//a more typical way to create employee objects
private void button3_Click(object sender, EventArgs e)
{
Employee objE1 = new Employee();
objE1.EmployeeId = 1;
objE1.Name = "Tim Thomas";
objE1.DOB = DateTime.Parse("1/1/1980");
objE1.Gender = Gender.Male;
MessageBox.Show(objE1.GetData());
Employee objE2 = new Employee(2, "Jill James", DateTime.Parse("1/2/1990"), Gender.Female);
MessageBox.Show(objE2.GetData());
}
// Creating an array of objects with a parent class variable
private void button4_Click(object sender, EventArgs e)
{
Customer objC1 = new Customer();
objC1.CustomerId = 1;
objC1.Name = "Sue Jones";
objC1.DOB = DateTime.Parse("1/1/1980");
objC1.Gender = Gender.Female;
Employee objE1 = new Employee();
objE1.EmployeeId = 1;
objE1.Name = "Tim Thomas";
objE1.DOB = DateTime.Parse("1/1/1980");
objE1.Gender = Gender.Male;
Person[] arrPersons = { objC1, objE1 };
foreach (Person item in arrPersons)
{
MessageBox.Show(item.GetData());
}
}
static void FullName(Employee name)
{
Console.WriteLine("{0} {1}",name.FirstName,name.LastName);
Debug.Assert(name != null, name.FirstName, name.LastName);
}
public override bool Equals(object obj)
{
Employee employee = obj as Employee;
return(employee != null && ID.Equals(employee.ID));
}
//Inheritance and objects
private void button1_Click(object sender, EventArgs e)
{
try
{
Person objP1;
/* You cannot make a person object when the class is marked abstract. */
//objP1 = new Person();
/* But, can you make a variable of the abstract class that points to a object? */
objP1 = new Employee();
//or
objP1 = new Customer();
//This connects the event to a method
objP1.NameChanged += new EventHandler(objP1_NameChanged);
//Set the properties
objP1.Name = "Bob Smith";
objP1.DOB = Convert.ToDateTime("01/01/1980");
objP1.Gender = Gender.Male;
//Use a method
MessageBox.Show(objP1.GetData());
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
static void Main(string[] args)
{
var Hr = new Employee[]
{
new FullTimeEmployee {FirstName="Mike", LastName="Harrison", Years= 5 },
new ContractEmployee {FirstName="Sally",LastName="Williams", Months = 2},
};
foreach (var name in Hr)
{
FullName(name);
}
Console.ReadLine();
}
