internal bool Intersects(DateTimeSpan dateRange)
{
if (!HasValidRange || !dateRange.HasValidRange)
{
throw new InvalidOperationException("Incomparable date ranges.");
}
return(End > dateRange.Start && dateRange.End > Start);
}
public CalendarAppointment(string summary, string location, DateTimeSpan dateRange)
{
if (string.IsNullOrWhiteSpace(summary))
{
throw new ArgumentException("A summary is required.");
}
if (string.IsNullOrWhiteSpace(location))
{
throw new ArgumentException("A location is required.");
}
if (!dateRange.HasValidRange)
{
throw new ArgumentException("Appointment end must be after start.");
}
this.Summary = summary;
this.Location = location;
this.DateRange = dateRange;
}
