protected TimeSpan GetUtcOffsetForDateTime( DateTime dateTime, TimeZoneInfoProvider.TimeZoneDefinition timeZoneDef )
'宣言 Protected Function GetUtcOffsetForDateTime( _ ByVal dateTime As Date, _ ByVal timeZoneDef As TimeZoneInfoProvider.TimeZoneDefinition _ ) As TimeSpan
TimeZoneInfoProvider クラス TimeZoneInfoProvider メンバ