NumericUpDown and DomainUpDown control in vb.net

A visual basic NumericUpDown control is said to be a pair of a TextBox Control and the Up Down arrows. The NumericUpDown Control generally works as a counter in which a user can input a numeric value. It is also called a Spin box. The arrow in the NumericUpDown Control works for increase or decrease the value. Up arrow is for increase the value and down arrow is for decrease the value. If you hold the mouse on the up arrow it will increase the value till the maximum value in the list and then stop. Its reverse condition is works with the down arrowthe Specific range is also defined for the values. The example for the NumericUpDown Control is the Volume control in any Music Player.

The below example shows the use of NumericUpDown control:-

• Create a new Project 
• Add a NumericUpDown control, a Label and a Button. The form will look like below.
  
  
   
• Add the below code to the form.
  
  Public Class Form1
      Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
          Button1.Click
          Me.Close()
      End Sub
      Private Sub NumericUpDown1_ValueChanged(ByVal sender As System.Object, ByVal e As                System.EventArgs)
      Handles NumericUpDown1.ValueChanged
          Label1.Text = "The current Value of the counter is : " & NumericUpDown1.Value
      End Sub
  End Class
  
  Output:-
  
  
  
  DomainUpDown Control:-
  
  DomainUpDown control is used to allow user to move up or down to a particular value. It shows a textbox and up and down arrow that allows user to move between its values. The DomainUpDown control Shows and sets a text string from a given list of choices. If you want to select a string you can do this by up and down buttonand also by typing the string in the TextBox that matches the string in the list.
  
  The below example shows the use of DomainUpDown control:-
   
• Create a new project. 
• Add TextBox, CheckBox and two Buttons than form will look like below.
  
  
   
• Add the Below code to the form.
  
  Protected WithEvents domainUpDown As DomainUpDown
           Private myCounter As Integer = 1
           Private Sub MySub()
           domainUpDown = New System.Windows.Forms.DomainUpDown()
           Controls.Add(domainUpDown)
           End Sub
           Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
           Button1.Click
           domainUpDown.Items.Add((TextBox1.Text.Trim() & " - " & myCounter))
               myCounter = myCounter + 1
               TextBox1.Text = ""
           End Sub
           Private Sub checkBox1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
           CheckBox1.CheckedChanged
           If domainUpDown.Sorted Then
               domainUpDown.Sorted = False
           Else
               domainUpDown.Sorted = True
           End If
           End Sub
           Private Sub domainUpDown_SelectedItemChanged_(ByVal sender As System.Object, ByVal e As
           System.EventArgs)
           MessageBox.Show(("SelectedIndex: " & domainUpDown.SelectedIndex.ToString() & _
           ControlChars.Cr & "SelectedItem: " & domainUpDown.SelectedItem.ToString()))
           End Sub
           Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
           MyBase.Load
               MySub()
           End Sub
           Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles
               Button2.Click
               Me.Close()
           End Sub
  
  Output:-