vb.net dynamic control creation

Try this code

If you need the name property why are you inherit the control.

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Imports System.IO

Public Class Form2
    Inherits System.Windows.Forms.Form

    Friend WithEvents Button1 As System.Windows.Forms.Button

    Dim TextBoxes(10) As MyTextBox  'Dont Create Instances
    Dim i As Integer = 0

#Region " Windows Form Designer generated code "

    Public Sub New()

        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        MyBase.Dispose(disposing)
    End Sub

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(200, 320)
        Me.Button1.Size = New System.Drawing.Size(80, 24)
        Me.Button1.Text = "Button1"
        '
        'Form2
        '
        Me.ClientSize = New System.Drawing.Size(282, 351)
        Me.Controls.Add(Me.Button1)
        Me.Text = "Form1"

    End Sub
#End Region


    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        TextBoxes(i) = New MyTextBox
        TextBoxes(i).Location = New Point(10, 10 + i * 20)
        TextBoxes(i).Size = New Size(100, 20)
        TextBoxes(i).Name = "Text" & i
        Me.Controls.Add(TextBoxes(i))
        AddHandler TextBoxes(i).TextChanged, AddressOf TextBoxex_TextChanged
        i += 1
    End Sub


    Private Sub TextBoxex_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs)

        Dim TempVar As MyTextBox
        TempVar = DirectCast(sender, MyTextBox)
        MsgBox(TempVar.Name)
    End Sub

End Class

Public Class MyTextBox
    Inherits TextBox
    Private _Name As String

    Public Sub New()
        MyBase.New()
    End Sub

    Public Property Name() As String
        Get
            Return _Name
        End Get
        Set(ByVal Value As String)
            _Name = Value
        End Set
    End Property

End Class
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