/// <summary>
/// Parse a metadata-formatted date/time string into a DateTimeOffset. Return false on failure
/// </summary>
public static bool TryParseMetadataDateTaken(string dateTimeAsString, TimeZoneInfo imageSetTimeZone, out DateTimeOffset dateTimeOffset)
{
if (DateTime.TryParseExact(dateTimeAsString, Constant.Time.DateTimeMetadataFormats, CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime dateTime) == false)
{
dateTimeOffset = DateTimeOffset.MinValue;
return(false);
}
dateTimeOffset = DateTimeHandler.CreateDateTimeOffset(dateTime, imageSetTimeZone);
return(true);
}
private static bool TryParseDateTaken(string dateTimeAsString, TimeZoneInfo imageSetTimeZone, out DateTimeOffset dateTimeOffset)
{
// use current culture as BitmapMetadata.DateTaken is not invariant
if (DateTime.TryParse(dateTimeAsString, CultureInfo.CurrentCulture, DateTimeStyles.None, out DateTime dateTime) == false)
{
dateTimeOffset = DateTimeOffset.MinValue;
return(false);
}
dateTimeOffset = DateTimeHandler.CreateDateTimeOffset(dateTime, imageSetTimeZone);
return(true);
}
/// <summary>
/// Parse a metadata-formatted date/time string exactly into a DateTimeOffset.
/// Note that this only accepts 'standard' date/time forms as described in Constant.Time.DateTimeMetadataFormat
/// Return false on failure
/// </summary>
public static bool TryParseMetadataDateTaken(string dateTimeAsString, TimeZoneInfo imageSetTimeZone, out DateTimeOffset dateTimeOffset)
{
if (false == DateTime.TryParseExact(dateTimeAsString, Constant.Time.DateTimeMetadataFormats, CultureInfo.InvariantCulture, DateTimeStyles.None, out DateTime dateTime))
{
// Commented out section skips the general form, which can accept weird incomplete values that are not really useful e.g. 3.5
//if (false == DateTime.TryParse(dateTimeAsString, out dateTime))
//{
dateTimeOffset = DateTimeOffset.MinValue;
return(false);
//}
//return false;
}
dateTimeOffset = DateTimeHandler.CreateDateTimeOffset(dateTime, imageSetTimeZone);
return(true);
}