![](dotnetdiagramimages/C1_Win_Input_6_C1_Win_Input_Base_C1DropDownControlBase.png)
'Declaration
Public MustInherit Class C1DropDownControlBase Inherits C1InputHost Implements C1.Framework.IDropDownOwner, C1.Framework.IView, IDropDownControlBase
public abstract class C1DropDownControlBase : C1InputHost, C1.Framework.IDropDownOwner, C1.Framework.IView, IDropDownControlBase
System.Object
System.MarshalByRefObject
System.ComponentModel.Component
System.Windows.Forms.Control
C1.Framework.XViewLight
C1.Win.Input.Base.C1InputControl
C1.Win.Input.Base.C1InputHost
C1.Win.Input.Base.C1DropDownControlBase
C1.Win.Input.Base.C1DropDownEditorBase