VB.Net by API/System.Collections/IEnumerator

IEnumerator.Current

  

Imports System
Imports System.Collections
Public Class MainClass
    
    Shared Sub Main(ByVal args As String())
        Dim m_employees As New Collection
        m_employees.Add(New employee("A", "B", "Author"))
        m_employees.Add(New employee("C", "D", "Band"))
        m_employees.Add(New employee("E", "F", "Artist"))
        " Iterator.
        Dim emp As employee
        Dim employee_enumerator As IEnumerator
        employee_enumerator = m_employees.GetEnumerator()
        Do While (employee_enumerator.MoveNext)
            emp = CType(employee_enumerator.Current, Employee)
            Console.WriteLine(emp.Title & " " & emp.FirstName & " " & emp.LastName)
        Loop

        " For Each.
        For Each emp1 As employee In m_employees
            Console.WriteLine(emp1.Title & " " & emp1.FirstName & " " & emp1.LastName)
        Next emp1
    End Sub
End Class
    Public Class Employee
        Public FirstName As String
        Public LastName As String
        Public Title As String
        Public Sub New(ByVal first_name As String, ByVal last_name As String, ByVal new_title As String)
            FirstName = first_name
            LastName = last_name
            Title = new_title
        End Sub
    End Class

IEnumerator.MoveNext

  

Imports System
Imports System.Collections
Public Class MainClass
    
    Shared Sub Main(ByVal args As String())
        Dim m_employees As New Collection
        m_employees.Add(New employee("A", "B", "Author"))
        m_employees.Add(New employee("C", "D", "Band"))
        m_employees.Add(New employee("E", "F", "Artist"))
        " Iterator.
        Dim emp As employee
        Dim employee_enumerator As IEnumerator
        employee_enumerator = m_employees.GetEnumerator()
        Do While (employee_enumerator.MoveNext)
            emp = CType(employee_enumerator.Current, Employee)
            Console.WriteLine(emp.Title & " " & emp.FirstName & " " & emp.LastName)
        Loop

        " For Each.
        For Each emp1 As employee In m_employees
            Console.WriteLine(emp1.Title & " " & emp1.FirstName & " " & emp1.LastName)
        Next emp1
    End Sub
End Class
    Public Class Employee
        Public FirstName As String
        Public LastName As String
        Public Title As String
        Public Sub New(ByVal first_name As String, ByVal last_name As String, ByVal new_title As String)
            FirstName = first_name
            LastName = last_name
            Title = new_title
        End Sub
    End Class