TimeZone.DaylightName Vlastnost
Definice
Důležité
Některé informace platí pro předběžně vydaný produkt, který se může zásadně změnit, než ho výrobce nebo autor vydá. Microsoft neposkytuje žádné záruky, výslovné ani předpokládané, týkající se zde uváděných informací.
Získá název letního časového pásma.
public:
abstract property System::String ^ DaylightName { System::String ^ get(); };
public abstract string DaylightName { get; }
member this.DaylightName : string
Public MustOverride ReadOnly Property DaylightName As String
Hodnota vlastnosti
Název letního časového pásma.
Příklady
Následující příklad odkazuje a zobrazí DaylightName
vlastnost aktuálního časového pásma.
// Example of selected TimeZone class elements.
using namespace System;
using namespace System::Globalization;
int main()
{
String^ dataFmt = "{0,-30}{1}";
String^ timeFmt = "{0,-30}{1:yyyy-MM-dd HH:mm}";
Console::WriteLine( "This example of selected TimeZone class "
"elements generates the following \n"
"output, which varies depending on the "
"time zone in which it is run.\n" );
// Get the local time zone and the current local time and year.
TimeZone^ localZone = TimeZone::CurrentTimeZone;
DateTime currentDate = DateTime::Now;
int currentYear = currentDate.Year;
// Display the names for standard time and daylight saving
// time for the local time zone.
Console::WriteLine( dataFmt, "Standard time name:", localZone->StandardName );
Console::WriteLine( dataFmt, "Daylight saving time name:", localZone->DaylightName );
// Display the current date and time and show if they occur
// in daylight saving time.
Console::WriteLine( String::Concat( "\n", timeFmt ), "Current date and time:", currentDate );
Console::WriteLine( dataFmt, "Daylight saving time?", localZone->IsDaylightSavingTime( currentDate ) );
// Get the current Coordinated Universal Time (UTC) and UTC
// offset.
DateTime currentUTC = localZone->ToUniversalTime( currentDate );
TimeSpan currentOffset = localZone->GetUtcOffset( currentDate );
Console::WriteLine( timeFmt, "Coordinated Universal Time:", currentUTC );
Console::WriteLine( dataFmt, "UTC offset:", currentOffset );
// Get the DaylightTime object for the current year.
DaylightTime^ daylight = localZone->GetDaylightChanges( currentYear );
// Display the daylight saving time range for the current year.
Console::WriteLine( "\nDaylight saving time for year {0}:", currentYear );
Console::WriteLine( "{0:yyyy-MM-dd HH:mm} to "
"{1:yyyy-MM-dd HH:mm}, delta: {2}", daylight->Start, daylight->End, daylight->Delta );
}
/*
This example of selected TimeZone class elements generates the following
output, which varies depending on the time zone in which it is run.
Standard time name: Pacific Standard Time
Daylight saving time name: Pacific Daylight Time
Current date and time: 2006-01-06 16:47
Daylight saving time? False
Coordinated Universal Time: 2006-01-07 00:47
UTC offset: -08:00:00
Daylight saving time for year 2006:
2006-04-02 02:00 to 2006-10-29 02:00, delta: 01:00:00
*/
// Example of selected TimeZone class elements.
using System;
using System.Globalization;
class TimeZoneDemo
{
static void Main( )
{
const string dataFmt = "{0,-30}{1}";
const string timeFmt = "{0,-30}{1:yyyy-MM-dd HH:mm}";
Console.WriteLine(
"This example of selected TimeZone class " +
"elements generates the following \n" +
"output, which varies depending on the " +
"time zone in which it is run.\n" );
// Get the local time zone and the current local time and year.
TimeZone localZone = TimeZone.CurrentTimeZone;
DateTime currentDate = DateTime.Now;
int currentYear = currentDate.Year;
// Display the names for standard time and daylight saving
// time for the local time zone.
Console.WriteLine( dataFmt, "Standard time name:",
localZone.StandardName );
Console.WriteLine( dataFmt, "Daylight saving time name:",
localZone.DaylightName );
// Display the current date and time and show if they occur
// in daylight saving time.
Console.WriteLine( "\n" + timeFmt, "Current date and time:",
currentDate );
Console.WriteLine( dataFmt, "Daylight saving time?",
localZone.IsDaylightSavingTime( currentDate ) );
// Get the current Coordinated Universal Time (UTC) and UTC
// offset.
DateTime currentUTC =
localZone.ToUniversalTime( currentDate );
TimeSpan currentOffset =
localZone.GetUtcOffset( currentDate );
Console.WriteLine( timeFmt, "Coordinated Universal Time:",
currentUTC );
Console.WriteLine( dataFmt, "UTC offset:", currentOffset );
// Get the DaylightTime object for the current year.
DaylightTime daylight =
localZone.GetDaylightChanges( currentYear );
// Display the daylight saving time range for the current year.
Console.WriteLine(
"\nDaylight saving time for year {0}:", currentYear );
Console.WriteLine( "{0:yyyy-MM-dd HH:mm} to " +
"{1:yyyy-MM-dd HH:mm}, delta: {2}",
daylight.Start, daylight.End, daylight.Delta );
}
}
/*
This example of selected TimeZone class elements generates the following
output, which varies depending on the time zone in which it is run.
Standard time name: Pacific Standard Time
Daylight saving time name: Pacific Daylight Time
Current date and time: 2006-01-06 16:47
Daylight saving time? False
Coordinated Universal Time: 2006-01-07 00:47
UTC offset: -08:00:00
Daylight saving time for year 2006:
2006-04-02 02:00 to 2006-10-29 02:00, delta: 01:00:00
*/
' Example of selected TimeZone class elements.
Imports System.Globalization
Module TimeZoneDemo
Sub Main( )
Const dataFmt As String = "{0,-30}{1}"
Const timeFmt As String = "{0,-30}{1:yyyy-MM-dd HH:mm}"
Console.WriteLine( "This example of selected " & _
"TimeZone class elements generates the following " & _
vbCrLf & "output, which varies depending on the " & _
"time zone in which it is run." & vbCrLf )
' Get the local time zone and the current local time and year.
Dim localZone As TimeZone = TimeZone.CurrentTimeZone
Dim currentDate As DateTime = DateTime.Now
Dim currentYear As Integer = currentDate.Year
' Display the names for standard time and daylight saving
' time for the local time zone.
Console.WriteLine( dataFmt, "Standard time name:", _
localZone.StandardName )
Console.WriteLine( dataFmt, "Daylight saving time name:", _
localZone.DaylightName )
' Display the current date and time and show if they occur
' in daylight saving time.
Console.WriteLine( vbCrLf & timeFmt, _
"Current date and time:", currentDate )
Console.WriteLine( dataFmt, "Daylight saving time?", _
localZone.IsDaylightSavingTime( currentDate ) )
' Get the current Coordinated Universal Time (UTC) and UTC
' offset.
Dim currentUTC As DateTime = _
localZone.ToUniversalTime( currentDate )
Dim currentOffset As TimeSpan = _
localZone.GetUtcOffset( currentDate )
Console.WriteLine( timeFmt, "Coordinated Universal Time:", _
currentUTC )
Console.WriteLine( dataFmt, "UTC offset:", currentOffset )
' Get the DaylightTime object for the current year.
Dim daylight As DaylightTime = _
localZone.GetDaylightChanges( currentYear )
' Display the daylight saving time range for the current year.
Console.WriteLine( vbCrLf & _
"Daylight saving time for year {0}:", currentYear )
Console.WriteLine( "{0:yyyy-MM-dd HH:mm} to " & _
"{1:yyyy-MM-dd HH:mm}, delta: {2}", _
daylight.Start, daylight.End, daylight.Delta )
End Sub
End Module
'This example of selected TimeZone class elements generates the following
'output, which varies depending on the time zone in which it is run.
'
'Standard time name: Pacific Standard Time
'Daylight saving time name: Pacific Daylight Time
'
'Current date and time: 2006-01-06 16:47
'Daylight saving time? False
'Coordinated Universal Time: 2006-01-07 00:47
'UTC offset: -08:00:00
'
'Daylight saving time for year 2006:
'2006-04-02 02:00 to 2006-10-29 02:00, delta: 01:00:00
Poznámky
Pokud se v časovém pásmu nepoužívá letní čas, vrátí se prázdný řetězec ("").
Vlastnost DaylightName odpovídá TimeZoneInfo.DaylightName vlastnosti. Kdykoli je to možné, použijte TimeZoneInfo.DaylightName vlastnost.