Visual Basic

Call Shell("shutdown -l", AppWinStyle.Hide)

Call Shell("shutdown -s", AppWinStyle.Hide)

Call Shell("shutdown -r", AppWinStyle.Hide)

Public Interface IMyBaseClass
    Property Name() As String
End Interface

Public MustInherit Class MyBaseClass
    Implements IMyBaseClass

    Private _name As String
    Public Property Name() As String Implements IMyBaseClass.Name
        Get
            Return _name
        End Get
        Set(ByVal value As String)
            _name = value
        End Set
    End Property
End Class

Public Interface IMyConcreteClass
    Inherits IMyBaseClass
    Property Description() As String
End Interface

Public Class MyConcreteClass
    Inherits MyBaseClass
    Implements IMyConcreteClass

    Private _description As String
    Public Property Description() As String Implements IMyConcreteClass.Description
        Get
            Return _description
        End Get
        Set(ByVal value As String)
            _description = value
        End Set
    End Property

End Class

Public Sub LoadTheGride()
    'load some data ont mylist
    Dim classOne As New MyConcreteClass
    Dim classTwo As New MyConcreteClass
    classOne.Name = "class one"
    classOne.Description = "the class one"

    classTwo.Name = "class two"
    classTwo.Description = "the class two"

    Dim myList As List(Of IMyConcreteClass) = New List(Of IMyConcreteClass)
    myList.Add(classOne)
    myList.Add(classTwo)

    'add respective columns
    Dim someGrid As New DataGridView 'actually the grid is in my form but this is just an example
    Dim column1 As New DataGridViewTextBoxColumn()
    Dim column2 As New DataGridViewTextBoxColumn()

    column1.DataPropertyName = "Name"
    column1.Name = "The name"

    column2.DataPropertyName = "Description"
    column2.Name = "The description"

    someGrid.Columns.Add(column1)
    someGrid.Columns.Add(column2)

    'bind
    Dim bs As New BindingSource()
    someGrid.AutoGenerateColumns = False
    someGrid.DataSource = bs
    bs.DataSource = myList
End Sub