1 日の設定

<ig:XamScheduleDataManager>
  <ig:XamScheduleDataManager.Settings>
    <ig:ScheduleSettings>
      <ig:ScheduleSettings.DaysOfWeek>
        <ig:ScheduleDaysOfWeek>
          <ig:ScheduleDaysOfWeek.Friday>
            <ig:ScheduleDayOfWeek>
              <ig:ScheduleDayOfWeek.DaySettings>
                <ig:DaySettings IsWorkday="True">
                  <ig:DaySettings.WorkingHours>
                    <ig:WorkingHoursCollection>
                      <ig:TimeRange Start="08:00" End="12:00" />
                      <ig:TimeRange Start="16:00" End="20:00" />
                    </ig:WorkingHoursCollection>
                  </ig:DaySettings.WorkingHours>
                </ig:DaySettings>
              </ig:ScheduleDayOfWeek.DaySettings>
            </ig:ScheduleDayOfWeek>
          </ig:ScheduleDaysOfWeek.Friday>
        </ig:ScheduleDaysOfWeek>
      </ig:ScheduleSettings.DaysOfWeek>
    </ig:ScheduleSettings>
  </ig:XamScheduleDataManager.Settings>
</ig:XamScheduleDataManager>

Dim range1 As New TimeRange() With { _
    Key .Start = New TimeSpan(8, 0, 0), _
    Key .[End] = New TimeSpan(12, 0, 0) _
}
Dim range2 As New TimeRange() With { _
    Key .Start = New TimeSpan(13, 0, 0), _
    Key .[End] = New TimeSpan(17, 0, 0) _
}
If dataManager.Settings.DaysOfWeek Is Nothing Then
    dataManager.Settings.DaysOfWeek = _
        New ScheduleDaysOfWeek()
End If
If dataManager.Settings.DaysOfWeek.Friday Is Nothing Then
    dataManager.Settings.DaysOfWeek.Friday = _
        New ScheduleDayOfWeek()
End If
If dataManager.Settings.DaysOfWeek.Friday.DaySettings Is Nothing Then
    dataManager.Settings.DaysOfWeek.Friday.DaySettings = _
        New DaySettings()
End If
dataManager.Settings.DaysOfWeek.Friday.DaySettings. _
    IsWorkday = True
dataManager.Settings.DaysOfWeek.Friday.DaySettings. _
    WorkingHours.Add(range1)
dataManager.Settings.DaysOfWeek.Friday.DaySettings. _
    WorkingHours.Add(range2)

TimeRange range1 = new TimeRange()
{
    Start = new TimeSpan(8, 0, 0),
    End = new TimeSpan(12, 0, 0)
};
TimeRange range2 = new TimeRange()
{
    Start = new TimeSpan(13, 0, 0),
    End = new TimeSpan(17, 0, 0)
};
if (dataManager.Settings.DaysOfWeek == null)
    dataManager.Settings.DaysOfWeek = new ScheduleDaysOfWeek();
if (dataManager.Settings.DaysOfWeek.Friday == null)
    dataManager.Settings.DaysOfWeek.Friday =
        new ScheduleDayOfWeek();
if (dataManager.Settings.DaysOfWeek.Friday.DaySettings == null)
    dataManager.Settings.DaysOfWeek.Friday.DaySettings =
        new DaySettings();
dataManager.Settings.DaysOfWeek.Friday.DaySettings.
    IsWorkday = true;
dataManager.Settings.DaysOfWeek.Friday.DaySettings.
    WorkingHours.Add(range1);
dataManager.Settings.DaysOfWeek.Friday.DaySettings.
    WorkingHours.Add(range2);