VB.Net/Class/ToString
Override Object.ToString
<source lang="vbnet"> Imports System Public Class MainClass
Shared Sub Main() Dim i As Integer = 5 Console.WriteLine("The value of i is: {0}", i.ToString( )) Dim milo As New Dog(62) Console.WriteLine("My dog Milo weighs {0} pounds", milo.ToString( )) End Sub
End Class
Public Class Dog Private weight As Integer Public Sub New(ByVal weight As Integer) Me.weight = weight End Sub "New Public Overrides Function ToString( ) As String Return weight.ToString( ) End Function "ToString End Class "Dog </source>
Override ToString function
<source lang="vbnet"> Imports System Public Class MainClass
Shared Sub Main(ByVal args As String()) Dim point As Point point = New Point(72, 115) " instantiate Point object " display point coordinates via X and Y properties Console.WriteLine( "X coordinate is " & point.X & _ vbCrLf & "Y coordinate is " & point.Y ) point.X = 10 " set x-coordinate via X property point.Y = 10 " set y-coordinate via Y property " display new point value Console.WriteLine("The new location of point is " & point.ToString() ) End Sub
End Class " Point class represents an x-y coordinate pair. Public Class Point
" implicitly Inherits Object Private mX, mY As Integer Public Sub New() " implicit call to Object constructor occurs here X = 0 Y = 0 End Sub " New " constructor Public Sub New(ByVal xValue As Integer,ByVal yValue As Integer) " implicit call to Object constructor occurs here X = xValue Y = yValue End Sub " New " property X Public Property X() As Integer Get Return mX End Get Set(ByVal xValue As Integer) mX = xValue " no need for validation End Set End Property " X " property Y Public Property Y() As Integer Get Return mY End Get Set(ByVal yValue As Integer) mY = yValue " no need for validation End Set End Property " Y " return String representation of Point Public Overrides Function ToString() As String Return "[" & mX & ", " & mY & "]" End Function " ToString
End Class
</source>
Override ToString Method to provide meaningful information
<source lang="vbnet"> Imports System Imports System.IO
Public Class MainClass
Shared Sub Main() Dim e As New Employee("Joe", 10000) Console.WriteLine(e.TheName & " salary is " & e.Salary) Console.WriteLine(e) End Sub Public Class Employee Private m_Name As String Private m_Salary As Decimal Public Sub New(ByVal sName As String, ByVal curSalary As Decimal) If sName = String.Empty Then Console.WriteLine("no names") Else m_Name = sName End If End Sub Public Property TheName() As String Get Return m_Name End Get Set(ByVal Value As String) m_Name = Value End Set End Property Public ReadOnly Property Salary() As Decimal Get Return m_Salary End Get End Property Public Overrides Function ToString() As String Return (m_Name & " " & Me.GetType.ToString) End Function End Class
End Class
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