UmAlQuraCalendar.GetYear(DateTime) Metodo

Definizione

Spazio dei nomi:

System.Globalization

Assembly:

System.Runtime.dll

Origine:

UmAlQuraCalendar.cs

Calcola l'anno di una data rappresentata da un oggetto DateTime specificato.

public:
 override int GetYear(DateTime time);

public override int GetYear (DateTime time);

override this.GetYear : DateTime -> int

Public Overrides Function GetYear (time As DateTime) As Integer

Parametri

time

DateTime

Valore di data da leggere. La classe UmAlQuraCalendar supporta solo le date dal 30/04/1900 00.00.00 (data gregoriana) al 16/11/2077 23.59.59 (data gregoriana).

Restituisce

Int32

Valore intero che rappresenta l'anno specificato dal parametro time.

Eccezioni

ArgumentOutOfRangeException

time non è compreso nell'intervallo supportato dal calendario.

Esempio

Nell'esempio UmAlQuraCalendar seguente vengono visualizzati gli intervalli di date supportati dalla classe sia nei calendari gregoriani che in Um Al Qura. Il GetYear metodo viene usato per recuperare l'anno delle date minime e massime supportate nel calendario Um Al Qura se non è il calendario corrente delle impostazioni cultura correnti.

using System;
using System.Globalization;

public class Example
{
   public static void Main()
   {
      Calendar cal = new UmAlQuraCalendar();
      DateTime minDate = cal.MinSupportedDateTime;
      DateTime maxDate = cal.MaxSupportedDateTime;

      Console.WriteLine("Range of the Um Al Qura calendar:");
      // Is UmAlQuraCalendar the current calendar?
      if (DateTimeFormatInfo.CurrentInfo.Calendar.ToString().Contains("UmAlQura")) {
         Calendar greg = new GregorianCalendar();
         Console.WriteLine("   Minimum: {0:d2}/{1:d2}/{2:d4} {3:HH:mm:ss} Gregorian, {3:MM/dd/yyyy HH:mm:ss} Um Al Qura",
                           greg.GetMonth(minDate), greg.GetDayOfMonth(minDate),
                           greg.GetYear(minDate), minDate);
         Console.WriteLine("   Maximum: {0:d2}/{1:d2}/{2:d4} {3:HH:mm:ss} Gregorian, {3:MM/dd/yyyy HH:mm:ss} Um Al Qura",
                           greg.GetMonth(maxDate), greg.GetDayOfMonth(maxDate),
                           greg.GetYear(maxDate), maxDate);
      }
      // Is Gregorian the current calendar?
      else if (DateTimeFormatInfo.CurrentInfo.Calendar.ToString().Contains("Gregorian")) {
         Console.WriteLine("   Minimum: {0:d} {0:HH:mm:ss} Gregorian, {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} Um Al Qura",
                           minDate, cal.GetMonth(minDate), cal.GetDayOfMonth(minDate),
                           cal.GetYear(minDate));
         Console.WriteLine("   Maximum: {0:d} {0:HH:mm:ss} Gregorian, {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} Um Al Qura",
                           maxDate, cal.GetMonth(maxDate), cal.GetDayOfMonth(maxDate),
                           cal.GetYear(maxDate));
      }
      // Display ranges if some other calendar is current.
      else {
         GregorianCalendar greg = new GregorianCalendar();
         Console.WriteLine("   Minimum: {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} " +
                           "Gregorian, {4:d2}/{5:d2}/{6:d4} {0:HH:mm:ss} Um Al Qura",
                           minDate, greg.GetMonth(minDate), greg.GetDayOfMonth(minDate),
                           greg.GetYear(minDate), cal.GetMonth(minDate), cal.GetDayOfMonth(minDate),
                           cal.GetYear(minDate));
         Console.WriteLine("   Maximum: {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} " +
                           "Gregorian, {4:d2}/{5:d2}/{6:d4} {0:HH:mm:ss} Um Al Qura",
                           maxDate, greg.GetMonth(maxDate), greg.GetDayOfMonth(maxDate),
                           greg.GetYear(maxDate), cal.GetMonth(maxDate), cal.GetDayOfMonth(maxDate),
                           cal.GetYear(maxDate));
      }
   }
}
// The example displays output similar to the following:
//    Range of the Um Al Qura calendar:
//       Minimum: 4/30/1900 00:00:00 Gregorian, 01/01/1318 00:00:00 Um Al Qura
//       Maximum: 5/13/2029 23:59:59 Gregorian, 12/29/1450 23:59:59 Um Al Qura

Imports System.Globalization

Module Example
   Public Sub Main()
      Dim cal As New UmAlQuraCalendar()
      Dim minDate As Date = cal.MinSupportedDateTime
      Dim maxDate As Date = cal.MaxSupportedDateTime
      
      Console.WriteLine("Range of the Um Al Qura calendar:")
      ' Is UmAlQuraCalendar the current calendar?
      If DateTimeFormatInfo.CurrentInfo.Calendar.ToString().Contains("UmAlQura") Then
         Dim greg As New GregorianCalendar()
         Console.WriteLine("   Minimum: {0:d2}/{1:d2}/{2:d4} {3:HH:mm:ss} Gregorian, {3:MM/dd/yyyy HH:mm:ss} Um Al Qura",
                           greg.GetMonth(minDate), greg.GetDayOfMonth(minDate),
                           greg.GetYear(minDate), minDate)
         Console.WriteLine("   Maximum: {0:d2}/{1:d2}/{2:d4} {3:HH:mm:ss} Gregorian, {3:MM/dd/yyyy HH:mm:ss} Um Al Qura",
                           greg.GetMonth(maxDate), greg.GetDayOfMonth(maxDate),
                           greg.GetYear(maxDate), maxDate)
      ' Is Gregorian the current calendar?
      ElseIf DateTimeFormatInfo.CurrentInfo.Calendar.ToString().Contains("Gregorian") Then         
         Console.WriteLine("   Minimum: {0:d} {0:HH:mm:ss} Gregorian, {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} Um Al Qura",
                           minDate, cal.GetMonth(minDate), cal.GetDayOfMonth(minDate),
                           cal.GetYear(minDate))
         Console.WriteLine("   Maximum: {0:d} {0:HH:mm:ss} Gregorian, {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} Um Al Qura",
                           maxDate, cal.GetMonth(maxDate), cal.GetDayOfMonth(maxDate),
                           cal.GetYear(maxDate))
      ' Display ranges if some other calendar is current.
      Else
         Dim greg As New GregorianCalendar()          
         Console.WriteLine("   Minimum: {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} " + 
                           "Gregorian, {4:d2}/{5:d2}/{6:d4} {0:HH:mm:ss} Um Al Qura",
                           minDate, greg.GetMonth(minDate), greg.GetDayOfMonth(minDate), 
                           greg.GetYear(minDate), cal.GetMonth(minDate), cal.GetDayOfMonth(minDate),
                           cal.GetYear(minDate))
         Console.WriteLine("   Maximum: {1:d2}/{2:d2}/{3:d4} {0:HH:mm:ss} " + 
                           "Gregorian, {4:d2}/{5:d2}/{6:d4} {0:HH:mm:ss} Um Al Qura",
                           maxDate, greg.GetMonth(maxDate), greg.GetDayOfMonth(maxDate), 
                           greg.GetYear(maxDate), cal.GetMonth(maxDate), cal.GetDayOfMonth(maxDate),
                           cal.GetYear(maxDate))
      End If
   End Sub
End Module
' The example displays output similar to the following:
'    Range of the Um Al Qura calendar:
'       Minimum: 4/30/1900 00:00:00 Gregorian, 01/01/1318 00:00:00 Um Al Qura
'       Maximum: 5/13/2029 23:59:59 Gregorian, 12/29/1450 23:59:59 Um Al Qura