ThaiBuddhistCalendar.GetWeekOfYear Method

Parameters

• time
  Type: System.DateTime
  The DateTime to read.

• rule
  Type: System.Globalization.CalendarWeekRule
  One of the CalendarWeekRule values that defines a calendar week.

• firstDayOfWeek
  Type: System.DayOfWeek
  One of the DayOfWeek values that represents the first day of the week.

Return Value

Type: System.Int32
A 1-based positive integer that represents the week of the year that includes the date in the time parameter.

Imports System.Globalization

Public Class Example

   Public Shared Sub Demo(ByVal outputBlock As System.Windows.Controls.TextBlock)

      ' Gets the Calendar instance associated with a CultureInfo.
      Dim myCI As New CultureInfo("en-US")
      Dim myCal As Calendar = myCI.Calendar

      ' Gets the DTFI properties required by GetWeekOfYear.
      Dim myCWR As CalendarWeekRule = myCI.DateTimeFormat.CalendarWeekRule
      Dim myFirstDOW As DayOfWeek = myCI.DateTimeFormat.FirstDayOfWeek

      ' Displays the number of the current week relative to the beginning of the year.
      outputBlock.Text += String.Format("The CalendarWeekRule used for the en-US culture is {0}.", myCWR) & vbCrLf
      outputBlock.Text += String.Format("The FirstDayOfWeek used for the en-US culture is {0}.", myFirstDOW) & vbCrLf
      outputBlock.Text += String.Format("Therefore, the current week is Week {0} of the current year.", myCal.GetWeekOfYear(DateTime.Now, myCWR, myFirstDOW)) & vbCrLf

      ' Displays the total number of weeks in the current year.
      Dim LastDay = New System.DateTime(DateTime.Now.Year, 12, 31)
      outputBlock.Text += String.Format("There are {0} weeks in the current year ({1}).", myCal.GetWeekOfYear(LastDay, myCWR, myFirstDOW), LastDay.Year) & vbCrLf
   End Sub 'Main 
End Class 'SamplesCalendar


'This code produces the following output.  Results vary depending on the system date.
'
'The CalendarWeekRule used for the en-US culture is FirstDay.
'The FirstDayOfWeek used for the en-US culture is Sunday.
'Therefore, the current week is Week 1 of the current year.
'There are 53 weeks in the current year (2001).

using System;
using System.Globalization;


public class Example
{

   public static void Demo(System.Windows.Controls.TextBlock outputBlock)
   {

      // Gets the Calendar instance associated with a CultureInfo.
      CultureInfo myCI = new CultureInfo("en-US");
      Calendar myCal = myCI.Calendar;

      // Gets the DTFI properties required by GetWeekOfYear.
      CalendarWeekRule myCWR = myCI.DateTimeFormat.CalendarWeekRule;
      DayOfWeek myFirstDOW = myCI.DateTimeFormat.FirstDayOfWeek;

      // Displays the number of the current week relative to the beginning of the year.
      outputBlock.Text += String.Format("The CalendarWeekRule used for the en-US culture is {0}.", myCWR) + "\n";
      outputBlock.Text += String.Format("The FirstDayOfWeek used for the en-US culture is {0}.", myFirstDOW) + "\n";
      outputBlock.Text += String.Format("Therefore, the current week is Week {0} of the current year.", myCal.GetWeekOfYear(DateTime.Now, myCWR, myFirstDOW)) + "\n";

      // Displays the total number of weeks in the current year.
      DateTime LastDay = new System.DateTime(DateTime.Now.Year, 12, 31);
      outputBlock.Text += String.Format("There are {0} weeks in the current year ({1}).", myCal.GetWeekOfYear(LastDay, myCWR, myFirstDOW), LastDay.Year) + "\n";

   }

}

/*
This code produces the following output.  Results vary depending on the system date.

The CalendarWeekRule used for the en-US culture is FirstDay.
The FirstDayOfWeek used for the en-US culture is Sunday.
Therefore, the current week is Week 1 of the current year.
There are 53 weeks in the current year (2001).

*/