// and so on
public Property(string address, RealEstateAgent realEstateAgent)
{
if (string.IsNullOrWhiteSpace(address))
{
throw new ArgumentException("Value cannot be null or whitespace.", nameof(address));
}
Address = address;
RealEstateAgent = realEstateAgent ?? throw new ArgumentNullException(nameof(realEstateAgent));
}
public override bool Equals(object another)
{
if (another == null)
{
return(false);
}
if (another.GetType() != GetType())
{
return(false);
}
RealEstateAgent anotherAgent = (RealEstateAgent)another;
return(Id == anotherAgent.Id && Name == anotherAgent.Name);
}
