public static string ToString(this FileInfo f, string format, int fractionalDigits)
{
return(FileSizeConverter.GetFileSizeString(f.Length, format, fractionalDigits));
}
public static string ToString(this DirectoryInfo d, string format, int fractionalDigits)
{
double fileSize = GetDirectorySize(d);
return(FileSizeConverter.GetFileSizeString(fileSize, format, fractionalDigits));
}