/// <summary>
/// <para>Specifies a custom format to use.</para>
/// <para>See https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-timespan-format-strings for more details.</para>
/// </summary>
/// <param name="format">Custom format string to use.</param>
public TimeSpanFormatAttribute(string format)
{
if (string.IsNullOrWhiteSpace(format))
{
throw new ArgumentNullException(nameof(format), "Specified format cannot be null or empty.");
}
this.Kind = TimeSpanFormatKind.Custom;
this.Format = format;
}
/// <summary>
/// Specifies a predefined format to use.
/// </summary>
/// <param name="kind">Predefined format kind to use.</param>
public TimeSpanFormatAttribute(TimeSpanFormatKind kind)
{
if (kind < 0 || kind > TimeSpanFormatKind.InvariantLocaleShort)
{
throw new ArgumentOutOfRangeException(nameof(kind), "Specified format kind is not legal or supported.");
}
this.Kind = kind;
this.Format = null;
}