Note, this may not be the Week that contains the last day(s) of the year depending on the WeekRule and FirstDayOfWeekResolved.
Imports Infragistics.Win Imports Infragistics.Win.UltraWinSchedule Imports System.IO Imports System.Globalization Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click ' Get the week number of the last week in the current year Dim lastWeekNumberInYear As Integer lastWeekNumberInYear = Me.ultraCalendarInfo1.LastWeekNumberInYear(DateTime.Today.Year) ' Display the information in a message box MessageBox.Show("The number of the last week in the current year is " + lastWeekNumberInYear.ToString(), "LastWeekNumberInYear", MessageBoxButtons.OK) End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinSchedule; using System.IO; using System.Globalization; private void button1_Click(object sender, System.EventArgs e) { // Get the week number of the last week in the current year int lastWeekNumberInYear; lastWeekNumberInYear = this.ultraCalendarInfo1.LastWeekNumberInYear( DateTime.Today.Year ); // Display the information in a message box MessageBox.Show( "The number of the last week in the current year is " + lastWeekNumberInYear.ToString(), "LastWeekNumberInYear", MessageBoxButtons.OK ); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2