/* ----------------------------------------------------------------- */
///
/// ToString
///
/// <summary>
/// Gets a description of PDF version.
/// </summary>
///
/* ----------------------------------------------------------------- */
public override string ToString()
{
var sb = new StringBuilder("PDF");
if (Subset.HasValue())
{
sb.Append($"/{Subset}");
}
sb.Append(" ");
sb.Append($"{Major}.{Minor}");
if (ExtensionLevel > 0)
{
sb.Append($" {nameof(ExtensionLevel)} {ExtensionLevel}");
}
return(sb.ToString());
}
