/// <summary>
/// Initializes a new instance of
/// the <see cref="TimeZoneCollection"/> class.
/// </summary>
/// <param name="data">The registry data to use
/// when populating the collection.</param>
internal TimeZoneCollection(RegistryKey data)
: base(new List <TimeZone>())
{
string[] subKeyNames = data.GetSubKeyNames();
nameMap = new Dictionary <string, TimeZone>(subKeyNames.Length);
foreach (string name in subKeyNames)
{
using (RegistryKey key = data.OpenSubKey(name))
{
UITimeZone item = new UITimeZone(name, key);
Items.Add(item);
nameMap.Add(item.StandardName, item);
}
}
((List <TimeZone>)Items).Sort(Comparer <TimeZone> .Default);
}
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="other">An object to compare with this instance.</param>
/// <returns>A 32-bit integer that indicates the relative order
/// of the entities being compared.</returns>
/// <exception cref="ArgumentException"><paramref name="other"/>
/// is not the same type as this instance.</exception>
int IComparable.CompareTo(object other)
{
if (other == null)
{
return(1);
}
if (!this.GetType().IsInstanceOfType(other))
{
throw new ArgumentException(null, "other");
}
UITimeZone otherZone = (UITimeZone)other;
TimeSpan thisBias = actualSettings.ZoneBias;
TimeSpan otherBias = otherZone.actualSettings.ZoneBias;
if (thisBias == otherBias)
{
return(StringComparer.InvariantCultureIgnoreCase.
Compare(description, otherZone.description));
}
else
{
return(thisBias.CompareTo(otherBias));
}
}
