public FamilyTree()
{
Person = new Person
{
FirstName = string.Empty,
LastName = string.Empty,
Childern = new List <Person>(),
Sex = Gender.Male,
Income = double.MinValue,
DateOfBirth = DateTime.Now.AddYears(-30),
Mother = new Person(),
Father = new Person(),
DateOfDeath = null
};
_stringBuilder = new StringBuilder();
_dateOfCreation = DateTime.Now;
_instanceFamilyTree = this;
Persons = new List <Person>();
}
public static FamilyTree Create()
{
return(_instanceFamilyTree ?? (_instanceFamilyTree = new FamilyTree()));
}
