HijriCalendar Class

' Change the calendar used by a ar-LB CultureInfo object from Gregorian to Hijri. 
Dim lebaneseCulture As New CultureInfo("ar-LB")
Dim originalCalendar As Calendar = lebaneseCulture.Calendar
Dim message As String = Nothing

' Confirm that the default calendar is not the Hirji calendar.
If originalCalendar.ToString() <> "System.Globalization.HijriCalendar" Then
   ' Check whether the culture supports the Gregorian calendar.
   Dim supported As Boolean = False
   For Each supportedCal As Calendar In lebaneseCulture.OptionalCalendars
      If supportedCal.ToString() = "System.Globalization.HijriCalendar" Then
         supported = True
         lebaneseCulture.DateTimeFormat.Calendar = supportedCal
         message = String.Format("Changed the current calendar for the {0} culture from {1} to {2}.", _
                                 lebaneseCulture.ToString(), _
                                 originalCalendar.ToString().Replace("System.Globalization.", ""), _
                                 supportedCal.ToString().Replace("System.Globalization.", ""))                                 
         Exit For
      End If
      If Not supported Then message = "The Hijri calendar is not supported."
   Next        
Else
   message = String.Format("Hijri is the default calendar for the {0} culture.", _
                           lebaneseCulture.ToString())
End If
outputBlock.Text += message + vbCrLf
' The example displays the following output:
'   Changed the current calendar for the ar-LB culture from GregorianCalendar to HijriCalendar.

// Change the calendar used by a ar-LB CultureInfo object from Gregorian to Hijri. 
CultureInfo lebaneseCulture = new CultureInfo("ar-LB");
Calendar originalCalendar = lebaneseCulture.Calendar;
string message = null;

// Confirm that the default calendar is not the Hirji calendar.
if (originalCalendar.ToString() != "System.Globalization.HijriCalendar")
{
   // Check whether the culture supports the Gregorian calendar.
   bool supported = false;
   foreach (Calendar supportedCal in lebaneseCulture.OptionalCalendars)
   {
      if (supportedCal.ToString() == "System.Globalization.HijriCalendar")
      {
         supported = true;
         lebaneseCulture.DateTimeFormat.Calendar = supportedCal;
         message = String.Format("Changed the current calendar for the {0} culture from {1} to {2}.",
                                 lebaneseCulture.ToString(),
                                 originalCalendar.ToString().Replace("System.Globalization.", ""),
                                 supportedCal.ToString().Replace("System.Globalization.", ""));                                 
         break;
      }
   }        
   if (! supported) message = "The Hijri calendar is not supported.";
}
else
{
   message = String.Format("Hijri is the default calendar for the {0} culture.",
                           lebaneseCulture.ToString());
}
outputBlock.Text += message + "\n";
// The example displays the following output:
//   Changed the current calendar for the ar-LB culture from GregorianCalendar to HijriCalendar.