public override string ToString()
{
string output = "";
if (IsPriority)
{
output += "[PRIORITY]";
}
output += "\n" + Content + "\n(Added on: " + AddDate.ToLongDateString();
if (!DateTime.Equals(DateTime.MaxValue.Date, DueDate.Date))
{
output += "; Due date: " + DueDate.ToLongDateString();
}
output += ")";
return(output);
}