Imports Infragistics.Win.UltraWinSchedule ... Private Sub Change_the_Increments_of_Spin_Button_Elements_Load(ByVal sender As Object, _ ByVal e As System.EventArgs) Handles MyBase.Load ' Change the value in week increments Me.UltraCalendarCombo1.SpinButtonIncrement = SpinIncrementUnit.Weeks ' Change the value so it increments 4 weeks every click Me.UltraCalendarCombo1.SpinButtonIncrementValue = 4 End Sub