private Period MoveMonth(int amount)
{
var newMonth = Current.Month + amount;
var newYear = Current.Year;
if (!_months.IsInRange(newMonth))
{
if (amount < 0)
{
newMonth = _months.Maximum;
newYear -= 1;
}
else
{
newMonth = _months.Minimum;
newYear += 1;
}
}
return(new Period(newMonth, newYear));
}
/// <summary>
/// Determines whether this instance can move.
/// </summary>
/// <returns>
/// <c>true</c> if this instance can move; otherwise, <c>false</c>.
/// </returns>
protected override bool CanMove()
{
return(filter.IsInRange(CurrentPage + 1));
}
