Object Class Supports all classes in the .NET Framework class hierarchy and provides low-level services to derived classes. : Object « Development « VB.Net

1. VB.Net
2. Development
3. Object

Object Class Supports all classes in the .NET Framework class hierarchy and provides low-level services to derived classes.

 

Class Point
    Public x, y As Integer
    Public Sub New(ByVal x As Integer, ByVal y As Integer) 
        Me.x = x
        Me.y = y
    End Sub
    Public Overrides Function Equals(ByVal obj As Object) As Boolean 
        Dim objType As Type = obj.GetType()
        Dim meType  As Type = Me.GetType()
        If Not objType.Equals(meType) Then
            Return False
        End If 
        Dim other As Point = CType(obj, Point)
        Return Me.x = other.x AndAlso Me.y = other.y
    End Function 
    Public Overrides Function GetHashCode() As Integer 
        Return x XOr y
    End Function 
    Public Overrides Function ToString() As String 
        Return String.Format("({0}, {1})", x, y)
    End Function
    Public Function Copy() As Point 
        Return CType(Me.MemberwiseClone(), Point)
    End Function
End Class  

NotInheritable Public Class App
    Shared Sub Main() 
        Dim p1 As New Point(1, 2)
        Dim p2 As Point = p1.Copy()
        Dim p3 As Point = p1
        Console.WriteLine([Object].ReferenceEquals(p1, p2))
        Console.WriteLine([Object].Equals(p1, p2))
        Console.WriteLine([Object].ReferenceEquals(p1, p3))
        Console.WriteLine("p1's value is: {0}", p1.ToString())
    End Sub
End Class

   
  

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