"))
{
trans.Abbreviation = subs.GetAttribute("abbr");
}
if (subs.HasAttribute("dst"))
{
int dst = 0;
int.TryParse(subs.GetAttribute("dst"), out dst);
trans.Dst = ((dst == 1) ? true : false);
if (trans.Dst == false)
{
tzone.OffsetSeconds = trans.OffsetInSeconds;
}
}
tzone.Transitions.Add(trans);
}
}
tzone.RefreshEnds();
if (tzone.Name.Length > 0)
{
tzonesList.Add(tzone);
}
}
}
}
return(tzonesList);
}
public double getTimeZoneOffsetHours()
{
GPLocation loc = getLocation();
if (loc == null)
{
return(0);
}
GPTimeZoneOld tz = loc.getTimeZone();
if (tz == null)
{
return(0);
}
return(tz.OffsetSeconds / 3600.0);
}
// textual representation of timezone base offset
public string getOffsetString()
{
return(GPTimeZoneOld.SecondsToString(OffsetInSeconds, 2));
}