' Project ComboBox

' Add items to the combo box at design time and run time.
' Display and remove items.

Public Class Form1
    Inherits System.Windows.Forms.Form

#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
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents cboAnimals As System.Windows.Forms.ComboBox
    Friend WithEvents cmdRemove As System.Windows.Forms.Button
    Friend WithEvents txtIndex As System.Windows.Forms.TextBox
    Friend WithEvents txtValue As System.Windows.Forms.TextBox

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

    '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.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.cmdRemove = New System.Windows.Forms.Button
        Me.txtValue = New System.Windows.Forms.TextBox
        Me.txtIndex = New System.Windows.Forms.TextBox
        Me.cboAnimals = New System.Windows.Forms.ComboBox
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(24, 8)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(192, 16)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "North American Animals"
        '
        'cmdRemove
        '
        Me.cmdRemove.Location = New System.Drawing.Point(24, 168)
        Me.cmdRemove.Name = "cmdRemove"
        Me.cmdRemove.Size = New System.Drawing.Size(184, 32)
        Me.cmdRemove.TabIndex = 2
        Me.cmdRemove.Text = "Remove"
        '
        'txtValue
        '
        Me.txtValue.Location = New System.Drawing.Point(24, 88)
        Me.txtValue.Name = "txtValue"
        Me.txtValue.Size = New System.Drawing.Size(184, 26)
        Me.txtValue.TabIndex = 3
        Me.txtValue.Text = ""
        '
        'txtIndex
        '
        Me.txtIndex.Location = New System.Drawing.Point(24, 128)
        Me.txtIndex.Name = "txtIndex"
        Me.txtIndex.Size = New System.Drawing.Size(184, 26)
        Me.txtIndex.TabIndex = 4
        Me.txtIndex.Text = ""
        '
        'cboAnimals
        '
        Me.cboAnimals.Items.AddRange(New Object() {"Raccoon", "Mouse", "Deer"})
        Me.cboAnimals.Location = New System.Drawing.Point(24, 40)
        Me.cboAnimals.Name = "cboAnimals"
        Me.cboAnimals.Size = New System.Drawing.Size(184, 28)
        Me.cboAnimals.TabIndex = 5
        '
        'Form1
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(8, 19)
        Me.ClientSize = New System.Drawing.Size(240, 222)
        Me.Controls.Add(Me.cboAnimals)
        Me.Controls.Add(Me.txtIndex)
        Me.Controls.Add(Me.txtValue)
        Me.Controls.Add(Me.cmdRemove)
        Me.Controls.Add(Me.Label1)
        Me.Font = New System.Drawing.Font("Microsoft Sans Serif", 12.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Name = "Form1"
        Me.Text = "ComboBox Example"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub Form1_Load(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles MyBase.Load

        cboAnimals.Items.Add("Oppossum")
        cboAnimals.Items.Add("Mouse")
        cboAnimals.Items.Add("Skunk")
    End Sub

    Private Sub cboAnimals_SelectedIndexChanged(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles cboAnimals.SelectedIndexChanged

        txtValue.Text = cboAnimals.SelectedItem
        txtIndex.Text = cboAnimals.SelectedIndex
    End Sub


    Private Sub cmdRemove_Click(ByVal sender As System.Object, _
        ByVal e As System.EventArgs) Handles cmdRemove.Click

        Dim i As Integer
        i = cboAnimals.SelectedIndex
        cboAnimals.Items.RemoveAt(i)
        txtValue.Clear()
        txtIndex.Clear()
        cboAnimals.Text = ""
    End Sub

End Class