//引入命名空间
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));
      }
   }
}