| public static IsAnOlderYear ( System.DateTime relative, System.DateTime given ) : bool | ||
| relative | System.DateTime | Relative date and time. |
| given | System.DateTime | Given date and time. |
| return | bool | |
/// <summary>
/// Converts a
/// <see cref="T:System.DateTime"/>
/// object into a string appropriately formatted for hourly feeds.
/// This format can be found in messaging.
/// </summary>
/// <param name="value">The given date and time.</param>
/// <param name="targetType">
/// The type corresponding to the binding property, which must be of
/// <see cref="T:System.String"/>.
/// </param>
/// <param name="parameter">(Not used).</param>
/// <param name="culture">(Not used).</param>
/// <returns>The given date and time as a string.</returns>
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
// Target value must be a System.DateTime object.
if (!(value is DateTime))
{
throw new ArgumentException(Properties.Resources.InvalidDateTimeArgument);
}
StringBuilder result = new StringBuilder(string.Empty);
DateTime given = (DateTime)value;
DateTime current = DateTime.Now;
if (DateTimeFormatHelper.IsFutureDateTime(current, given))
{
// Future dates and times are not supported.
throw new NotSupportedException(Properties.Resources.NonSupportedDateTime);
}
if (DateTimeFormatHelper.IsAnOlderYear(current, given))
{
result.AppendFormat(CultureInfo.CurrentCulture, "{0}, {1}",
DateTimeFormatHelper.GetShortDate(given),
DateTimeFormatHelper.GetSuperShortTime(given));
}
else if (DateTimeFormatHelper.IsAnOlderWeek(current, given))
{
result.AppendFormat(CultureInfo.CurrentCulture, "{0}, {1}",
DateTimeFormatHelper.GetMonthAndDay(given),
DateTimeFormatHelper.GetSuperShortTime(given));
}
else if (DateTimeFormatHelper.IsPastDayOfWeekWithWindow(current, given))
{
result.AppendFormat(CultureInfo.CurrentCulture, "{0}, {1}",
DateTimeFormatHelper.GetAbbreviatedDay(given),
DateTimeFormatHelper.GetSuperShortTime(given));
}
else
{
// Given day time is today.
result.Append(DateTimeFormatHelper.GetSuperShortTime(given));
}
if (DateTimeFormatHelper.IsCurrentUICultureFrench())
{
result.Replace(",", string.Empty);
}
return(result.ToString());
}