バージョン

FirstDate プロパティ

その週の最初の日付を返します。
シンタックス
'宣言
 
Public ReadOnly Property FirstDate As Date
public DateTime FirstDate {get;}
使用例
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinSchedule
Imports Infragistics.Win.UltraWinSchedule.WeekView

    Private Sub GetVisibleWeekInfo()

        Dim info As String = String.Empty

        '	表示されている各有効な曜日に予定を追加します
        Dim dow As Infragistics.Win.UltraWinSchedule.DayOfWeek

        Dim i As Integer
        For i = 0 To 6

            Dim temp As DateTime = Me.ultraWeekView.VisibleWeek.FirstDate.AddDays(i)

            '	この日に対応する曜日を取得します
            dow = Me.ultraWeekView.CalendarInfo.DaysOfWeek(Me.ultraWeekView.VisibleWeek.FirstDate.DayOfWeek)

            '	DayOfWeek が非表示の場合はスキップします
            If dow.Visible Then

                '	日に予定を追加します
                Me.ultraWeekView.CalendarInfo.Appointments.Add(temp, "Appointment for " + temp.ToString("d"))
            End If

        Next

        '	週の最初の日付および最後の日付を取得します
        info += "VisibleWeek information:" + vbCrLf
        info += "The first date in the VisibleWeek is " + Me.ultraWeekView.VisibleWeek.FirstDate.ToLongDateString() + vbCrLf
        info += "The last date in the VisibleWeek is " + Me.ultraWeekView.VisibleWeek.LastDate.ToLongDateString() + vbCrLf

        '	週にアクティビティがあるかどうかを確認します
        '	アクティビティがある場合、各アクティビティ コレクションのカウントを表示します
        If (Me.ultraWeekView.VisibleWeek.HasActivity) Then

            info += "There is activity for the week of " + Me.ultraWeekView.VisibleWeek.FirstDate.ToShortDateString() + ":" + vbCrLf

            If Me.ultraWeekView.VisibleWeek.Appointments.Count > 0 Then
                info += vbCrLf + Me.ultraWeekView.VisibleWeek.Appointments.Count.ToString() + " Appointment(s)" + vbCrLf
            End If
            If (Me.ultraWeekView.VisibleWeek.Holidays.Count > 0) Then
                info += vbCrLf + Me.ultraWeekView.VisibleWeek.Holidays.Count.ToString() + " Holiday(s)" + vbCrLf
            End If
            If (Me.ultraWeekView.VisibleWeek.Notes.Count > 0) Then
                info += vbCrLf + Me.ultraWeekView.VisibleWeek.Notes.Count.ToString() + " Note(s)" + vbCrLf
            End If

            info += vbCrLf

        End If

        '	週が有効かどうかを確認します
        If Me.ultraWeekView.VisibleWeek.Enabled Then
            info += "The week is enabled." + vbCrLf
        Else
            info += "The week is disabled." + vbCrLf
        End If

        '	その年の週番号を取得します
        info += "This week is week number " + Me.ultraWeekView.VisibleWeek.WeekNumber.ToString() + " in the year " + Me.ultraWeekView.VisibleWeek.Year.YearNumber.ToString() + "." + vbCrLf

        '	情報を表示します
        MessageBox.Show(info, "GetVisibleWeekInfo")

    End Sub
using Infragistics.Win;
using Infragistics.Win.UltraWinSchedule;
using Infragistics.Win.UltraWinSchedule.WeekView;
using System.Diagnostics;

		private void GetVisibleWeekInfo()
		{

			string info = string.Empty;

			//	表示されている各有効な曜日に予定を追加します
			Infragistics.Win.UltraWinSchedule.DayOfWeek dow = null;

			for ( int i = 0; i < 7; i ++ )
			{
				DateTime temp = this.ultraWeekView.VisibleWeek.FirstDate.AddDays( (double)(i) );

				//	この日に対応する曜日を取得します
				dow = this.ultraWeekView.CalendarInfo.DaysOfWeek[ this.ultraWeekView.VisibleWeek.FirstDate.DayOfWeek ];

				//	DayOfWeek が非表示の場合はスキップします
				if ( ! dow.Visible )
					continue;

				//	日にに予定を追加します
				this.ultraWeekView.CalendarInfo.Appointments.Add( temp, "Appointment for " + temp.ToString("d") );
			}

			//	週の最初の日付および最後の日付を取得します
			info += "VisibleWeek information:\n\n";
			info += "The first date in the VisibleWeek is " + this.ultraWeekView.VisibleWeek.FirstDate.ToLongDateString() + "\n";
			info += "The last date in the VisibleWeek is " + this.ultraWeekView.VisibleWeek.LastDate.ToLongDateString() + "\n";

			//	週にアクティビティがあるかどうかを確認します
			//	アクティビティがある場合、各アクティビティ コレクションのカウントを表示します
			if ( this.ultraWeekView.VisibleWeek.HasActivity )
			{
				info += "There is activity for the week of " + this.ultraWeekView.VisibleWeek.FirstDate.ToShortDateString() + ":" + "\n";

				if ( this.ultraWeekView.VisibleWeek.Appointments.Count > 0 )
					info += "\n" + this.ultraWeekView.VisibleWeek.Appointments.Count.ToString() + " Appointment(s)\n";

				if ( this.ultraWeekView.VisibleWeek.Holidays.Count > 0 )
					info += "\n" + this.ultraWeekView.VisibleWeek.Holidays.Count.ToString() + " Holiday(s)\n";

				if ( this.ultraWeekView.VisibleWeek.Notes.Count > 0 )
					info += "\n" + this.ultraWeekView.VisibleWeek.Notes.Count.ToString() + " Note(s)\n";

				info += "\n";
			}

			//	週が有効かどうかを確認します
			if ( this.ultraWeekView.VisibleWeek.Enabled )
				info += "The week is enabled.\n";
			else
				info += "The week is disabled.\n";

			//	その年の週番号を取得します
			info += "This week is week number " + this.ultraWeekView.VisibleWeek.WeekNumber.ToString() + " in the year " + this.ultraWeekView.VisibleWeek.Year.YearNumber.ToString() + ".\n";

			//	情報を表示します
			MessageBox.Show( info, "GetVisibleWeekInfo" );

		}
参照