Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As _
  System.EventArgs) Handles MyBase.Load
        DateTimePicker1.ShowUpDown = True
        DateTimePicker1.Format = DateTimePickerFormat.Custom
        DateTimePicker1.CustomFormat = "mm:ss"
        DateTimePicker1.Text = "00:20:15"
End Sub