![](dotnetdiagramimages/C1_Win_C1Input_4_5_2_C1_Win_C1Input_DropDownCalculator.png)
'Declaration
Public Class DropDownCalculator Inherits DropDownForm
public class DropDownCalculator : DropDownForm
System.Object
System.MarshalByRefObject
System.ComponentModel.Component
System.Windows.Forms.Control
System.Windows.Forms.ScrollableControl
System.Windows.Forms.ContainerControl
System.Windows.Forms.Form
C1.Win.C1Input.DropDownForm
C1.Win.C1Input.DropDownCalculator