/// <summary>
/// Constructs a TimeZone array out of TimeZoneInfo collection
/// </summary>
/// <param name="tzInfoCollection"></param>
/// <returns></returns>
private static TimeZone[] ConstructFromCollection(TimeZoneInfos tzInfoCollection)
{
TimeZone[] timeZones = new TimeZone[tzInfoCollection.Count];
int index = 0;
foreach (TimeZoneInfo tzinfo in tzInfoCollection)
{
timeZones[index++] = new TimeZone(tzinfo);
}
return(timeZones);
}
/// <summary>
/// Returns all time zones with the specified bias.
/// </summary>
public static TimeZoneInfos GetTimeZoneInfos(int bias)
{
TimeZoneInfos results = new TimeZoneInfos();
foreach (TimeZoneInfo tzinfo in SystemTimeZoneInfos)
{
if (tzinfo.Bias == bias)
{
results.Add(tzinfo);
}
}
if (results.Count == 0)
{
throw new System.ApplicationException("Unable to find time zones with bias '"
+ bias.ToString() + "'.");
}
return(results);
}