/// <summary>
/// Gets the time strings.
/// </summary>
/// <returns></returns>
static List<string> GetTimeStrings()
{
var list = new List<string>();
var ts = new TimeSpan(0, 0, 0, 0);
while (ts.Days < 1)
{
list.Add(string.Format("{0}:{1}", ts.Hours.ToString().PadLeft(2, '0'), ts.Minutes.ToString().PadRight(2, '0')));
ts = ts.Add(new TimeSpan(0, 0, 30, 0));
}
return list;
}