Gets a value indicating whether the time zone has any daylight saving time rules.
Assembly: mscorlib (in mscorlib.dll)
The value of the property for the local time zone returned by the TimeZoneInfo.Local property reflects the setting of the Control Panel Date and Time application's checkbox that defines whether the system automatically adjusts for daylight saving time. If it is unchecked, or if no checkbox is displayed for a time zone, the value of this property is false.
The following example retrieves a collection of all time zones that are available on a local system and displays the names of those that do not support daylight saving time.