Public Class Form1
    Inherits System.Windows.Forms.Form
    Dim Coll As New MyOwnClassCollection()

#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)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    '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.
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Button3 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button()
        Me.Button2 = New System.Windows.Forms.Button()
        Me.TextBox1 = New System.Windows.Forms.TextBox()
        Me.TextBox2 = New System.Windows.Forms.TextBox()
        Me.Label1 = New System.Windows.Forms.Label()
        Me.Label2 = New System.Windows.Forms.Label()
        Me.Button3 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(240, 136)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "إضافة عنصر"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(112, 136)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 1
        Me.Button2.Text = "حذف عنصر"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(224, 64)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.RightToLeft = System.Windows.Forms.RightToLeft.Yes
        Me.TextBox1.Size = New System.Drawing.Size(168, 20)
        Me.TextBox1.TabIndex = 2
        Me.TextBox1.Text = ""
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(40, 64)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.RightToLeft = System.Windows.Forms.RightToLeft.Yes
        Me.TextBox2.Size = New System.Drawing.Size(160, 20)
        Me.TextBox2.TabIndex = 3
        Me.TextBox2.Text = ""
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(224, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.RightToLeft = System.Windows.Forms.RightToLeft.Yes
        Me.Label1.TabIndex = 4
        Me.Label1.Text = "اسم العنصر"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(88, 24)
        Me.Label2.Name = "Label2"
        Me.Label2.RightToLeft = System.Windows.Forms.RightToLeft.Yes
        Me.Label2.TabIndex = 5
        Me.Label2.Text = "رقم العنصر"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(160, 184)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(104, 23)
        Me.Button3.TabIndex = 6
        Me.Button3.Text = "عرض جميع العناصر"
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(424, 226)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Button3, Me.Label2, Me.Label1, Me.TextBox2, Me.TextBox1, Me.Button2, Me.Button1})
        Me.Name = "Form1"
        Me.Text = "l"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Try
            Coll.Remove(CInt(TextBox2.Text))
            TextBox1.Text = ""
            TextBox2.Text = ""
        Catch Exc As Exception
            MsgBox(Exc.Message)
        End Try
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If TextBox1.Text = "" Then
            MessageBox.Show("اكتب اسم الخليّة أولا")
        Else
            Dim aWidget As New MyOwnClass()
            aWidget.Name = TextBox1.Text
            Coll.Add(aWidget)
            TextBox2.Text = (Coll.Count - 1).ToString()
        End If
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Dim counter As Integer
        For counter = 0 To Coll.Count - 1
            MessageBox.Show(Coll.Item(counter).Name)
        Next

    End Sub
End Class