public int CompareTo(PropertiesContact other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Firstname == other.Firstname)
{
if (Lastname == other.Lastname)
{
return(0);
}
else
{
return(Lastname.CompareTo(other.Lastname));;
}
}
else
{
return(Firstname.CompareTo(other.Firstname));
}
//return this.ToString().CompareTo(other.ToString());
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
else if (Lastname.CompareTo(other.Lastname) == 0)
{
return(Firstname.CompareTo(other.Firstname));
}
else
{
return(Lastname.CompareTo(other.Lastname));
}
// long record of this:
//else if (lastname.CompareTo(other.lastname) == 0)
//{
// return firstname.CompareTo(other.firstname);
//}
//else
//{
// return lastname.CompareTo(other.lastname);
//}
}
public int CompareTo(ContactData other)
{
if (Lastname.CompareTo(other.Lastname) == 0)
{
return(Firstname.CompareTo(other.Firstname));
}
return(Lastname.CompareTo(other.Lastname));
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
return(Firstname.CompareTo(other.Firstname));
}
public int CompareTo(object obj)
{
int lastnames = Lastname.CompareTo(((Person)obj).Lastname);
if (lastnames == 0)
{
return(Firstname.CompareTo(((Person)obj).Firstname));
}
return(lastnames);
}
public int CompareTo(AddressData other)
{
if (Lastname == other.Lastname)
{
return(Firstname.CompareTo(other.Firstname));
}
else
{
return(Lastname.CompareTo(other.Lastname));
}
}
public int CompareTo(object obj)
{
Person CompareTo = (Person)obj;
int lastnames = Lastname.CompareTo(CompareTo.Lastname);
if (lastnames == 0)
{
return(Firstname.CompareTo(CompareTo.Firstname));
}
return(lastnames);
}
public int CompareTo(ContactData other) //GroupData other - объект с которым сравниваем текущий
{ //(вернёт 1, если текущий объект > other) (вернёт 0, если они равны) (вернёт -1, если текущий < other)
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Firstname.CompareTo(other.Firstname) == 0)
{
return(Lastname.CompareTo(other.Lastname));
}
return(Firstname.CompareTo(other.Firstname));
}
//Сравнивает текущий экземпляр с другим объектом того же типа и возвращает целое число,
//которое показывает, расположен ли текущий экземпляр перед, после или на той же позиции в порядке сортировки, что и другой объект.
public int CompareTo(ContactData other)
{
//условие сравнения
if (object.ReferenceEquals(other, null))
{
return(1);
}
if (Lastname.CompareTo(other.Lastname) == 0)
{
return(Firstname.CompareTo(other.Firstname));
}
return(Lastname.CompareTo(other.Lastname));
}
public int CompareTo(ContactData other)
{
if (other is null)
{
return(1);
}
if (Lastname == other.Lastname)
{
return(Firstname.CompareTo(other.Firstname));
}
return(Lastname.CompareTo(other.Lastname));
}
public int CompareTo(EntryData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Firstname.CompareTo(other.Firstname) == 0)
{
return(Lastname.CompareTo(other.Lastname));
}
return(Firstname.CompareTo(other.Firstname));
}
public int CompareTo(ContactData other)
{/* сравнить сначала фамилии и если они равны,
* то сравнить имена и возвратить результат
* Иначе возвратить результат сравнения фамилий.*/
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Lastname.CompareTo(other.Lastname) == 0)
{
return(Firstname.CompareTo(other.Firstname));
}
return(Lastname.CompareTo(other.Lastname));
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
int intLastName = Lastname.CompareTo(other.Lastname);
if (intLastName == 0)
{
return(Firstname.CompareTo(other.Firstname));
}
return(intLastName);
}
public int CompareTo(AddressData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Firstname.CompareTo(other.Firstname) == 0 && Lastname.CompareTo(other.Lastname) == 0)
{
return(0);
}
else
{
return(1);
}
}
public int CompareTo(ContactData other)
{
if (object.ReferenceEquals(other, null))
{
return(1);
}
int FirstnameCompare = Firstname.CompareTo(other.Firstname);
int LastnameCompare = Lastname.CompareTo(other.Lastname);
if (FirstnameCompare == 0)
{
return(LastnameCompare);
}
return(FirstnameCompare);
}
public int CompareTo(PersonViewModel other)
{
var lastcomp = Lastname.CompareTo(other.Lastname);
if (lastcomp != 0)
{
return(lastcomp);
}
if (Firstname == null)
{
return(-1);
}
return(Firstname.CompareTo(other.Firstname));
}
public int CompareTo(ContactData otherContact)
{
if (Object.ReferenceEquals(otherContact, null))
{
return(1);
}
if (Lastname.CompareTo(otherContact.Lastname) == 0)
{
if (Firstname.CompareTo(otherContact.Firstname) == 0)
{
return(Firstname.CompareTo(otherContact.Firstname));
}
}
return(Lastname.CompareTo(otherContact.Lastname));
}
public int CompareTo(ContactData other)
{
int result;
if (Object.ReferenceEquals(other, null))
{
result = 1;
}
result = Lastname.CompareTo(other.Lastname);
if (result == 0)
{
result = Firstname.CompareTo(other.Firstname);
}
return(result);
}
public int CompareTo(ContactData other)
{
if (ReferenceEquals(other, null))
{
return(1);
}
int result = Lastname.CompareTo(other.Lastname);
if (result != 0)
{
return(result);
}
return(Firstname.CompareTo(other.Firstname));
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(0);
}
int srav = Lastname.CompareTo(other.Lastname);
if (srav != 0)
{
return(srav);
}
else
{
return(Firstname.CompareTo(other.Firstname));
}
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
int compareResulL = Lastname.CompareTo(other.Lastname);
if (compareResulL == 0)
{
return(Firstname.CompareTo(other.Firstname));
}
else
{
return(compareResulL);
}
}
public int CompareTo(ContactData other)
{
#pragma warning disable IDE0041 // Use 'is null' check
if (Object.ReferenceEquals(other, null))
#pragma warning restore IDE0041 // Use 'is null' check
{
return(1);
}
if (Object.ReferenceEquals(other.Lastname, Lastname))
{
return(Firstname.CompareTo(other.Firstname));
}
else
{
return(Lastname.CompareTo(other.Lastname));
}
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
else
{
int compareLN = Lastname.CompareTo(other.Lastname);
if (0 == compareLN)
{
int compareFN = Firstname.CompareTo(other.Firstname);
return(compareFN);
}
return(compareLN);
}
}
public int CompareTo(ContactData other)
{
if (object.ReferenceEquals(other, null))
{
return(1);
}
if (Lastname.CompareTo(other.Lastname) == 0)
{
if (Firstname.CompareTo(other.Firstname) == 0)
{
//System.Diagnostics.Debug.WriteLine("LastName - OK; Firstname - OK");
return(Lastname.CompareTo(other.Lastname) + Firstname.CompareTo(other.Firstname));
}
}
//System.Diagnostics.Debug.WriteLine("LastName - OK; Firstname - IS NOT OK");
return(Lastname.CompareTo(other.Lastname));
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Lastname.CompareTo(other.Lastname) != 0)
{
if (Lastname.CompareTo(other.Lastname) > 0)
{
return(1);
}
else
{
return(-1);
}
}
return(Firstname.CompareTo(other.Firstname));
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
int compareFirstname = Firstname.CompareTo(other.Firstname);
if (compareFirstname == 0 || string.IsNullOrWhiteSpace(Firstname))
{
if (string.IsNullOrWhiteSpace(Lastname))
{
return(0);
}
return(Lastname.CompareTo(other.Lastname));
}
return(compareFirstname);
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
int fname = Firstname.CompareTo(other.Firstname);
int lname = Lastname.CompareTo(other.Lastname);
int result = 0;
if (fname == 1 && lname == 1)
{
result = 1;
}
return(result);
}
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Firstname.CompareTo(other.Firstname) == 0)
{
MessageBox.Show("Compare Lastname for Contacts", "CompareTo");
return(Lastname.CompareTo(other.Lastname));
}
else
{
// return Firstname.CompareTo(other.Firstname);
MessageBox.Show("Compare Lastname for Contacts", "CompareTo");
}
return(Lastname.CompareTo(other.Lastname));
}
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
if (obj is Customer other)
{
int result = Firstname.CompareTo(other.Firstname);
if (result != 0)
{
return(result);
}
return(Lastname.CompareTo(other.Lastname));
}
else
{
throw new ArgumentException("Object is not a Customer");
}
}
//сравнение
public int CompareTo(ContactData other)
{
if (Object.ReferenceEquals(other, null))
{
return(1);
}
if (Object.ReferenceEquals(this, null))
{
return(-1);
}
if (Lastname.CompareTo(other.Lastname) == 0 && Firstname.CompareTo(other.Firstname) == 0)
{
return(0);
}
else if (Lastname.CompareTo(other.Lastname) == 1 && Firstname.CompareTo(other.Firstname) == 0 || Firstname.CompareTo(other.Firstname) == 1 || Firstname.CompareTo(other.Firstname) == -1)
{
return(1);
}
else if (Lastname.CompareTo(other.Lastname) == -1 && Firstname.CompareTo(other.Firstname) == 0 || Firstname.CompareTo(other.Firstname) == 1 || Firstname.CompareTo(other.Firstname) == -1)
{
return(-1);
}
return(-1);
}